Marius Gill
Co-Founder, Managing Director & CTO at hafencity.dev GmbH
Hamburg, Germany
Summary
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SeniorMarius Gill is a Hamburg-based founder and hands-on CTO with eight years of experience building full-stack, mobile, game and AI-driven products through hafencity.dev and Lokalaise. He combines early low-level expertise—starting reverse-engineering at 13 and C++ game work in Unity/Unreal—with modern multi-language stacks including C#, Flutter/Dart, Kotlin, Swift, TypeScript and Python. Marius has delivered production blockchain and crypto tooling (multi-chain wallets, a TRON wallet) as well as Web3 gaming and user-centric enterprise systems. He now focuses on on-premise, data-sovereign AI for German businesses while running a creative design arm, bridging product design and engineering. Known for shipping end-to-end solutions, he pairs entrepreneurial leadership with deep implementation experience across mobile, backend and game engines.
8 years of coding experience
5 years of employment as a software developer
Github Skills (8)
evolution8
gatsbyjs7
react5
walletconnect5
bitcoin1
csharp1
wallet1
cryptocurrency1
Programming languages (4)
Github contributions (5)
Dryec/converse-xf
Nov 2018 - May 2019
Contributions:4 releases, 96 commits, 26 pushes in 5 months
Dryec/tron-wallet-android
May 2018 - Oct 2018
Contributions:21 releases, 102 commits, 8 PRs in 5 months
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