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Marcel Gilbert

@marcelgilbert

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I build tested full-stack systems for payments, AI workstations, and operational workflows.

Kuwait

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What I'm looking for

Full-stack engineer — TypeScript, Python, PostgreSQL. I test like it matters, a habit from 21 years in safety-critical aviation. Most recent: a deployed payments platform — four API consumers, 351 tests, row-level security in Postgres, source public. Available now for remote work, full-time or contract. Japan work rights via spouse; relocating 2026.

I’ve built and deployed Zerofayyz Fintech, a Stripe payments platform with an append-only audit log, database-enforced row-level security, four-eyes refund approval, four independent API consumers, and 351 automated tests. I also architect and engineer Gabriel OS, a React and FastAPI AI workstation platform with local-model routing, RAG, safety controls, and roughly 9,300 automated tests.

Before coding full-time: 21 years in aircraft maintenance and program leadership. In Poland I owned the digital systems an 80-person USAFE F-16 depot ran on - I authored the program’s performance work statement, then built the qualification-records, leave-forecasting and onboarding systems that satisfied it. In Japan I was alternate site lead at MCAS Iwakuni; in Oman I built the Microsoft Project system a Kuwait Air Force phase program ran from.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer — Full-Stack

Current

Zerofayyz Fintech

Jan 2026 - Present (8 months)

Built and deployed a production-shaped payments platform with Stripe integration, auditable ledger, and multi-frontend support. Implemented robust authentication, authorization, and idempotency mechanisms.