Krzysztof Trzos

Team Lead & Senior Full-Stack / Product Engineer · Warsaw, PL

14+ years shipping production systems. Currently at BrightLocal, leading a team and writing PHP backends, REST APIs feeding React + TypeScript frontends, RabbitMQ async jobs, and AI / LLM-powered product features. Previously: full-stack at Leon Software (Symfony, CQRS/DDD, GraphQL, ReasonML/ReScript), owner of Notimeo software studio, project manager at Vobacom, editor-in-chief and full-stack at GIEROmaniak.pl.

Stack

Backend: PHP · Symfony · Doctrine · GraphQL · REST · RabbitMQ · MySQL · PostgreSQL
Frontend: React · TypeScript · Tailwind
Infra: Docker
Quality: PHPUnit · PHPStan · Psalm
Architecture: CQRS · DDD

Contact

Email: k.trzos@jazi.pl
LinkedIn: linkedin.com/in/krzysztof-trzos
GitHub: github.com/jazithedev
CV: Download CV (PDF)

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