Requirements

Expected technologies

Go

EKS

Kubernetes

AWS

Optional technologies

DataDog

IoT

Operating system

macOS

Linux

Our requirements

• 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

Optional

• Experience with IoT communication patterns, device provisioning, and cloud-to-device messaging
• Background in real-time systems, edge architecture, or message brokers
• Experience contributing to or maintaining open-source Go libraries
• Understanding of DoS protection, rate limiting, and scalable security mechanisms in WebSocket-heavy systems

Your 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