collinpowell

Senior Blockchain & Full Stack Engineer

6+ years architecting production-grade blockchain infrastructure, fully-fledged full-stack applications, and native mobile/desktop apps across DeFi, DEX aggregators, NFT ecosystems, and enterprise SaaS. Proven record of shipping systems at scale — $1M+ trading volume, 350K+ users served, and products live across iOS, Android, Windows, and Web. Deep expertise in Solana/Rust, Solidity, Next.js, Go, and microservices architecture. Strong in system design, REST APIs, smart contract development, and end-to-end product delivery. Co-founder of a Nigerian tech hub. Available for full-time, contract, and consulting remote roles.


Experience: 6 years

Yearly salary: $34,000

Hourly rate: $25

Nationality: 🇳🇬 Nigeria

Residency: 🇳🇬 Nigeria


Experience

Co-Founder & Lead Developer
NodeX iHub
2020 - 2023
Co-founded a technology learning hub; led a team of developers and instructors, directed software projects, conducted code reviews, and mentored students in blockchain, Web3, and full-stack development. Established CI/CD workflows (GitHub Actions) and engineering best practices across all internal projects. Built company website, student portal, and internal tooling.

Skills

blockchain
golang
hardhat
nextjs
rust
solana
solidity
full-stack
english