Senior Java Developer (with React)
Skills
About the role
We are searching for a Senior Java Developer to join our team.
You will create and support microservices-based applications with Java, Spring Boot, and cloud technologies, delivering clean and efficient code, partnering closely with the team, and following best practices for quality, scalability, and performance. You will become part of an established blended team made up of EPAM and the customer's engineers, focused on developing and improving Identity Management solutions for the customer's enterprise platform. This is a cooperative, fast-paced setting where clear communication and client engagement carry the same weight as technical expertise. You will engage directly with customer stakeholders, so strong client-facing skills will be a key element for succeeding in this role.
Responsibilities
Design, construct, and support high-performance backend microservices using Java and Spring Boot alongside Spring Security
Provide and maintain OAuth2, authentication, and authorization flows within the customer's Identity Management platform
Contribute to front-end development efforts when needed, supporting the team in delivering complete end-to-end features as a secondary focus
Cooperate closely with customer engineers and stakeholders, effectively communicating technical decisions, progress, and any blockers
Engage in code reviews, promote best practices, and take part in architectural discussions while working in a paired programming setup
Interface with identity-related components such as token management, user authentication flows, and session handling
Function within an Agile and Scrum delivery approach, actively taking part in sprint ceremonies and backlog refinement sessions
Ensure that solutions consistently meet security, scalability, and performance expectations across the whole platform
Requirements
At least 3 years of applied professional experience in software engineering
Deep expertise in Java (11/17 or newer) paired with intermediate ReactJS proficiency for frontend contributions
Solid practical experience in RESTful API design and development
Hands-on background with OAuth2, OpenID Connect (OIDC), and related authentication and authorization frameworks
Understanding of Identity Management concepts such as SSO, token-based authentication, JWT, and PKCE flows
Working experience with SQL and/or NoSQL storage technologies
Confident command of CI/CD pipelines, Git, and modern DevOps approaches
Strong English communication at B2 level or higher, both written and spoken
Nice to have
Working knowledge of Go for backend engineering tasks
Practical experience with JavaScript to assist with frontend-related activities
Familiarity with SAP Commerce Cloud (Hybris Commerce) for connecting with e-commerce platforms
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
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