JavaScript is one of the most popular programming languages in the world. If you are looking for a website to be created with sophisticated interactivity or in search of an impressive mobile app, using JavaScript is the way to go. With the help of our expert Javascript Developers, you can bring your idea to life.

A Javascript developer on Freelancer.com can create dynamic web applications with extended features and improved user experiences. They can also design advanced gaming applications, develop cloud applications, and create powerful websites that work with less coding and low complexity.

Here's some projects that our expert Javascript Developers made real:

  • Developed interactive websites & apps with detailed user accounts experience
  • Created powerful applications that streamline complex data into actionable insights
  • Built custom Windows and Mac software designed to fit client specifications
  • Developed mobile apps that enables customers to access data from their phones
  • Connected databases to web interfaces with easy input/output functionality
  • Optimized existing code for faster loading pages and smoother user workflows

Javascript Developers on Freelancer.com know how to turn ideas into reality. They are experienced professionals dedicated to excellence and creating top-notch scripts that are easy to use, reliable and fast. If you have an idea but don’t know how to turn it into technical reality, Freelancer.com is the place to post your project. Hire our expert Javascript developers today!

Od 652,144 recenzí, klienti hodnotí našeho pracovníka Javascript Developers 4.9 z 5 hvězd.
Zaměstnat Javascript Developers

JavaScript is one of the most popular programming languages in the world. If you are looking for a website to be created with sophisticated interactivity or in search of an impressive mobile app, using JavaScript is the way to go. With the help of our expert Javascript Developers, you can bring your idea to life.

A Javascript developer on Freelancer.com can create dynamic web applications with extended features and improved user experiences. They can also design advanced gaming applications, develop cloud applications, and create powerful websites that work with less coding and low complexity.

Here's some projects that our expert Javascript Developers made real:

  • Developed interactive websites & apps with detailed user accounts experience
  • Created powerful applications that streamline complex data into actionable insights
  • Built custom Windows and Mac software designed to fit client specifications
  • Developed mobile apps that enables customers to access data from their phones
  • Connected databases to web interfaces with easy input/output functionality
  • Optimized existing code for faster loading pages and smoother user workflows

Javascript Developers on Freelancer.com know how to turn ideas into reality. They are experienced professionals dedicated to excellence and creating top-notch scripts that are easy to use, reliable and fast. If you have an idea but don’t know how to turn it into technical reality, Freelancer.com is the place to post your project. Hire our expert Javascript developers today!

Od 652,144 recenzí, klienti hodnotí našeho pracovníka Javascript Developers 4.9 z 5 hvězd.
Zaměstnat Javascript Developers

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    I have a complete concept and story for a small-scope horror experience on Roblox and now need an experienced creator to turn the script into a fully playable game. The biggest piece still missing is the Luau code that drives core gameplay, so your main focus will be writing clean, efficient scripts for player movement and controls. Here’s what I’m aiming for: • Smooth WASD / mobile joystick movement with a responsive feel. • Unique abilities such as a double jump that works consistently across devices. • Special animations tied to basic actions (idle, run, jump, double-jump land). • An in-game menu that lets players remap or toggle control schemes. Alongside those features, I’ll also rely on you to wire up DataStores for saving progress, set u...

    €28 Average bid
    €28 Průměr. nabídka
    25 nabídky

    I need a seasoned full-stack engineer—with a strong backend focus and an eye for AI integration—to jump in right away. The core services will be written in Python, yet parts of the stack already run on Node.js, so you’ll need to be comfortable switching between the two. Scope You’ll architect and build a clean, testable backend that exposes REST or GraphQL endpoints, wires in an AI component for inference or retrieval, and plays nicely with the frontend my UI developer is finishing. Django, Flask, or even FastAPI are all on the table; pick what you feel delivers the quickest, most maintainable result. On the Node.js side, an existing Express micro-service must stay compatible. Timeline The project needs momentum immediately. I’m aiming for a deployable f...

    €35 / hr Average bid
    €35 / hr Průměr. nabídka
    165 nabídky

    I need a cross-platform application—web and mobile—that lets a user pull live flight data from the Skyscanner API, pick the segments they want, and instantly turn those selections into a branded “For Planning Purposes Only” itinerary in PDF format. Scope of work The core workflow is straightforward: a passenger name is entered, live Skyscanner schedules are displayed, the user chooses outbound and return legs, and a clean, clearly labeled itinerary is produced. The PDF must list airline, flight number, route, dates, times, booking class where available, plus a conspicuous disclaimer confirming it is not a boarding pass or ticket. No ticket-like barcodes or IATA boarding layouts are to be shown. Key technical notes • Front-end: any modern framework is welcome ...

