Hire the Best Blockchain Developers in Islamabad, PK

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Based on 387 client reviews
Muhammad K.

Islamabad, Pakistan

$13/hr
4.1
4 jobs

I help businesses build full-stack products and AI-powered automation systems that reduce manual work, remove operational bottlenecks, and improve execution. My work combines application development, backend engineering, API integrations, and chatbot automation into systems that are practical, scalable, and aligned with real business workflows. Instead of treating development and automation as separate pieces, I build solutions where the product, the backend, and the workflow layer work together properly. I can help with full-stack web applications, backend APIs, admin dashboards, internal tools, AI automation, chatbots, Telegram bots, WhatsApp bot workflows, scraping systems, browser automation, and custom SaaS development. I also work on improving existing applications, fixing unstable integrations, and turning manual processes into reliable automated systems. My core stack includes Node.js, NestJS, React, JavaScript, TypeScript, MongoDB, PostgreSQL, REST APIs, Docker, Puppeteer, and Playwright. My approach is simple: understand the business problem, design the right technical solution, and deliver clean, dependable, production-ready systems. If you need a developer who can handle both software development and automation with a strong backend mindset, I would be glad to help.

  • Full-Stack Development
  • Node.js
  • React
  • TypeScript
  • JavaScript
  • API Integration
  • REST API
  • Automation
  • Chatbot Development
  • Web Scraping
  • Puppeteer
  • MongoDB
  • PostgreSQL
  • Docker
  • NestJS
  • Telegram API
  • AWS Lambda
  • ExpressJS
  • Scripting
Mughira A.

Islamabad, Pakistan

$45/hr
5.0
10 jobs

I’m Mughira Ahmed, CEO of Mkaits Technologies — a registered IT firm specializing in delivering high-quality, scalable, and future-ready solutions. Since 2019, we’ve helped clients worldwide build products that range from MVPs to enterprise-level platforms. What We Do Best Blockchain & Web3 Development – Smart contracts (ERC20/BEP20/NFT), DeFi, DEX/CEX clones, staking, bridges, and blockchain infrastructure. AI & Machine Learning – Custom AI chatbots, NLP solutions, recommendation engines, and data-driven automation. Mobile App Development – Cross-platform apps using Flutter & React Native, native iOS/Android, app store deployment. Full-Stack Development – MERN/Next.js, Node.js, Django, scalable APIs, database architecture. Metaverse & 3D – Unity-based virtual experiences, AR/VR integrations. Why Clients Choose Me & Mkaits Technologies End-to-End Delivery: From wireframing to deployment. Scalable Solutions: Architected for growth from day one. Transparent Communication: Regular updates & milestone-based reporting. Proven Team: 20+ skilled developers & designers under Mkaits Technologies!

  • Blockchain Development
  • App Development
  • Web Development
  • PHP
  • Laravel
  • Blockchain, NFT & Cryptocurrency
  • Artificial Intelligence
  • Machine Learning
  • Bot Development
  • Software Development
  • Web3
  • CRM Development
  • Cybersecurity Monitoring
  • Decentralized Exchange
  • DeFi
Muhammad W.

Islamabad, Pakistan

$25/hr
4.9
7 jobs

I build smart contracts and Web3 systems that are meant to go live, not stay in testing. Most of my work involves handling real user flows, real transactions, and systems where mistakes are expensive. That’s why I focus heavily on security, edge cases, and clean architecture instead of just writing code that “works”. I’ve worked across DeFi protocols, DAO systems, token launch platforms, and full-stack dApps, contributing from contract design all the way to backend and integrations. What I Work On → Smart Contracts (Solidity) - Staking, rewards, vesting, token sale logic - ERC20, ERC721, and custom token models - Upgradeable contracts (UUPS / proxy patterns) - DAO governance structures → Security and Contract Design - Reentrancy protection and safe fund handling - Access control and permission design - Gas optimization (storage, execution efficiency) - Writing and testing with Hardhat and Foundry → Web3 Backend Systems - Node.js and Express APIs - Contract integrations and transaction flows - On-chain and off-chain data sync - Event handling and system design → Advanced Work - Chainlink oracle integrations - ECDSA signature verification - Zero-knowledge integrations (ZK-based systems) - Data indexing with The Graph How I Work → I don’t just code features, I design systems → I think in terms of failure cases, not just happy paths → I keep contracts simple, readable, and secure → I communicate clearly and stick to delivery timelines Experience I’ve contributed to multiple production-level Web3 products, including: → DeFi systems with staking and reward distribution → DAO governance platforms → Token-based ecosystems and launchpads → Applications used by active users, not just test deployments Why Clients Work With Me → Strong focus on security and correctness → Practical understanding of DeFi mechanics → Clean and scalable architecture → No overpromising, just solid delivery Let’s Talk If you need someone who can build reliable smart contracts and Web3 systems without shortcuts, feel free to reach out.

