We are looking for a Senior Java Server-side Engineer to develop and enhance a Backend-for-Frontend service layer that drives high-traffic mobile experiences for clients around the globe. You will work alongside engineers, product partners, designers, and QA to ship dependable APIs and top-tier code. Join us to help shape the next wave of mobile platforms!
Responsibilities
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Architect and develop the Backend-for-Frontend API layer consumed by mobile applications
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Build REST endpoints and service contracts that enable mobile user journeys
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Enhance service performance via profiling, analysis, and focused improvements
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Rework legacy code to boost maintainability, readability, and reliability
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Produce clean, testable code and sustain strong unit test coverage
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Connect with existing backend services and manage bespoke and legacy dependencies
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Resolve defects by identifying root causes and delivering safe, timely patches
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Partner with engineers, product partners, designers, and QA to ship features
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Support CI workflows and build tooling to keep delivery running smoothly
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Exchange ideas and champion great user experience through API and data design
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Eliminate unnecessary code and cut technical debt to keep the codebase healthy
Requirements
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Qualifications in Computer Science or related field (Bachelor’s), or equivalent experience
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3+ years of experience building server-side applications in Java
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Competency in solution design for open-ended problems
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Expertise in Spring Boot for building and maintaining services
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Proficiency in REST API development, including integration with legacy services
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Knowledge of algorithms and data structures for efficient implementations
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Skills in unit testing with a test-driven mindset
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Familiarity with build tools and experience with CI workflows
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Capability to analyze and optimize performance for backend services
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Proficiency in troubleshooting for debugging and fixing production issues
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Showcase of self-starter mindset with ownership and proactive communication
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Skills in senior-level collaboration with cross-functional teams
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Proficiency in English at an Upper-Intermediate level (B2) or higher
Nice to have
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Skills in Docker for containerizing and running services locally and in pipelines
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Background in Gradle for builds and dependency management
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Familiarity with GraphQL for designing and consuming GQL APIs
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Proficiency in Kotlin for server-side development on the JVM
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Knowledge of RAML for API modeling and documentation
We offer
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International projects with top brands
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Work with global teams of highly skilled, diverse peers
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Healthcare benefits
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Employee financial programs
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Paid time off and sick leave
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Upskilling, reskilling and certification courses
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Unlimited access to the LinkedIn Learning library and 22,000+ courses
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Global career opportunities
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Volunteer and community involvement opportunities
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EPAM Employee Groups
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Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn
