Senior Application Backend Engineer (Go, TypeScript)

Luxoft Poland; Poland; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Private Medical & Dental care

Life Insurance

MyBenefit program

Internal Mobility program

Job summary

Luxoft Poland is seeking an experienced engineer to help instrument applications and improve observability across distributed systems. You will implement and maintain metrics and telemetry, collaborate across multiple teams, and support Kubernetes/Helm deployments while working with GraphQL services.

This role emphasizes AI-assisted development, quality telemetry data, and cross-team collaboration to drive reliable alerts and comprehensive monitoring coverage in a healthcare data platform

Qualifications

• Strong hands-on experience with OpenTelemetry instrumentation.
• Experience developing in Go and Node.js/TypeScript.
• 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.
• Ability to validate metrics and signals against independent sources before operationalizing alerts.

Responsibilities

• Instrument applications using OpenTelemetry SDKs 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 instrumentation

Go

Node.js/TypeScript

custom metrics

observability

Kubernetes

Helm

GraphQL

AI-assisted development tools

telemetry data quality

Tools

GitHub Copilot

Claude Code

Job description

Join a healthcare data platform team building client-scoped SLO monitoring and alerting solutions. The project includes automated dashboard and alert generation across 110-140 services, as well as an internal application providing customer-specific SLA visibility.

This role focuses on application instrumentation, telemetry quality, and observability adoption across distributed systems. AI-assisted development is expected and encouraged.

In Luxoft, our culture is one that strives on solving difficult problems focusing on product engineering based on hypothesis testing to empower people to come up with ideas. Great Place to Work Institute certifies us as one of the Top 10 companies to work for in Mexico, and we do it with a truly flexible environment, high impact projects in Agile environments, a culture focused on results, training and strong support to grow your career.

Responsibilities:

• Instrument applications using OpenTelemetry SDKs 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.

Mandatory Skills Description:

• Strong hands-on experience with OpenTelemetry instrumentation.
• Experience developing in both Go and Node.js/TypeScript.
• 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.
• Ability to validate metrics and signals against independent sources before operationalizing alerts.

(Opportunity for Poland-based candidates)

• Tax-deductible costs on a contract of employment for all development roles
• Stable employment based on an employment contract
• Private Medical & Dental care & Life Insurance
• MyBenefit program (sports card, well-being program etc.)
• Internal Mobility program - possibility of rotation between projects, locations, accounts