  • Blockchain
  • Blockchain Architecture
  • Blockchain Development
  • Ethereum
  • Smart Contract
  • Solidity
  • web3.js
  • JavaScript
  • CSS 3
  • Node.js
  • React
  • DevOps
  • AWS Lambda
  • Cryptocurrency
  • Python
Muhammad U.

Islamabad, Pakistan

$25/hr
5.0
8 jobs

Welcome, and thank you for visiting my profile! I’m a Full-Stack Software and Mobile App Developer with 10+ years of experience in Blockchain, Mobile Apps, and Software Development. I specialize in crafting innovative, scalable, and high-performance solutions that empower businesses to succeed in today’s competitive market. I focus on clear communication, meeting deadlines, and delivering high-quality results that meet your goals. Key Skills: ▪️ Blockchain & NFT Development: Smart contracts, DApps, and NFT marketplaces. ▪️ Software Development: Reliable and scalable solutions tailored to your business needs. ▪️ Web App Development: Feature-rich and responsive web applications. ▪️ Mobile App Development: Native and cross-platform apps for iOS and Android. ▪️ UI/UX Design: User-friendly, visually engaging interfaces using tools like Figma and Adobe XD. ▪️ Brand Identity Design: Cohesive visuals that leave a lasting impression. What I Offer: I provide a full range of development services, ensuring each project is crafted to meet your unique needs: ➜ Blockchain & NFT Development: From tokenomics design to developing smart contracts and launching fully operational DApps, I deliver secure, scalable blockchain solutions. ➜ Mobile & Web App Development: I build cross-platform apps tailored for iOS, Android, and web platforms, ensuring high performance and seamless functionality. ➜ UI/UX Design: Enhance user engagement with intuitive, aesthetically pleasing designs that prioritize usability and interaction. ➜ Branding & Visual Design: Create a strong brand identity and design stunning websites that resonate with your target audience. Why Choose Me? ➜ Over 10 years of professional experience delivering successful projects. ➜ Always meet deadlines and deliver quality work. ➜ Clear and friendly communication throughout the project. ➜ Focused on understanding your needs and making your vision a reality. Take a look at my portfolio to see examples of how I’ve helped clients achieve their goals with creative and high-quality development. Let’s build something amazing together! Send me a message here on Upwork, and let’s discuss how I can help make your project a success.

  • Blockchain
  • Blockchain Development
  • Ethereum
  • Web3
  • Blockchain, NFT & Cryptocurrency
  • Blockchain Platform
  • NFT Marketplace
  • Solidity
  • JavaScript
  • Solana
  • Smart Contract Development
  • MERN Stack
  • Layer 2 Blockchain
  • Blockchain Development Framework
  • React
Muhammad Musab A.

