Web Application is the process of building, testing, and hosting a service, program or software on the web. This example of technology falls under the umbrella of application development, though a Web App Developer is an IT specialist dedicated to specifically working on web based platforms. Web Application development offers plenty of advantages, as a well-executed online platform can increase accessibility, improve workflow, and offer premium user experience. Furthermore, web applications can be designed to function on mobile devices, giving developers and their clients the potential for massive reach.

A Web App Developer is an experienced professional that designs and builds applications for users to gain access to. The components of this application process include developing front end designs and coding pages with coding languages such as JavaScript, HTML/CSS and Python. They also have expertise in setting up server system architecture and interfaces with databases. The services that these developers offer include app design/development, UX/UI development/design, cloud computing integration (such as Amazon Web Services and Microsoft Azure) security testing/validation and quality assurance testing.

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

  • Creating mobile-friendly browser based applications
  • Implementing cloud computing technologies
  • Developing automated systems that integrate machine learning
  • Employing Saas models through efficient management tools
  • Building automated bots utilizing Ocaml
  • Running compatibility tests across a variety of platforms
  • Designing Zoho Creator expert applications
  • Deploying PHP web apps with video tutorials
  • Constructing photo upload/browsing platforms with Flutter

The utility of Web App Developers is proven in the creative works that have been achieved utilizing their skillsets. Professionals in this field work together with clients to create streamlined programs that are tailored to their preferences. By combining their knowledge with client inspiration, these developers have created technology solutions that cover practically every system aspect desired. Putting it simply: when you need an app built quickly with precision, you need a Web App Developer from Freelancer.com. Post your own project today and hire one of Freelancer's knowledgeable specialists to develop your ideas into reality!

Od 107,405 recenzí, klienti hodnotí našeho pracovníka Web App Developers 4.9 z 5 hvězd.
Zaměstnat Web App Developers

Web Application is the process of building, testing, and hosting a service, program or software on the web. This example of technology falls under the umbrella of application development, though a Web App Developer is an IT specialist dedicated to specifically working on web based platforms. Web Application development offers plenty of advantages, as a well-executed online platform can increase accessibility, improve workflow, and offer premium user experience. Furthermore, web applications can be designed to function on mobile devices, giving developers and their clients the potential for massive reach.

A Web App Developer is an experienced professional that designs and builds applications for users to gain access to. The components of this application process include developing front end designs and coding pages with coding languages such as JavaScript, HTML/CSS and Python. They also have expertise in setting up server system architecture and interfaces with databases. The services that these developers offer include app design/development, UX/UI development/design, cloud computing integration (such as Amazon Web Services and Microsoft Azure) security testing/validation and quality assurance testing.

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

  • Creating mobile-friendly browser based applications
  • Implementing cloud computing technologies
  • Developing automated systems that integrate machine learning
  • Employing Saas models through efficient management tools
  • Building automated bots utilizing Ocaml
  • Running compatibility tests across a variety of platforms
  • Designing Zoho Creator expert applications
  • Deploying PHP web apps with video tutorials
  • Constructing photo upload/browsing platforms with Flutter

The utility of Web App Developers is proven in the creative works that have been achieved utilizing their skillsets. Professionals in this field work together with clients to create streamlined programs that are tailored to their preferences. By combining their knowledge with client inspiration, these developers have created technology solutions that cover practically every system aspect desired. Putting it simply: when you need an app built quickly with precision, you need a Web App Developer from Freelancer.com. Post your own project today and hire one of Freelancer's knowledgeable specialists to develop your ideas into reality!

Od 107,405 recenzí, klienti hodnotí našeho pracovníka Web App Developers 4.9 z 5 hvězd.
Zaměstnat Web App Developers

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    56 Nalezené pracovní možnosti

    I need a custom-built software solution whose sole focus is to improve how our internal employees communicate with each other day-to-day. At the moment messages and announcements are scattered across e-mail threads and improvised chat groups, making it hard to keep everyone aligned. I want a single, easy-to-use space—be it web-based, desktop, or mobile—that lets staff chat one-to-one, open topic channels, share files, and receive time-critical broadcasts without noise. Key capabilities I have in mind include real-time messaging, searchable conversation history, role-based access for different departments, and basic admin analytics so I can see engagement levels. You are welcome to suggest the most appropriate tech stack; I am comfortable with mainstream frameworks such as Reac...

