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  • $35 hourly
    • 5.0/5
    • (23 jobs)
    Greetings! I'm Goran Vukadinovic, a freelance developer based in Obrenovac. With expertise in C++, C#, HTML, CSS, JavaScript, and React, I specialize in creating dynamic and engaging desktop acpplication and also a senior web developer. As a detail-oriented professional, I am committed to delivering high-quality solutions that meet client requirements. Whether it's crafting desktop applications, implementing web applications, or optimizing performance, I strive for excellence in every project. With a passion for clean and maintainable code, I ensure that the websites and applications I develop are not only visually appealing but also efficient and scalable. If you're in need of a skilled freelancer to bring your ideas to life and enhance your online presence, I would be thrilled to discuss further. Let's work together to create exceptional digital experiences. Feel free to reach out to me to discuss your project requirements. I look forward to collaborating with you! Best regards, Goran Vukadinovic
    Featured Skill Blockchain
    Smart Contract
    Solidity
    web3.js
    Qt Creator
    HTML
    Angular
    React
    Laravel
    PHP
    JavaScript
    Node.js
    Java
    C#
    C++
  • $40 hourly
    • 5.0/5
    • (5 jobs)
    👋 Hi there! Nice to meet you! I’m a highly skilled AI & BLOCKCHAIN & FULL STACK Developer with years of experience building secure, scalable, and advanced solutions. I specialize in Web3 DApps, Telegram Bots, and AI agents, delivering tailored, high-quality results across major blockchain ecosystems like Bitcoin, Ethereum, Solana, XRPL, Sui, Cardano, TON, and Tron. Whether you’re launching a DEX, DeFi platform, crypto trading bot, or an intelligent AI agent, I’m here to bring your vision to life. 🌟 What I Offer: 🥇Blockchain Development ✔Smart Contracts: Solidity, Rust, Move, Tact, FunC, Web3.js, Ethers.js, WAGMI, GraphQL ✔DEX & DeFi: Pancakeswap, Uniswap, Sunswap, Tapswap, Pump Fun, PumpSwap, Move Pump, Dex Aggregator, Camelot, GMX, Raydium, Presale, Launchpad, Farming, Staking, Lottery ✔On-Chain Analysis: Transaction data, Trading view, Bonding curve, token metrics, and user insights via Subgraph, Web3, and APIs 🥇Bot & AI Agent Development ✔Custom Bot: Volume Bot, Holder Bot, Trending Bot, AI Trading Bot, Monitor Bot - all with seamless Telegram integration ✔AI Agent: Intelligent automation with ChatGPT integration, AI16Z Eliza, Virtuals Protocol and advanced prompt engineering for analytics and user interaction 🥇Full-Stack Expertise ✔Languages & Frameworks: React, Next.js, Python, Redux, Tailwind CSS, Node.js, Express, AWS, MongoDB, SQL ✔DevOps: GitHub, GitLab ✔Additional Skills: C, C++, PHP, Tauri, CodeIgniter 👍 Why Choose Me? ✔Proactive Innovation: I stay ahead by researching and adopting the latest in blockchain, AI, and full-stack tech. ✔Quality First: I focus on delivering reliable, high-quality projects that align with your goals. ✔Tailored Solutions: From secure DeFi platforms to high-performance bots and AI agents, I customize every solution to your needs. 🚀 Let’s Build Together! Got an exciting idea or project? Whether it’s a DeFi ecosystem, a crypto bot, or an AI agent for smarter automation, I’d love to hear from you. Let’s connect and turn your vision into reality with top-tier expertise and commitment.
    Featured Skill Blockchain
    Web Application Development
    Artificial Intelligence
    Bot Development
    Full-Stack Development
    Web3
    Layer 2 Blockchain
    Cryptocurrency Trading
    Blockchain Architecture
    Cryptocurrency
    Crypto Wallet Development
    Crypto Exchange Platform
    Blockchain, NFT & Cryptocurrency
    Blockchain Platform
    Blockchain Development
  • $40 hourly
    • 5.0/5
    • (4 jobs)
    I specialize in a diverse field of blockchain technologies, including EVM & Solana & COSMOS chains, dApp & Bot development. 1. Blockchain networks EVM(Ethereum, Polygon, Avalanche, Arbitrum), Solana, COSMOS 2. dApp development * Expertise on token presale/launch platform * Solidity on Hardhat, Foundry * Solana Program with Anchor framework * React, NextJS for frontend * web3.js * Node.JS, Python for backend 3. BOT development * Pump.Fun/Moonshot, Raydium/Meteora token launch and buy/sell bots * Can provide script or full service with UI Best Regards, Nikola Mitic
    Featured Skill Blockchain
    Token Standard
    Utility Token
    Next.js
    React
    Tokenomics
    Layer 2 Blockchain
    Blockchain Tokenization
    Blockchain Development Framework
    Web Development
    International Development
    Web Application
    Blockchain Architecture
    NFT
  • $19 hourly
    • 5.0/5
    • (65 jobs)
    Over 25 years of working experience. More than 23 years of experience in project management, including: - IT project management: planning and implementation; - Use of PM tools such as MS Project, Jira, ClickUp... - Business Process Modeling Notation (BPMN); - Development and monitoring of project Key Performance Indicators (KPIs); - Enterprise Architecture: analysis and design; - Business Process Management - modeling and data analysis; - Blockchain and NFT specialist;
    Featured Skill Blockchain
    Business Analysis
    NFT
    Requirements Specification
    Requirement Analysis
    Product Design
    Process Improvement
    Unified Modeling Language
    Project Workflows
    ClickUp
  • $10 hourly
    • 4.9/5
    • (226 jobs)
    In the past few years, I setup several hundreds of Discord servers mainly in WEB 3.0 space. With the experience that I possess, I fully understand what every server needs to have, how to look, which bots to use, and many other things. Also, I was a moderator in Crypto Communities on Discord and Telegram, providing great support to the community, with more than 5 years of experience mainly in Defi and NFT Projects. My services and skills include: 🌟 Discord Server Full Setup Channels + adding special bots (for Verification, Stats Level, Invites by each user, Activity, NFT sales, Twitter Integration, support tickets, etc) ☑️ Moderation of Discord Server (Replying to the question with a good response rate) ✅ Activity 10 hours a day ✔️ I'm a fluent English speaker with satisfactory grammar 💫 Very good knowledge of crypto terminology and his whole system 🔎 Web Research/Data collection/mining about /Cryptocurrencies/Blockchain companies/NFTs ✍️ Excel Expert, Reorganizing Excel tables, input from various databases to Excel table 📑 I am very accurate, precise and I also have great attention to detail 📊 Fundamental analysis of various Cryptocurrencies 💱 Experience in technical analysis for trading I have experience in various crypto projects where I was a support as a virtual assistant, it was mostly about some Data entry/Data mining (research work). With big cryptocurrency experience, I think that I can help any project to grow and be successfully realized in the end. 🌟Before we start I'd love to learn more about your project and see if we could fit with each other - especially with the new communities dealing with ICO and NFT. So in the end, don't waste your time just contact me :) 👥