Islamabad, Pakistan

$25/hr
5.0
1 jobs

I have contributed to AI and blockchain platforms used by 𝟮𝟮𝗠+ 𝘂𝘀𝗲𝗿𝘀 𝘄𝗼𝗿𝗹𝗱𝘄𝗶𝗱𝗲, helping startups and fintech companies build scalable applications, trading platforms and production-ready systems that perform reliably beyond launch. ✔𝟳+ 𝘆𝗲𝗮𝗿𝘀 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 ✔𝟲𝟬+ 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 ✔ 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 𝘀𝗰𝗮𝗹𝗲𝗱 𝘁𝗼 𝗺𝗶𝗹𝗹𝗶𝗼𝗻𝘀 𝗼𝗳 𝘂𝘀𝗲𝗿𝘀 𝗴𝗹𝗼𝗯𝗮𝗹𝗹𝘆 ✔𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗮𝗰𝗿𝗼𝘀𝘀 𝗔𝗜, 𝗳𝗶𝗻𝘁𝗲𝗰𝗵, 𝘁𝗿𝗮𝗱𝗶𝗻𝗴 𝗮𝗻𝗱 𝗯𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗲𝗰𝗼𝘀𝘆𝘀𝘁𝗲𝗺𝘀 I specialise in building high-performance systems where scalability, reliability and execution speed are critical. This includes AI automation platforms, decentralised applications, crypto wallets and trading infrastructure similar to modern derivatives and prediction market platforms such as Hyperliquid, dYdX and Polymarket. I work closely with founders as a 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗽𝗮𝗿𝘁𝗻𝗲𝗿, helping design scalable architecture and production systems from early MVP through to large-scale deployment. 🏆 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 • AI Automation and Intelligent Systems • Blockchain and Fintech Platforms (EVM, Base and Solana) • Trading Platforms and Market Infrastructure • Web and Mobile Product Development • Scalable Backend and Cloud Infrastructure 🚀 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱 𝗔𝗜 𝗮𝗻𝗱 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 • AI assistants and chatbot integrations • OpenAI and LLM integrations • Agent-based automation workflows • AI analytics dashboards and decision systems • Automated trading and market execution systems 𝗧𝗿𝗮𝗱𝗶𝗻𝗴 𝗮𝗻𝗱 𝗠𝗮𝗿𝗸𝗲𝘁 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 • Perpetual futures and derivatives platforms • Prediction market applications • Orderbook and liquidity-based trading systems • Copy trading and automated execution engines • Real-time market data and pricing systems 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗮𝗻𝗱 𝗙𝗶𝗻𝘁𝗲𝗰𝗵 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 • Smart contracts and token infrastructure • Non-custodial crypto wallets • DeFi and decentralised exchange integrations • Multi-chain systems across Ethereum, Base, BSC, Polygon and Solana • Secure decentralised applications 𝗪𝗲𝗯 𝗮𝗻𝗱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 • SaaS platforms and startup MVPs • React and Next.js applications • Cross-platform mobile apps using React Native • Backend APIs and scalable cloud deployments 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗮𝗻𝗱 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 • Dockerised environments • CI/CD pipelines and automated deployment • Cloud scalability and monitoring • Performance optimisation under load ✅ 𝗥𝗲𝗰𝗲𝗻𝘁 𝗜𝗺𝗽𝗮𝗰𝘁 • Reduced smart contract gas costs by 𝟯𝟬%+ • Contributed to platforms serving 𝗺𝗶𝗹𝗹𝗶𝗼𝗻𝘀 𝗼𝗳 𝘂𝘀𝗲𝗿𝘀 𝗴𝗹𝗼𝗯𝗮𝗹𝗹𝘆 • Delivered investor-ready MVPs for funded startups • Built high-volume trading and automation systems • Developed real-time analytics platforms 🧠 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 𝗥𝗲𝗮𝗰𝘁 • Next.js • Node.js • TypeScript • Python 𝗢𝗽𝗲𝗻𝗔𝗜 • APIs • AI Agents • Automation Systems 𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆 • Web3.js • Ethers.js 𝗠𝗼𝗻𝗴𝗼𝗗𝗕 • PostgreSQL • Docker • Cloud Deployment 🤝 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 Most developers optimise for launch day. I optimise for what happens months later when user load increases, markets become volatile and systems must continue operating reliably. My focus is building resilient systems that remain stable under real user demand, trading activity and evolving product requirements. 📩 𝗜𝗳 𝘆𝗼𝘂 𝗮𝗿𝗲 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗮 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝘁𝗵𝗮𝘁 𝗻𝗲𝗲𝗱𝘀 𝘁𝗼 𝘀𝗰𝗮𝗹𝗲 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝘆, 𝗹𝗲𝘁’𝘀 𝘁𝗮𝗹𝗸. 𝗦𝗸𝗶𝗹𝗹𝘀: #FullStackDeveloper #AIIntegration #AIAutomation #ArtificialIntelligence #MachineLearning #LLMIntegration #OpenAIAPI #AIAgents #AIChatbots #AIWorkflows #BlockchainDevelopment #Web3Development #SmartContracts #Solidity #EVMDevelopment #DeFiDevelopment #CryptoWalletDevelopment #DecentralizedApps #DAppDevelopment #MultiChainDevelopment #EthereumDevelopment #SolanaDevelopment #PolygonDevelopment #BSCDevelopment #TradingPlatformDevelopment #CryptoTradingPlatform #AlgorithmicTrading #AutomatedTrading #TradingBots #OrderbookSystems #FintechDevelopment #FinancialSoftware #PredictionMarkets #MarketDataSystems #RealTimeDataProcessing #ReactDevelopment #NextJSDevelopment #NodeJSDevelopment #TypeScriptDevelopment #PythonDevelopment #APIDevelopment #BackendDevelopment #CloudDeployment #DockerContainers #CICDPipelines #MicroservicesArchitecture #ScalableSystems #SaaSDevelopment #StartupMVPDevelopment #HighPerformanceSystems

