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EPAM Systems

Senior Java Developer

EPAM Systems
Ukraine · Full-time · Mid-Senior
We are seeking a skilled Senior Java Developer to join our team.

This role involves leading the development of Spring Boot-based microservices that bridge customer-facing frontends with a complex ecosystem of backend services, including Salesforce, Gigya, and various e-commerce APIs. The ideal candidate is an expert in modern Java and cloud-native development, with a strong emphasis on building scalable, secure, and observable systems.

Responsibilities


  • Lead development efforts and provide technical guidance to the team
  • Design and implement reactive systems using modern Java (Java 21) and the Spring ecosystem, including Spring Boot and Spring WebFlux
  • Develop and deploy scalable microservices on AWS, leveraging ECS Fargate and API Gateway
  • Build observable systems with distributed tracing (OpenTelemetry, AWS X-Ray), metrics (Micrometer), and centralized logging (Logstash, MDC)
  • Implement robust API security practices, including JWT-based authentication and service-to-service security within a VPC
  • Quickly learn and adapt to an internal proprietary framework to streamline development and ensure service consistency
  • Apply system design principles to optimize performance, ensure high availability, and implement efficient caching strategies


Requirements


  • Bachelor’s degree in Computer Science, Computer Engineering, or a related field
  • At least 3 years of experience in software development
  • Proven experience leading development teams and providing technical leadership
  • Expert-level proficiency in modern Java (Java 21) and the Spring ecosystem, particularly Spring Boot and Spring WebFlux
  • Strong knowledge of microservice architecture and experience deploying applications on AWS using ECS Fargate and API Gateway
  • Hands-on experience building observable systems with tools like OpenTelemetry, AWS X-Ray, Micrometer, and Logstash
  • In-depth understanding of API security, including JWT authentication, service-to-service security, and networking concepts within a VPC
  • Ability to quickly learn and apply internal proprietary frameworks to enhance development efficiency and maintain consistency
  • Solid grasp of system design, including performance tuning, high availability, and caching techniques
  • Proficiency in English (written and spoken) at a B2 level or higher


Nice to have


  • Experience working with Adobe Experience Manager


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


Key Skills

Ranked by relevance

java aws spring boot high availability microservices ecs security practices salesforce cloud
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Posted
Jul 11, 2025
Type
Full-time
Level
Mid-Senior
Location
Ukraine
Company
EPAM Systems

Industries

Software Development IT Services IT Consulting Retail

Categories

Information Technology Engineering Business Development

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