I hired Kehinde a year ago for a small WordPress task to test out his skills, And oh boy did he deliver. In fact so much i have trusted him with all the development of my startup - Founder, wellnessplus.
Fullstack developer, Telegram Bot, Blockchain project manager & developer, Blockchain Game developer, Fullstack blockchain & smart contract Dapp engineer & auditor.
I am an excellent and passionate MERN full stack block chain developer.
✅Skills & tooling:
🏆Front-end 🏆
✔ React.js, Redux, Zustand
✔ TypeScript
✔ Styled-component, Tailwindcss
✔ Material UI, Ant Design, BootStrap, HTML, CSS, Canvas
✔ Wordpress
🏆Back-end 🏆
✔ JavaScript - Node.js, Express.js
✔ PHP - Laravel, WordPress
✔ TypeScript
✔ MySQL & MongoDB - Prisma
✔ Telegram bot
✔ Wordpress
🏆Blockchain🏆
✔ Swap, Liquidity, Staking, Farming, bridge forking Pancakeswap, Uniswap
✔ Solidity, blockchain game
✔ Smart Contract, Token, NFT, ERC20, BEP20, TRC20, ERC721, ERC1155, EIP2535, Upgradeable smart contract
✔ Blockchain monitor
✔ Web3.js, ethers.js, Hardhat, Mocha, Chai, Brownie
✔ Wordpress
✅ 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐎𝐟𝐟𝐞𝐫𝐞𝐝:
✔ Presale Launchpad Development
✔ Decentralized Applications (dApps)
Initial DEX Offerings (IDO) | Initial Coin Offerings (ICO) | Security Token Offerings (STO)
✔ Smart Contract Development, testing & Auditing
✔ NFT Minting & Marketplace Solutions
✔ Tokenization & Digitization of real-life asset - custom ERC20, ERC721, ERC1155
✔ Tokenized & Digitization of Real Estate Platforms
✔ DeFi Applications
✔ Staking & Lending Platforms
✔ Yield Farming Protocols & Liquidity Mining Solutions
✔ Decentralized Exchanges (DEX) & Centralized Crypto Exchange Development
✔ Advanced Trading Platforms
✔ Governance Token Solutions & DAO(Decentralized autonomous organization)
✔ Peer-to-Peer (P2P) Lending & Borrowing Protocols
✔ Proficient in Hardhat for deploying & managing blockchain applications across Ethereum test & production environments
✔ Tokenomics Design & Strategy
✔ Development of Decentralized Autonomous Organizations (DAOs)
✔ Exchange Development (CEX | DEX)
✔ Blockchain Whitepaper Writing
✔ Trading Bot Development
✔ Telegram Bot Development
✔ Wordpress development
🔒 Security & Sustainability: I prioritize building secure & reliable solutions designed to stand the test of time. Your peace of mind is always my top priority.
✨ Why Choose Me?
I go beyond delivering solutions—I build lasting partnerships. Driven by a passion for innovation and a commitment to excellence, I help my clients succeed in the digital age.
Let’s turn your vision into something extraordinary. Contact me today, and let’s bring your ideas to life!
Ethereum
Blockchain
Blockchain Development
Smart Contract
Blockchain, NFT & Cryptocurrency
Solidity
Web3
React
Ethers.js
ExpressJS
Node.js
JavaScript
NFT
DApp Development
Full-Stack Development
Chidiuso Christopher I.
Lagos, Nigeria
$32/hr
5.0
12 jobs
✅ Value-Driven - I focus on delivering value regardless of any issues that may arise
✅ Big On Feedback - My clients are always kept in the loop
✅ Product-Centric - Before building, I ask 'why?' in order to improve product offerings. No one needs software, users would not use
I have over 6 years of experience with Python, PHP, javaScript, Django, flask, PHP, Kafka etc.
I have built products like complex data pipelines, complex websites, Rest Apis, Microservices, WebSocket based apps etc.
Ethereum
Blockchain Architecture
Python
SQL
Flask
Solidity
JavaScript
Kubernetes
PHP
Microservice
Docker
Django
Golang
DevOps
OKTA
Symfony
Tim O.
Lagos Island, Nigeria
$45/hr
5.0
4 jobs
Blockchain Developer & Smart Contract Engineer | 7+ years building Web3 platforms. Founder of Luxen Labs. 40+ production-ready projects including DeFi protocols, NFT marketplaces, token launchpads, and AI-integrated dApps that processed millions in transactions.
I help Web3 startups and enterprises launch secure, scalable blockchain solutions,from smart contracts to complete dApps. Whether you're building a DeFi protocol, NFT marketplace, or token launchpad, I deliver audit-ready code that ships on time and performs under real-world conditions.
