Senior Java Backend Engineer for Mobile APIs

EPAM Systems; Argentina; Presencial; ARS 1.620.000 - 1.980.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare benefits

Employee financial programs

Paid time off and sick leave

Upskilling and certification courses

LinkedIn Learning access

Descripción de la vacante

EPAM Systems is seeking a Senior Server-side Engineer to design and evolve a Backend-for-Frontend service layer powering high-traffic mobile experiences. You will collaborate with cross-functional teams to deliver reliable APIs and high-quality code, shaping the next generation of mobile platforms from Argentina.

Responsibilities include building the Backend-for-Frontend layer, implementing REST endpoints, and optimizing performance.

Formación

• 3+ years of Java experience building server-side applications.
• Senior-level collaboration skills working with cross-functional teams.
• Strong solution design skills for open-ended problems.
• Strong Spring Boot expertise for building and maintaining services.
• Strong REST API development skills, including integration with legacy services.
• Strong algorithms and data structures knowledge for efficient implementations.
• Strong unit testing skills and test-driven mindset.
• Build tools knowledge and experience with CI workflows.
• Performance analysis and optimization skills for backend services.
• Strong troubleshooting skills for debugging and fixing production issues.
• Self-starter mindset with ownership and proactive communication.
• Bachelor’s degree in Computer Science or related field, or equivalent experience.
• Upper-Intermediate English proficiency (B2) for effective communication.

Responsabilidades

• Design and build the Backend-for-Frontend API layer used by mobile applications.
• Implement REST endpoints and service contracts that support mobile user flows.
• Optimize service performance through profiling, analysis, and targeted improvements.
• Refactor legacy code to improve maintainability, readability, and reliability.
• Write clean, testable code and maintain strong unit test coverage.
• Integrate with existing backend services and handle bespoke and legacy dependencies.
• Fix defects by diagnosing root causes and shipping safe, timely patches.
• Collaborate with engineers, product partners, designers, and QA to deliver features.
• Contribute to CI workflows and build tooling to keep delivery smooth.
• Share ideas and advocate for great user experience through API and data design.
• Remove unnecessary code and reduce technical debt to keep the codebase healthy.

Conocimientos

Java

Team collaboration

Problem solving

REST API design

Unit testing

CI/CD

Performance optimization

Troubleshooting

Self-starter

English communication

Educación

Bachelor’s degree in Computer Science or related field

Herramientas

Docker

Gradle

GraphQL

Kotlin

RAML

Descripción del empleo

EPAM Systems is seeking a Senior Server-side Engineer to design and evolve a Backend-for-Frontend service layer powering high-traffic mobile experiences. You will collaborate with cross-functional teams to deliver reliable APIs and high-quality code, shaping the next generation of mobile platforms from Argentina.

Responsibilities include building the Backend-for-Frontend layer, implementing REST endpoints, and optimizing performance.