    Featured Skill Blockchain
    Online Chat Support
    NFT Collection Generation
    Research & Strategy
    Community Moderation
    Cryptocurrency
    Discord Bot Development
    Discord
    Initial Coin Offering
    Data Analysis
    Microsoft Excel
    Data Scraping
    Data Entry
    Data Mining
  • $47 hourly
    • 5.0/5
    • (21 jobs)
    Hi, I'm a Senior Software Engineer, a Blockchain Engineer, and a cryptography expert. I have comprehensive experience not only in blockchain technologies but also in mainstream software development, including Node.js, Express.js, and MongoDB. I would like to help you with your blockchain project, leveraging some of my specialized expertise as listed below. I was the inventor of many innovative techniques, such as autovesting, autoburn, and many other proven ones (you can connect with me to answer any of your questions). Smart Contracts development using Solidity Subgraph indexing using the graph Tokenomics Vesting Web3 integration Unit testing and testing using testnets such as Ropsten and Goerli networks. In-depth knowledge of ERC20 & ERC721 Smart Contracts Deployment to main net using Infura. NFT contract Token/ coin Contract Defi EXchange BEP1155 Hardhat NFT minting Opensea minting Auditing Frameworks & Tools I use: React for UI Node.js Express.js MongoDB Ether JS Hardhat MetaMask Wallet Integration Dapp Defi BSC The graph AWS I use the latest testing techniques, and I can even perform a mainnet fork to test code behavior and interactions with the existing mainnet environment. Let's connect if you are looking for these services, or if you have any questions, or would like to discuss further.
    Featured Skill Blockchain
    Blockchain, NFT & Cryptocurrency
    Solidity
    Blockchain Development
    Blockchain Platform
    JavaScript
    Grafana
    Binance Coin
    React
    MongoDB
    Smart Contract
    Node.js
  • $40 hourly
    • 4.7/5
    • (13 jobs)
    Hello I am a full-stack blockchain developer having a deep technical background and rich work experience in the Blockchain industry. If you need a dedicated and passionate Blockchain developer, I am here to help you with my expertise and rich experience. [My expertise] - Tron Meme Coin (SunPump, SunSwap, Bundling, Volume Bot, Holder Bot, Buy Sell Bot) - Solana Meme Coin (Bundling, PumpFun) - Meme Coin on Ethereum, Base and all EVM with Bundling - Meme Coin, Dex, DeFi dapp on Ton blockchain - Dex (Camelot Dex, Pancakeswap, Uniswap) - Liquid Staking (Lido Fi) - Bitcoin Layer 1 Dex (Rune, BRC20, SRC20) - Bitcoin Layer 2 BVM Dex - Bot (Trading bot, Volume bot, Maker bot) - Staking dapp - Lending and Borrowing dapp - Token and Tokenomics design - ICO and Vesting dapp - Dapp in some Blockchain networks (Terra Classic, Cosmos, Polkadot, Solana) - NFT dapp and smart contract - Launchpad - Crosschain Bridge - Web application development (React.js, Node.js) - Consulting any project idea [My service] - good communication and reply in very short time - keep the budget and timeline perfectly - work at your time zone - update the project process every day - support the project for free 3 months after the project launching I only approve and start working on the project that I am sure 100% I can accomplish without any problem. So I assure you that you will always get perfect results and good support service during work with me. I am always looking forward to working with you. Thanks.
    Featured Skill Blockchain
    Blockchain, NFT & Cryptocurrency
    Cryptocurrency
    web3.js
    Solidity
    NFT
    Smart Contract
    Blockchain Development
    Ethereum
  • $50 hourly
    • 5.0/5
    • (4 jobs)
    I am an experienced blockchain developer with a strong background in developing decentralized applications(dApp) and smart contracts on various blockchain platforms such as EVM(Ethereum, Arbitrum, Binance, Base, Polygon etc), Solana and others. I am proficient in Solidity and Rust, the programming language for Ethereum and Solana smart contracts, and have a deep understanding of blockchain technology and its applications. Skills: - Proficient in smart contract development using Solidity and Rust - Experience with EVM(Ethereum, Arbitrum, Binance, Base, Polygon etc), Solana and other blockchain platforms - Knowledge of blockchain consensus algorithms and protocols - Understanding of Decentralized Finance(DeFi), Crypto Lending/Borrowing, LSD Finance and non-fungible tokens (NFTs) - Familiarity with blockchain development tools and frameworks - Strong understanding of cryptography and security principles in blockchain development Work Experience: - Developed and deployed smart contracts for various decentralized applications on the Ethereum and Solanan blockchain - Conducted code reviews and performed security audits to ensure the reliability and security of smart contracts and dApps - Forked famous many dApps ⚡️ Uniswap V2, V3 (uniswap.org) ⚡️ Pancakeswap V2, V3, Stableswap (pancakeswap.finance) ⚡️ Camelot (DEX, DEX Aggregator, Staking, Earning) (camelot.exchange) ⚡️ Lybra (LSDfi, Auto-Bearing-StableCoin, Staking, Vesting) (lybra.finance) ⚡️ 88mph (88mph.app) ⚡️ Olympus DAO (olympusdao.finance) ⚡️ NFT Minting/Staking/Borrowing/Marketplace I am passionate about blockchain technology and its potential to revolutionize various industries. I am committed to delivering high-quality blockchain solutions that meet the unique needs of my clients. Let's discuss how I can help you with your blockchain development needs.
