Java Software Engineer

We are seeking a Java Software Engineer to design, build, and operate scalable backend services and integrations, while providing occasional support to a modern web front end (Angular/TypeScript). You will champion engineering best practices, support delivery planning, and apply AI-assisted engineering using Microsoft Copilot to improve speed and quality, bringing fundamental AI architecture knowledge to collaborate on AI-enabled features and system design decisions.

Responsibilities

• Design, develop, and maintain backend services in Java (8+) using Spring Boot/Spring ecosystem and/or Quarkus
• Design and evolve RESTful APIs, including contracts, versioning, documentation, performance, and backward compatibility
• Implement persistence and data access using JPA/Hibernate (or Panache) with Microsoft SQL Server
• Build and support integration flows using Apache Camel, including routing, transformation, retries, error handling, and monitoring
• Apply microservices best practices including service boundaries, resiliency patterns, and operational readiness
• Contribute to CI/CD pipelines and release processes using Git and Azure DevOps
• Use Microsoft Copilot as part of daily development for implementation support, refactoring, test generation, and documentation, while validating results via reviews and automated tests
• Participate in solution design discussions involving AI-enabled capabilities, bringing a practical understanding of LLM integration basics, grounding concepts, and risk considerations
• Provide rare UI support in Angular/TypeScript, including small fixes, minor enhancements, and debugging API/UI interactions
• Support application operation in AWS-based environments, with basic awareness of IAM, logging, and monitoring
• Troubleshoot production and non-production issues, perform root-cause analysis, and implement sustainable fixes
• Collaborate with the team on delivery planning, estimation, and progress tracking, and actively contribute in Agile ceremonies
• Mentor team members through code reviews, pairing, and knowledge sharing to help improve engineering practices and consistency

Requirements

• 5+ years of professional Java development experience, with previous experience in a similar senior engineer role in the Banking sector
• Proficiency in Java 8+, including strong OOP, design patterns, and clean code
• Expertise in Spring Boot, Spring MVC, Spring Data and/or Quarkus
• Skills in RESTful APIs, JPA/Hibernate (or Panache), and Maven
• Knowledge of SQL and Microsoft SQL Server
• Background in Apache Camel
• Familiarity with Git, Azure DevOps, and microservices architecture
• Understanding of CI/CD pipelines and DevOps practices
• Capability to work with Angular and TypeScript fundamentals, including reading, debugging, and implementing small changes
• Competency in unit testing using JUnit and Mockito
• Strong problem-solving, analytical, and communication skills, with a proactive attitude and ability to work independently
• Good command of written and spoken Greek and English

Nice to have

• Familiarity with Docker/Kubernetes
• Knowledge of cloud platforms such as Azure, AWS, or GCP
• Background in Elastic stack (ELK)

Benefits

For your comfortable work:

• Remote and hybrid work opportunities
• Option to work from our centrally located office in Athens
• Corporate laptop provided
• Private health insurance
• Meal vouchers / restaurant tickets
• My Benefit card (264€/year)
• Monthly public transportation card

For your growth:

• Global and diverse client portfolio, large-scale projects, and trendy technologies
• Diverse multicultural, multi-functional, and multilingual work environment
• Opportunity to contribute to internal and open-source products
• Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey
• Possibility to create a Personal Development Plan from the first day in the company
• Numerous opportunities for self-development: hard & soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries
• Certification opportunities
• Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities
• Language courses