Freelance Blockchain Developers in PunjabFreelance Blockchain Developers in Punjab
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Hammad Ehsan Ullah's avatar
Hammad Ehsan Ullah
Gujranwala, Pakistan
AI Engineer | Full-Stack Engineer I Blockchain Developer
AI Engineer | Full-Stack Engineer I Blockchain Developer
Cover image for DeFi Liquidity Protocol — Smart
DeFi Liquidity Protocol — Smart Contract Development A decentralized finance (DeFi) protocol enabling seamless token swaps, liquidity provision, and yield farming with secure smart contracts and intuitive user experience. Platform Features: Automated Market Maker (AMM) with dynamic pricing Multi-chain support (Ethereum, Polygon, Arbitrum, BSC) Liquidity pools with concentrated liquidity (Uniswap V3 style) Yield farming with reward distribution Governance token staking Advanced charting and price feeds Wallet integration (MetaMask, WalletConnect, Rainbow) Smart Contracts: Solidity development with ERC-20, ERC-721 standards Uniswap V2/V3 compatible architecture Gas-optimized code (~40% reduction) Comprehensive security testing & audits OpenZeppelin standard library integration Frontend & Backend: React/Next.js frontend with Wagmi & RainbowKit Node.js backend for indexing & analytics Real-time price feeds & market data PostgreSQL for transaction history TheGraph subgraph for on-chain data queries WebSocket connections for live updates Infrastructure: Docker containerization AWS deployment with auto-scaling CI/CD pipelines (GitHub Actions) Monitoring & alerting systems Tech Stack: Solidity, Web3.js, Ethers.js, React, Next.js, Node.js, TypeScript, PostgreSQL, Docker, AWS This project demonstrates expertise in DeFi protocols, secure smart contract development, blockchain integration, and scalable architecture.
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Cover image for VulnGuard AI - Smart Contract
VulnGuard AI - Smart Contract Vulnerability Scanner VulnGuard AI is an AI-powered smart contract security auditing platform that automatically detects vulnerabilities, security risks, and code quality issues in blockchain smart contracts. The platform leverages machine learning to identify patterns across thousands of contracts and provide actionable security recommendations. Built with Python, LLMs, and production-grade backend APIs for Web3 integration. Key Features: Automated vulnerability detection Machine learning-based pattern recognition Real-time security scanning Detailed risk reports with remediation guidance EVM-compatible blockchain support API integration for developer workflows This project demonstrates full-stack expertise in AI/ML, backend systems, blockchain security, and product development.
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Cover image for Just shipped IAmAlwaysHere (IASH) -
Just shipped IAmAlwaysHere (IASH) - a full-stack social networking platform built for scalable, modern digital communities. 🚀 I worked across the product-from frontend experiences and backend architecture to APIs, authentication, database integration, and core social features. Building IASH meant solving the challenges that come with real social platforms: scalable architecture, smooth user experiences, secure user flows, responsive interfaces, and maintainable full-stack systems. What I worked on: → Full-stack application architecture → Modern responsive frontend → Backend APIs & business logic → Authentication & user management → Database design & integration → Social networking features → Performance & scalability I’m currently open to working with startups, founders, and teams building SaaS, social platforms, AI-powered products, and complex web applications. If you're turning an ambitious product idea into a production-ready platform, let's connect. #FullStackDeveloper #WebDevelopment #SoftwareEngineering #SaaS #Startup #ReactJS #NextJS #NodeJS #WebApp #ProductDevelopment #FreelanceDeveloper #contra
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Cover image for IAmAlwaysHere (IASH) — Full-Stack Social Networking Platform
IAmAlwaysHere (IASH) — Full-Stack Social Networking Platform
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Blockchain Developer(2)
Ammar Haider's avatar
Ammar Haider
Lahore, Pakistan
Web(Full Stack) I Blockchain I DevOps
Web(Full Stack) I Blockchain I DevOps
Cover image for Guarda Wallet
Guarda Wallet
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Cover image for Trust Wallet
Trust Wallet
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Cover image for Buy Bitcoin & Crypto | Crypto Exchange, App & Wallet
Buy Bitcoin & Crypto | Crypto Exchange, App & Wallet
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Cover image for NFT Auto Minter / Auto Generator
NFT Auto Minter / Auto Generator
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Blockchain Developer(6)