    Featured Skill Blockchain
    Crypto Wallet Development
    Cryptocurrency Forking
    Crypto Exchange Platform
    DeFi
    Solidify
    Solana
    Ethereum
    Smart Contract Development
    Smart Contract
    Layer 2 Blockchain
    Blockchain, NFT & Cryptocurrency
    Blockchain Development
    Blockchain Platform
    Rust
  • $45 hourly
    • 5.0/5
    • (4 jobs)
    👋 𝐀𝐛𝐨𝐮𝐭 𝐌𝐞 Hello! I'm Nebojsa, a passionate blockchain developer with expertise in 𝐑𝐮𝐬𝐭 𝐚𝐧𝐝 𝐒𝐨𝐥𝐚𝐧𝐚. I specialize in creating innovative solutions in the crypto space, including 𝐦𝐞𝐦𝐞 𝐜𝐨𝐢𝐧𝐬, 𝐍𝐅𝐓 𝐟𝐢𝐞𝐥𝐝𝐬, 𝐃𝐀𝐩𝐩𝐬, and cutting edge ares like 𝐟𝐨𝐫𝐤𝐢𝐧𝐠 𝐧𝐞𝐰 𝐜𝐡𝐚𝐢𝐧𝐬 𝐚𝐧𝐝 𝐚𝐢 𝐚𝐠𝐞𝐧𝐭𝐬. My goal is to build secure and efficient blockchain applications that stand out in the market! 🚀 💼 𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫 Meme Coin Development: Designing and launching engaging meme coins that capture community interest and drive market trends and provide 𝐯𝐨𝐥𝐮𝐦𝐞 & 𝐡𝐨𝐥𝐝𝐞𝐫 𝐬𝐞𝐫𝐯𝐢𝐜𝐞. 𝐍𝐅𝐓 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Creating robust 𝐬𝐭𝐚𝐤𝐢𝐧𝐠 𝐦𝐞𝐜𝐡𝐚𝐧𝐢𝐬𝐦𝐬 for NFTs, enhancing user engagement and rewards. 𝐃𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Building decentralized applications that provide seamless user experiences and powerful functionality. 𝐅𝐨𝐫𝐤𝐢𝐧𝐠 𝐍𝐞𝐰 𝐂𝐡𝐚𝐢𝐧𝐬: Assisting in forking existing blockchains to create customized solutions tailored to your needs. 𝐑𝐮𝐬𝐭 𝐒𝐦𝐚𝐫𝐭 𝐂𝐨𝐧𝐭𝐫𝐚𝐜𝐭𝐬: Writing secure and efficient smart contracts on the Solana blockchain to ensure optimal performance. 𝐏𝐫𝐞𝐬𝐚𝐥𝐞 & 𝐓𝐨𝐤𝐞𝐧 𝐋𝐚𝐮𝐧𝐜𝐡: Guiding you through the presale process, including tokenomics design and effective marketing strategies. 🛠️ 𝐒𝐤𝐢𝐥𝐥𝐬 Programming Languages: 𝐑𝐮𝐬𝐭, 𝐒𝐨𝐥𝐢𝐝𝐢𝐭𝐲, 𝐓𝐲𝐩𝐞𝐒𝐜𝐫𝐢𝐩𝐭, JavaScript Blockchain Platforms: 𝐒𝐨𝐥𝐚𝐧𝐚, 𝐄𝐭𝐡𝐞𝐫𝐞𝐮𝐦, 𝐂𝐨𝐬𝐦𝐨𝐬, 𝐒𝐮𝐢, 𝐒𝐞𝐢 Tools & Frameworks: Anchor, Serum, Metaplex APIs: RESTful APIs, Web3.js Version Control: Git, GitHub 🌐 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞? 𝐏𝐫𝐨𝐯𝐞𝐧 𝐓𝐫𝐚𝐜𝐤 𝐑𝐞𝐜𝐨𝐫𝐝: I have a history of delivering successful projects that resonate with users and drive community growth. 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲-𝐅𝐨𝐜𝐮𝐬𝐞𝐝: I prioritize building strong communities around projects, ensuring long-term success and user engagement. 𝐂𝐨𝐧𝐭𝐢𝐧𝐮𝐨𝐮𝐬 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠: I stay updated with the latest trends in blockchain technology and actively seek to enhance my skills. 💬 𝐋𝐞𝐭’𝐬 𝐂𝐨𝐧𝐧𝐞𝐜𝐭! If you're looking for a dedicated developer to bring your blockchain vision to life, feel free to reach out! I’m excited to collaborate and create exceptional projects together. 😊
    Featured Skill Blockchain
    web3.js
    Solidity
    MultiChain Platform
    NFT
    Ethereum
    Smart Contract
    Amazon Web Services
    Python
    TypeScript
    Node.js
    Next.js
    React
    Web Development
  • $60 hourly
    • 5.0/5
    • (5 jobs)
    Hi, I am Mileta and I am Web developer and blockchain expert. Although I am pretty young, I can offer great development services, because behind me are good education, work ethics, passion and experience. Main skills that I possess are: - Blockchain Development: EVM, Solana, Bitcoin, Solidity, Smart Contracts, Web3.js, Truffle, ERC-20, BRC-20 - Full-Stack Development: JavaScript (Node.js, React.js, Vue.js), Typescript, Python, MongoDB, Express.js, Next.js, Nest, Postgres, Tailwind, C, C++, Java, Rust - Cryptocurrency Integration: Wallet Development, Payment Gateways, Tokenomics, Compound strategy - Decentralized Applications (DApps): Architecture, Development, Testing, Deployment - Smart Contract Auditing and Security - RESTful APIs, GraphQL - Database Management: SQL, NoSQL - Version Control: Git, GitHub I am pleased to be working with new clients on great new projects See you!