    €121 Average bid
    €121 Průměr. nabídka
    59 nabídky

    مطلوب من خبير في تصميم التطبيقات والمواقع وصفحات الهبوط لتشييك موقع الكتروني لتقديم الخدمات الموجهه للافراد في مراحله النهائيه المطلوب تحقق من اعدادات الموقع بالكامل وضبط نقاط الضعف وفحص الامان وتقديم الدعم عند الاطلاق الى لمده شهر على الاقل تم بناء الموقع عن طريق منصه ويفضل سحب بيانات الموقع لمنصه افضل وذات رسوم ثابته غير معقده

    €106 Average bid
    €106 Průměr. nabídka
    38 nabídky

    I need a single, standout Home Page that sets the tone for a high-end digital guest guidebook covering my short-term rental apartments in Stamford, Connecticut. The site must feel luxurious, use cool tones throughout, and work flawlessly on phones, tablets, and desktops. The page should open with a warm welcome message, flow into an eye-catching gallery of property photos, and finish with a polished section highlighting nearby attractions guests will love. I already have the hosting and domain ready; what’s missing is your design and development expertise to turn these basic assets into a refined, hospitality-grade experience. Deliverables • Fully responsive Home Page built on the platform you recommend (WordPress, Webflow, custom code—open to your guidance) • I...

    €120 Average bid
    €120 Průměr. nabídka
    264 nabídky

    I’m building Face2Tune, a web app that watches a user’s webcam feed, recognises when they look Happy, and instantly queues up music that matches that vibe. The front-end is React; the back-end is a small Node.js / API. Computer-vision runs in the browser so latency stays low, and I’ll store nothing on the server except the track catalogue. Here’s what I need from you: • Integrate a reliable browser-side emotion-detection model (only the Happy class is required for now, but the code should be easy to extend for Sad or Angry later). • When “Happy” is detected, fetch a curated playlist from the back-end and display it in the UI. • Add a simple toggle that lets the user manually choose their mood instead of relying on the camera. &bul...

    €239 Average bid
    €239 Průměr. nabídka
    34 nabídky

    Olive Branch Capital (OBC) is a mortgage and commercial brokerage based in Western Sydney. Target clients: homebuyers, self-employed business owners, commercial borrowers, builders, developers, subcontractors, construction professionals, property investors. --- ## What I Need A professional, secure, compliant website that: * Establishes credibility and trust for a new brokerage * Positions OBC as a specialist in construction, commercial, and self-employed lending * Complies with all ASIC, NCCP, Privacy Act, and industry body requirements (this is a regulated industry with personal liability for the director) * Reduces administrative workload through self-service client tools * Is fully owned by OBC, portable, not tied to any aggregator or third party * Is secure, fast, and mobile resp...

    €758 Average bid
    €758 Průměr. nabídka
    303 nabídky

    Saya mencari ahli manajemen dokumen yang dapat merancang dan membangun sistem untuk mengelola dokumen operasional perusahaan saya. Fokus utama saya adalah: • Keamanan penyimpanan—setiap file harus terenkripsi, memiliki kontrol akses berbasis peran, dan terekam jejak auditnya. • Akses lewat aplikasi web—user internal perlu membuka, mengunggah, serta mengklasifikasikan dokumen dari browser tanpa instalasi tambahan. Sistem boleh dikembangkan dari platform open-source (mis. Alfresco, Nuxeo) ataupun custom build sepanjang memenuhi standar keamanan industri dan mudah dipelihara. Jika Anda dapat menambahkan fitur ekstra seperti pencarian cepat, versioning, atau integrasi ke software lain, sertakan itu sebagai opsi terpisah agar bisa saya pertimbangkan secara bertahap. K...

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

    Saya mencari ahli manajemen dokumen yang dapat merancang dan membangun sistem untuk mengelola dokumen operasional perusahaan saya. Fokus utama saya adalah: • Keamanan penyimpanan—setiap file harus terenkripsi, memiliki kontrol akses berbasis peran, dan terekam jejak auditnya. • Akses lewat aplikasi web—user internal perlu membuka, mengunggah, serta mengklasifikasikan dokumen dari browser tanpa instalasi tambahan. Sistem boleh dikembangkan dari platform open-source (mis. Alfresco, Nuxeo) ataupun custom build sepanjang memenuhi standar keamanan industri dan mudah dipelihara. Jika Anda dapat menambahkan fitur ekstra seperti pencarian cepat, versioning, atau integrasi ke software lain, sertakan itu sebagai opsi terpisah agar bisa saya pertimbangkan secara bertahap. K...