    €421 Average bid
    €421 Průměr. nabídka
    173 nabídky

    I am starting from a beginner level and need to master no-code development in FlutterFlow, tie it seamlessly into Firebase, and round everything off with reliable UPI payment integration. Because my company’s project details are confidential, every explanation must be carried out with dummy data or in a generic sample app; I will then replicate the same steps inside our private repository. Live, one-on-one sessions over a screen-sharing platform are essential. I learn best by working through real examples while asking questions in the moment, so each meeting should be highly interactive and task-driven. We will begin with Flutter UI design fundamentals inside FlutterFlow, then progress through backend setup, Firebase authentication, Firestore/Realtime Database, cloud functions, and ...

    €70 Average bid
    €70 Průměr. nabídka
    12 nabídky

    I am providing a complete front-end project written in pure HTML, CSS and JavaScript. The app already works as intended, but most of the code was generated with ChatGPT and it now needs a careful human touch. What I need from you • Read through every file, refactor where necessary and replace AI-styled naming with clear, conventional names. • Keep every feature, interaction and visual detail exactly as it is; the behaviour in the browser must remain unchanged. • Remove redundant snippets, organise the structure logically, and add concise comments where they improve readability. • Run the project after each change to be sure there are no console warnings or errors in any modern browser. Deliverables 1. A cleaned, fully working set of HTML, CSS and JS file...

    €17 / hr Average bid
    €17 / hr Průměr. nabídka
    212 nabídky

    This project centers on the user-interface layer of a two-sided marketplace and has one clear objective: make navigation effortless for both buyers and sellers. I already have the business logic mapped out; what I need now is a UI engineer who can translate that logic into an intuitive, responsive experience that lets each user type reach any key action in as few clicks as possible. You will begin by reviewing the current site map and user flow sketches I will share. From there, refine the information architecture, suggest component patterns, and build out a modern front-end that speaks fluently with our existing REST endpoints (I’ll provide the base URLs and response samples). React or Vue is fine—as long as the final codebase is clean, modular, and mobile-first. Deliverable...

    €3 / hr Average bid
    €3 / hr Průměr. nabídka
    12 nabídky

    We are seeking a skilled Shopify Plus developer to lead the complete, ground-up rebuild of a website for a well-established, US-based manufacturer of premium kitchen and bathroom fixtures. The client has been a leader in their industry for over 90 years and is looking to modernize their digital presence to better serve their B2B dealer network. This is a large-scale project focused on creating a world-class digital product catalog. The current site has approximately 2,200 products (including variants). The primary goal is to build a new, highly performant, and visually stunning Shopify Plus site that is easy for the client's internal marketing team to manage. IMPORTANT: This is NOT a standard e-commerce project. The website functions as a dealer-referral catalog — there is NO ...

    €9 / hr Average bid
    €9 / hr Průměr. nabídka
    115 nabídky
    Automate Billing & Domain Launch
    6 dní left
    Ověřený

    Our existing subscription platform (React + Express on Replit with Supabase) needs two tightly-scoped automations completed and deployed. Payment flow (target 1–2 days) • At sign-up, Stripe takes the first payment, then a GoCardless Direct Debit is created for recurring monthly charges. • Webhooks must reliably update each client’s status and next-billing date inside Supabase. Domain go-live (target 1 day) • As soon as the initial payment clears, a Cloudflare API call should register the client’s chosen domain, apply the required DNS records, and provision SSL automatically. • A confirmation email is sent to the client once DNS and SSL validation succeed. Codebase & tools: Node.js, Replit, Supabase, Stripe, GoCardless, Cloudflare. Ple...

    €519 Average bid
    €519 Průměr. nabídka
    153 nabídky

    I tried to be as precise and clear as possible in my project description to give you a good overveiw and clear understanding of the requirements. You have better ideas or changes ... very welcome. I am open to discuss any enhancement. Looking forward hearing from you and teaming up with you to get this interessting project going and bringing it to "light" :) Best wishes from Hamburg Howard # Project Brief: High-End Lighting Management (Shelly Gen3/Gen4 & Home Assistant) of a 2 room appartment ## 1. Project Objective The goal is to set up a zero-latency, professional-grade lighting control system. Focus areas include: tactile operation via **Gira System 55 double momentary switches**, intelligent and smart group logic (preventing desynchronized/opposing states), adaptiv...

