I help startups and businesses build production-ready mobile applications for iOS and Android using React Native, TypeScript, Node.js, Firebase, and modern APIs.
4+ Years Experience | 23+ Projects Delivered
Building a mobile app is more than creating screens. Poor performance, unstable APIs, confusing user flows, notification issues, payment bugs, and App Store problems can quickly turn a good product idea into a frustrating experience.
I work across the complete mobile stack, from Figma implementation and React Native development to backend APIs, databases, real-time features, payments, and App Store/Google Play deployment.
What I Can Build
React Native Mobile Apps
* iOS & Android Applications
* Marketplace & Booking Apps
* E-commerce Applications
* FinTech & Crypto Apps
* Social & Chat Applications
* Event & Ticketing Platforms
* SaaS Mobile Apps
* AI-Powered Mobile Apps
* Web3 & Crypto Wallet Apps
Mobile Features & Integrations
* REST API Integration
* Firebase Authentication
* Push Notifications
* Stripe & Payment Gateways
* In-App Purchases
* Real-Time Chat & WebSockets
* Google Maps & Location Services
* Camera & Image Uploads
* Deep Linking
* Social Login
* Offline / Local Storage
* Third-Party SDK Integration
Backend & Web
* Node.js / Express.js
* TypeScript / JavaScript
* MongoDB / PostgreSQL / Firebase
* REST APIs & WebSockets
* React.js / Next.js
* AWS & Cloud Deployment
Selected Projects
Live9 – Event & Booking Platform
Developed a production mobile platform with artist/venue bookings, payments, real-time features, notifications, ticketing, user roles, and scalable backend APIs.
Quick Shop – E-commerce Platform
Built web and mobile shopping experiences with product discovery, ordering workflows, responsive UI, API integrations, and synchronized customer experiences.
Tomi SuperApp
Worked on a production React Native application combining complex mobile functionality, real-time communication, API integrations, secure transactions, and cross-platform deployment.
Noottools Mobile App
Developed a React Native mobile application with secure authentication, complex transaction flows, API integrations, state management, and reusable UI components.
Tech Stack
* Mobile: React Native • TypeScript • JavaScript • Expo • Android • iOS
* Frontend: React.js • Next.js • Tailwind CSS
* Backend: Node.js • Express.js • REST APIs • WebSockets
* Database: MongoDB • PostgreSQL • Firebase • Supabase
* Cloud & Tools: AWS • Docker • Git • Firebase • EAS
* Specialized: AI/LLM APIs • Web3 • Blockchain • Crypto Wallets
Whether you need to build a new mobile app, complete an existing React Native project, fix production issues, integrate APIs, improve performance, or publish your app to the App Store and Google Play, I can help take it from development to production.
Send me your requirements, Figma designs, or existing codebase and let's discuss the best approach.
Blockchain
Blockchain Architecture
Blockchain Development
Ethereum
Smart Contract
Crypto Wallet Development
Crypto Wallet
Decentralized Exchange
DeFi
Smart Contract Development
Web3
Solidity
React Native
Rust
Android
iOS Development
Node.js
Next.js
Fahad S.
Islamabad, Pakistan
$15/hr
5.0
6 jobs
Senior Full Stack Developer & Solution Architect with 8+ years of experience building 200+ production applications across AI, SaaS, fintech, marketplaces, and blockchain. Skilled in Node.js, Next.js, React, TypeScript, Python, FastAPI, PostgreSQL, Redis, Docker, AWS, and Solidity. Contributed to Top 10 globally ranked Web3 products, delivering secure, scalable platforms used by thousands of users.. Over the years, I've contributed to projects with a combined market cap exceeding $500M+ and a community of 20M+ users, including multiple protocols ranked in the Top 100 on CoinMarketCap.
What I've built:
A fully decentralized prediction market like polymarket ranked top 7 globally, featuring AMM-based pricing, public/private pool creation, and a live gaming suite — processing $25M+ in volume
A crypto launchpad ranked top 10 globally that has raised $220M+ for projects worldwide, with tier-based allocations, vesting schedules, and community-driven token launches
A ZK-based privacy protocol that raised $160M+ in presale, enabling selective on-chain data disclosure using zero-knowledge proofs
A multi-chain AI crypto wallet with 50k+ active users, featuring cross-chain swaps, token management, and integrated AI assistance
An AI-powered business automation platform that streamlines operations, customer interactions, and workflow management through intelligent AI agents — bridging Web3 infrastructure with enterprise-grade automation
A Web3 super app with 1M+ downloads, delivering a full DeFi and crypto ecosystem in a single mobile application
My core services:
Smart contract development & auditing (ERC-20, ERC-721, ERC-1155)
DeFi protocol & DEX development
Prediction market platforms (Polymarket-style)
Real World Asset (RWA) tokenization
AI-powered DApp integration (ChatGPT, LangChain, Python ML)
NFT marketplaces & minting platforms
Skilled in Node.js, Next.js, React, React Native, TypeScript, Python, FastAPI, NestJS, Express, Laravel, Go, Solidity, Rust, PostgreSQL, MySQL, MongoDB, Redis, Supabase, Firebase, Docker, Kubernetes, AWS, GCP, Azure, CI/CD, WebSockets, REST, GraphQL, OpenAI, Claude, Gemini, LangChain, MCP, RAG, Vector Databases, n8n, Make, BullMQ, RabbitMQ, Kafka, Ethers.js, Web3.js, Wagmi, Viem, WalletConnect, Hardhat, Foundry, Anchor, Solana, EVM, Figma
I deliver clean, audited, gas-optimized code with full documentation and post-launch support.