    €27 / hr Average bid
    €27 / hr Průměr. nabídka
    16 nabídky

    I'm looking for a freelancer to help modernize our existing website. This is not a total overhaul, but an update to give it a fresher, more minimalist look. Areas to Update: - Homepage - Product Pages - About Us Design Style: Minimalist Ideal Skills and Experience: - Strong portfolio in minimalist web design - Experience with modernizing existing websites - Proficiency in [your website platform, e.g., WordPress, Shopify, etc.] - Attention to detail and a keen eye for design Please provide examples of previous work and a brief outline of your proposed approach.

    €1699 Average bid
    €1699 Průměr. nabídka
    410 nabídky
    Full Rewrite of Web Application
    5 dní left
    Ověřený

    I am looking to do a full re-write of our existing web application. Currently is it running an older version of Extjs, php, and html5 viewer. I would like to explore options to either upgrade existing stack or completely move to a newer more modern stack. Security and HIPPA aware audit logging is mandatory Maintaining existing features and functions are a must. Increased security. Long term ease of updating and maintenance important as well. Cosmetic updates to UI as well from older extjs to a UI with a clean, clinical-yet-modern aesthetic. (see current and sample(idea) for new UI. Current system has: User administration - Users - typical with option to allow/restrict functions Groups - To add users to g...

    €950 Average bid
    €950 Průměr. nabídka
    232 nabídky

    I want to put a simple, mobile-friendly classifieds platform online so everyone in my neighbourhood can buy or sell both products and services in one convenient place. The site must feel intuitive for non-technical users yet give me enough control on the back end to keep listings organised and spam-free. Core functionality I need right away: • User registration and personal profiles so neighbours can manage their own ads and build trust. • Ad posting capabilities with photos, pricing, brief description fields and an option to mark items “sold” or “booked”. • Smart search and filter tools that let visitors drill down by keyword, location and category. Products, services and future categories should remain flexible. I’ll start with broad groupin...

    €86 Average bid
    €86 Průměr. nabídka
    55 nabídky

    Client created this video: The requirement is to recreate it exactly like that, meaning the house images must stay in the exact same positions relative to the background on all screen sizes. Client says that AI told him that its possible. However, when using background-size: cover, the background image automatically adjusts to the screen size, so naturally the elements no longer stay in the exact same positions relative to the image. Is what the client wants actually possible, or am I missing something?

    €133 Average bid
    €133 Průměr. nabídka
    247 nabídky

    I need a complete portfolio site built from the ground up—code, design, and deployment. The look and feel must be unmistakably modern, with crisp typography, generous white-space, and smooth micro-interactions that showcase my work as an IT officer and software engineer. The site structure is simple yet must feel polished: • Home landing that introduces me and highlights key projects. • Services page outlining development, design, and engineering offerings. • Image-driven gallery to display case studies. • Secure login area so I can update content myself. • Contact form that routes messages to my email without exposing the address. I’m open to your preferred full-stack stack—React, Vue, or Svelte on the front end, Node, Django, or Laravel on the...

    €16 / hr Average bid
    €16 / hr Průměr. nabídka
    196 nabídky

    Russian Sign Language (RSL) AI Avatar — Web App Development Project Overview: We are looking for a developer to build a web application that converts speech and text into Russian Sign Language (RSL) animations in real time using a skeletal avatar. The goal is to make digital services accessible for deaf and hard-of-hearing people. What needs to be built: Speech-to-Text module — Whisper (OpenAI) integration for real-time microphone input NLP text processing — lemmatization (pymorphy2), synonym search (RuWordNet), semantic similarity (FastText) Gesture mapping — matching words to RSL JSON poses; fingerspelling (letter-by-letter) for words without a gesture Avatar animation — skeletal animation rendering via MediaPipe coordinates with smooth transitions between...

