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 APIs

• Lead 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

Requirements

• 5+ 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 QA

• Advanced 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 development

• RAML 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 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