Nodejs soliditypráce

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    2,000 nodejs solidity zakázek nalezeno, ceny v EUR
    Crypto Adopcia Ukončeno left

    Projekt adopce kryptomen mezi sirokou verejnosti Hledám programátora blockchainu, dApp, Defi apod. v Solidity, Script, Rust, Haskell Plutus, JavaScript apod., dále platformy Moralis, Agoric apod. Seniorní i juniorní. Za U.S. odměny požadujeme U.S. kvalitu. Mzda podle U.S. standardu Práce z domu.

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    Dobrý den, hledám JavaScript vývojáře na dlouhodobější vývoj appky postavené na Reactu a NodeJS. Neměl byste zájem o více informací? Děkuji.

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    Dobrý den, hledám JavaScript vývojáře na dlouhodobější vývoj appky postavené na Reactu a NodeJS. Neměl byste zájem o více informací? Děkuji.

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    Project for devetar Ukončeno left

    Dobrý den, hledám JavaScript vývojáře na dlouhodobější vývoj appky postavené na Reactu a NodeJS. Neměl byste zájem o více informací? Děkuji.

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    Dobrý den, hledám JavaScript vývojáře na dlouhodobější vývoj appky postavené na Reactu a NodeJS. Neměl byste zájem o více informací? Děkuji.

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    I need a skilled professional in NodeJS and TypeScript who can quickly fix bugs in my project. - Current Issues: The project has been facing some runtime errors and database connectivity issues that lead to inconsistent data rendering. - Skills and Experience: Ideally, you should have profound knowledge in NodeJS and TypeScript. The capability to identify and resolve these bugs in the minimum time possible will be highly appreciated. - Project Scale: The application is a medium-sized, multi-page platform that requires delicate attention to detail. In your proposal, please include your specific experience in addressing similar issues. A proven track record in debugging, especially in medium-size applications will be an added advantage. I'm looking forward to working ...

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    I require a Solana RPC & Raydium SDK script written in nodejs that can fetch the current market cap and price of Solana in SOL and/or USD. The specifics of the project are: - Fetch Solana's market cap and price - The data must be retrievable in SOL and/or USD - Only using Solana RPC and/or Raydium SDK - Must be a nodejs script Skills and Experience: Ideal freelancers will offer a deep understanding of the Solana RPC & Raydium SDK, with a track record in cryptocurrency-based projects. expertise in wallet integration, transaction monitoring, and smart contract deployment is a plus. Familiarity with programming languages that interact with Solana will be highly regarded.

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    I am seeking a senior NodeJS developer to resolve issues with an existing API and introduce new functionality and improvements. I am looking for individuals only, no agencies please. The ideal candidate is an expert at NodeJS, no time-wasters. Issues will be discussed over calls with screen sharing and we'd talk through problems, figuring out the best approach to each ticket. Strong familiarity with git and branching is required. Our source code is hosted on GitLab and our app runs in a containerized environment, although experience with containerization (docker) is not required. All issues are posted to an internal issue tracker which you'll be given access to. This is an ongoing project where time tracking is a requirement. We are behind schedule in addressing s...

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    Hello, I'm looking for a developer with expertise in Solidity to build an NFT Staking Platform on the Ethereum Network. This is an exciting project requiring specific skills and experience. Key Requirements: * Proficiency in Solidity: It's important that you are confident and experienced in this coding language. * Past work: Be prepared to showcase your previous projects that relate to this one, it'll help to understand your experience and relevance to this project. Design Style: Despite skipping the design choice, I am open to suggestions regarding the design elements. I'm especially interested to see a combination of modern, minimalist, eye-catching, and clean aspects. I appreciate creativity and innovation, so please feel free to bring your ideas ...

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    I hold a pre-existing Token contract, and I require a blockchain expert to help me deploy the token to the Ethereum mainnet. The freelancer should possess excellent command over Solidity and Git and: - Have extensive experience in deploying tokens on the Ethereum network. - Exhibit a strong understanding of Ethereum standards, specifically ERC20. - Be well-versed with Mintable and Burnable tokens. Please note, while deployment experience is paramount, in-depth knowledge in token minting and burning will be a huge plus. Interested parties must showcase previous works in this domain.