    €401 Average bid
    €401 Průměr. nabídka
    75 nabídky

    Hi, I already have the design direction and concept ready. I need a professional developer to build a premium international platform website with smart infrastructure and scalable architecture. The website is not a simple landing page. It should feel like a modern operations platform / dashboard system. Main requirements: Frontend: - Premium corporate UI - Dark luxury style (black / deep navy / gold / silver) - Smooth animations - Modern dashboard feeling - Mobile-first responsive design - Fast loading speed - Clean UX/UI - RTL Hebrew support Languages: - Hebrew (main) - English - Thai - Chinese - Google Translate integration for all additional languages Core features: - WhatsApp integration - Floating WhatsApp button - Smart lead/contact forms - Inquiry forms by category - File u...

    €202 Average bid
    €202 Průměr. nabídka
    163 nabídky

    I'm looking for an experienced web developer to create a travel blog focused on sharing tips and advice. The site should be visually appealing, user-friendly, and optimized for SEO. Key Requirements: - Aesthetic and functional design - Easy navigation - SEO optimization Ideal Skills and Experience: - Proven web development experience - Strong portfolio of past work - Expertise in SEO and UX/UI design Please include past work in your application. Looking forward to your proposals!

    €884 Average bid
    €884 Průměr. nabídka
    102 nabídky

    I produce audio for my radio show called Essential Dissent, and upload it to a website called , aka the a-Infos Radio Project. The website is a media interchange site, IOW producers upload audio, and end users (radio stations, etc) can then download it for free, with the idea that they will use it for broadcast. So far so good. But radio4all does not require downloaders to reveal their identity, and although I ask that users do, almost no one does. Consequently I have almost no idea as to which radio stations are airing my audio. My project is an attempt to get them to tell me who they are. Radio4all has no way to facilitate this, and for philosophical reasons will not make the coding changes necessary to require users to identify themselves. But radio4all allows me to upload my audio t...

    €130 Average bid
    €130 Průměr. nabídka
    108 nabídky

    Website design. Upon initially setting up an account, we need to do a pre-approval loan process, it can simply be what rent to own centers or first franklin type lenders have. These loans will only be for financing transmission jobs done at local mechanic shops. 25% interest charged for either 12 month, 18 month, or 24 month terms only. ACH draft is required for payments which will need to be setup on the website. ( is a great example - click on "apply now" button to see this pre-approval process set of questions). Then this info is sent to one of our "loan approval officers" email accounts to finish getting them signed up in person at the shop when they check out to pay for their bill. Webpage will need to have account login/password feature where customers can cre...

    €935 Average bid
    €935 Průměr. nabídka
    246 nabídky

    Job Title React.js Developer Required for Responsive UI Integration – Artist App Project Description We are looking for an experienced React.js developer to create a responsive frontend UI for our Artist web application. The backend APIs are already available. The developer’s main responsibility will be to build clean, responsive UI screens and bind the frontend with existing APIs using Axios and proper state management. Technology Requirements React.js Responsive UI design Axios API integration State management: Context API / Redux / Zustand Form validation Routing using React Router Clean folder structure Error handling and loading states Mobile-friendly and desktop-friendly design Modules to Develop 1. User Module Screens required: Landing page User registration User ...

    €108 Average bid
    €108 Průměr. nabídka
    49 nabídky
    €59 Průměr. nabídka
    127 nabídky

    I sell digital products and every transaction must be divided on the spot between anywhere from three to ten collaborators, much like DistroKid’s royalty splits. I need a concrete solution—either an off-the-shelf service or a lightweight custom build—that can: • Process digital sales in several currencies without manual conversion • Send each partner’s cut immediately through PayPal, credit/debit card settlement or direct bank transfer • Let me set or update split percentages per product, while keeping a clear audit trail for monthly reporting and tax purposes Your job begins with identifying the most reliable platform (Stripe Connect, LemonSqueezy, Tipalti, Paypal, Affiliate program etc. are all fair game) and explaining why it fits the crite...