Nauman Khan's avatar
Nauman Khan
proRawalpindi, Pakistan
AI Architect | SaaS, Voice AI & Automation
$1k+
Earned
9
Followers
AI Architect | SaaS, Voice AI & Automation
Cover image for Web3 DeFi Wallet App | React Native · Token Send & Swap
Web3 DeFi Wallet App | React Native · Token Send & Swap
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Cover image for AI Instagram Comment Auto Reply System
AI Instagram Comment Auto Reply System
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Cover image for Multi-Agent Client Onboarding System
Multi-Agent Client Onboarding System
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Cover image for Heartly Matchmaking App Development
Heartly Matchmaking App Development
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Blockchain Developer(1)
Murtaza Asghar's avatar
Murtaza Asghar
Lahore, Pakistan
Senior software engineer
New to Contra
Senior software engineer
Cover image for I worked as the Full
I worked as the Full Stack Engineer on Solareum https://solareuml1.io/ , a Layer 1 blockchain platform that connects renewable-energy generation data with on-chain records through its patent-pending Proof of Generation® mechanism. Solareum is a Layer 1 blockchain platform that records renewable-energy generation data through its Proof of Generation® mechanism. I worked as the Full Stack Engineer, developing dashboard workflows for energy production, consumption, export, battery storage, carbon savings, connected devices, wallet activity, and blockchain tools. My work covered the dashboard, application services, serverless infrastructure, database integration, Web3 functionality, and deployment workflows. I can help you build: - Responsive Next.js dashboards - Real-time energy and IoT analytics - Device connection and management workflows - Web3 wallets and transaction history - Token funding, transfers, and exchange features - Blockchain explorer integrations - DEX and NFT bridge interfaces - Serverless Node.js APIs with AWS Lambda - MongoDB data models and integrations - Automated CI/CD pipelines I have the shipped the following features: - Renewable-energy generation tracking - Energy exported and consumed metrics - Battery storage analytics - Carbon savings reporting - Three-second dashboard data updates - Minute, hourly, daily, monthly, quarterly, and yearly views - Global network map and energy leaderboard - Powerwall and IoT device management - Wallet funding, transfers, and exchange - Transaction history - Block explorer - Decentralized exchange - NFT bridge - Proof of Generation records - On-chain energy data retention - Dual-token and reward ecosystem - ESG and environmental impact reporting Skills used - Full-stack web development - Next.js development - Node.js backend development - Serverless architecture - Web3 application development - Blockchain dashboard development - REST API integration - MongoDB database development - Data visualization - IoT device integration - Responsive UI development - CI/CD implementation Tools and technologies - Next.js - Node.js - AWS Lambda - MongoDB - CI/CD - JavaScript - Web3 - Blockchain APIs - Data visualization libraries
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Cover image for Sonetra AI | Immersive Wellness App & Web Experience
Sonetra AI | Immersive Wellness App & Web Experience
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Cover image for I developed MLM Protect https://mlmprotec.com/,
I developed MLM Protect https://mlmprotec.com/, a business management platform with an administration dashboard, CRM functionality, product management, reporting, email campaigns, distribution-center management, and commission workflows. MLM Protec is a business-development and administration platform for managing MLM operations. The system combines member management, product administration, sales reporting, commission workflows, inventory, distribution centers, email campaigns, merchants, and fraud controls in one dashboard. The application includes: -Sales and membership dashboards - Affiliate and customer management - Administrator roles and departments - Product catalogs and collections - Enrollment packages - Inventory management - Distribution centers - Merchant management - Commission and payout reports - Country, rank, sales, and fraud reports - Email templates and broadcasts - Fraud-management tools - API integrations - Responsive administration screens I can build the frontend, backend APIs, database structure, administrative workflows, and deployment setup for your MLM, CRM, e-commerce, or business-management application. Skills used - Full-stack web development - CRM development - MLM software development - E-commerce development - Admin dashboard development - Database design - REST API development - API integration - Responsive web design - State management - Reporting and data visualization - Role and administrator management Tools and technologies - React - Redux - JavaScript - Node.js - ExpressJS - MongoDB - Spring Data MongoDB - NGINX - API integration - Database design - Responsive design