    €190 Average bid
    €190 Průměr. nabídka
    86 nabídky
    Animated Morphing Clockface Code
    6 dní left
    Ověřený

    I’m building a clock where the entire face is alive, not just the hands. Actually, there will only be one hand that makes a single rotation every 24-hours. The animation must run in a smooth, continuous flow—no ticking or stepped frames—and reflect real-time minutes and seconds as the design evolves. During each cycle the face should: • shift through color transitions, • morph its overall shape, • introduce or fade pattern changes IMPORTANT NOTE: The description above was auto-generated by Freelancer and while not incorrect, it most definitely does not accurately describe the project. It would best be described with some sketches to show how the clockface will change with the hours, days, weeks, months, seasons, and years. The image of the cloc...

    €215 - €646
    Zapečetěný
    €215 - €646
    102 nabídky

    My pharmacy-inventory site on Hostinger is roughly 70 % finished; what remains is the inventory tracking section. The codebase, database, and basic UI are already in place, so the task is to plug in the missing functionality rather than start from scratch. Scope of the remaining work • Build a stock-level monitoring module that fits seamlessly into the current layout and uses the existing database connection. • For every product row, show the item name, its unique code, current quantity on hand, and supplier information. The table must auto-refresh or update without a full page reload. • Add simple search and filter tools so I can quickly locate items by code, name, or supplier. • Include safe CRUD actions (add, edit, archive) that respect the current validation ...

    €70 Average bid
    €70 Průměr. nabídka
    27 nabídky

    My current application depends on a custom Java-based WebRTC layer. I now need the same real-time capabilities rebuilt natively in Angular so the front-end team can iterate faster and keep everything in a single tech stack. Scope of work The new Angular module must handle plain audio calls, full HD video calls, and our existing “virtual classroom” flow that lets tutors and students join at scheduled times. Beyond parity with the Java version, I also want integrated screen sharing, an in-session chat panel, and the ability to record each session for later playback. All features have to work smoothly on desktop, mobile, and tablet browsers. Tech notes • Angular 16+ with TypeScript best practices • Direct use of WebRTC APIs—no server-side media mixing is re...

    €222 Average bid
    €222 Průměr. nabídka
    31 nabídky

    StayNest – Travel & Hotel Booking Web Application StayNest is a full-stack travel and hotel booking web application designed to help users easily search, compare, and book accommodations online. The platform provides a seamless user experience with a responsive interface, secure authentication, and efficient booking management. The frontend of the application is developed using React.js and , ensuring fast rendering and SEO optimization. Tailwind CSS is used to create a modern, responsive, and user-friendly interface that works smoothly across all devices. The backend is built using Node.js and , which handle RESTful APIs, business logic, and server-side operations. MongoDB is used as the database to store user information, hotel listings, bookings, and transaction details. T...

    €76 Average bid
    €76 Průměr. nabídka
    20 nabídky

    I need a complete software solution that focuses on name-based numerology analysis. The core of the build is an engine that takes a user’s name (entered manually) and calculates the corresponding numerological values. From there, the program must automatically generate: • a fully personalized numerology report that explains each number’s meaning in clear, reader-friendly language • actionable name-change suggestions when the existing vibration appears misaligned with the user’s goals • an optional section that explores the historical and cultural significance of the calculated numbers and letter patterns A simple, intuitive input form is essential because users will be typing their details directly into the interface—no file uploads or external ...

    €239 Average bid
    €239 Průměr. nabídka
    37 nabídky
    Multiclick Chrome con ISBoxer
    6 dní left
    Ověřený

    Voglio cliccare una sola volta e vedere lo stesso gesto riprodotto su più finestre di Chrome che ho aperto in parallelo. Uso Windows 11 e ho già provato ISBoxer, ma non sono riuscito a impostarlo correttamente: i click non si propagano in modo affidabile e la mappatura del mouse è imprecisa. Mi serve quindi: • una configurazione funzionante di ISBoxer che duplichi fedelmente i movimenti e i click del mouse su ogni finestra di Chrome che scelgo; • istruzioni passo-passo in italiano su come importare il profilo, avviare la sandbox e prevenire eventuali conflitti con l’antivirus o con i permessi di Windows 11; • se ISBoxer non fosse la soluzione ideale, proposte alternative (per esempio script Python con pyautogui o un’estensione Chrome pe...

    €29 Average bid
    €29 Průměr. nabídka
    7 nabídky

    I need a straightforward restaurant website primarily aimed at showcasing our menu. Key Requirements: - Simple text-based menu display - Additional sections: - About Us - Contact Form - Location and Directions - Ordering Option Ideal Skills and Experience: - Web design and development - Experience with restaurant websites - Ability to create user-friendly navigation - Mobile-responsive design expertise

    €154 Average bid
    €154 Průměr. nabídka
    299 nabídky
    Solar savings calculator
    6 dní left
    Ověřený

    I need a simple, light-weight calculator I can embed on my WordPress site to show visitors how much money solar could save them. The tool must accept three user inputs—current electricity bill, average monthly usage in kWh, and their location or ZIP code. Using those figures, the calculator should instantly return two results: their estimated monthly savings and their projected total savings over the system’s lifetime. That is all the end user should see; I do not want any drop-downs or extra steps for choosing different system sizes.