    €136 Average bid
    €136 Průměr. nabídka
    169 nabídky
    Finalise Shopify Garment Store
    4 dní left
    Ověřený

    My Shopify site for ready-made garments is halfway there; I now need it polished and launch-ready. The theme still shows rough edges—especially on the homepage, product listings and every heading—so start by correcting layout issues and squashing obvious bugs. Please introduce fresh display sections on the shop landing page, add an announcement bar for promotions, and lock the header and footer in place so navigation feels solid on both desktop and mobile. I also need a few extra pages (think sizing guide, shipping & returns, contact) and clean product categorisation so shoppers can reach every collection from a single click. Double-check all SKU prices while you are inside the catalog. I have already connected a payment gateway; run a full checkout test to confirm th...

    €31 Average bid
    €31 Průměr. nabídka
    139 nabídky
    Event Services App Modifications
    4 dní left
    Ověřený

    I created an app using AI vibe coding. This online app/portal is for managing the event staffing offered by my events management company. This app lets admins easily manage staff, staff can easily create profiles, and clients can easily view shared staff, make decisions, and make payments. I can no longer use this AI app for modifications in the code. The code is in React. I need someone who can make these few changes and modifications: 1. Integrate WhatsApp for staff number verification and for the admin to send event inquiries to staff on WhatsApp. 2. In the staff registration steps, add the database of countries and cities for the staff to select which cities they are available to work in. 3. Increase the logo size on the landing page. 4. Set up the database for this app on Ho...

    €32 Average bid
    €32 Průměr. nabídka
    58 nabídky
    Google Apps Script Bid CRM
    4 dní left
    Ověřený

    We are looking for a freelance Google Apps Script developer to update and complete a partially developed CRM software designed for tender management and sales workflow. Project Overview: The CRM is already 50–60% completed. Built on Google Apps Script with Google Sheets backend. Multi-user login system for approximately 5–6 users needed The software flow and structure are already designed; remaining work mainly includes feature updates, UI improvements, workflow modifications, and bug fixing. The system should remain lightweight, simple, and cost-effective. Required Skills: Strong experience in Google Apps Script Experience with Google Sheets automation CRM/workflow/dashboard development experience UI/UX improvement capability Basic database structuring kn...

    €26 - €215
    Zapečetěný
    €26 - €215
    43 nabídky

    I’m preparing to flip the switch on the new paywall for and need an expert to be sure every step behaves exactly as intended. Specifically: 1. Once a user pays, will future articles be automatically unlocked for them? 2. How does the login flow work for paying users? 3. What happens after 365 days — is there an automatic renewal, or does it need to be done manually? You’ll work our staging article ()

    €132 Average bid
    €132 Průměr. nabídka
    199 nabídky

    copy content to new template from old site. hosting, template and credentials will be provided. step 1 -> upload template e.g step 2 -> copy text and old pictures to it i.e. if done well, will rehire again for step 3 and 4 for same site Expected eta is 2 days, please do not bid if exceed.

    €19 Average bid
    €19 Průměr. nabídka
    124 nabídky

    I’m running PerfexCRM and need two improvements that will streamline our daily workflow: 1. Separate invoice sequences • “Donation Receipt” must generate its own running number series. • “Regular Receipt” should follow a completely different sequence. I’m undecided on whether each series should reset annually or roll forward forever, so I’ll look to you for the best-practice recommendation and the logic to back it up. 2. Hebrew calendar support (similar to Kaluach) The CRM should display and work with Hebrew dates for: • Event scheduling inside the calendar and project modules • Fast Gregorian↔Hebrew date conversion on any date field • Automatic holiday reminders so our team can pl...

    €19 Average bid
    €19 Průměr. nabídka
    24 nabídky
    PHP Travel 403 Fix
    3 dní left
    Ověřený

    My travel-booking platform is built in PHP and everything loads perfectly until the moment a registered user tries to confirm a reservation. As soon as they hit the “Sign in to complete your booking” step the site throws a 403 error, blocking the checkout flow entirely. Data is still being pulled from the APIs and displayed correctly, so the fault seems isolated to whatever happens inside that final confirmation call—possibly a permissions rule, .htaccess directive, token check or something similar. I haven’t knowingly changed code or plugins right before the issue appeared, so I need someone who can methodically trace the root cause, correct it, and make sure the booking journey works end-to-end for registered users without disturbing the rest of the site. What...