    Featured Skill Blockchain
    MongoDB
    ExpressJS
    Next.js
    Google APIs
    SQL
    GitHub
    React
    Vue.js
    Node.js
    JavaScript
    Python
    Solana
    Bitcoin
    Web Application
  • $50 hourly
    • 5.0/5
    • (0 jobs)
    I am a qualified and skilled Blockchain Developer specializing in EVM, Solana and Cosmos chains. With a deep understanding in blockchain technology and a passion for decentralized applications, I could develop and deploy projects on Ethereum, BSC, Polygon, Solana and Cosmos chains. In addition, I am also familiar with Blockchain architecture and consensus layer technology, so I could give you a wonderful solution to build your own customized blockchain. If you are looking for a Blockchain Developer who excels in EVM, Solana, and Cosmos chains, I would be pleased to discuss how my skill can benefit your organization or project.
    Featured Skill Blockchain
    Database
    React
    C
    Blockchain, NFT & Cryptocurrency
    Smart Contract
    Node.js
    Python
    Java
    C#
    C++
    Golang
    Rust
    Solidity
  • $50 hourly
    • 5.0/5
    • (1 job)
    Hello! 👋 I’m a highly skilled Blockchain, Backend and Full-Stack Website Developer with 7 years of experience creating cutting-edge, scalable solutions for clients across the globe. I’m passionate about combining the best of blockchain technologies and web app with top-tier web development practices to deliver innovative, secure, and user-friendly applications. 👨‍🔬 How I Work: 🥇 Proven Track Record & Guarantee of High Quality Product Delivery 🥇 In-Time Delivery 🥇 100% Client Recommendation 👨‍🔬 Tools & Technologies I Use: ✅Blockchain: 📌 Build Layer1, Layer2 EVM-Compatabile, Evmos, Cosmos, XRPL, Tron Blockchain and Growing Ecosystem. 📌 Seed and Validate Node/Block Explorer/Wallet/Wallet Connect Dapp 📌 Ethereum, Solana, Binance Smart Chain, Arbitrum, zkSync Era, Layer2, OP Stack, Zk Roll-up, EVM-compatible blockchain 📌 Cosmos Blockchain 📌 Evmos(Ethereum + Cosmos), Injective Blockchain 📌 Hedera, Cardano, Aptos, Sui, Tezos, TON, XRP, Bitcoin Blockchain 📌 Polkadot, Substrate Blockchain 📌 FT and NFT development such as ERC20, CW20, SPL, FA2.0, BRC20 with tokenomics 📌 Smart Contract Development 📌 Smart Contract Audit 📌 Wallet, Web3, Web3 API, Frontend Integration ✅Frontend: React.js, Vue.js, Next.js, HTML5, CSS3, JavaScript 📌 Ensuring excellent UI/UX 📌 UI/UX Mockup Figma Design 📌 Follow the Figma Pixel Design 📌 Select the Framework that recommended by client 📌 Project Structure Design that recommended by client 📌 UI/UX/Frontend Update based on user/client feedback ✅Backend: Node.js, Express.js, Python/Django, PHP/Laravel 📌 Web Server Development 📌 High-Performance/Security Web Server Development 📌 Web Proxy Server Development 📌 Streaming/Chat/Voice/Video/Call Server Development such as Telegram, Discord, Airsonic 📌 API/REST API Development 📌 API Integration such as Stripe/Paypal/Facebook/Twitter/Gmail/HubSpot/Web3 and any other third-party APIs 📌 Web Scrapping 📌 High-Performance/Security Backend Development 📌 Data Structure Design 📌 API Structure Design 📌 Performance/Security-Oriented 📌 Uni/Full/Security/Performance Test ✅Database: MySQL, PostgreSQL, MongoDB, Firebase ✅E-commerce Platforms: Shopify, WooCommerce, nopCommerce, Prestashop, Magento, OpenCart ✅Other Tools: Docker, Git, AWS, GCP, DigitalOcean, CI/CD
    Featured Skill Blockchain
    Database
    nopCommerce
    Shopify
    Ecommerce
    DApp Development
    Smart Contract
    Solana
    Solidity
    Ethereum
    NFT
    Node.js
    React
    Web Development
    Rust
  • $40 hourly
    • 5.0/5
    • (1 job)
    Hello! I’m a developer with deep knowledge in AI Agents, AI Chatbot, Blockchain AI solutions, and Full-Stack development with 5+ years of experience. With a unique blend of skills, I’m capable of building robust, secure, and scalable AI and web applications while maintaining optimal server and network performance. I can build various programs which includes AI Agent, AI Chatbot and other AI products. I also have rich experience in building Blockchain solutions combined with AI technology such as Eliza, ai16z and Luna AI agent pump.fun on EVM network and Solana network. My experience in blockchain includes Web3 integrations, developing Smart Contracts on Ethereum, Solana and Ton blockchain. - Core Expertise • AI Agent for Blockchain, AI Voice Agent for health consultation • AI Text Chatbots for Web, Telegram, FB • AI Voice Chatbots for Web - Technical Skills • AI : Eliza/ai16z/Luna AI Agents, Langchain, ChatGPT/OpenAI, RAG, LLAMA, twilio • Full Stack Development: React.js, Next.js, Node.js, Redux, Tailwind CSS, Python, Flask, MongoDB, Postgres • AI focused Blockchain & Web3 integration: Smart Contract (Solidity, Rust, Move, Tact), DApp Development(Trading Bot, DEX, Pump.Fun, DeFi, Token launchpad • CI/CD & DevOps: Git, Docker, Server hosting, AWS, Azure and etc - Programming languages • Python • Rust • JavaScript/TypeScript • Golang • C/C++ • Java • Solidity • Tact
    Featured Skill Blockchain
    Python
    Next.js
    React
    LLaMA
    Twilio
    OpenAI API
    ChatGPT Prompt
    LangChain
    Ethereum
    Solana
    Web3
    AI Chatbot
    AI Agent Development
    Artificial Intelligence
  • $40 hourly
    • 5.0/5
    • (1 job)
