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Staff Engineer (Front-end)
  • Warsaw
Staff Engineer (Front-end)
Warszawa, Warsaw, Masovian Voivodeship, Polska
The Stepstone Group Polska sp. z o.o.
1. 10. 2025
Informacje o stanowisku

technologies-expected :


  • JavaScript
  • TypeScript
  • webpack
  • Kibana
  • Elasticsearch

about-project :


  • Join our team and you’ll be responsible for shaping the front end architecture for one of the Customer facing product portfolios.
  • Working in the User Products portfolio you will advise and shape Product direction, mentor and grow the talent of the team, and collaborate with other Staff and Principal Engineers across the company.
  • This is so important to us. By joining our team, you will be playing a vital role as together we reimagine the labour market to make it work for everybody.

responsibilities :


  • Technical Leadership: Help the team implement architectural solutions, providing expert guidance and fostering a culture of technical excellence. Look further ahead on the roadmap & backlog to identify upcoming technical challenges. Proactively take end-to-end responsibility for managing several activities and projects
  • Product Influence: Exercise your influence to shape product direction and outcomes. Align technical projects with business goals, participate in product planning, and offer insights into architectural strategies. Take a pragmatic approach to balancing product delivery with technical improvements.
  • Best Practices and Adoption: Lead the implementation of high-quality coding standards, design patterns, and architectural principles, while supporting and guiding the team through the integration of new technologies and frameworks
  • Cross-Team Collaboration and Influence: Leading cross-team initiatives
  • Upskilling and Mentoring: Actively contribute to the professional development of delivery team engineers, enabling them to excel in target technologies
  • Mentor team members, foster a culture of continuous learning, and enable team success through design and code reviews

requirements-expected :


  • Core Frontend Technologies (Required)
  • Expert-level proficiency in React.js ecosystem and modern JavaScript/TypeScript
  • Advanced experience with build tools and bundlers (Webpack 5+, Vite, or Parcel)
  • Proficient with modern testing frameworks (Vitest, Jest, Testing Library) and E2E testing tools
  • Deep understanding of browser APIs, web standards, and cross-browser compatibility
  • Cloud & Infrastructure (Highly Desirable)
  • Working knowledge of AWS services (CloudFront, S3, Lambda@Edge, API Gateway)
  • Experience with CI/CD pipelines and deployment strategies for frontend applications
  • Familiarity with containerization (Docker) and serverless architectures
  • Architecture & Design Patterns (Required)
  • Proven expertise in micro-frontend architectures (Module Federation, single-spa, or similar)
  • Deep understanding of design patterns, state management solutions (Redux, Zustand, Context API)
  • Experience with API integration patterns (REST, GraphQL, WebSockets)
  • Knowledge of caching strategies and CDN optimization
  • Development Excellence
  • Performance & Optimization
  • Expert in web performance optimization (Core Web Vitals, bundle optimization, lazy loading)
  • Proficiency in performance monitoring and debugging tools
  • Experience with progressive enhancement and accessibility (WCAG) standards
  • Modern Development Practices
  • Advanced Git workflows and code review processes
  • Experience with monorepo management tools (Nx, Lerna, or Turborepo)
  • Proficient in responsive design principles and mobile-first development
  • Understanding of SEO best practices and meta-framework experience (Next.js)
  • Observability & Monitoring
  • Hands-on experience with monitoring tools (Datadog, New Relic, or similar)
  • Proficiency with logging and error tracking (Elasticsearch, Kibana, Sentry)
  • Experience with AWS CloudWatch and application performance monitoring

offered :


  • Medical and dental care
  • Life insurance
  • Benefit platform budget
  • Employee Referral Programme
  • Hackathons, Knowledge Sharing Hours
  • In-house projects
  • Events and integration parties
  • Charity initiatives, 2 extra volunteer days
  • English/German lessons
  • Game room and chillout zone

benefits :


  • private medical care
  • life insurance
  • remote work opportunities
  • flexible working time
  • integration events
  • dental care
  • corporate library
  • no dress code
  • video games at work
  • parking space for employees
  • leisure zone
  • redeployment package
  • employee referral program
  • charity initiatives
  • Hackathons, Knowledge Sharing Hours
  • in-house projects

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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