    €21 Average bid
    €21 Průměr. nabídka
    46 nabídky
    Trophy icon DeedSlice Platform Screen Capture
    19 dní left

    I need a crisp set of screen recordings (MP4) and matching full-HD screenshots (1920 × 1080 or your full screen) that showcase the key areas of my property-tokenization platform. Dont forget to click on white label tab in settings and in console on tokenization you can enter info to show the tokenization process Log in here: Landing page – Dashboard – User: test123(at) Password: test123 Record the natural flow; no voice-over, call-outs, or visual annotations are required. Simply scroll or click where needed so each feature is clearly visible. Save the raw footage and stills—please avoid any added highlights or effects. Deliverables • One continuous MP4 covering the pages below, ~5 min total • Separate PNG screenshots (lossless) of each ...

    €22 Average bid
    Zaručené
    €22
    9 příspěvky

    We are currently seeking a talented Frontend Developer to support the build of a modern SaaS platform. If this opportunity interests you, feel free to message me and we can schedule time to discuss the role in more detail. This is an opportunity to join a growing product team working on a platform designed to capture, manage, and resolve customer issues in real time across multi-location organizations. The product focuses on delivering a clean, intuitive user experience while providing powerful operational insights for businesses. About the Role We are looking for a developer who can take completed UX/UI designs (Figma) and translate them into a clean, scalable, and high-quality frontend experience. The backend services and APIs are already in place, so the primary focus of this role is...

    €30 / hr Average bid
    €30 / hr Průměr. nabídka
    119 nabídky

    Title: Build simple 3-page website in Hostinger Website Builder Description: I need a web designer to build a simple 3-page website using **Hostinger Website Builder**. The domain is already live: I already created **mockup images showing exactly how the website should look**. The job is simply to recreate the design and connect the pages. The website is a simple lead funnel. Page 1 – Home Page • Hero image • Address search bar • Button: “Get My Cash Offer” • Three sections: Cash Offer, MLS Listing, FSBO Support Page 2 – Lead Form • Show the address entered • Form fields: Name, Email, Phone • Form sends leads using Formspree Page 3 – Thank You Page • Simple message confirming submission Tools used: • Hosti...

    €37 Average bid
    €37 Průměr. nabídka
    80 nabídky
    Node.js Developer
    6 dní left
    Ověřený

    We are looking for a skilled Node.js Developer to join our development team. In this role, you will be responsible for building fast, scalable, and secure backend services. You will work closely with frontend developers, designers, and product managers to create reliable web applications and APIs. Responsibilities: Develop and maintain server-side applications using Node.js Build RESTful APIs and backend services Integrate databases such as MongoDB, MySQL, or PostgreSQL Optimize application performance and scalability Write clean, maintainable, and well-documented code Troubleshoot bugs and improve existing systems Collaborate with frontend developers and other team members Requirements: Strong experience with Node.js and JavaScript Knowledge of frameworks such as or NestJS Experience...

    €45 / hr Average bid
    €45 / hr Průměr. nabídka
    70 nabídky

    PHP Developer Needed – Small Web App Task (4–5 Days) – Budget $200–$300 We are looking for an experienced PHP developer to complete a small backend-focused web development task. The project is expected to take 4–5 days and has a fixed budget of $200–$300 depending on experience and delivery quality. Project Overview We need a simple PHP-based web system with basic CRUD functionality and user authentication. The goal is to build a lightweight admin panel to manage records. Main Features User login & logout system Admin dashboard CRUD operations (Create, Read, Update, Delete) Form validation Simple responsive UI (Bootstrap or similar) MySQL database integration Secure coding practices (prepared statements, basic security) Tech Requirements ...

    €211 Average bid
    €211 Průměr. nabídka
    230 nabídky

    **Title:** Build simple website on Hostinger (3 pages) **Job Description** I need someone to build a simple website for me using **Hostinger Website Builder**. The website domain is: **** I already created **mockup images** showing exactly how the website should look. You will copy the design and build it in Hostinger. **Page 1 – Home Page** The home page should include: • A hero image • A search bar where people enter their address • A button that says **“Get My Cash Offer”** Below that there will be **3 sections**: 1. Cash Offer When someone enters their address and clicks the button, it should go to **Page 2**. **Page 2 – Form Page** Show the address the user entered. Then show a form with these fields: • Full Name • Email ...