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    We are in need of a developer with expertise in multiple areas to create an ERP logistics system. Our primary priorities for functionality are inventory management, order tracking, reporting and analytics, last mile management, and an order management system. Ideal Skills and Experience: - Angular 9 for frontend development - NodeJS for middleware development - Spring Boot for backend development - MySQl for database management - GCP for cloud management. We require a developer with prior experience with these systems and programming languages. The chosen cloud provider for this project will be GCP. Please include relevant project experience in your proposal.

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    Good morning, The mission is to finalize the app 'Z-anatomy' () () and to set up a functional webviewer linked to a database from it. This project is open source...candidate. Qualifications Bachelor's degree or equivalent experience in Computer Science or a related field At least 3 years of experience using Unity, HTML, CSS, and JavaScript Proficiency in working with WebViewers and integrating them with Unity applications Experience with database integration and connecting Unity applications to a server-side technology (such as MySQL, PHP, or NodeJS) Ability to multi-task, organize, and prioritize work in a fast-paced environment Strong communication skills and ability to work collaboratively with a designer.

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    I'm looking for an experienced developer who specializes in Ethereum blockchain wallet development. My goal is to ...Transaction history: The users should be able to view a history of all their transactions. - Send/Receive function: Users need to be able to effortlessly send and receive Ether. - Multi-signature security: To ensure maximum security, the wallet should incorporate multi-signature security features. An ideal candidate for this project would have profound knowledge of and experience with Ethereum and Solidity. Expertise in developing blockchain wallets, particularly in a desktop environment, is highly desired. Proficiency in minimalist designing is also a plus. Looking forward to meeting a professional who can deliver a user-friendly and secure Ethereum wallet for...

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    ...should be no dependance to any other blockchain. At the moment we are building a desktop application that will interact with the blockchain. Therefor we need all the nesesary APIs. We will do the integration of the App and the Blockchain. I need to know if you can do the following: General: - Create a custom blockchain prefered with Tendermint Core - Create 2 Smart Contracts - can be built in solidity or similar. - APIs like flask or better so the integration is possible even with a Linux frontend -For a higher acceptance it would be good if the created coins are connected to a established network like cosmos, EVM or similar so the created coins will be accepted by exchanges easily. -Prefered freelancers will be chosen if they have connections to exchanges. -Have a look at the ...

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    Angular, Nodejs and Firebase developer needed

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    ...requirements into technical solutions. Stay updated on emerging technologies and trends in blockchain and decentralized finance (DeFi) to incorporate innovative features into our applications. Requirements: Proficiency in the MERN stack with at least 5 years of experience in web development. Solid understanding of blockchain fundamentals and experience with Web3 technologies such as Ethereum, Solidity, and Web3.js. Experience with decentralized finance (DeFi) protocols and smart contract development is a plus. Strong problem-solving skills and the ability to work independently as well as part of a team. Excellent communication skills and the ability to effectively collaborate with cross-functional teams in a remote environment. A portfolio showcasing your previous work in web de...

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    Hi Chinmay P., I noticed you posted a following project ( https://www.freelancer.com/projects/nodejs/MERN-Developer-for-OTP-Secured/details )

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    ...to incentivize community participation Understanding blockchain. Whatever your role, you’ll need at least some grasp of blockchain technology – though depending on the job, it may not need to be extremely detailed. Coding and smart contracts. This is a technical field, and many jobs require blockchain development experience. Ethereum developer jobs will need smart contract programming skills (Solidity). UX design and web development. At the front end, UX tools (HTML, CSS, JavaScript) will be helpful, without too much adaptation from what you’d need in other sectors. On the backend, Node.js, Go, Python, Scala and other languages will be valuable. Data analysis. The blockchain records a wealth of information, and if you have a background in data science you may b...