Let's build something great together.
Message me to discuss your project.
Blockchain
Blockchain Development
Smart Contract
Solidity
Cryptocurrency
web3.js
DApp Development
Launchpad
React Native
Decentralized Exchange
Node.js
React
Next.js
AI Development
AI Bot
AI Chatbot
Tokenomics
Crypto Wallet Development
Online Gambling Website
Mobile App
Faizan A.
Islamabad, Pakistan
$17/hr
5.0
9 jobs
𝗡𝗲𝗲𝗱 𝗮𝗻 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗦𝗮𝗮𝗦, 𝗺𝗼𝗱𝗲𝗿𝗻 𝘄𝗲𝗯 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻, 𝗼𝗿 𝗪𝗲𝗯𝟯 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗯𝘂𝗶𝗹𝘁 𝘁𝗵𝗲 𝗿𝗶𝗴𝗵𝘁 𝘄𝗮𝘆?
I help startups and businesses build scalable software, from MVPs to production-ready applications with AI automation, modern web technologies, and Web3 solutions.
I'm a Full Stack Developer with 9+ years of experience building modern web applications, SaaS products, AI-powered solutions, automation systems, and Web3 platforms. My focus isn't just writing code, it's delivering solutions that improve business operations, increase efficiency, and scale with your growth.
𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝘄𝗶𝘁𝗵:
• AI Automation & AI Integrations (OpenAI, Claude, Gemini, Ultravox)
• Full Stack Development (Next.js, React, Node.js)
• SaaS Application Development
• REST APIs & Third-Party Integrations
• PostgreSQL, MongoDB & MySQL
• Web3 Development (Smart Contracts, Wallet Integration, DApps)
• Admin Dashboards & Business Portals
• Cloud Deployment & Performance Optimization
𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸
• 𝙁𝙧𝙤𝙣𝙩𝙚𝙣𝙙: Next.js, React, TypeScript, JavaScript, Material UI, Tailwind CSS
• 𝘽𝙖𝙘𝙠𝙚𝙣𝙙: Node.js, Express.js, REST APIs
• 𝘿𝙖𝙩𝙖𝙗𝙖𝙨𝙚: PostgreSQL, MongoDB
• 𝘼𝙄: AI Automation & Integrations (OpenAI, Claude, Gemini, Ultravox, AI Agents, n8n)
• 𝙒𝙚𝙗3: Solidity, Web3.js, Ethers.js, Smart Contracts, Solana, BNB Chain, Robinhood
I focus on writing clean, maintainable code, communicating clearly, and delivering reliable solutions that help businesses grow.
𝗟𝗲𝘁'𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗮𝗻𝗱 𝗯𝘂𝗶𝗹𝗱 𝗮 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 𝘁𝗵𝗮𝘁 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘀 𝗿𝗲𝗮𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝘃𝗮𝗹𝘂𝗲.
Ethereum
Responsive Design
web3.js
React
Mobile Web
Web Development
DApp Development
JavaScript
Email Template Development
AI Agent Development
AI App Development
Automation
Solana
Lead Management Automation
AI Chatbot
AI Bot
AI Content Detection
Crypto Wallet
Cryptocurrency Forking
Cryptocurrency Trading
Khurram S.
Islamabad, Pakistan
$20/hr
4.5
48 jobs
Blockchain Developer | Trading Bots | Smart Contracts & DevOps
As a Senior Blockchain Developer and Trading Bot Developer with 10+ years of experience, I build secure, high-performance smart contracts, DeFi protocols, crypto trading bots, and automated trading systems. I specialize in MEV bots, arbitrage bots, sniper bots, mempool bots, trading signal bots, and DeFi applications, delivering production-ready solutions from architecture and development to testing and mainnet deployment.
My core expertise includes Solidity development on Ethereum and EVM chains, Rust development for Solana, and Python development for crypto trading bots and blockchain automation. I build full-stack Web3 applications, including smart contracts, dApps, DeFi protocols, DEX integrations, trading automation, and AI-powered blockchain systems.
📌 Trading Bots & Algorithmic Trading
I develop crypto trading bots, algorithmic trading systems, MEV bots, arbitrage bots, sniper bots, mempool bots, copy trading bots, and automated trading systems for CEX and DEX environments.