    €22 Average bid
    €22 Průměr. nabídka
    134 nabídky

    Jeg søger en udvikler til at bygge en EDI kommunikationsplatform, der understøtter EDIFACT og XML dataoverførsel. Platformen skal være tilgængelig som webapplikation og skal inkludere følgende funktioner: - Data kortlægning - Validering af beskeder - Overvågningsdashboard Ideale færdigheder og erfaringer: - Stærk baggrund i EDI protokoller, især EDIFACT og XML - Erfaring med webapplikationsudvikling - Kompetencer i udvikling af data kortlægnings og validerings værktøjer - Evne til at oprette informative overvågningsdashboards Venligst del relevante porteføljer og projekter.

    €5703 Average bid
    €5703 Průměr. nabídka
    47 nabídky

    My store was operating smoothly until a few hours ago; now it refuses to load at all. The browser shows only a vague error with no clear explanation, and I haven’t touched the code, themes, or plugins recently. I need someone who can jump in immediately, identify the root cause, and restore full access so customers can shop again without interruption. What I expect from you: • Rapid investigation of the server logs, database connection, and application files • Clear identification of the fault—whether it lies in hosting configuration, corrupted files, or something else entirely • A clean fix that brings the site back online and keeps checkout functionality intact • A brief summary of the problem and the steps you took, so I can avoid the same issue ...

    €110 Average bid
    €110 Průměr. nabídka
    201 nabídky

    Für meinen Handyshop plane ich eine schlanke, professionelle Informationsseite, die unser Angebot klar vorstellt und auf allen Geräten sauber aussieht. Der Kerninhalt kann später von mir gepflegt werden; ob das in WordPress, Webflow oder einem vergleichbaren CMS geschieht, überlasse ich deiner Empfehlung, wichtig ist vor allem eine unkomplizierte Pflege. Unverzichtbar ist ein Kontaktformular, das die Felder Name, E-Mail-Adresse, Telefonnummer und ein freies Nachrichtentextfeld enthält. Das Formular soll zuverlässig ab­gesendet werden können – wahlweise per interner Mail-Funktion oder Anbindung an einen gängigen SMTP-Dienst – und eine kurze Bestätigungsseite beziehungsweise Popup-Meldung anzeigen. Ich liefere Logo, Farbvorgaben ...

    €77 Average bid
    €77 Průměr. nabídka
    92 nabídky

    Saya ingin memiliki sebuah portofolio digital yang menampilkan karya seni saya—khususnya desain logo dan desain untuk baju—dengan tampilan yang profesional namun mudah saya kelola sendiri. Prioritas utama saya adalah: • Galeri visual interaktif yang mem-presentasikan setiap desain dengan jelas dan cepat dimuat. • Mekanisme monetisasi sederhana agar pengunjung dapat langsung memesan atau membeli desain, lalu sistem otomatis menahan pembayaran secara aman (escrow) sampai pekerjaan selesai. Akan sangat membantu bila portofolio juga mencakup: – Halaman ringkas “Tentang Saya” agar klien mengenal latar belakang dan proses kreatif saya. – Formulir kontak terintegrasi untuk permintaan custom design. Saya mengutamakan antarmuka bersih, na...

    €759 Average bid
    €759 Průměr. nabídka
    28 nabídky

    Build Full HTML5 Radio DJ Studio + 24/7 AutoDJ System with System/Desktop Audio Capture for Wowza (MSSQL + Multi-Station) We have a Wowza Streaming Engine running on Windows Server 2022 Datacenter that has been serving multiple radio stations perfectly since 2010. Currently we ingest an old Adobe/RTMP source and push out HLS/DASH streams for web browsers. We are now moving to a modern, 100% Adobe-free system using only Wowza for everything.

    €2581 Average bid
    €2581 Průměr. nabídka
    83 nabídky

    I need an experienced developer to fix functionality bugs and create a membership portal for course access management on my educational website. Key Tasks: - Resolve login and authentication issues - Create a seamless membership portal for course access management - Help with content drip for certain products - Allow seamless payments and options for booking timeslots for online tutoring sessions Ideal Skills and Experience: - Strong background in web development - Experience with membership portals - Problem-solving skills for functionality bugs

    €146 Average bid
    €146 Průměr. nabídka
    259 nabídky
    E-commerce Website Development
    3 dní left
    Ověřený

    Website building for e commerce

    €166 Average bid
    €166 Průměr. nabídka
    147 nabídky
    Fix MySQL PHP Connection Error
    2 dní left
    Ověřený

