Senior Java+Scala 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 Scala + 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 Scala and 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 in Scala and Java (main focus on Scala)
• Java Spring Boot experience
• Experience with Clouds, AWS preferably
• Familiarity with event-driven architectures (Kafka)
• Hands-on experience with the Typelevel ecosystem
• 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
• At least upper-intermediate English level

Nice to Have:

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

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