- Shipping polished products with a strong frontend experience and solid backend foundations.
- Building with
Rust,TypeScript,.NET, and reproducibleNixOS-based environments. - Interested in projects that go beyond plain CRUD: AI tooling, developer platforms, mobile experiences, and modern product engineering.
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Full-Stack Products From first idea to production rollout: frontend, backend, APIs, databases, and deployment. I work comfortably across React ecosystems, Node.js, C#/.NET, and Rust, with experience in modern architectures, migrations, and long-lived codebases. |
Mobile and Web3 Cross-platform apps with React Native and Expo, plus Solana ecosystem work involving wallets, token flows, compressed NFTs, Bubblegum, Helius RPC, and on-chain integrations that move beyond standard app patterns. |
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AI Integration and Automation I wire large language models into real systems, build custom API-driven workflows, and use automation to remove repetitive work, shorten feedback loops, and improve product delivery. |
DevOps and Delivery Reproducible environments, Docker-based workflows, GitHub Actions pipelines, NixOS and Nix Flakes, automated releases, and delivery processes that stay maintainable as projects grow. |
- Structured, independent, and strongly solution-oriented.
- Comfortable owning work end to end, whether in a solo setup or an agile team.
- Focused on clean architecture, clear communication, and reliable delivery.
If you are building something ambitious and want someone who can move across product, frontend, backend, and infrastructure without losing quality, let's talk.
- Website:
https://timwitter.com/ - Email:
hello@timwitter.com - LinkedIn:
https://www.linkedin.com/in/timfewi/