    I have a PHP-based website that suddenly stopped talking to its MySQL database. Every page that relies on data now throws a connection error, so visitors see nothing but an ugly message. The rest of the codebase is stable; it’s purely the database hand-shake that’s broken. Your task is to dive into the existing PHP, identify why the connection fails, and deliver a clean, working fix. Once repaired, the site should load data normally without warnings or deprecated notices, and your solution must stay compatible with the current server stack (PHP 7.4 on Apache, MySQL 5.7). Deliverables • Updated PHP file(s) with the corrected connection logic • A short note outlining the root cause and the exact change made so I can maintain it later I can provide SSH or cP...

    €4 / hr Average bid
    €4 / hr Průměr. nabídka
    94 nabídky

    Project Title OmniSell AI — Unified Seller Operating System for Modern Commerce. Project Overview OmniSell AI is an intelligent, AI-powered unified commerce operating system designed to help businesses create, manage, automate, and scale their online selling operations across multiple ecommerce ecosystems from a single centralized dashboard. The platform combines the strengths of: Shopify — Storefront & D2C commerce Amazon — Marketplace selling & fulfillment Flipkart — Indian marketplace ecosystem ONDC — Open digital commerce infrastructure OmniSell AI acts as a central seller operating system, enabling merchants to onboard once and instantly manage products, inventory, pricing, orders, logistics, payments, marketing, analytics, and customer inte...

    €521 Average bid
    €521 Průměr. nabídka
    59 nabídky

    Potrzebuję prostej, ale solidnej aplikacji webowej, która usprawni moją codzienną obsługę zamówień na Vinted. Co musi zrobić: • Zalogować się automatycznie do kilku kont Vinted (dane dostępowe wprowadzę raz, system zapamięta je bezpiecznie). • Pobrać bieżące etykiety wysyłkowe przypisane do sprzedanych przedmiotów. • Dopisać na każdej pobranej etykiecie numer przedmiotu podany w ogłoszeniu – numer jest wyraźnie podany, w stałym miejscu, aby ułatwić kompletację paczek. • Zebrać etykiety w jedną paczkę PDF i od razu przesłać ją do drukarki termicznej; proces ma przebiegać całkowicie automatycznie, bez ręcznego klikania „Drukuj”. Technologia i użytkowanie: – Aplikacja webowa dostępna z poziomu przeglądarki Brave ...

    €447 Average bid
    €447 Průměr. nabídka
    71 nabídky
    Set Up Sites on Ezoic -- 3
    2 dní left
    Ověřený

    I’m looking for an Ezoic-savvy specialist who can connect several of my existing sites to the platform from start to finish. Just setup the sites there and manage the procedere

    €9 / hr Average bid
    €9 / hr Průměr. nabídka
    65 nabídky

    I’m looking for a full-stack developer who can jump in for the next 2–4 weeks and take two green-field ideas from concept to working, deployable products while keeping the codebase tidy and well-structured. What we’re building 1. A web-based Project Management App focused on task tracking, smooth team collaboration, and clear project timelines (Gantt-style views included). 2. A separate benchmarking & value-assessment platform whose core job is to let users run performance comparisons across selected datasets and instantly see the results. Why you’ll like the job • I favour clean architecture, modular design, and transparent documentation in Claude Code markdown files. • We don’t need “traditional” boilerplate work; instead,...

    €1359 Average bid
    €1359 Průměr. nabídka
    169 nabídky

    I need a skilled developer to inject Meta Checkout URL code into my WordPress site using WooCommerce. The code should be injected on the cart page load. Requirements: - Experience with WordPress and WooCommerce - Proficiency in PHP and WordPress hooks/filters - Ability to test and ensure code works without conflicts Please provide examples of similar work done.

    €11 / hr Average bid
    €11 / hr Průměr. nabídka
    39 nabídky

    Operational Intelligence Platform for Foreign Trade "Total visibility. Anticipated decisions. Operation under control." The Problem Foreign trade managers face the daily challenge of tracking dozens of simultaneous processes distributed across different teams and operational areas. Each process has critical deadlines, storage fees, free time windows, demurrage risks, and regulatory requirements that, when not monitored in advance, generate fines, delays, and significant financial losses for the company. The current management model relies heavily on human capacity to review spreadsheets, cross-reference information, and identify problems before they become critical. This process is manual, slow, error-prone, and entirely dependent on the availability and attention of each team me...

