Lead Server-side Engineer; Java)

Position: Lead Server-side Engineer (Java)
We are looking for a Lead Server-side Engineer to build and evolve a high-scale Backend for Frontend service layer for mobile experiences used by tens of millions of cardholders worldwide. You will lead design and delivery with a cross-functional team, prioritize performance and code quality, and help shape technical direction. Apply to join us.

Responsibilities Design the Backend for Frontend architecture for mobile-facing APIsLead technical decisions and mentor engineers on best practices and code quality

Build server-side services in Java using Spring Boot Define and implement REST API contracts that support excellent client experiences

Write unit tests and enforce reliable automated test coverage

Optimize latency, throughput, and resource usage through performance analysis

Coordinate delivery with product, design, and QA to meet quality and timeline goals

Refactor legacy code to improve maintainability, readability, and safety

Fix production issues by debugging, triaging, and implementing robust solutions

Integrate with existing backend services, including bespoke legacy systems

Improve CI and build pipelines to increase delivery speed and confidence

Review code and promote clean, elegant, and secure implementations

Requirements5+ years of Java backend development experience

Strong leadership skills in guiding engineers and technical decision-making

Proven project delivery experience in cross-functional teams with product, design, and QAAdvanced Spring Boot knowledge for building server-side applications

Strong REST API design skills for mobile-facing service layers

Solid algorithms and data structures knowledge for solving complex problems

Strong unit testing skills and test-driven development mindset

Hands-on performance analysis and optimization skills for high-traffic services

Experience with CI and build tools in modern engineering workflows

Strong problem-solving skills for open-ended solution design and legacy integrations

Clear communication skills and willingness to share ideas and drive alignment

Bachelor’s degree in Computer Science or related field, or equivalent experience

English Upper-Intermediate (B2) proficiency

Nice to have Docker for local development and service packaging

Gradle for build configuration and dependency management

GraphQL for API schema design and query optimization

Kotlin for JVM-based backend developmentRAML for API modeling and documentation

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 Linked In Learning library and 22,000+ courses

Global career opportunities

Volunteer and community involvement opportunitiesEPAM Employee Groups Award-winning culture recognized by Glassdoor, Newsweek and Linked In