Senior Java Software Engineer

About the role

Agile Actors is a tech company that augments and empowers technical teams for international and Greek clients, certified as a Great Place to Work 2026. This Senior Java Software Engineer position is based in one of its local teams in Athens, working with global clients such as Austrian Post, Red Hat and Swissquote. The role suits a seasoned technical leader who enjoys solving problems and mentoring others.

Required profile

• Seasoned professional with deep technical expertise and a passion for continuous learning and mentorship.
• Ability to architect robust, maintainable and secure solutions and to set standards for software development.
• Experience deploying, monitoring and maintaining production systems at scale, with a focus on reliability and observability.
• Track record of implementing software engineering best practices across teams.

Required skills

• Java in complex, high-scale environments, with Spring Boot, Spring Cloud, Quarkus, Hibernate, JPA and MyBatis.
• Advanced RDBMS skills: schema design, performance tuning and large-scale data migrations.
• Scalable REST and/or SOAP APIs with versioning and documentation.
• Distributed computing, concurrency, threading and performance optimization.
• Nice to have: NoSQL and polyglot persistence, automated testing and CI/CD pipelines, microservices and service mesh, Kotlin/Scala/Groovy, Docker, Kubernetes, cloud-native deployment, APM tools and distributed tracing.

What we offer

• Tailored remuneration package with a competitive salary.
• Private health care insurance and a ticket restaurant card.
• Psychological support helpline with 5 free sessions.
• Internal coaching program, personal development plan and 360 feedback model.
• Unlimited training resources (Udemy, Coursera, Pluralsight) and career pathways.
• Flexible working conditions tailored to the assigned account.