Destava

Senior Backend Engineer (Go)

X-FLOW is hiring for Senior Backend Engineer (Go) in Warsaw, Mazowieckie. Senior level. First seen September 12, 2026; open as of November 6, 2026. Jobs taken straight from company career pages — no aggregator in between.

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Company
X-FLOW
Where
Warsaw, Mazowieckie
Level
Senior
First seen
September 12, 2026
Listed via
BambooHR

What the posting says

We are currently looking for a Senior Backend Engineer (Go) for our flagship project, Happy Color. Key Responsibilities: • Design and develop microservices in Go (REST/gRPC), public and internal APIs. • Integrate with external services, develop contracts. • Optimize performance, profiling, reduce latency, and scale systems. • Design database schemas, perform migrations, indexing, and query optimization. • Work with PostgreSQL/MySQL, Redis, Kafka/NATS and event-driven integrations. • Implement and maintain CI/CD, cloud infrastructure (AWS) with Docker/Kubernetes. • Ensure quality: writing…

Read more and apply on X-FLOW's site

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