  • Blockchain Development
  • Ethereum
  • Smart Contract
  • Cryptocurrency
  • JavaScript
  • React
  • Node.js
  • NFT Marketplace
  • Blockchain Development Framework
  • ChatGPT API Integration
  • SaaS Development
  • OpenAI API
  • Python
  • Automation
  • Artificial Intelligence
  • DApps
  • Angular
  • Solidity
  • MultiChain Platform
  • Project Management
  • Solana
  • Layer 2 Blockchain
Awais R.

Islamabad, Pakistan

$10/hr
5.0
8 jobs

What I Build ✔ AI Chatbots (Web, WhatsApp, Telegram, Instagram, Facebook, Discord, Custom Apps) • GPT-powered conversational agents • RAG chatbots with LangChain, FAISS, Chroma • Knowledge-base & document-aware Q&A bots • Sales, lead qualification & support chatbots • Appointment booking & CRM-connected bots • Multi-agent conversational systems ✔ AI Voice Agents (Vapi, Retell, Twilio) • Human-like voice bots • Outbound/inbound call agents • Appointment setters, support agents • API-triggering voice workflows ✔ AI Automation & Workflows • n8n, Makecom, Zapier, Pipedream, Airtable • CRM automations (HubSpot, GHL, Zoho, Notion, ClickUp) • Custom API workflows (Python / Node.js) • Email/SMS/WhatsApp notifications • Data extraction,LLM, ETL & backend automations ✔ Full Stack / DevOps • FastAPI, Node.js, Express • Docker, Railway, Vercel, Render • Webhooks, REST APIs, OAuth • Real-time dashboards & admin panels What Makes My Work Different • I build production ready systems not prototypes. • My chatbots are context aware, reliable and deeply integrated with your tools. • I communicate clearly and deliver fast. • Every solution is custom-built, not template-based. • I ensure every bot can take real action,update CRMs, schedule meetings, fetch data, trigger workflows, and more. Technologies I Use AI Models: GPT-4o, Claude 3.7, Gemini 2.5 Pro, Llama 3/4 AI Tools: LangChain, RAG, Pinecone, FAISS, Chroma Platforms: WhatsApp, Telegram, Discord, Instagram, Website Voice: Vapi, Retell, Twilio Automation: n8n, Make, Zapier, Airtable Backend: Node.js, FastAPI, Python CRM: GHL, HubSpot, Zoho, Notion, ClickUp DevOps: Docker, Railway, Render, GCP/AWS Types of Systems I’ve Built • Social media automation bots (Twitter/X, Instagram, LinkedIn) • WhatsApp business support chatbot • E-commerce support assistant • Real estate voice + chat agent • Multi-agent AI workflow system • Custom GPT-powered helpdesk • Appointment booking & lead qualification bots ✨ Let’s Build Something Powerful If you need an AI chatbot, voice agent, or automation workflow that actually performs message me. Your idea → My engineering → A system that runs 24/7.

  • Chatbot Development
  • OpenAI API
  • Bot Development
  • Automation
  • Artificial Intelligence
  • Generative AI
  • ChatGPT
  • AI Chatbot
  • GPT Chatbot
  • API Development
  • Python
  • API Integration
  • n8n
  • Make.com
  • Zapier

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Cost to hire a Blockchain Developer

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