Recent Results:
- Fairlaunch Solana Launchpad: Delivered seamless token presales and staking system with $500K+ in early transactions
- Paal AI Integration: Built blockchain-powered AI features that processed 10M+ on-chain interactions
- Gambit Markets: Launched sports betting platform handling 50K+ predictions with zero downtime
- Delivered scalable solutions for Adrise AI, MicroGPT, and 35+ other Web3 projects
What I Deliver
Smart Contract Development
✅ Solidity (Ethereum, Polygon, BSC, Arbitrum, Optimism) – ERC-20/721/1155, DeFi protocols, gas optimization
✅ Rust (Solana, Anchor) – SPL tokens, high-performance dApps, Solana program development
✅ Move (Aptos, Sui) – Next-gen blockchain development for emerging L1s
Security-first development with audit readiness built in from day one
DeFi & Tokenomics
✅ Staking platforms, liquidity pools, yield farming protocols
✅ Token launches with custom vesting, distribution, and governance
✅ DEX integrations, AMM protocols, cross-chain bridges
Economic modeling and tokenomics consulting
NFT & Digital Assets
✅ Full-featured NFT marketplaces with royalties, metadata, and trading
✅ Minting engines, launchpads, and reveal mechanics
✅ GameFi integrations, NFT staking, dynamic NFTs
✅ ERC-721, ERC-1155, and Solana NFT standards
Frontend & Web3 Integration
✅ Modern, responsive Web3 UIs: React, Next.js, TypeScript, Tailwind CSS
✅ Wallet integrations: MetaMask, Phantom, WalletConnect, Coinbase Wallet
✅ Smart wallet implementation (ERC-4337), embedded wallets for seamless onboarding
✅ Real-time blockchain data visualization and dApp dashboards
Backend & Infrastructure
✅ Scalable API development: Node.js, Go, Python
✅ Database architecture: PostgreSQL, MongoDB, Redis, Firebase
✅ Cloud deployment: AWS, Vercel, Railway with CI/CD pipelines
✅ Blockchain infrastructure: RPC nodes, indexers, event listeners
Payment & On-Ramps
✅ Fiat-to-crypto integrations: Stripe, MoonPay, Transak, Banxa
✅ Multi-payment solutions for Web3 products
✅ Subscription models and recurring crypto payments
AI + Web3
✅ Trading bots with automated strategies across DEXs
✅ AI-powered market analysis and prediction models
✅ Smart automation for blockchain workflows
Why Clients Choose Me
✅ Audit-Ready Development – Every line of code is written with security as priority #1. I follow industry best practices, implement comprehensive testing, and design contracts that pass professional audits.
✅ End-to-End Execution – From product architecture to mainnet deployment, I handle the full development lifecycle. You get a partner who understands both the technical and business sides of Web3.
✅ 40+ Successful Launches – I've shipped production applications that handle real transactions, real users, and real capital. My code has processed millions in on-chain value.
✅ Partnership Mindset – Your success is my success. I treat every project with the care and attention it deserves, offering strategic guidance beyond just coding.
✅ Communication & Transparency – Clear updates, honest timelines, and proactive problem-solving. I keep you informed every step of the way.
Tech Stack
- Smart Contracts: Solidity, Rust, Move, Hardhat, Foundry, Anchor, OpenZeppelin
- Frontend: React, Next.js, TypeScript, JavaScript, Tailwind CSS, Material-UI
- Backend: Node.js, Python, Go, Express.js, REST APIs, GraphQL
- Web3 Libraries: Ethers.js, Web3.js, viem, @solana/web3.js, WalletConnect SDK
- Blockchain Platforms: Ethereum, BSC, Solana, Arbitrum, Optimism, Aptos, Sui
- Databases: PostgreSQL, MongoDB, Redis, Firebase, Supabase
- DevOps & Tools: AWS, Docker, Git/GitHub, CI/CD pipelines, Vercel, Railway
- Testing & Security: Hardhat test suites, Foundry fuzzing, Slither, MythX, Aderyn
Services I Don't Offer
To maintain quality and focus, I don't work on:
- Copy/paste template contracts without customization
- Projects without clear scope or budget
- Illegal or unethical blockchain schemes
Let's Build Your Web3 Vision
Whether you're launching a DeFi protocol, building an NFT marketplace, creating a token launchpad, or need a trusted blockchain architect for your startup, I'm here to help you ship secure, scalable products that perform.
Ready to start?
📩 Click "Invite" or send me a message.
-
Blockchain Development, Web3 Developer, Smart Contract Developer, Solidity Developer, Rust Developer, Move Developer, Ethereum Developer, Solana Developer, DeFi Developer, NFT Development, Smart Contract
Ethereum
Blockchain
Node.js
TypeScript
React
Next.js
JavaScript
Cryptocurrency
Rust
Solidity
web3.js
Ethers.js
Smart Contract Development
API Development
Web Development
Chukwubuikem O.
Port Harcourt, Nigeria
$30/hr
5.0
4 jobs
I am a Senior Full-Stack Developer with strong focus on backend systems and blockchain development. I build reliable, scalable applications for startups and businesses that need clean architecture and long-term stability.
I work across stacks, but my main strength is backend engineering and smart contract development. I design systems that handle complex logic, data integrity, and secure interaction between on-chain and off-chain components. I also build mobile applications using React Native and modern web interfaces when required.