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Cover image for I worked as a full-stack
I worked as a full-stack software engineer on Mifu (https://mifu.io/), an AI influencer marketing platform for brands and creators. The product handles campaign planning, creator discovery, outreach, contracts, content approval, reporting, invoices, and creator payments. The application uses AWS Amplify, AWS AppSync GraphQL, Amazon Cognito, API Gateway, and Stripe. I worked across the frontend, backend, authentication, data flows, API integrations, and cloud infrastructure. I have worked on the following features: - Brand, creator, and team accounts - Role-based access - Subscription tiers - Seat limits - Creator-search quotas - Campaign-spend fees - Enterprise plans - Custom CRM integrations - White-label options Skills used - Full-stack SaaS development - Multi-sided marketplace development - AWS cloud integration - GraphQL API development - Authentication and authorization - Role-based access control - Database and data-flow design - Payment integration - Workflow automation - Creator search and filtering - Campaign management systems - File-upload workflows - Analytics dashboards - Responsive frontend development - API testing and debugging - Production deployment Tools and technologies - Next.js - React - AWS Amplify - AWS AppSync - GraphQL - Amazon Cognito - AWS API Gateway - Stripe - Vercel - Amplitude - Segment - Sentry - Chakra UI -REST APIs
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Blockchain Developer(1)
Usama Imran's avatar
Usama Imran
Lahore, Pakistan
Full-Stack AI Developer |Agentic AI • Product Design & UI/UX
Full-Stack AI Developer |Agentic AI • Product Design & UI/UX
Cover image for ELYSIUM - An Ethereum Compatible Blockchain Built on Substrate
ELYSIUM - An Ethereum Compatible Blockchain Built on Substrate
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Cover image for AMFI is a Web3 platform
AMFI is a Web3 platform that fuses AI- powered automation with the Metaverse and DeFi. It offers intelligent trading bots, AR/VR meta-commerce, and decentralized financial services like staking and a dedicated DEX. By combining these technologies, it creates a seamless ecosystem for automated wealth management and immersive digital interaction.
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Cover image for CDC Home Inspections. We developed and
CDC Home Inspections. We developed and currently manage this specialized inspection ecosystem, built on the MERN stack and Firebase for real-time sync. We integrated Google Maps API to fetch precise house locations and Stripe for secure billing. Our team provides ongoing monthly maintenance to ensure peak performance. The platform bridges the gap between onsite inspections and reporting, providing a high-signal, low-friction tool that eliminates legacy noise and slashes report turnaround times by 60%.
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Cover image for AI-Powered Video Generation Tool Development
AI-Powered Video Generation Tool Development
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Blockchain Developer(1)
Zain Hassan's avatar
Zain Hassan
Kallar Kahar, Pakistan
Flutter Expert: Delivering Top-Quality Apps
9
Followers
Flutter Expert: Delivering Top-Quality Apps
Cover image for Cross-Platform Decentralized Finance App Development
Cross-Platform Decentralized Finance App Development
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Cover image for Just built my first app with FlutterFlow and wow! In under a...
Just built my first app with FlutterFlow and wow! In under a day, I created a functional two-screen app with Firebase integration. Login Screen: Email/password authentication using Firebase Auth Home Screen: Seamless navigation after login, complete with a secure logout function FlutterFlow made the entire process incredibly intuitive, from UI design to backend connectivity, without writing a single line of code. It’s amazing how quickly you can bring an idea to life while still leveraging powerful tools like Firebase. If you're curious about low-code Flutter development or want to build fast prototypes without sacrificing functionality, give FlutterFlow a try!
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Cover image for Employee Management System
Employee Management System
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Cover image for E-commerce Application
E-commerce Application
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Blockchain Developer(1)