I am Emmanuel Adewunmi, a Full-Stack Software Developer and Web3 Engineer with a proven track record designing, deploying, and scaling cloud-native and blockchain-powered applications used by 5,000+ users globally. I am experienced across the full stack with React/Next.js frontends, Node.js/NestJS/Express APIs, and Solidity smart contracts, delivering in FinTech, EdTech, MedTech, and Web3. I am passionate about leveraging emerging technologies and generative AI to solve real-world problems, streamline development, and drive measurable business impact.

Emmanuel Adewunmi

I am Emmanuel Adewunmi, a Full-Stack Software Developer and Web3 Engineer with a proven track record designing, deploying, and scaling cloud-native and blockchain-powered applications used by 5,000+ users globally. I am experienced across the full stack with React/Next.js frontends, Node.js/NestJS/Express APIs, and Solidity smart contracts, delivering in FinTech, EdTech, MedTech, and Web3. I am passionate about leveraging emerging technologies and generative AI to solve real-world problems, streamline development, and drive measurable business impact.

Available to hire

I am Emmanuel Adewunmi, a Full-Stack Software Developer and Web3 Engineer with a proven track record designing, deploying, and scaling cloud-native and blockchain-powered applications used by 5,000+ users globally.

I am experienced across the full stack with React/Next.js frontends, Node.js/NestJS/Express APIs, and Solidity smart contracts, delivering in FinTech, EdTech, MedTech, and Web3. I am passionate about leveraging emerging technologies and generative AI to solve real-world problems, streamline development, and drive measurable business impact.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Frontend Developer & Content Developer at Crystal EdTech
October 1, 2024 - Present
Mentored and trained 100+ aspiring developers in React, Next.js, and TypeScript, boosting graduate job placement by 35%; Architected and deployed frontend systems that improved performance and maintainability, reducing bug reports by 40%; Delivered scalable EdTech platforms, achieving 3,000+ active global users within 6 months.
Full Stack Developer at Prime White Stallions Foundation
June 1, 2025 - October 1, 2025
Developed a pharmaceutical web application connecting 50+ healthcare centers with NHIA and NAFDAC providers, streamlining compliance reporting; Improved traceability and availability of maternal and child health products, reducing stockouts by 25% across West Africa; Implemented secure data management and dashboards, enabling stakeholders to monitor supply chains in Real-time; Collaborated with a cross-functional team of 8, accelerating release cycles by 30%.
Full-Stack Developer at Stark Earn (Blockchain Bounty Platform)
October 1, 2024 - January 1, 2025
Spearheaded the end-to-end development of a blockchain-powered bounty platform serving 2,000+ users across 6 countries; Authored escrow smart contracts in Cairo, processing 1,000+ transactions with zero disputes, ensuring secure and transparent payments; Integrated ArgentX and Braavos wallets, expanding accessibility for 850+ new users in Q1; Optimized system scalability, cutting transaction processing time by 30%.
Software Developer at Care Life Foundation
February 1, 2025 - March 1, 2025
Developed and launched a nationwide foundation website, supporting 10,000+ monthly visitors and donor engagement; Optimized SEO and accessibility, increasing online visibility and donation inquiries by 40%; Architected scalable frontend systems with React and Tailwind CSS, ensuring consistent performance across devices; Partnered with healthcare teams to digitalize donor communication, reducing manual admin tasks by 20%.
Web Developer at CoLab Innovation Hub
January 1, 2020 - March 1, 2023
Trained and mentored 100+ developers in real-world web development and open-source practices; Delivered client and in-house projects, improving UI/UX and overall performance; Supported teams with Web3 technical integrations.
Full-Stack Software Developer at Hedreg Group Ltd (Roco Coin)
January 1, 2026 - June 1, 2026
Architected and deployed seven Solidity smart contracts (~2,150 lines) to Base Sepolia covering ERC-20 token, multi-tier staking, P2P escrow, atomic swaps, NFTs, and two marketplaces; built and tested with Hardhat and Foundry. Engineered a Node.js/Express REST and Socket.IO API with 20 feature modules, integrating on-chain logic via ethers.js v6 with MongoDB/Mongoose persistence. Implemented secure authentication and compliance: JWT, bcrypt, Google OAuth 2.0, PIN, 2FA, and KYC/AML workflows. Delivered real-time features (live trades, prices, notifications) over WebSockets and documented full API with Swagger/OpenAPI. Integrated and supported 3 client applications (Next.js web, React Native mobile, and API), resolving CORS, environment, and deployment issues across Render, Heroku, and Vercel.
Full-Stack Developer at Ryn ts
March 1, 2026 - May 1, 2026
Built a complete online rental marketplace where customers browse and rent products while vendors register and list their own rental inventory; developed a responsive Next.js frontend backed by a NestJS API with secure vendor onboarding and product management. Enabled vendors to add, edit, and manage their listings end-to-end, mirroring a multi-vendor e-commerce flow.
Frontend Developer & Content Developer at Crystal EdTech Kaduna
October 1, 2024 - December 1, 2025
Mentored and trained 100+ aspiring developers in React, Next.js, and TypeScript; architected and deployed frontend systems that improved performance and maintainability, reducing bug reports by 40%. Delivered scalable EdTech platforms with 3,000+ active global users within 6 months.
Web Developer at Colab Innovation Hub Kaduna
January 1, 2020 - March 1, 2023
Trained and mentored 100+ developers in real-world web development and open-source practices. Delivered client and in-house projects, improving UI/UX and overall performance. Supported teams with Web3 technical integrations.
Frontend Developer & Content Developer at Crystal EdTech Kaduna
October 1, 2024 - Present
Led frontend development initiatives and content design for EdTech projects, collaborating with cross-functional teams to deliver accessible, scalable learning platforms.

Education

B.Sc. at National Open University of Nigeria
May 1, 2024 - December 27, 2025
B.S. Computer Science at National Open University of Nigeria
January 11, 2030 - June 16, 2026

Qualifications

JavaScript Algorithms & Data Structures – FreeCodeCamp
April 1, 2025 - December 27, 2025
React & Advanced React – Udemy
January 1, 2025 - December 27, 2025
Responsive Web Design – FreeCodeCamp
February 1, 2025 - December 27, 2025
Python (Django) Development – Skolak Technologies, Kaduna
January 1, 2023 - December 27, 2025
Frontend Development Certificate – CoLab Innovation Hub
January 1, 2019 - December 27, 2025
JavaScript Algorithms & Data Structures
January 1, 2025 - June 16, 2026
React & Advanced React
January 1, 2025 - June 16, 2026
Introduction to Programming using Java
January 1, 2023 - June 16, 2026
Web Development using Python (Django)
January 1, 2024 - June 16, 2026
Responsive Web Design
January 1, 2025 - June 16, 2026
Frontend Development Certificate
January 1, 2019 - June 16, 2026

Industry Experience

Education, Healthcare, Software & Internet, Professional Services, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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