Rafał Zacher

Rafał Zacher

Full-stack Software engineer. Co-Founder & CTO at Signet Tech.

I build modern web and backend systems with TypeScript, Node.js, React, and Next.js. My current focus is security and observability for AI-driven financial systems, helping AI agents handle payments safely and with full auditability.

What I'm doing now

Current focus, side projects, and interests, updated every few months.

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Projects

Things I've built or worked on.

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Work

  1. Company
    Signet Tech
    Role
    Co-Founder & CTO
    Date
  2. Company
    World Duty Free (Avolta)
    Role
    Master Data Specialist
    Date
  3. Company
    Siana Travel
    Role
    Software Engineer
    Date
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