    Trusted engineer with 10+ years of experience in Web and Mobile industry. I'm a dedicated full-time web & mobile app developer with 10+ years' developing career. From FRONTEND to BACKEND, or from Web App to Mobile App(including Android and iOS), no matter what your need is, I'll do the best for your satisfaction. ✅ Mobile skills + #1 React Native, Cordova, Flutter, Ionic + Firebase, Firestore, Google Maps + Publishing to Google Play Store and Apple Store ✅ Frontend skills(JS/TS) + #1 React plus Vue, Angular, jQuery + Mobile-First: Ionic, React Native + Next.js, Nuxt.js ✅ Backend skills + #1 Node.js: Express, LoopBack + PHP: CodeIgniter, Laravel + Python(Django & Flask), Ruby(RoR) + MySQL, MongoDB, PostgreSQL with REST API & GraphQL + Cloud(BaaS/PaaS): AWS, Azure, Firebase, Heroku, Render ✅ Management skills + Agile: Atlassian products, Asana, Trello, Jira, MicrosoftTeams + DevOps: Git Flow, Docker, CI/CD, TDD/DDD + Communication: English
    Featured Skill Blockchain
    PhoneGap
    Ionic Framework
    AngularJS
    Django
    Next.js
    Flutter
    Google Maps
    Laravel
    React
    JavaScript
    WordPress
    React Native
    PHP
    Apache Cordova
  • $35 hourly
    • 5.0/5
    • (1 job)
    Welcome to my profile. I'm a blockchain developer especially highly skilled in development of Solana. I have 10 years of full stack development experience and 6 years of blockchain development experience. During that time, I mainly focus on development of high quality, completed producs on time. I developed several large-scaled projects with Solana such as NFT marketplace, Solana blockchain explorer , Solana Decentralized experience and Solana Telegram Mini-apps for the sniping, token tracking, bundling, airdrop functions. With these experience, I want to be your own developer to build the projects according to your requirements and successfully deploy to the live world. My recent service - AI16z token - Solana DEX smart contract Customization - Pump.fun fork - Meme coin sniping - Solana token bundling telegram mini-app - Solana token tracker mini-app - Solana meme coin smart contract - Consultation for the tokenomics My skills - EVM, Solana smart contract development - Pump.fun/Radyium/Meteora API integration - Meme coin telegram mini-app development - AI16z token with integration of social media platform - Ethereum DEX using Uniswap V3/V2 - Solana DEX using Radyium Router - Solana ICO / Token Presale - Bitcoin Ordinal - Rune - BRC-20, DRC-20 - Airdrop - DAO Governance - LLM / ChatGPT / Llama - LangChain - RAG - Prompt engineering
    Featured Skill Blockchain
    AI App Development
    AI Agent Development
    Python
    Bitcoin
    Crypto Exchange Platform
    Next.js
    Node.js
    Web Scraping
    Solidity
    Smart Contract
    Rust
    Ethereum
    Solana
  • $40 hourly
    • 5.0/5
    • (1 job)
    I'm innovate and passionate developer who can deliver high-quality, scalable solutions in blockchain world🚀. Technical Skills: - Crypto-currency, NFT tokenomics - web3.js for diverse chains - Node.js, Python backend - React, Next frontend - Token launchpad platforms powered by AI Why Hire Me? ✅ Client satisfaction is top priority ✅ Passionate on new ideas ✅ Excellent communication ✅ Fast & high quality deliver ✅ Strong expertise in blockchain networks such as Solana, Ethereum, BSC, XRPL I love Blockchain world, let's build something amazing together 🚀 Plus I have some expertise on video streaming, video encoding/transcoding 😃 Thank you
    Featured Skill Blockchain
    web3.js
    Cryptocurrency Trading
    Blockchain Tokenization
    Token Standard
    Tokenomics
    Crypto Exchange Platform
    Cryptocurrency
    FFmpeg
    Web Development
    NFT Collection Generation
    NFT
    Video Stream
    Blockchain Architecture
    Blockchain Development
  • $85 hourly
    • 4.7/5
    • (6 jobs)
    With 14 years of experience in software architecture and backend development, I specialize in building scalable systems using Node.js, Rust, and Go. My expertise extends to AI, working with LLMs (LangChain, OpenAI, DeepSeek, and various models) to develop advanced AI-driven applications, including AI bots. In the blockchain space, I have hands-on experience developing smart contracts for Bitcoin, Ethereum, and Solana, ensuring secure and efficient decentralized solutions. I bring a deep understanding of distributed systems, cryptography, and Web3 protocols. I am passionate about delivering high-performance solutions, whether it's designing robust backend architectures, integrating AI into applications, or developing innovative blockchain-based systems. Key Skills: ✅ Software Architecture & Backend Development (Node.js, Rust, Go) ✅ LLM Development & AI Bots (LangChain, OpenAI, DeepSeek) ✅ Smart Contracts & Blockchain Development (Bitcoin, Ethereum, Solana) ✅ Scalable Systems & Distributed Computing Let’s build something amazing together! 🚀
    Featured Skill Blockchain
    Smart Contract Development
    Solidity
    Ethereum
    API
    PHP
    Node.js
    Golang
    Rust
    C
  • $35 hourly
    • 5.0/5
    • (41 jobs)
    Highly experience UI/UX web and mobile application designer. ✅ 15 years in Website, SaaS, B2B and Mobile App Design ✅ Top skills with Figma, Adobe XD, Photoshop and other popular software ✅ Responsive design for mobile, tablet, and desktop screens ✅ Dashboard, SaaS, B2B platforms ✅ Cyber security ✅ Blockchain, Crypto, Cryptocurrency, NFT, Market ✅ Experience working with US startups "Srdjan is really a top man - provided us with excellent responsive templates. The new pages look very professional and state of the art. This was not the first job, on which we have worked together. Will definitely work again with Srdjan, when next project is due. Keep up the good work!" − Alexander Schuch ★★★★★ −−−−−−−−−−− Studied at 'The University of Architecture,' Novi Sad I'm offering you excellent design service, speaking fluent English, a quick response to your messages, and of course, a design that will satisfy all your needs.