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    I am seeking a highly sk...understanding of how these platforms work. Special consideration will be given to developers who have worked on a similar project before. While the question regarding programming languages was skipped, familiarity with popular blockchain-related languages like Solidity, JavaScript, and Java could add value to the completion of this project. Key Requirements: - Proven experience with Ethereum, Matic, and Cardano. - Understanding of blockchain technology and its application. - Preferred: Knowledge of programming languages (Solidity, JavaScript, and Java). This project needs to be completed as soon as possible, so availability and commitment are essential. Please only apply if you can dedicate a generous amount of time to this project in ...

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    I'm looking for an experienced Laravel developer to assist in installing and setting up a codecanyon Laravel script on a DigitalOcean server droplets and cloudflare dns for subdomains as theres the main site frontend, backend, admin please see the link for the docs script docs are here script uses laravel backend along with NodeJS NextJS ReactJS

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    I need assistance in developing a sophisticated Ethereum Smart Contract. The contract should be designed to autom...Funds: The smart contract must be able to distribute funds without manual intervention. - Contract Interaction: The smart contract should effectively interact with other contracts. This involves: - Calling Functions: Ability to call functions of other smart contracts. - Reading Data: The contract should read data from other smart contracts. Ideal candidates will have extensive experience with: - Solidity and Ethereum network - Developing and testing smart contracts - Understanding of how smart contract interaction works Developers who have undertaken similar projects in the past will be highly considered. Please include your experience with the mentioned features in...

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    Lees goot game 4 dní left

    Hola! Queremos hacer un bot de Telegram estilo @delugebuybot Y queremos que sea en Nodejs, si pueden verificar antes de las propuestas. Gracias.

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    Hola! Queremos hacer un bot de Telegram estilo @delugebuybot Y queremos que sea en Nodejs, si pueden verificar antes de las propuestas. Gracias.

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    Explaining the functionality and behavior of a token Not big deal.

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    We're in need of skilled NodeJS developers to bring some fresh changes to our current website. While the specifics of the interface changes were not laid out, the key focus will be on adding new functionalities like user registration, e-commerce capabilities, MLM commission functionality, deposit bonus, crypto deposit, crypto withdrawal, and promotion pages. The scope is broad, yes, but we're confident in bringing on developers who are excited and capable to take on these tasks. Ideal Experience/Skills: - Strong NodeJS background - Proven experience in adding functionalities to websites - E-commerce development experience - Crypto-related functionalities integration - MLM Commission systems When applying, please make sure to showcase your experience that alig...

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    Sequelize/Web App UI Bug Fixing 4 dní left
    OVĚŘENÉ

    ...am currently facing a tough bug within my web application. The user interface interaction isn't working as expected and the issue is causing a hiccup for the overall web application's performance. I am seeking an experienced developer with strong skills specifically in Sequelize, NodeJS, ReactJS, and MySQL. Key tasks include: - Investigate the existing UI issue and trace the problem - Solve the identified bug related to user interface interaction Ideal Skills and Experience: - Proficiency in Sequelize, NodeJS, ReactJS, and MySQL - Strong debugging skills specifically in UI issues - Prior experience in fixing similar issues - Outstanding attention to detail and critical thinking skills - Excellent communication, in order to explain the problem and the applie...

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    ...Architecture (DDD). As a backend engineer with expertise in NodeJS, your tasks will include developing APIs, managing databases and integrating third-party services. The presentation aims to connect with a variety of individuals including technical team members, non-technical stakeholders, and project managers. Consequently, your communication skills and ability to break down complex technical concepts into understandable language will be key. The intended presentation should cover an introduction to DDD, highlighting its benefits, and providing noteworthy instances of DDD implementation in real-world projects. Additionally, the presentation should explain data flows on DDD layers. Ideal Skills and Experience: - Expert in NodeJS and backend engineering - Exceptional c...

