Hex-Rays
Back End Developer
Hex-RaysBelgium3 days ago
Full-timeInformation Technology

We are looking for a Senior Backend Engineer & Architect (TypeScript) to architect, develop, and maintain our core internal applications. This role comes with a high level of ownership and direct impact on our public API, internal services, and operational tools. You will play a key role in stabilizing our systems, improving our API design, and shaping the architecture of our backend services as we evolve and scale.


Your Mission:

  • Architect, design, and maintain backend services powering key Hex-Rays applications.
  • Lead the ongoing improvement of our public API and internal tooling ecosystem.
  • Stabilize, refactor, and optimize existing systems for performance, reliability, and clarity.
  • Own backend projects from design to production deployment.
  • Work closely with the team to deliver efficient, smart, business-aware solutions.


What You'll Work On:

You will build and evolve several internal and external-facing applications, including:

  • Our public API powering the Hex-Rays customer portal
  • Our license manager
  • Our webshop
  • Various internal tools and automation workflows


Stack You'll Use:

  • Node.js (TypeScript)
  • Express
  • PostgreSQL
  • Kubernetes on AWS
  • Vercel


Required Skills & Experience:

  • Deep expertise in TypeScript and modern backend development
  • Strong experience in API architecture & design
  • Proven ability to own and drive backend services end-to-end
  • Strong SQL fundamentals (PostgreSQL)
  • Experience building scalable, reliable systems


Must-Have Modern Skills:

Demonstrated experience with LLM-assisted coding


Nice to Have

  • Kubernetes experience
  • CI/CD and DevOps exposure
  • Security, observability, and system design knowledge
  • Optional: Frontend experience in TypeScript frameworks
  • Experience with distributed systems or high-availability environments


Soft Skills;

  • Excellent communication
  • Strong business understanding and ability to propose smart solutions
  • Proactive mindset and autonomy
  • Team player who thrives in a small but high-impact expert group


What Success Looks Like (First 6--12 Months)

  • Stabilize existing backend systems
  • Deliver a significantly improved and cleaner public API
  • Implement architectural improvements for performance and maintainability
  • Ensure our internal tools and workflows are reliable and well-structured
  • Become a trusted owner of critical backend services


Why Join Hex-Rays?

A small expert team with high autonomy

Zero corporate nonsense, fast decision-making, direct communication

Real impact on tools used by security researchers worldwide

Opportunity to shape architecture and processes from the ground up

Work on meaningful systems used daily by thousands of professionals

Key Skills

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