    Featured Skill Blockchain
    Cryptocurrency
    UX & UI
    Figma
    Mobile App
    Mobile App Design
    Mobile UI Design
    Web Design
    User Interface Design
    Adobe XD
    User Experience Design
  • $27 hourly
    • 5.0/5
    • (3 jobs)
    My background includes expertise in computer science fundamentals, such as advanced algorithms, data structures, low-level programming, computational complexity, and operating systems. My main areas of interest are: web development (building full-stack solutions, complex UI-s), backend services, web3 cryptography, dApps I am proficient in a wide range of technologies, including: JavaScript | TypeScript | Java | Python | C | C++ | C# | React | Next.js | jQuery | Bootstrap | Tailwind CSS | Styled Components | Material-UI (MUI) | Emotion | EJS | Webpack | HTML | CSS | Sass | Redux | Shadcn | Node.js | Express.js | Nest.js | GraphQL | Meteor.js | MongoDB | PostgreSQL | Redis | DB2 (SQL) | React Native | Flutter | Docker | Google Cloud Platform | Google’s App Engine | DigitalOcean | Firebase | GitLab CI/CD | Git | GitHub | Bitbucket | Swagger / OpenAPI | Postman | Jest | Mocha | Chai | OAuth 2.0 | JSON Web Tokens (JWT) | OWASP security practices | Linux (Ubuntu | Mint) | Windows | Solidity, Mongoose, Joi,
    Featured Skill Blockchain
    Serbian
    Data Entry
    English to Serbian Translation
    CSS
    Software Development
    Blog Writing
    Drawing
    HTML
    Serbian to English Translation
    TypeScript
    Solidity
    C++
    C
    Flutter
    React
    Web Application Development
    NestJS
    ExpressJS
    Next.js
    Web3
    MongoDB
    Node.js
    JavaScript
  • $50 hourly
    • 5.0/5
    • (4 jobs)
    ⭐️⭐️⭐️⭐️⭐️ ‘Vladislav was pivotal to our project for 2 years. His technical brilliance and ability to grasp business concepts have made a significant impact. His charismatic energy is a bonus. We eagerly anticipate his involvement in our future projects.’ This feedback is just a glimpse into my track record of success - you can find more testimonials and recommendations on my LinkedIn profile. If you don't know me from there, read overview bellow. Hello! I'm Vladislav Maksimovic, a versatile Full Stack Engineer with a strong background in various tech stacks and leadership roles. I hold a Master's degree in Computer Science from the University of Novi Sad, Serbia, where I also honed my skills as a teaching fellow. Over the years, I've proven my skills in multiple professional environments, ranging from startups to established companies. I've played key roles in launching new offices, leading teams, and accelerating business growth. I am particularly proud of my contribution at JSGuru, where I led a team of over 6 developers and helped the office grow its revenue in the first nine months. I excel in various languages and technologies, including JavaScript, TypeScript, NodeJS, NestJS, ReactJS, NextJS, Flutter, MySQL, MongoDB, C++, Go, Python, Java, Solidity, Blockchain, and more. I'm also well-versed in Scrum and Agile methodologies, Domain Driven Design (DDD), Test Driven Development (TDD), DevOps, and am proficient in both relational and non-relational databases. Whether you're seeking technical expertise, team leadership, or strategic vision for your projects, I'm confident that my broad skillset and substantial experience make me an excellent fit. I'm eager to bring my dedication and innovative problem-solving approach to your project. Let's create something exceptional together!
    Featured Skill Blockchain
    Microservice
    Back-End Development
    Solidity
    API Development
    NestJS
    Web Application
    ExpressJS
    JavaScript
    Front-End Development
    Amazon Web Services
    Next.js
    TypeScript
    React
    Node.js
  • $60 hourly
    • 2.5/5
    • (6 jobs)
    I'm a Blockchain Engineer with 5 years of experience in developing DeFi and DEX, NFT marketplaces on Ethereum and other EVM-compatible networks, smart contract development in Rust language on Solana & Stellar network, and in Move language on Aptos/Sui network. I also have expertise in publishing customized chains using Cosmos SDK and Tendermint Core, building parachains using Substrate framework in Dotsama ecosystem and building Bitcoin ordinals.
    Featured Skill Blockchain
    Ethers.js
    ExpressJS
    Vue.js
    Angular
    React
    Truffle
    Solidify
    Django
    Next.js
    Golang
    web3.js
    Rust
    Node.js
    Blockchain Architecture
  • $40 hourly
    • 0.0/5
    • (0 jobs)
    Hello! My name is Denis Maksuti and I am a seasoned blockchain developer with a wealth of experience spanning three years in the industry. My expertise encompasses a diverse range of technologies, making me a versatile asset in the ever-evolving landscape of blockchain development. With proficiency in Rust, Solidity, React.js, Node.js, HTML, CSS, Typescript, C++, Ethereum, and Solana, I demonstrate a comprehensive understanding of both backend and frontend development frameworks crucial in blockchain projects. My fluency across these languages and platforms enable me to seamlessly navigate complex challenges and deliver robust solutions tailored to clients' needs. Beyond my technical prowess, I am distinguished by my exceptional personal traits. I exhibit a strong commitment to continuous learning, staying abreast of the latest advancements in blockchain technology to ensure my skills remain cutting-edge. My proactive approach to problem-solving and meticulous attention to detail are reflected in the high-quality deliverables he consistently produces. Whether it's developing smart contracts on Ethereum, building decentralized applications on Solana, or implementing blockchain solutions using C++, my expertise and dedication position me as a trusted partner for clients seeking top-tier blockchain development services on Upwork.
