HubMub
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N-iX

Senior Java Engineer

N-iX
Ukraine · Full-time · Mid-Senior
Our client is a leading European online car marketplace, reaching over 30 million users per month across 18 countries. As a Senior Java Engineer, you will play a key role in shaping the future of online car trading and enhancing the experience for millions of 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.

Requirements:

  • 4+ years of backend development experience in Java;
  • Experience with Java Spring Boot;
  • Familiarity with event-driven architectures (Kafka);
  • Deep understanding of effect systems (Cats Effect), functional programming principles, type classes, higher-kinded types, pure vs impure boundaries;
  • Experience building distributed systems;
  • Strong understanding of concurrency and asynchronous programming;
  • Upper-intermediate English or higher.

Nice to Have:

  • Experience with Scala 3;
  • Experience with PHP;
  • Knowledge of tagless-final patterns;
  • Experience in fintech or high-integrity domains;
  • Contribution to open-source projects.

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

Key Skills

Ranked by relevance

java functional programming scala cicd
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Posted
Apr 07, 2026
Type
Full-time
Level
Mid-Senior
Location
Lviv
Company
N-iX

Industries

Construction Software Development IT Services IT Consulting

Categories

Engineering

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