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    I need a Blockchain Developer who is well-experienced in using Solidity and Python to create smart contracts for Ethereum. Key Requirements: 1. Programming Expertise: You should have a strong understanding of Solidity and Python to develop efficient and secure smart contracts. 2. Blockchain Platform Familiarity: A comprehensive knowledge of the Ethereum platform is needed, as this is the environment in which the smart contracts will be executed. 3. Specific Development Type: This project is geared toward smart contracts creation. Therefore, direct experience in this area of blockchain development is crucial. This project demands precision, knowledge and a keen eye for detail. If these are areas where you excel, please feel free to bid.

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    Looking for an experienced web3 developer, confident using blockchain technology for the updating Dex Key Qualifications: - Proven experience with Dex development - Proficient in Solidity and JavaScript Project Objective: - Build Decentralized Finance (DeFi) and Decentralized Applications (DApps) on the Ethereum platform. This role is best suited for a senior developer with a comprehensive understanding of Ethereum and the associated coding languages. You'll be instrumental in creating innovative DeFi and DApps tools, assisting our team in leveraging blockchain technology to its fullest potential.

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    I invite the expertise of a skilled web3 developer specializing in decentralized finance (DeFi) to assist with Uniswap integration for my project. The following skills and experience are vital: - Solidity and smart contract development - Strong understanding of Uniswap - Integration of DeFi protocols - Past experience in a similar project is highly crucial From the project of jamesbachini ---- need this working in mainet and sepolia testenet .

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    ...Collaborating with team members to optimize code and improve performance - Staying up-to-date on the latest trends and technologies in the DeFi space - Contributing to the overall architecture and design of our decentralized finance projects Skills and qualifications: - 3+ years of experience in blockchain development, with a focus on DeFi - Strong proficiency in programming languages such as Solidity, JavaScript, and Python - Experience with smart contract development and deployment on Ethereum and other blockchain networks - Knowledge of decentralized finance concepts, including liquidity mining, decentralized exchanges, and yield farming - Excellent problem-solving skills and attention to detail - Strong communication and collaboration abilities Benefits of joining...

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    I need an experienced Rust developer who can assist in designing, implementing, and testing smart contracts for an Automated Market Maker (AMM) on Solana. Key functionalities include: - Token Swapping: The primary feature we seek is a token swapping functionality. - Comprehensive Token Support: It's vital that our...platforms. Familiarity with automated market maker (AMM) concepts and protocols (e.g., Uniswap, SushiSwap). Ability to work independently and collaboratively in a fast-paced environment. Good communication skills and a proactive attitude towards problem-solving. Nice to Have: Previous experience working on decentralized finance (DeFi) projects. Knowledge of other programming languages such as Solidity, C++, or Python. Understanding of cryptography and cybersecur...

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    DOM
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    I'm on the lookout for a proficient programmer, ideally skilled in Python, JavaScript, and Solidity, who can take the reins in creating a brand-new cryptocurrency system. Ideal Skills and Experiences: - Proven expertise in popular programming languages especially Python, JavaScript, and Solidity. - Experience in cryptocurrency system design and development. - Understanding of blockchain technology and encryption protocols. Application Requirements: - A detailed description of your past cryptocurrency-related projects. This will help me understand your skill level and relevance to my project better. The goal is to create a reliable and secure cryptocurrency system that we intend to scale in the future. Your input and expertise will play a significant role towards real...

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    ...vision to life using the following tech stack: Front End: Expertise in AngularJS/ReactJS/NextJS. We are open to suggestions on which framework best suits our vision of a web app-like interface. CMS: Integration with KeyStoneJS for easy content management, enabling us to keep our websites updated with the latest information without extensive technical intervention. Back End: Proficiency in DotNet/NodeJS for handling backend processes, including but not limited to processing contact form requests. Database: Use of Microsoft PSQL, ensuring robust and secure data management. Development & Deployment: Code repository within our DevOps Organization. Continuous integration and delivery via Azure Pipelines. Azure for hosting, emphasizing a Cloud Native Stack approach for optimum pe...