    Featured Skill Blockchain
    Next.js
    MongoDB
    Solana
    Ethereum
    TypeScript
    Blockchain Architecture
    Solidity
    Rust
  • $25 hourly
    • 5.0/5
    • (1 job)
    👋 Hi, there!, I am Lazar - Your Full Stack | Blockchain Developer! Thank you for stopping by my profile! If you are looking for someone to take your project to the next level, you are in the right place. With over several years of experience and a genuine passion for technology, I am dedicated to delivering innovative solutions tailored just for you 🚀 What I Can Do for You I specialize in creating responsive, dynamic websites and applications using the latest technologies. Whether it's building a sleek front-end with React or Angular or developing a robust back-end with Node.js or PHP, I am always ready. 🛠 My Tech Skills: ✅ Blockchain: Smart Contract/Solidity/Rust, Ether.js, Solana/Web3, CCIP, CCTP, DeFi ✅ Frontend: HTML, Javascript/Typescript, CSS3/TailwindCSS, React/Redux/Saga, Next.js, Angular, TypeScript/Javascript, MUI ✅ Backend: Node.js, Express.js, NextJS, PHP, Python, Laravel, CI, ✅ Database: MongoDB, MySQL, PostgreSQL, Firebase ✅ Mobile Development: React Native, Flutter ✅ Cloud & DevOps: AWS, Digital Ocean, Docker ✅ Version Control: Github/Gitlab 🚀 Why Work With Me? ✅ Problem Solver: I love tackling challenges and finding creative solutions. ✅ Full-Cycle Development: From idea to launch, I handle every step of the process. ✅ Quality Focused: I ensure clean, efficient code and thorough testing for bug-fee results ✅ Timely Delivery: I respect deadlines and keep your project on track. 🤝 Let's collaborate! Whether you need a custom website, a mobile app, or anything in between, I am here to help bring your vision to life. Don't hesitate to reach out, let's create something amazing together!
    Featured Skill Blockchain
    Solidity
    Web3
    Solana
    Smart Contract
    Mobile App Development
    React Native
    Flutter
    PHP
    Laravel
    MERN Stack
    MongoDB
    Node.js
    React
    Web Development
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    Skilled Web & Blockchain Engineer with over 6 years of experience designing, developing, and deploying scalable web applications and blockchain solutions. Proficient in modern front-end and back-end web technologies, as well as various blockchain eco-system and web3 technologies. Technical Expertise: - Frontend: Proficient in HTML5, CSS3, JavaScript, and modern frontend frameworks such as React.js, Next.js, Angular, and Vue.js. Skilled in building responsive and interactive user interfaces using best practices and modern design patterns. - Backend & CMS: Extensive knowledge of server-side programming languages and frameworks, including PHP/Laravel/CodeIgniter, Wordpress/Shopify, Python/Django/Flask, or Node.js/ExpressJS. Experienced in designing and developing RESTful APIs and implementing server-side logic to support seamless communication between the frontend and backend components. - Database Management: Strong understanding of various database management systems, such as MySQL, PostgreSQL, MongoDB, or Oracle. Skilled in database design, query optimization, and data modeling. - Full-Stack Proficiency: Well-versed in both frontend and backend development, allowing me to seamlessly integrate and synchronize the various components of a web application. Capable of handling end-to-end development tasks, including user authentication, data processing, and system integration. - Blockchain Architecture and Development: Designed and implemented decentralized applications (dApps) on leading blockchain platforms like Ethereum, Binance Smart Chain, and Solana. Developed secure and efficient smart contracts using Solidity/Truffle/Hardhat, Rust/Anchor, ensuring compliance with industry standards. - Tokenomics and Cryptocurrency Development: Created fungible and non-fungible tokens (ERC-20, ERC-721, ERC-1155) and implemented token standards for various use cases, including DeFi, gaming, and loyalty programs. Engineered complex tokenomics models to ensure sustainable economic structures in decentralized ecosystems. Conducted audits of token contracts to optimize security and prevent vulnerabilities. - Decentralized Finance (DeFi): Designed and deployed DeFi protocols, including staking/farming platforms, decentralized exchanges (DEXs), Crypto launchpad(ICO, IDO, IGO), and lending/borrowing platforms. Integrated liquidity pools and automated market maker (AMM) mechanisms for seamless token swaps. Implemented governance mechanisms through DAO smart contracts for community-driven decision-making. - Blockchain Infrastructure and Security: Established blockchain nodes and maintained networks for both public and private blockchains. Conducted rigorous smart contract audits using tools like MythX, Slither, and manual analysis to identify and fix vulnerabilities. - Cross-Chain Solutions: Developed cross-chain bridges to enable interoperability between blockchains. Leveraged Cosmos SDK or Polkadot Substrate to build interoperable blockchain ecosystems. - Web3 Integration: Integrated Web3.js or ethers.js to build intuitive front-end interfaces for dApps. Enabled wallet connectivity (e.g., MetaMask, WalletConnect) for smooth user onboarding. - DevOps and Deployment: Experienced in using Docker for containerization, AWS or Azure for cloud-based deployments, and CI/CD pipelines (e.g., Jenkins, GitLab CI) to automate the build, test, and deployment processes. - Version Control: Proficient in utilizing Git for version control, including branching, merging, and resolving conflicts. Familiar with popular code repository platforms like GitHub or Bitbucket. Previous Experience Highlights: - Successfully led the development and launch of several kinds of web projects that demonstrated my ability to architect complex web applications and deliver them within deadlines while maintaining high code quality and scalability. - Collaborated with cross-functional teams, including UX/UI designers, product managers, and QA engineers, to ensure seamless project execution and deliver exceptional user experiences. - Developed and implemented efficient algorithms and data structures to optimize application performance and response time. As a Senior Software Developer, I am committed to delivering innovative and high-quality solutions that meet the needs of users and drive business growth. I am excited to contribute my skills and experience to your organization and help bring your web development projects to fruition.