My trading automation expertise includes real-time mempool monitoring, low-latency execution, WebSockets, on-chain trading strategies, and exchange API integrations. I work with CCXT, Binance, Bybit, Web3.py, Flashbots, Solana, Jupiter, and Telegram APIs to build automated trading and alert systems.
📌 Smart Contracts & Blockchain Security
I develop and optimize Solidity and Rust smart contracts for DeFi, tokens, staking, DEXs, and other Web3 applications. My smart contract development workflow includes Hardhat, Foundry, OpenZeppelin, Slither, and Anchor.
I also provide smart contract security reviews, auditing, vulnerability assessment, and gas optimization, with attention to common risks such as reentrancy, access-control issues, integer overflow/underflow, oracle manipulation, front-running, and sandwich attacks.
📌 DeFi, DEX & Protocol Development
I build DeFi protocols, DEX platforms, AMMs, token systems, staking contracts, liquidity systems, and yield farming applications across Ethereum, EVM networks, and Solana.
My experience includes integrations with Uniswap V3, PancakeSwap, Raydium, Jupiter, and other blockchain protocols and liquidity infrastructures.
📌 Full-Stack Web3 & dApp Development
I provide end-to-end Web3 and dApp development, from smart contract architecture and blockchain integration to frontend and backend development.
Frontend technologies include React.js, Next.js, TypeScript, Wagmi, Ethers.js, and Web3.js, with wallet integrations for MetaMask, Phantom, and WalletConnect.
For backend and infrastructure, I work with Node.js, Python, FastAPI, MongoDB, PostgreSQL, REST APIs, WebSockets, Docker, CI/CD, and cloud deployment to build scalable blockchain applications.
🔥 Blockchain Technology Stack
Blockchain: Ethereum, Solana, BNB Smart Chain, Polygon, Arbitrum, Base, Cosmos
Languages: Solidity, Rust, Python, Go, TypeScript, JavaScript
Trading & Automation: CCXT, Flashbots, Web3.py, WebSockets, Mempool Monitoring, Exchange APIs
Smart Contracts: Hardhat, Foundry, OpenZeppelin, Slither, Anchor
Web3: React.js, Next.js, Wagmi, Ethers.js, Web3.js, MetaMask, Phantom, WalletConnect
Backend & DevOps: Node.js, FastAPI, MongoDB, PostgreSQL, Docker, CI/CD, Cloud Deployment
✔ Services I Provide
✔ Crypto Trading Bot Development
✔ MEV Bot Development
✔ Arbitrage Bot Development
✔ Sniper Bot Development
✔ Mempool Bot Development
✔ Solana Trading Bot Development
✔ Jupiter Trading Bot Development
✔ Copy Trading Bot Development
✔ Telegram Trading & Automation Bots
✔ Smart Contract Development
✔ Smart Contract Auditing & Security
✔ Solidity & Rust Development
✔ DeFi Protocol Development
✔ DEX & AMM Development
✔ Token & Staking Contract Development
✔ Web3 & dApp Development
✔ Blockchain API & Exchange Integration
✔ EVM & Solana Deployment
✔ Blockchain Automation & AI Integration
If you need a blockchain developer, Solidity developer, smart contract developer, Web3 developer, DeFi developer, or crypto trading bot developer, I can help turn your requirements into a secure, scalable, production-ready system.
Message me with your project requirements, and let's build it.
Blockchain
Blockchain Architecture
Smart Contract
WordPress e-Commerce
WordPress Theme
React
Angular
Node.js
Amazon Web Services
NestJS
NFT Minting
Web Development
Web Design
Responsive Design
Muhammad W.
Islamabad, Pakistan
$25/hr
4.9
12 jobs
6+ years of experience with EVM chains developing DeFi, staking, swaps, lending, prediction markets, NFT marketplaces, token launches, privacy protocols and web3 games, 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, swaps Rewards, Lending, Prediction markets, NFT marketplaces, Token launches, Token sale logic, vesting
- ERC20, ERC721, ERC1155 and custom token models
- Upgradeable contracts (UUPS / proxy patterns / Diamond Proxy)
- DAO governance structures
- EVM chains (Ethereum, Polygon, Arbitrum, Base, BNB Chain, Fantom etc.)
→ 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
- Solidity, Foundry, Hardhat, Ethers.js, Node.js, React, TypeScript, Web3, Smart Contracts
→ 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 Graphs
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
Hassan R.
Islamabad, Pakistan
$45/hr
5.0
2 jobs
I'm a Web3 developer experienced in building blockchain applications on different chains (EVM, SOLANA, FLOW, EOSIO ). I can assist you anywhere in Web3 space including NFT Marketplaces, Minting websites, Smart Contracts or anything related to Crypto – I can help!
I can Lead/Manage/Assist your team from the beginning of the project till its success.
Let's Build Together!!
Blockchain
Blockchain Architecture
Blockchain Development
Ethereum
Smart Contract
Node.js
NFT Minting
NFT Marketplace
React
Web Development
MERN Stack
NFT Collection Generation
Tokenomics
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