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