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    I'm searching for a skilled team with experience i...functionality to Ethereum, Tron, or Fantom. My main focus for this network revolves around these three important pillars: * Decentralization * Scalability * Smart contract functionality Ideally, the network should come with these specific features: * Token creation and management * Smart contract development * Cross-chain interoperability The programming languages required for the job are Solidity and Java. You're expected to have substantial experience and expertise in both of these languages. In essence, I'm searching for professionals who can breathe life into my vision of a network that merges the independence of decentralization, the breadth of scalability, and the practicality of smart contracts into a un...

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    I am currently opening a project as discussed for Ashraf M. Modification to current nodejs project

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    I'm in need of an adept blockchain developer who can quickly assist me in the design and development of two different Solana testnet smart contracts. Core requirements include: * Smart Contract Execution: Your primary task will be to develop smart contracts on the Solana blockchain testnet. Mastery of Rust and experience with Solidity and Solana's contract standards and libraries is critical. * Specific Functions: The contracts should allow for token transfers and transactions and should be capable of handling conditional logic and decision-making procedures. You'll need an understanding of data storage and retrieval in the context of Solana's chain. Given the as yet undefined purpose of the contracts, adaptability and a keen understanding of possible contr...

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    ...elastic, Splunk. Research and Evluate the following Tools for Monitoring, Observability, Realtime User Monitoring, Logging 1. DynaTrace - MQ 2. NewRelic - MQ 3. DataDog - MQ 4. Splunk - MQ 5. 6. elastic 7. Splunk 8. LogRocket - Frontend Only with integrations into other tools The research should be focused on the usage of the following technologies 1. React, React Native, NodeJS - Frontend 2. ExpressJS, NodeJS - Service Layer 2. SpringBoot, Java - Service Layer 3. Azure Technologies - AKS, Azure APIM The Evaluation Report should contain the following information in a detail and elaborate manner 1. Integration with each of the above mentioned techlogies. 2. End to End Monitoring, Observability, Realtime User Monitoring (Frontend to Backend) capabilities. 3. Elaborate ...

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    ...exchanges (DEXes). The project involves creating a smart contract similar to a provided example, with functionalities for automatically executing trades to capitalize on price differences between tokens across DEXes. The ideal candidate should have a strong background in Solidity and familiarity with the Ethereum blockchain, smart contract development, and DEX protocols. *** I already have an existing working code, I need someone to make the necessary changes for my needs. *** Requirements: - Strong experience in Solidity and smart contract development on the Ethereum platform. - Understanding of decentralized exchanges and arbitrage strategies. - Ability to analyze and replicate the functionalities of a provided example smart contract. - Proficiency in developing secur...

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    I'm seeking a FullStack developer proficient in JavaScript, NodeJS, and React Native. This project requires: WE HAVE 6 BUGS IN TOTAL AS OF NOW CLEARLY DOCUMENTED WITH FIXES AND EVERYTHING WE NEED SOMEONE TO START ASAP AND DELIVER IT ASAP , VERY TIGHT DEADLINES WILLING TO PAY AROUND 1K FOR EACH BUG - Identifying and resolving specific bugs that are significantly impacting the functionality of the application. - Ensuring the smooth operation of all aspects after the fixes. - Communicating effectively, providing regular updates on the progress. Experience in debugging and problem-solving within JavaScript, NodeJS, and React Native environments is highly essential. The final product should function seamlessly without any issues. Your attention to detail and results-orient...

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    I'm seeking an experienced blockchain developer to create a sophisticated NodeJS/Python application capable of interfacing with a Ethereum Virtual Machine (EVM) smart contract. The application will communicate with the Scroll network specifically. The main envision functionalities include: - Token Swapping - Yield Farming - Lending - Cross Bridge These elements are integral to the successful completion of the project. Ideal candidates for this project should have: - Extensive experience with NodeJS/Python - Proficiency in working with various DeFi protocols - Understanding and experience in interacting with EVM smart contracts - Knowledge of Scroll Network is a definite plus As the project has an urgent requirement, applicants who are capable of delivering under tim...

