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Staff Engineer
  • Warsaw
Staff Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
The Stepstone Group Polska sp. z o.o.
13. 2. 2026
Informacje o stanowisku

technologies-expected :


  • Kafka
  • Docker
  • Java
  • Spring Framework
  • AWS

about-project :


  • Join our team and you’ll be responsible for building a state-of-the-art platform that powers integrations with our partners and streamlines flow of data across many companies.
  • Working in the Feeds domain, you will design and evolve software that integrate complex dependencies, ensure reliability, and deliver high-quality solutions both to our internal and external customers.
  • By joining as a Staff Engineer you’ll be the key person leading technology and a role model for this area.

responsibilities :


  • Architectural leadership – design and evolve scalable, resilient system architectures using DDD; own key architectural decisions and manage system dependencies and integrations.
  • Data-driven insight & decision-making – provide technical trade-off analysis, evaluate performance, scalability, and cost, and track system health and technical debt with meaningful metrics.
  • Cross-functional collaboration – work closely with Engineering Managers and Product Managers to align technical roadmaps with business goals and select appropriate tools and frameworks.
  • Mentorship & technical excellence – mentor engineers, lead design and code reviews, and promote best practices, analytical thinking, and continuous improvement
  • Execution & reliability – oversee critical systems and APIs, drive cloud and container optimization, ensure dependency resilience, and maintain high quality through structured testing strategies. Ability to support team hands-on if required

requirements-expected :


  • Java expertise – expert-level Java (17+), deep understanding of JVM internals, concurrency, performance tuning, memory management, and strong knowledge of DDD, design patterns, and functional programming.
  • Spring & reactive frameworks – advanced experience with Spring Boot, Spring Cloud, and reactive programming models.
  • Event-driven architectures (Kafka) – deep knowledge of Kafka internals, fault-tolerant event-driven design, stream processing, schema management, and delivery semantics (ordering, idempotency, exactly-once).
  • Cloud & container platforms (AWS) – strong proficiency with core AWS services and hands-on experience with Docker, Kubernetes, and ECS/EKS.
  • Infrastructure, scaling & observability – experience with Infrastructure as Code (Terraform/CDK/CloudFormation), system scaling strategies, and modern observability tools (CloudWatch, OpenTelemetry, Prometheus, Grafana). Deep expertise in relational database design and performance tuning, with hands-on experience in PostgreSQL and/or MySQ

offered :


  • Premium medical and dental care
  • Life insurance
  • Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets etc.)
  • Employee Referral Program
  • Hackathons, Knowledge Sharing Hours, In-house projects
  • Tech and sport communities
  • Events and integration parties
  • Charity initiatives, 2 extra volunteer days
  • English/German classes
  • Game room and chillout zone

benefits :


  • private medical care
  • life insurance
  • remote work opportunities
  • flexible working time
  • fruits
  • 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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