Lead Server-side Engineer (Java)

EPAM Systems, Inc.; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off and learning

Global career opportunities

Job summary

EPAM Systems, Inc. is seeking a Lead Server-side Engineer to shape the Backend for Frontend layer powering mobile experiences used by millions. You will lead design and delivery with a cross-functional team, prioritizing performance, quality, and scalable architectures.

Responsibilities include building Java/Spring Boot services, defining REST contracts, and mentoring engineers while maintaining robust test coverage and efficient CI/CD pipelines.

Qualifications

• 5+ years of Java backend development experience.
• Proven project delivery experience in cross-functional teams.
• Advanced Spring Boot knowledge for server-side applications.
• Strong REST API design skills for mobile-facing service layers.
• English at least Upper-Intermediate (B2) proficiency.

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.
• Refactor legacy code to improve maintainability, readability, and safety.

Skills

Java

Leadership

REST APIs

Spring Boot

CI/CD

Performance analysis

Problem solving

Communication

Education

Bachelor's degree in Computer Science

Tools

Docker

Gradle

GraphQL

Kotlin

RAML

Job description

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.ResponsibilitiesDesign the Backend for Frontend architecture for mobile-facing APIsLead technical decisions and mentor engineers on best practices and code qualityBuild server-side services in Java using Spring BootDefine and implement REST API contracts that support excellent client experiencesWrite unit tests and enforce reliable automated test coverageOptimize latency, throughput, and resource usage through performance analysisCoordinate delivery with product, design, and QA to meet quality and timeline goalsRefactor legacy code to improve maintainability, readability, and safetyFix production issues by debugging, triaging, and implementing robust solutionsIntegrate with existing backend services, including bespoke legacy systemsImprove CI and build pipelines to increase delivery speed and confidenceReview code and promote clean, elegant, and secure implementationsRequirements5+ years of Java backend development experienceStrong leadership skills in guiding engineers and technical decision-makingProven project delivery experience in cross-functional teams with product, design, and QAAdvanced Spring Boot knowledge for building server-side applicationsStrong REST API design skills for mobile-facing service layersSolid algorithms and data structures knowledge for solving complex problemsStrong unit testing skills and test-driven development mindsetHands-on performance analysis and optimization skills for high-traffic servicesExperience with CI and build tools in modern engineering workflowsStrong problem-solving skills for open-ended solution design and legacy integrationsClear communication skills and willingness to share ideas and drive alignmentBachelor’s degree in Computer Science or related field, or equivalent experienceEnglish Upper-Intermediate (B2) proficiencyNice to haveDocker for local development and service packagingGradle for build configuration and dependency managementGraphQL for API schema design and query optimizationKotlin for JVM-based backend developmentRAML for API modeling and documentationWe offerInternational projects with top brandsWork with global teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedIn