Back to search:Senior Java / Poland, Ny
About the client

Our customer is the European online car market with over 30 million monthly users, with a market presence in 18 countries. As a Senior Java Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.

Responsibilities
  • Design and implement scalable backend services in Java
  • Model complex business domains using strong type systems
  • Build and maintain event-driven and distributed systems
  • Contribute to architectural decisions around concurrency, streaming, and data consistency
  • Write clean, testable, and maintainable code
  • Improve CI/CD pipelines, observability, and system reliability
  • Collaborate closely with product and platform teams
Tech Stack
  • Java
  • Cats / Cats Effect / FS2 / Http4s
Kafka (event‑driven architecture)
  • PostgreSQL
  • Docker / Kubernetes
  • AWS
  • CI/CD (Github Actions)
Required Experience
  • 4+ years of backend development experience (Java)
  • Java Spring Boot experience
  • Experience working with cloud platforms, preferably AWS, is required.
  • Familiarity with event‑driven architectures (Kafka)
  • Hands‑on experience with the Typelevel ecosystem
We offer
  • Flexible working format - remote, office‑based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location‑specific benefits
  • Not applicable for freelancers
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