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Senior Backend Engineer – Go / EKS / WebSockets & Reverse Proxy (IoT at Scale)
  • Warsaw
Senior Backend Engineer – Go / EKS / WebSockets & Reverse Proxy (IoT at Scale)
Warszawa, Warsaw, Masovian Voivodeship, Polska
BSH SPRZĘT GOSPODARSTWA DOMOWEGO sp. z o.o.
6. 7. 2025
Informacje o stanowisku

technologies-expected :


  • Go
  • EKS
  • Kubernetes
  • AWS

technologies-optional :


  • DataDog
  • IoT

responsibilities :


  • Design, implement, and operate backend services in Go that manage millions of persistent WebSocket connections
  • Own and evolve the reverse proxy layer that routes traffic from devices across our global infrastructure
  • Optimize connection lifecycle handling (open/idle/close), routing logic, and failover for long-lived connections
  • Manage workloads on Amazon EKS, focusing on resiliency, scalability, and automation
  • Collaborate with platform, security, and architecture teams to ensure robust and secure communication flows
  • Define and monitor key technical metrics: connection stability, message latency, throughput, and availability
  • Build tooling for connection tracing, diagnostics, and recovery in a distributed system
  • Drive continuous improvements to system observability, maintainability, and operational efficiency

requirements-expected :


  • Proven ability to handle real-time messaging systems and millions of concurrent connections
  • Familiarity with telemetry and observability tools (e.g., DataDog, Prometheus)
  • Fluent in English and comfortable working in international, distributed teams
  • Self-motivated, pragmatic, and able to take full ownership of technical domains

offered :


  • Dynamic International Environment: Collaborate with diverse teams globally, enriching your experience and expanding your professional network.
  • Collaborative Team Culture: Join a supportive team that values your contributions and encourages your growth.
  • Professional Development Opportunities: Expand your skills through engaging projects and responsibilities that challenge and inspire you.
  • Flexible hybrid work arrangements: Enjoy a mix of remote work and office collaboration, with a minimum of one day per week in our modern offices.
  • Comprehensive Benefits Package: Enjoy private health care, a Lunchpass card, a sports card, group insurance options and employee discounts.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • life insurance
  • remote work opportunities
  • flexible working time
  • corporate products and services at discounted prices
  • extra social benefits
  • pre-paid cards
  • extra leave

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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