Collins Olanrewaju
Freelance Blockchain Engineer
Lithuania
Summary
👤
Senior🎓
Top SchoolCollins Olanrewaju is a freelance Blockchain Engineer with 9+ years building high-performance mobile apps, backend services, Web3 wallets, and trading bots. He led development of the Decred Mobile Wallet and built Fletch Wallet—the first user-friendly Aptos mobile wallet—while authoring a Golang Aptos wallet library adopted across the ecosystem. Collins specializes in Kotlin, Golang, Solidity, Swift and React, with deep knowledge of Bitcoin, Ethereum, Aptos and Solana internals, and a track record optimizing systems for token launches and high-load sniping events. His independent work includes Telegram-based trading and MEV-style bots that processed seven-figure volumes and generated substantial returns, plus game and verifier bots spanning Ton and Friend.tech. Comfortable leading small teams or shipping solo, he combines low-level blockchain engineering with pragmatic product delivery and is available for remote or EU onsite roles.
9 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Babcock University
Github Skills (46)
wallet10
programming-language10
bitcoin10
interpreter10
cryptocurrency10
go10
ethereum10
blockchain10
golang10
daemon10
odin10
p2p10
goplus9
key-value9
boltdb9
Programming languages (6)
Github contributions (5)
C-ollins/godcr
May 2021 - Oct 2021
Contributions:88 pushes, 55 branches in 4 months
planetdecred/dcrandroid
Feb 2020 - May 2021
Decred Mobile Wallet for Android
Contributions:1 release, 58 reviews, 3 commits in 1 year 3 months
decredreact-nativeandroidwalletmobile-wallet
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