Full Stack Engineer for High-Performance Trading Systems

Foxtek Netherlands
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AI Summary

Design and build scalable backend systems for a global trading platform. Work with Erlang, Elixir, Java, and TypeScript. Collaborate with frontend and product teams.

Key Highlights
Backend-heavy work in a live trading environment
Small team, real ownership, real impact
Opportunity to work with Erlang in production
Key Responsibilities
Design and build backend services and internal systems
Collaborate with frontend & product teams
Own features end-to-end, from idea to production
Technical Skills Required
Erlang Elixir Java TypeScript React
Benefits & Perks
Hybrid working
Generous work-abroad policy
Visa, relocation & 30% ruling supported
Nice to Have
Build or maintain personal projects
Enjoy learning by experimenting
Clearly walk through something you've built end-to-end

Job Description


Full Stack Engineer | High-Performance Trading Systems | Hybrid (NL)


Build scalable backend systems powering a global trading platform used at serious scale.


This is a Full Stack Engineering role within a small, senior engineering team. The company was recently acquired by a major US-based crypto exchange, combining long-term stability with a strong engineering-led culture.


You’ll own real production systems, ship frequently, and work closely with product and frontend — without bureaucracy.


Why this role

  • Backend-heavy work in a live trading environment
  • Small team, real ownership, real impact
  • Opportunity to work with Erlang in production (no prior experience required)
  • Pragmatic culture focused on shipping, not process
  • Hybrid working + generous work-abroad policy
  • Visa, relocation & 30% ruling supported


What you’ll actually do

  • Design and build backend services and internal systems
  • Work mainly with Erlang / Elixir / Java / TypeScript
  • Collaborate with frontend & product teams
  • Review frontend code from an external team
  • Own features end-to-end, from idea to production


What we’re looking for

  • 2–5 years professional experience (Medior → lower Senior)
  • Experience with Erlang, Elixir, Java, or TypeScript
  • Open to working with Erlang
  • Working knowledge of React
  • Comfortable building admin tools / internal platforms
  • Experience working in small teams


We value engineers who can explain their thinking, explore alternatives, and talk through trade-offs — not just write code.


Bonus points if you…

  • Build or maintain personal projects
  • Enjoy learning by experimenting
  • Can clearly walk through something you’ve built end-to-end

This isn’t about hustle — it’s about curiosity, clarity, and ownership.


Team & setup

  • Team of 5 engineers (2 Full-stack, 3 Frontend)
  • Hybrid: 3 days office / 2 remote
  • Work abroad: 60 days every 6 months


Interview process (transparent)

  • Live coding session (2 practical tasks)
  • Technical interview
  • Final conversation with the Engineering Manager


During interviews, we care about:

  • How you reason and explain, not just the final answer
  • Willingness to explore a problem rather than stopping at “I don’t know”
  • Clear, open communication and collaboration style


If you’re a backend-leaning full-stack engineer who enjoys ownership, clarity, and real systems, this is a strong opportunity to grow in a high-impact trading environment.


#HighPerformanceSystems #ScalableSystems #TradingPlatforms #FinTechJobs #CryptoJobs


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