Senior Full-Stack Engineer (TypeScript. React)

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

Benefits offered by this job

Private Medical & Dental care

Life Insurance

MyBenefit program

Internal Mobility program

Job summary

Luxoft Poland is seeking a skilled full-stack engineer to join a healthcare data platform team. You will build client-scoped SLO monitoring and alerting solutions across 110-140 services and contribute to an internal SLA-visibility tool.

The role emphasizes instrumentation, telemetry quality, and widespread observability across distributed systems. AI-assisted development is encouraged to improve delivery and quality.

Qualifications

• Developing full-stack web applications with TypeScript, Next.js and React.js
• Implementing server-side OIDC authentication and secure sessions
• Building secure APIs and proxy services for identity platforms
• Applying caching strategies to optimize performance
• Adding audit logging and tracing for observability
• Using AI-assisted development tools (e.g., Claude Code, Copilot)
• Translating telemetry data into intuitive interfaces
• Maintaining rigorous data quality checks for signals

Responsibilities

• Develop full-stack apps using TypeScript, Next.js and React.js
• Implement secure server-side authentication and manage sessions
• Build and maintain credential-brokering proxy services
• Optimize performance with caching of backend queries
• Implement audit logging and traceability features
• Design clear data-rich UIs for SLA reporting
• Collaborate with platform and observability teams to improve reliability
• Validate telemetry signals against independent data sources

Skills

TypeScript

Next.js

React.js

OIDC authentication

Caching

AI-assisted development

Telemetry/ observability

UI/ UX design

Data visualization

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:

• 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 operational and SLA reporting.
• Collaborate with platform and observability teams to support reliability efforts.
• Validate telemetry and operational signals with independent data sources.

Mandatory Skills Description:

• Developing full-stack web applications with TypeScript, Next.js, and React.js
• Applying server-side OIDC authentication and session-based security measures
• Designing and building secure APIs and proxy services related to identity platforms
• Implementing caching strategies and performance optimizations
• Integrating audit logging for operational transparency
• Utilizing AI-assisted development tools such as Claude Code or GitHub Copilot
• Translating complex operational data into intuitive, user-friendly interfaces
• Maintaining a strong analytical mindset with a healthy skepticism toward telemetry data quality
• Validating metrics and signals against independent sources before operational use

(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