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    Node js task 8 hodiny left

    Hello, freelancers I have simple nodejs work which happens on our server. If you are expert in Node, please bid. Only will take 3-4 hours. Thanks.

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    Solidity developper Ukončeno left

    I want duplicate one existing token I have the contract

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    Back-end LMS -- 2 Ukončeno left

    Hi! Hi! I have the detailed the flow of the screens in the photo attached in the project. 3 roles(sutdent, teacher and admin). To have acces to that linked spreadsheet screens with the fow that are detailed in the photo (in same style web app that home-10) lINKS with screens and roles: https://docs.google.com/spreadsheets/d/1Sz4KagkU_VcenA4KL6uW1b79Or6wcPsNsn48-Rv7m8o/edit#gid=0 (FLOW ATTACH... teacher and admin). To have acces to that linked spreadsheet screens with the fow that are detailed in the photo (in same style web app that home-10) lINKS with screens and roles: https://docs.google.com/spreadsheets/d/1Sz4KagkU_VcenA4KL6uW1b79Or6wcPsNsn48-Rv7m8o/edit#gid=0 (FLOW ATTACHED IN PHOTO) HOME DEFAULT (the style all thefrontend) Backend in NodeJS

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    **Description:** We are looking for a skilled freelancer to build a...the platform is secure, reliable, and scalable - Test the platform for usability and performance **Requirements:** - Proven experience in building cryptocurrency exchanges - Strong understanding of blockchain technology and cryptocurrency trading - Experience with integrating third-party APIs, specifically MEXC or BINANCE - Proficiency in programming languages such as Python, JavaScript, or Solidity - Knowledge of security best practices for cryptocurrency exchanges - Ability to work independently and meet deadlines **Preferred Skills:** - Experience with other cryptocurrency exchanges and trading platforms - Knowledge of financial markets and trading strategies - Familiarity with decentralized finance (DeFi)...

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    As a well-established business, we're looking to incorporate an abstract, symbolic logo that reflects our modern and innovative edge. We're in need of a design that distinctly elevates our branding while embodying solidity and progression. Ideal Skills: • Extensive experience in creating abstract and symbolic logos • Aesthetic understanding of modern and innovative designs • Proven track record in escalating business appeal through branding • Strong grasp of color theories, typography, and corporate branding Considering the nature of our business, we would favor those with a deep understanding and a remarkable portfolio in business-centric logo designs. We look forward to seeing your creative ideas that can take our business branding to the next leve...

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    I am seeking an experienced developer for the integration of SMPP v3.4 into an existing Nodejs ReactJS platform. The primary aim of the project is to enable both the sending and receiving of SMS messages. - Developer Requirements: - Experience with SMPP integrations is a must. - The ability to successfully integrate SMPP v3.4. The project's first phase will involve scoping and identifying any potential issues with the proposed integration. Once this has been completed successfully, the development of the sending and receiving functions for SMS messages will begin. Please provide examples of similar integrations you have completed and your level of familiarity with SMPP v3.4 when placing your bid. Thank you.

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    Looking for 40 hours of Full Stack App Support. Will need to be able to take tasks from our app product manager. Technology Stack: - AWS - Azure - GCP - Typescript - Next JS - Graph QL - Postgres - MongoDB **Must be able to connect to a remote session to code and/or use GitHub Codespace. Task Types: - New features and functionality - Bug fixes and updates - UI / UX - API Connections - Load Optimization Project Types: - Social - Travel - Dating - Financial - Blockchain - Ecommerce - Auction - B2B Tools

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    I am looking for a proficient web developer to fix various bugs on my website. The specific details of the bugs I'm experiencing were left unanswered, yet they require an urgent fix. Key Responsibilities: - Diagnose and fix bugs - Improve the overall performance of the website - Implement best practices for error handling Required Skills and Experience: - Strong proficiency in JavaScript, specifically React JS and Node JS - Proven experience in bug fixing and improving website performance - Ability to work independently and efficiently - Good understanding and sensitivity for urgent issues Only freelancers with relevant experience should apply; please include a brief description of your similar past performance improvement projects.

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