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Opis oferty

Senior Engineer (Node.js) – AdTech / RTB w Kraków, Polska

BRAVER IT SPÓŁKA AKCYJNA

  • ZdalniePraca z dowolnego miejsca
  • KontraktUmowa czasowa lub freelancing

25 000 – 33 000 zł

Kraków, Polska

Your responsibilities

  • Build and scale high-throughput, low-latency backend services using https://jobeax.com/link/JSd7UYCSg572jJDY and TypeScript
  • Work on real-time bidding flows, integrations and performance-critical backend components
  • Design solutions for systems processing large volumes of concurrent requests
  • Optimize latency, throughput, reliability and resource usage
  • Take ownership of technical and architectural decisions
  • Work closely with experienced engineers on production systems where performance matters
  • Investigate bottlenecks, production issues and opportunities for further optimization

Our requirements

  • Strong commercial experience with https://jobeax.com/link/JSd7UYCSg572jJDY and TypeScript
  • Experience building high-throughput, low-latency backend systems
  • Good understanding of distributed systems, scalability and performance optimization
  • Experience designing and maintaining production-grade APIs and backend services
  • Ability to make independent technical decisions and take ownership of solutions
  • Experience with RTB / programmatic advertising
  • Knowledge of OpenRTB 2.5 / 2.6
  • Experience with IAB standards and ad formats
  • Background in DSP, SSP, ad exchanges or Prebid
  • Experience with event-driven architectures, caching and performance-sensitive systems
  • Fluent English

What we offer

  • 100% remote
  • Private medical healthcare and multisport.
  • Work in a small, senior engineering team
  • Real influence on architecture and technical decisions
  • Access to modern AI engineering tools with high usage limits
  • A practical AI culture where tools support engineering work, while technical judgment remains with the engineer
  • Work on a product where backend performance, scalability and latency have a direct and measurable impact

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