    Featured Skill Blockchain
    Node.js
    Laravel
    PHP
    Hardhat
    Rust
    Solidity
    Smart Contract Development
    web3.js
    Next.js
    React
    Front-End Development
    Back-End Development
    Web Application
    Web Development
  • $25 hourly
    • 5.0/5
    • (5 jobs)
    As a seasoned AI/ML Solutions Architect and Intelligent Process Automation Specialist with over eight years of expertise, I excel in designing and implementing cutting-edge AI solutions that integrate machine learning, data science, and automation frameworks. My core competencies include developing enterprise-grade AI architectures, leading cross-functional teams in deploying scalable ML solutions, and leveraging cloud platforms like AWS, Azure, and Google Cloud to drive business growth through AI-powered tools such as LangChain and TensorFlow Extended. *******I DO WHAT I COMMIT AND I COMMIT WHAT I CAN DO******* 👉 What I Offer: As a seasoned AI/ML Solutions Architect and Intelligent Process Automation Specialist, I offer: ✔Expertise in designing and implementing enterprise-grade AI architectures using TensorFlow, PyTorch, and cloud platforms (AWS, Azure, GCP). ✔Proficiency in leveraging cutting-edge tools like LangChain for NLP and TensorFlow Extended for end-to-end ML pipelines. ✔Experience with big data technologies like Hadoop, Spark, and Apache Kafka for processing large-scale datasets. ✔In-depth knowledge of MLOps practices, ensuring seamless integration of AI solutions into existing IT infrastructure. ✔Expertise in advanced AI technologies such as natural language processing, computer vision, and reinforcement learning. *******I DO WHAT I COMMIT AND I COMMIT WHAT I CAN DO******* 👉 Key Skills: ✔Data Science & Analytics : Data Preprocessing, Statistical Modeling, Exploratory Data Analysis(EDA), PowerBI, Tableau, Hadoop, Apache Spark, Apache Kafka, SnowFlake, R, SQL. ✔AI Frameworks and Libraries : TensorFlow, Keras, PyTorch, Scikit-learn, Hugging Face, NLTK, LlamaIndex, SpaCy, OpenCV, Yolov8and so on. ✔Natural Language Processing (NLP) : Tokenization, Sentiment Analysis, Word/Sentence Embeddings, Text Classification, Text Generation, Conversational AI, Speech-to-Text, Retrieval-Augmented Generation. ✔Computer Vision : Image Classification/Segmentation, Object Detection/Recognition, GAN-based image synthesis, AI-powered Image Generation. ✔Automation Platform : Make.com, Zapier, N8N. ✔Web and Mobile Application Development : JavaScript/TypeScript Frameworks, React Next.js, Node.js, Express.js, Django, Python/FastAPI/Flask, MongoDB, MySQL, PostgreSQL, React Native, Flutter, Kotlin, Swift, Android, iOS, Google Play Store, App Store. *******I DO WHAT I COMMIT AND I COMMIT WHAT I CAN DO******* 👉 Why Work With Me? I offer a comprehensive development approach and ensure that your project is not only functional but also scalable and user-friendly. My focus is on providing solutions that meet your business goals and increase user satisfaction. I always provide you seamless, reasonable and reliable development approach to meet deadline. If you are looking for an experienced developer, I am here for you. *******I DO WHAT I COMMIT AND I COMMIT WHAT I CAN DO*******
    Featured Skill Blockchain
    Python
    Data Science
    Chatbot
    Predictive Analytics
    MERN Stack
    iOS
    iOS Development
    Android
    Objective-C
    Kotlin
    Flutter
    Swift
    React Native
    Smart Contract
  • $60 hourly
    • 0.0/5
    • (1 job)
    With over 8 years of experience, I have an extensive background in blockchain technologies and development, ensuring comprehensive support from tokenomics design to launch and management. 1. Token & Presale & Staking - Developed presale websites and smart contracts. - Created tokens, including Tax tokens, Liquidity Fee tokens, and Real World Asset (RWA) tokens. - Managed token staking, airdrops, and token launchpads. - Successfully listed coins on CoinMarketCap (CMC) and CoinGecko. - Launched tokens on various platforms, such as Uniswap, PancakeSwap, SunSwap, SuiSwap, and DeDust. - Developed real estate tokens. 2. Bots & Token Utilities - Created volume, holder, trending, and trading bots. - Developed token analytics tools. - Facilitated immediate token migration from Pumpfun to Raydium. - Implemented Moonshot to Raydium and first buy at launch features. - Enhanced token trending scores on Dexscreener using various utilities. 3. DApp & DeFi - Developed Web3 games like CoinFlip, Blackjack, Tap to Earn, Hamster Kombat, and P2E games. - Built cross-chain bridges, decentralized exchanges (DEX), Hyperlane Bridge, Layer Zero, and utilized AxelarJS SDK. - Created Bitcoin Ordinal, Fractal DApps, Runes, NFT marketplaces, and IPFS integrations. 4. Web3 Integration - Integrated various wallets like Metamask, Unisat, Xverse, Xumm, Keplr, Hashpack, and Wallet Connect. - Utilized Node.js and Web3 for integration. - Developed both frontend and backend systems. - Integrated crypto payment solutions. 5. Supported Blockchains - Bitcoin (Ordinal) - Ethereum - Solana - Aptos - Ton - Tron - Sui - Cosmos - XRPL - Cardano - Fantom - Polygon - zkSync - Hedera - Injective - Fractal - Pumpfun - Moonshot
    Featured Skill Blockchain
    TypeScript
    JavaScript
    Rust
    Solidify
    React
    DApp Development
    Ethereum
    Solana
    Ecommerce Website
    NFT
    Full-Stack Development
    Web3
    Smart Contract
    Smart Contract Development
  • $45 hourly
    • 0.0/5
    • (0 jobs)
    From a young age, I was captivated by how things worked. Whether it was taking apart household devices to understand their mechanisms or experimenting with circuits and machinery, I always had a natural curiosity for engineering. This fascination grew into a passion, guiding me toward a career where problem-solving, innovation, and technical expertise are at the forefront. I have spent years developing my skills in mechanics, electronics, and system analysis. Through hands-on projects, technical studies, and self-driven learning, I have gained a strong foundation in troubleshooting, design, and optimization. My ability to think critically and approach challenges with a solution-oriented mindset allows me to tackle complex engineering problems efficiently. Beyond technical skills, I value teamwork and effective communication. Engineering is not just about calculations and blueprints—it’s about collaboration, creativity, and turning ideas into reality. Whether working independently or in a team, I always strive for precision, efficiency, and innovation. Now, I am eager to take the next step in my journey by applying for an engineering position where I can apply my knowledge, continue learning, and contribute to meaningful projects. With a strong work ethic, a passion for technology, and a commitment to excellence, I am ready to embrace new challenges and make a lasting impact in the engineering field.
    Featured Skill Blockchain
    Flutter
    DApps
    DeFi
    Coinbase API
    NFT Marketplace
    Django
    Python
    React
    Next.js
    Solana
    Ethereum
    Rust
    Solidity
    Smart Contract
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