    €121 Average bid
    €121 Průměr. nabídka
    174 nabídky

    I need a complete build of both a public-facing website and a companion web application. Both properties must share the same brand identity, load quickly on mobile and desktop, and be easy for me to maintain after launch. Here’s what I expect: • A clean, responsive UI that works flawlessly in all modern browsers. • A secure, well-documented back end that can scale as traffic grows. • Deployment to my preferred hosting or cloud account, with automated CI/CD if practical. • Clear hand-over: source code in a Git repository, instructions for local setup, and a short walkthrough video or call. Acceptance criteria • All core pages render without visual defects at 320 px, 768 px, and 1440 px widths. • Lighthouse performance score of 90+ on mob...

    €204 Average bid
    €204 Průměr. nabídka
    82 nabídky

    I’m ready to add a multi-step estimator to my WordPress site so I can pre-qualify leads that are interested specifically in a Renovation project. The walkthrough should open by confirming the project type, then guide the visitor to enter the exact room dimensions they plan to renovate. From there the form will let them pick finish levels, preferred timeline and contact details, show a live cost range, and finally email a concise summary to both the prospect and me while also logging everything to HubSpot (already connected). I need the estimator built as a lightweight WordPress plugin or shortcode that matches our Elementor theme, includes a progress bar with back/next navigation, and allows conditional branching—for instance, larger rooms automatically adjust the budget range...

    €266 Average bid
    €266 Průměr. nabídka
    266 nabídky

    I need an AI-powered chatbot that can sit on our website and handle real-time customer support queries by pulling accurate answers from our own company data. Visitors should be able to type natural-language questions about policies, services, and account issues and receive concise, helpful responses 24/7 without human intervention. Here is the scope I have in mind: • Core engine: a large-language-model setup (GPT-4, Claude, or a comparable open-source model) orchestrated through Python with LangChain or a similar framework. • Knowledge base: ingest PDFs, HTML pages, and structured documents from our internal drive; store embeddings in a vector database (Pinecone, Weaviate, or similar) so the bot retrieves only up-to-date company data. • Web deployment: a lightweight Ja...

    €389 Average bid
    €389 Průměr. nabídka
    137 nabídky

    I need a professional website for my dietitian service focused on client consultations and an introduction to my service. The site should have an appointment scheduling feature or atleast be linked to my clinical management software. Key Requirements: - User-friendly design - Appointment scheduling functionality Ideal Skills and Experience: - Experience in web design, especially for service-oriented businesses - Proficient in integrating scheduling tools - Strong UI/UX design skills Please share your portfolio and relevant experience.

    €101 Average bid
    €101 Průměr. nabídka
    187 nabídky
    HTML Site Text Refresh
    6 dní left
    Ověřený

    I have a hand-coded HTML site with a small blog section and need fresh copy inserted in two areas: the main homepage and several existing blog posts. All styling, layout, images, and functionality stay exactly as they are—I only want the words swapped out for the new text I will supply. Here is what I expect: • Replace current homepage copy with the provided text while keeping every class, ID, and inline style intact so nothing shifts visually. • Update the body content of each specified blog post; titles, meta description tags, and H1/H2 tags must reflect the new wording for basic on-page SEO. • Verify links, special characters, and formatting after the update so no encoding or line-break issues appear. • Test the refreshed pages in modern versions of Ch...

    €337 Average bid
    €337 Průměr. nabídka
    407 nabídky

    I’m building a browser based demo where a pre-made 3D character reacts to anything the user says. When the visitor presses a “talk” button, the microphone audio is captured and audio passed to the character’s mouth so the lips match the speech. Live audio to lip sync of character. Which could mean that the audio is analysed, phoneme / viseme data is extracted, and the character’s blend shapes / mouth poses update in sync. I’m open to whichever phoneme-detection approach you prefer so long as the lip sync looks believable. We can buy a 3d model / avatar if you share a link. It could be of just a head with the lips moving. Scope you’ll handle – Integrate Web Audio for capture. – Implement or wire in the phoneme-mapping logic that...

    €215 Average bid
    €215 Průměr. nabídka
    19 nabídky

    IMPORTANT: Read full description before bidding. Bids under $500 will be ignored. Experienced developers only! ═══════════════════════════════════════════ PROJECT OVERVIEW ═══════════════════════════════════════════ I need a 100% custom built video streaming platform (Netflix / Amazon Prime style). ⚠️ NO WordPress ⚠️ NO nulled scripts ⚠️ NO copy-paste templates ⚠️ 100% CUSTOM CODE ONLY! Budget: $900 - $1,000 USD (FIXED PRICE) Timeline: 20 days maximum Type: Fixed Price only (no hourly!) ═══════════════════════════════════════════ REQUIRED FEATURES ═══════════════════════════════════════════ USER SYSTEM: - Registration & Login - User profiles & watch history - Watchlist / Favorites - Continue watching feature - Free & Premium subscription plan...