What I Do
- Build full-stack applications with a backend-first approach
- Design and develop scalable APIs and backend services
- Write and integrate smart contracts
- Build blockchain-enabled systems with off-chain indexing
- Develop mobile apps using React Native
- Implement payments, rewards, orders, and role-based access
- Optimize performance, reliability, and data flow
Tech Stack
Backend
- Bun, Node.js, NestJS, Express, Hono
- Postgres, MongoDB, Redis
- REST APIs and GraphQL
Frontend
- React, Next.js
- Tailwind CSS
- React Native for mobile apps
Blockchain
- Solidity, Rust (Anchor, CosmWasm, Soroban)
- Foundry, Hardhat
Deployment
- VPS, AWS, Vercel, Cloudflare
- Docker, PM2, Nginx
Experience
- Built full-stack platforms with complex backend logic
- Developed blockchain applications with off-chain data syncing
- Created mobile and web apps used in production
- Designed systems with usage limits, rewards, and transactions
I focus on clear code, maintainable systems, and real business needs. I communicate clearly and take ownership of the work I deliver.
If you need a Full-Stack Developer who is strong in backend, smart contracts, and mobile development, I am ready to help.
Blockchain Development
API Development
MERN Stack
DApp Development
JavaScript
Solidity
React
web3.js
Rust
Ethers.js
SaaS Development
AI App Development
Back-End Development
Full-Stack Development
Mobile App Development
Dominion O.
Ibadan, Nigeria
$25/hr
5.0
1 jobs
Hi there, I’m a full-stack blockchain developer. I build smart contracts, dApps, and DeFi apps that are secure, clear, and ready for real use. I can handle the full stack - frontend and backend, and also on-chain logic so you don’t need separate developers.
🔹 What I Do:
Smart Contracts
- ERC20, BEP20, and SPL tokens (mint/burn, ICO/IDO, reflections)
- NFTs (ERC721/1155) with royalties, presales, auctions, IPFS, and metadata
- dApps like crowdfunding, marketplaces, lotteries, and airdrops
Full-Stack Development
- Frontend: React, Next.js, TypeScript
- Backend: Node.js, Python, Hardhat, Foundry
- Smart contracts: Solidity (Ethereum, BSC), Rust (Solana, Near), Motoko (ICP), Tezos, zkSync
- Integrations: Uniswap, PancakeSwap, Aave, Raydium, bridges, and rollups
Custom Scripts
- Swap bots, liquidity tools, automation for DeFi protocols
🔹 Why Work With Me
- Security first — audit-ready and resistant to exploits
- Gas-efficient — optimized code to save deployment and transaction costs
- Multi-chain — Ethereum, Solana, Tezos, zkSync, TON, Injective, and more
- End-to-end — frontend, backend, and contracts handled in one place
- Clear communication and reliable support after launch
Ethereum
Blockchain Architecture
Blockchain Development
Smart Contract
Solidity
Rust
Sui
React
Next.js
Blockchain, NFT & Cryptocurrency
DApp Development
Hardhat
DeFi
Ethers.js
Femi A.
Lagos, Nigeria
$25/hr
5.0
4 jobs
I build decentralized applications that work. If you need a DeFi protocol, token launch platform, or blockchain fork deployed quickly and securely, I can deliver.
Recent Projects:
✅ Aave lending protocol clone (full-stack DeFi)
✅ PancakeSwap DEX fork with custom tokenomics
✅ Pinksale launchpad implementation
✅ DEX aggregator with real-time data visualization
What You Get:
• Clean, auditable smart contracts (Solidity/Rust)
• Full-stack web3 integration (React/Next.js + Web3.js/Ethers.js)
• API integration for on-chain/off-chain data
• End-to-end project management from brief to deployment
• Regular updates – I communicate daily via your preferred channel
Tech Stack:
Backend: Node.js, NestJS, Express, PostgreSQL, MongoDB
Frontend: React, Next.js, TypeScript, Tailwind, Material-UI
Blockchain: Solidity, Hardhat, Ethers.js, Web3.js
Mobile: React Native, Swift, Android Native
Let's build something secure and scalable. Message me with your project details.
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
“Upwork provides an umbrella-level of security. I can see a talent’s work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.”
KD
Kim Darling
Emerald Tiger
“Upwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.”
DM
David Merry
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
KK
Katja Krohn
Summa Linguae
How do I hire a Ethereum Developer in Nigeria on Upwork?
You can hire a Ethereum Developer in Nigeria on Upwork in four simple steps:
Create a job post tailored to your Ethereum Developer project scope. We'll walk you through the process step by step.
Browse top Ethereum Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top Ethereum Developer profiles and interview.
Hire the right Ethereum Developer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a Ethereum Developer?
Rates charged by Ethereum Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a Ethereum Developer in Nigeria on Upwork?
As the world's work marketplace, we connect highly-skilled freelance Ethereum Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Ethereum Developer team you need to succeed.
Can I hire a Ethereum Developer in Nigeria within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Ethereum Developer proposals within 24 hours of posting a job description.