    €547 Average bid
    €547 Průměr. nabídka
    89 nabídky

    More details: What type of design are you looking for? Website design What style do you prefer for your website design? Corporate and professional What pages do you need for the website? Home page

    €194 Average bid
    €194 Průměr. nabídka
    46 nabídky

    I have an idea for a fairly simple app design. fitness based. totally fine with a browser based application initially if feasible for real world testing before getting into any actual app store applications. essentially i would need to be able to upload csv style formats for workout routines and have the app help navigate the progression. Based on certain criteria the app would automatically load the days workout and suggest weight, rep ranges, when to add reps/weight, etc. would also need to be able to serve as a log potentially with export features but that is secondary. really a progression tracker

    €163 Average bid
    €163 Průměr. nabídka
    191 nabídky

    I need an experienced web developer to create an e-commerce website dedicated to service booking. Essential Features: - User Reviews and Ratings: A system for customers to leave feedback and rate services. Ideal Skills and Experience: - Proven experience in developing e-commerce websites, especially for service-based businesses. - Strong understanding of user experience (UX) to ensure the site is intuitive and easy to navigate. - Ability to integrate a robust user reviews and ratings system. - Familiarity with online payment systems and booking calendars, even if not required for this project, would be a plus. - Strong design skills to create an attractive and professional look for the site. Please include examples of previous work and any relevant certifications. Looking forward to yo...

    €211 Average bid
    €211 Průměr. nabídka
    101 nabídky

    I need a website designed to attract new students to my coaching center. It should be visually appealing and user-friendly. The site should provide current students with: - Course schedules and updates - Study materials and resources - Class timings - Available courses - Past performance metrics Ideal skills and experience: - Proven web design expertise - Experience in creating student-oriented educational platforms - SEO knowledge to enhance visibility - Strong portfolio with similar projects. it should include my SAT exams regions i teach and the subjects.i teahc testimonials of my pastm studenty

    €40 Average bid
    €40 Průměr. nabídka
    58 nabídky

    website development - Project requirements we are a newly established consultation firm, we would like to have the following : Scope of work and project phases: 1) Review and upgrade the profile content and create the final company theme and corporate and logo design identity. 2) Develop the company website content (English first then, then to be translated to Arabic) 3) Exploring suitable domains and select the approved one. 4) Domain registration in Saudi Arabia and hosting 5) Design landing page specifications including motion graphics, interactive, with Sounds. 6) Adding Emails inbox for 50 users. 7) Develop a mobile version in the website. 8) Final handover om the source code to the owner. Duration - The full project duration is 2 – 4 weeks max. Payment - 20% after step 2 ...

    €239 Average bid
    €239 Průměr. nabídka
    231 nabídky

    I need a website designed to facilitate business-to-business referrals for CBCT imaging. The site should primarily cater to dental surgeons, CBCT imaging centers, and diagnostic centers. Key Features: - Secure login for professionals - Module for reading and creating diagnostic reports - Partnership inquiry forms - User-friendly interface Ideal Skills and Experience: - Proven web development experience - Familiarity with secure login systems - Prior work on medical or diagnostic websites - Strong UI/UX design skills

    €200 Average bid
    €200 Průměr. nabídka
    68 nabídky

    You could win $50 for winning a 2 minute game! We recently launched the web app version of Techu on the Chair and need testers to help us check gameplay, speed, usability, and bugs. Play for free at https://techu.app. No signup or download required. This is structured as a fastest-time contest. Play on MEDIUM or HARD difficulty. Submit your score to the leaderboard. After, submit a screenshot of your final time, and the fastest valid time at the end of the contest wins. Current fastest time: 36.1 seconds on HARD set by the creators of the game. I will be updating the comment section with current winners of this contest periodically, so check the comments! The web app version is stripped down to the core game only, without the full artwork from our iOS and Android apps, so we can focus ...

    €13 / hr Average bid
    €13 / hr Průměr. nabídka
    54 nabídky

    Preciso de um freelancer para editar alguns vídeos e estrutura a minha pagina

    €50 Average bid
    €50 Průměr. nabídka
    28 nabídky

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