Senior Backend Engineer — Observability & Telemetry

Luxoft Poland; Poland; On-site; PLN 180,000 - 240,000; Full time

Job summary

Luxoft Poland is seeking an engineer to join a healthcare data platform team devoted to building client-scoped SLO monitoring and alerting across 110-140 services. The role emphasizes instrumenting applications, telemetry quality, and observability adoption across distributed systems, with AI-assisted development encouraged.

Responsibilities include implementing instrumentation in Go and Node.js/TypeScript, maintaining metrics, supporting Kubernetes/Helm, working with GraphQL APIs, validating

Qualifications

• Strong hands-on experience with OpenTelemetry instrumentation.
• Experience implementing custom metrics and application telemetry.
• Solid understanding of observability, monitoring, and distributed systems.
• Hands-on experience with Kubernetes and Helm.
• Experience working with GraphQL.
• Ability to contribute across multiple codebases and drive cross-team PRs to completion.
• Experience with AI-assisted development tools such as Claude Code, GitHub Copilot, or equivalent.
• Strong analytical mindset and healthy skepticism toward telemetry data quality.

Responsibilities

• Instrument applications using OpenTelemetry in Go and Node.js/TypeScript.
• Implement and maintain custom metrics and telemetry.
• Contribute instrumentation changes across repositories owned by multiple teams.
• Support Kubernetes and Helm-based deployments.
• Work with GraphQL services and APIs.
• Validate telemetry signals against independent data sources before they are used for alerting.
• Collaborate with platform and observability teams to improve monitoring coverage and reliability.

Skills

OpenTelemetry

Custom metrics

Observability

Kubernetes

GraphQL

AI-assisted tools

Telemetry quality

Cross-team collab

Tools

Go

Node.js

TypeScript

Helm

Grafana

OpenTelemetry Collector

Job description

Luxoft Poland is seeking an engineer to join a healthcare data platform team devoted to building client-scoped SLO monitoring and alerting across 110-140 services. The role emphasizes instrumenting applications, telemetry quality, and observability adoption across distributed systems, with AI-assisted development encouraged.

Responsibilities include implementing instrumentation in Go and Node.js/TypeScript, maintaining metrics, supporting Kubernetes/Helm, working with GraphQL APIs, validating