    €1033 Average bid
    €1033 Průměr. nabídka
    99 nabídky

    I need a GoHighLevel power-user to design and build a complete, hands-off workflow that moves every prospect from first touch through to repeat customer. The core of the project is workflow automation; email and SMS steps, conditional logic, tagging, pipeline stage updates, and internal notifications all have to fire reliably without manual intervention. Key processes to automate are lead nurturing, customer onboarding, and the follow-up sequences that close the loop after a sale. When you are done, the entire leads life cycle should live inside GHL, visible and trackable at a glance. The new workflows must connect smoothly to the external tools already in play—our CRM system, our existing email marketing platform, and our social media scheduling tool—so data stays in sync ev...

    €244 Average bid
    €244 Průměr. nabídka
    28 nabídky

    I need a phishing-detection solution that scans both incoming Gmail messages and any links users encounter on the web, assigns each item a percentage-based risk score, and immediately sends an alert whenever the score crosses a defined threshold. Scope of work • Email analysis: Pull new messages through the Gmail API, extract headers, body text, and embedded URLs, then evaluate them with heuristics or machine-learning models for spoofed domains, look-alike characters, unusual senders, and malicious payloads. • Webpage link scanning: Monitor links clicked or hovered over in the browser, perform real-time checks against threat-intel feeds and your model, and produce the same percentage score. • Unified alerting: Once a link or email is flagged, push a notification (de...

    €21 / hr Average bid
    €21 / hr Průměr. nabídka
    71 nabídky

    I’m building a proof-of-concept layer that intercepts any image or video delivered through a web browser and automatically replaces detected humans or animals with a neutral “shadow” placeholder. The aim is to strip away elements that might provoke irrational responses while keeping the surrounding media unchanged. Here’s what I need you to deliver: • A working browser-based solution (extension, local proxy, or another approach you propose) that processes both static images and streaming video in real time. • Reliable detection of people and animals using modern computer-vision tools (e.g., TensorFlow, OpenCV, YOLO, or alternatives) and seamless substitution with a non-identifying silhouette or blurred overlay. • A simple toggle UI so users can...

    €10322 Average bid
    €10322 Průměr. nabídka
    67 nabídky

    Expert Developer Wanted: Low-Latency Telegram Trading Bot for BTC/USDT (HFT/Scalping) Project Overview: I am looking for a senior blockchain/backend developer to build a high-performance Telegram-based trading bot specialized in BTC/USDT scalping. The bot must be optimized for speed, executing entries and exits almost instantaneously during peak volume hours. Core Functionality: Telegram Interface: Full control via Telegram (Start/Stop, Manual Override, Real-time P&L alerts). High-Speed Execution: Must use WebSockets (not REST) for sub-10ms data feeds. Volume-Based Logic: The bot must automatically trigger or increase activity during the 13:00–16:00 UTC window (or based on real-time volume spikes). Rapid Scalping Strategy: Automated "Sniper" entry and exit based o...

    €98 Average bid
    €98 Průměr. nabídka
    39 nabídky

    Summary WordPress Elementor Developer Needed for Long-Term Project Collaboration We are looking for a skilled WordPress developer with experience in Elementor to collaborate on multiple client website projects. This is a long-term opportunity for the right freelancer. Responsibilities: • Build responsive WordPress websites using Elementor • Develop business websites and landing pages • Follow provided requirements and designs • Make revisions based on feedback • Ensure mobile responsiveness and good performance Requirements: • Experience with WordPress and Elementor • Ability to create clean and modern layouts • Reliable communication • Portfolio of previous work Project Scope: • Most projects will include 4–8 pages • Conten...

    €112 Average bid
    €112 Průměr. nabídka
    90 nabídky
    API Integration & Product Polish
    6 dní left
    Ověřený

    I need an experienced developer to integrate the Gemini/Stability API into my existing codebase and enhance the final product. Key Tasks: - Integrate Gemini/Stability API to enhance functionality - Improve user interface for better usability - Optimize performance for faster response times and reduced latency Ideal Skills & Experience: - Strong experience with API integration (particularly Gemini/Stability) - Proficiency in UI/UX design principles - Expertise in performance optimization techniques - Familiarity with the existing codebase and troubleshooting Please provide samples of similar work done.

