Senior Kotlin Engineer

We are seeking a Senior Kotlin Engineer to develop backend services for award-winning mobile applications.

Collaborate with engineers, product managers, designers, and QA to create new products and platforms. Apply your technical skills and creativity to solve challenging problems and deliver high-quality code. We encourage you to apply and contribute to our innovative projects.

Responsibilities

• Build server-side applications supporting mobile clients
• Write, refactor, and delete code to improve system quality
• Design solutions for open-ended problems
• Integrate backend services with bespoke legacy systems
• Conduct performance analysis and optimization
• Develop and maintain unit tests
• Fix bugs and address technical debt
• Implement asynchronous code to improve responsiveness
• Collaborate with cross-functional teams including product, design, and QA
• Utilize build tools and continuous integration pipelines
• Contribute to open source projects and internal knowledge sharing
• Self-start and drive tasks to completion

Requirements

• Bachelor’s degree in Computer Science or related field or equivalent experience
• 3+ years of experience in Kotlin development
• Proficient in building server-side applications and REST APIs
• Experience with asynchronous programming and performance optimization
• Familiarity with Gradle and continuous integration
• Ability to work effectively within a team environment
• Upper-Intermediate English language proficiency (B2)

Nice to have

• Knowledge of GraphQL and RAML specifications
• Experience with Docker containerization
• Background in unit testing best practices
• Familiarity with legacy codebase maintenance

We offer

• International projects with top brands
• Work with global teams of highly skilled, diverse peers
• Healthcare benefits
• Employee financial programs
• Paid time off and sick leave
• Upskilling, reskilling and certification courses
• Unlimited access to the LinkedIn Learning library and 22,000+ courses
• Global career opportunities
• Volunteer and community involvement opportunities
• EPAM Employee Groups
• Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn