Senior Full-Stack Engineer: AI-Driven Observability

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

Job summary

Luxoft is seeking a skilled full-stack developer to join a healthcare data platform project in Poland. The role focuses on instrumentation, telemetry quality, and observability across distributed systems, with AI-assisted engineering integrated into the workflow.

You will contribute to secure authentication, efficient data processing, and SLA visibility for client-specific services. Responsibilities include building end-to-end TS/Next.js apps, implementing secure API/proxy components, and

Qualifications

• Experience building full-stack web apps with TS, Next.js, React.js.
• Experience implementing server-side OIDC authentication and session security.
• Design and build secure APIs and proxy services for identity platforms.
• Implement caching strategies and performance optimizations.
• Integrate audit logging for operational transparency.
• Familiarity with AI-assisted development tools (e.g., Claude Code, GitHub Copilot).
• Translate complex operational data into intuitive interfaces.
• Strong analytical mindset and skepticism toward telemetry data quality.
• Validate metrics and signals against independent sources.

Responsibilities

• Develop full-stack applications using TypeScript and Next.js/React.js.
• Implement secure server-side OIDC authentication and manage sessions.
• Build and maintain credential-brokering proxy services.
• Optimize application performance by caching costly backend queries.
• Implement audit logging and traceability features.
• Design clear, data-rich user interfaces for SLA reporting.
• Collaborate with platform and observability teams to support reliability.
• Validate telemetry and operational signals with independent data sources.

Skills

Developing full-stack web apps

TypeScript

Next.js/React.js

OIDC authentication

API design & proxy services

Caching and performance

Audit logging

AI-assisted development

Observability data quality

Job description

Luxoft is seeking a skilled full-stack developer to join a healthcare data platform project in Poland. The role focuses on instrumentation, telemetry quality, and observability across distributed systems, with AI-assisted engineering integrated into the workflow.

You will contribute to secure authentication, efficient data processing, and SLA visibility for client-specific services. Responsibilities include building end-to-end TS/Next.js apps, implementing secure API/proxy components, and