    €225 Average bid
    €225 Průměr. nabídka
    65 nabídky

    React + Supabase Developer — Workplace Verification of Competency Web App Fixed price · AEST timezone preferred · Full spec and working prototype provided Note: the budget shown is a placeholder. I expect bids in the $800–$1,200 USD range for a complete, quality build. Bids significantly below this will not be considered. What this project is I need a developer to wire up a fully-designed React prototype into a production web application. The UI is complete — you are not designing anything. Your job is to connect it to a real database (Supabase), add authentication, and set up automated email delivery. The application is called SpecialisedVOC. It is a workplace verification of competency platform used to record and certify that workers can safely operate ...

    €20 / hr Average bid
    €20 / hr Průměr. nabídka
    147 nabídky
    Crypto Meme Token Landing Page
    6 dní left
    Ověřený

    I’m looking for a developer/designer to create a simple, modern website for a newly launched crypto meme token. The website should be clean, visually appealing, and optimized for mobile devices. The goal is to clearly present the token and provide links to trading platforms and social media. If you already have a ready-made website template for a meme token, that is also perfectly fine. In that case, I would be happy to purchase the template and customize the content myself.

    €32 Average bid
    €32 Průměr. nabídka
    100 nabídky

    I need Any four separate, fully-functional websites completed: News Website E-Commerce Website Travel & Tours Website Corporate Website NGO Website These projects should include -html -css -javascript - react And should be submitted in GitHub Need simple sites just to get web design certificate

    €53 Average bid
    €53 Průměr. nabídka
    39 nabídky

    The project centres on launching a WordPress-based e-commerce store that feels clean, fast and trustworthy. I already know the core platform—WordPress—so the build will revolve around WooCommerce (or a comparable plugin) with custom PHP, HTML, CSS and JavaScript tweaks where stock functionality falls short. Key functional highlight: customers must be able to leave product-level user reviews that display neatly on both desktop and mobile. A smooth back-end moderation flow for those reviews is essential, as is uniform styling so the feedback looks native to the chosen theme. Beyond that, the usual e-commerce fundamentals—product catalogue, checkout flow, tax/shipping rules and responsive design—should come baked in, but feel free to suggest smart add-ons that improv...

    €414 Average bid
    €414 Průměr. nabídka
    281 nabídky

    Freelance Full Stack Developer Required – MVP Development (Travel Tech Startup) Project Overview We are building an early-stage travel technology product aimed at improving how travelers plan journeys when direct travel options are limited. The platform will help users discover smarter travel routes and provide helpful journey insights. We are currently looking for a freelance full stack developer to build the first MVP (Minimum Viable Product) of the platform. --- Key Responsibilities - Develop a web-based MVP application - Build search functionality for travel routes between locations - Implement backend logic to generate possible journey options - Integrate relevant APIs if required - Create a clean, mobile-friendly user interface - Develop basic backend infrastructure and d...

    €249 Average bid
    €249 Průměr. nabídka
    98 nabídky

    My Chrome extension is supposed to grab focus on specific form elements and insert a value automatically, but single-line input fields keep getting skipped or the wrong element is targeted. Buttons, text areas, and dropdowns behave as expected—the problem is isolated to those plain text inputs you find in most login or signup forms. I need you to trace why the current selector logic fails, update the content script (or whichever module you judge responsible), and confirm the fix works on various sites with dynamically generated DOM trees as well as on static pages. Deliverables: • Updated extension files with clear comments on the changes you made • A brief test report listing at least three sites where the single-line input selection now works flawlessly • Instr...

    €28 Average bid
    €28 Průměr. nabídka
    38 nabídky

    I want to launch a full-featured no-code application web built on a platform such as Bubble, Glide or Webflow plus any complementary tools you feel will speed up development without compromising quality. The core of the project is an intuitive tableau de bord utilisateur where each registered user can view and manage their own data. Secure intégration de paiements (Stripe is my first choice, but I’m open to PayPal or others) must be wired in so users can complete transactions directly inside the app. I will supply wireframes, colour palette and copy once the project starts; you bring the no-code expertise and ensure everything is responsive, fast and scalable. Authentication, basic CRUD operations and an admin view are expected out of the box. Deliverables • Fully fun...

    €18 / hr Average bid
    €18 / hr Průměr. nabídka
    172 nabídky
    German Car Service Landing Page
    6 dní left
    Ověřený

    I need a single-page landing site in German that convinces drivers to book a service appointment with us. The page’s sole purpose is lead generation, so every section should guide visitors toward the booking form. Key points to cover • Clear headline and supporting copy in fluent, natural German that explains why our company is the best choice. • Brief overview of core services (inspection, oil change, tire service, glas service etc.) backed by trust-builders such as warranties, certifications, or customer reviews. • An above-the-fold call-to-action button that scrolls to (or opens) the form. • Lead-capture form collecting: – Name and phone number – Service needed and preferred date • Responsive layout that loads fast on mobile an...

