Senior Java Engineer

About us: N-iX is a software development service company that helps businesses across the globe develop successful software products. Founded in 2002 in Lviv, N-iX has come a long way and increased its presence in eight countries Poland, Ukraine, Sweden, Bulgaria, Malta, the UK, the US, and Colombia. Today, we are a strong community of 2,000+ professionals and a reliable partner for global industry leaders and Fortune 500 companies.  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. Tech Stack: Java Cats / Cats Effect / FS2 / Http4s Kafka (event-driven architecture) PostgreSQL Docker / Kubernetes AWS CI/CD (Github Actions)     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   Required Experience: • 4+ years of backend development experience (Java) • Java Spring Boot еxperience • 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