Senior Backend-Oriented Full-Stack Developer

Hi! I'm Avi Koenig

I build and evolve production systems with a focus on correctness, maintainability, and predictable delivery under real-world constraints.

8+ years across product teams and consulting, focused on internal systems and legacy modernization.

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Hi! I'm Avi Koenig
8+
Years building production systems
~50
People on the platform I built
3
Database ecosystems (Oracle · MSSQL · Mongo)
100%
Remote-ready

Quick Snapshot

  • TypeScript / Node.js (NestJS, REST, GraphQL)
  • Database-heavy systems: Oracle PL/SQL, MSSQL, MongoDB
  • Internal products: CRMs, dashboards, operational tools
  • Strength: understanding existing systems quickly and improving them safely

What I'm Looking For

  • Senior backend or backend-leaning full-stack roles
  • Teams working with existing systems, integrations, or operational complexity
  • Remote-friendly environments with clear ownership and collaboration

How I Work

  • Understand system behavior before refactoring
  • Improve incrementally with safeguards (tests, documentation, controlled change)
  • Balance technical quality with delivery constraints and long-term maintainability