    €137 Average bid
    €137 Průměr. nabídka
    319 nabídky

    I need an external AI agent wired into that greets every new enquiry, leads a natural chat to collect our booking basics—shoot type, preferred date, location—and then shares the right service package, all while drawing on an already-prepared knowledge base to answer follow-up questions. The moment a lead proposes an exact date or asks something outside the predefined scope, the conversation must be handed over to a human without losing context. You will be building a hybrid system: clear rule-based steps for qualification and escalation, reinforced by machine-learning NLP so the agent understands free-form questions and keeps the tone friendly and on-brand. All data gathered in the chat has to flow straight into our CRM, and any outgoing email (quotes, confirmations, package ...

    €429 Average bid
    €429 Průměr. nabídka
    154 nabídky

    Project Goal Develop a robust, stealthy automation bot using Python and specialized browser automation tools to interact with a specific chat platform. The bot must mimic natural human behavior, utilize AI for responses, and integrate with specific third-party APIs. Technical Requirements Browser Automation: Must use Python with Selenium or Playwright for browser control. Natural Mouse Paths: Implement Bezier curves to simulate natural human mouse movements, specifically for moving to and clicking the "Send" button. Interaction Method: Submissions must be click-only; the bot cannot use the 'Enter' key. Auto-Load Detection: The bot needs the ability to detect when a new chat interface has loaded after sending a message to restart its loop. Dolphin{anty) API: Integration ...

    €28 / hr Average bid
    €28 / hr Průměr. nabídka
    58 nabídky

    I need an experienced developer to build a Proof of Concept (PoC) for a browser-based automation tool on Dolphin Anty. The goal is to streamline a chat-based workflow using AI and stealth-focused automation. Project Overview: I need an experienced developer to build a robust Proof of Concept (PoC) for a browser-based automation tool running inside Dolphin{anty}. The goal is to automate a chat-based workflow using AI for content generation and advanced stealth techniques. Core Workflow (The Loop): Data Extraction: The bot must read the current chat history and extract specific data points (e.g., Name/Location) using OpenAI GPT-4o. AI Response: Generate a context-aware reply based on the chat history and a configurable System Prompt. Stealth Interaction: - Simulate human-like typing (va...

    €1080 Average bid
    €1080 Průměr. nabídka
    177 nabídky

    I need an end-to-end AI agent that can take full control of our day-to-day presence on Facebook, Instagram, Twitter, and YouTube. The system must: • Create brand-aligned text, image, and short-form video posts that respect each platform’s best practices. • Schedule everything automatically, optimising send times for maximum reach. • Monitor comments, replies, and DMs in real time and answer common questions or escalate when a human touch is required—all while keeping our tone consistent. I’m comfortable if you build with Python plus OpenAI or similar LLMs for copy generation, Stable Diffusion or equivalent for imagery, and FFmpeg / lightweight editing libraries for video. Direct use of each platform’s official API (or a reliable third-party wrap...

    €223 Average bid
    €223 Průměr. nabídka
    31 nabídky

    Hi there, I’m looking to hire a WeChat Mini Program mentor/technical coach to guide me step-by-step in building and launching a Mini Program for users in Mainland China. I’m based in Vietnam and will be doing the implementation, but I need an experienced specialist to teach, review, and unblock me throughout the process. 1. What I need help with - Setting up the correct WeChat ecosystem accounts (Official Account / Open Platform) and understanding what’s required for Mini Program development and publishing - Mini Program architecture and project setup (best practices, folder structure, environments) - Login and user identity (openid/unionid strategy, account binding options) - Backend/API integration (recommended patterns, security, token flow) - Notifications and mess...

    €19 / hr Average bid
    €19 / hr Průměr. nabídka
    54 nabídky

    We are looking for a senior Technical SEO freelancer for , a JS-heavy international PDF tool portal available in 21 languages. This is not a content SEO or link-building role. Important: this posting is for Phase 1 only. Phase 1 is a tightly scoped fixed-price sprint focused on audit, root-cause analysis, prioritization, and a proof-based technical SEO foundation plan. Any follow-up work will depend entirely on the quality, clarity, and evidence of the Phase 1 delivery. Possible follow-up phases may include implementation review, validation re-crawls, and SEO quality control, but these are not part of this posting. We need a hands-on expert who can audit staging and production, identify and prioritize root causes, recommend the right rendering and indexation setup, improve canonical,...

    €1000 Average bid
    €1000 Průměr. nabídka
    169 nabídky

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