Expleo Group

Senior Java Backend Engineer

Expleo Group

full-time

Posted on:

Location Type: Hybrid

Location: Bucharest • Romania

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Job Level

Senior

Tech Stack

DockerHibernateJavaMicroservicesOraclePostgresSpringSpring BootSpringBoot

About the role

  • Design, develop, and maintain backend services in Java.
  • Build and enhance REST APIs and microservices used in transaction-oriented systems.
  • Contribute to scalable and resilient architectures for high-volume applications.
  • Work on integrations with internal platforms, external partners, and financial service ecosystems.
  • Ensure code quality through testing, peer reviews, static analysis, and CI/CD practices.
  • Improve production readiness, observability, and operational stability.
  • Collaborate with cross-functional teams in an Agile / Scrum environment.
  • Apply secure engineering practices in business-critical and regulated systems.

Requirements

  • More than 5 years of experience in backend software engineering
  • Strong hands-on experience with Java
  • Solid experience with Spring / Spring Boot, JEE, and REST services
  • Good knowledge of microservices architecture
  • Experience with JPA / Hibernate
  • Good understanding of Oracle or PostgreSQL
  • Experience with Git, CI/CD, and code quality tools such as SonarQube
  • Familiarity with Docker
  • Exposure to runtime environments such as JBoss, Tomcat, or similar
  • Good understanding of secure development principles
  • Previous experience in payments, banking, fintech, or other transaction-heavy regulated environments
  • Strong English communication skills.
Benefits
  • Holiday Voucher
  • Private medical insurance
  • Performance bonus
  • Easter and Christmas bonus
  • Employee referral bonus
  • Bookster subscription
  • 7card
  • Work from home options depending on project
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaSpringSpring BootJEEREST APIsmicroservices architectureJPAHibernateOraclePostgreSQL
Soft Skills
strong English communication skillscollaborationpeer reviewscode qualitysecure engineering practices