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Mellon Group of Companies

Medium/Senior Software Engineer (Java)

Athens , Greece
full-time

AI overview

Join a dynamic subsidiary of a leading multinational to build scalable Java applications that directly enhance financial solutions for major institutions.

Mellon Group is a leading Greek multinational organization providing specialized fintech and customer experience solutions to major financial institutions and large enterprises. Headquartered in Athens, Greece, the Group employs over 9,000 professionals across 13 countries. It delivers innovative technological solutions and value-added services to organizations with high consumer transaction volumes, including retail banks, telecommunications providers, public utilities, and large private companies.

We are currently seeking a Medium/Senior Software Engineer (Java) to join one of the Group’s subsidiaries.

We’re looking for an experienced Java engineer to build scalable, high-quality systems and contribute to modern, impactful projects.

Responsibilities

  • Design, develop, and maintain Java-based applications
  • Work with Spring (Boot, Security, Data) and Hibernate/JPA
  • Collaborate with cross-functional teams to deliver reliable solutions
  • Mentor junior developers and promote engineering best practices
  • Improve system performance, architecture, and code quality

Requirements

  • 3+ years of software development experience
  • Strong knowledge of Java, OOP, and Git
  • Experience with REST APIs, SQL, and relational databases
  • Familiarity with CI/CD pipelines and Agile methodologies


Nice to Have

  • Exposure to .NET, React, or cloud/microservices architectures
  • Experience with Docker, Kubernetes, or contact center platforms (e.g. Genesys)
  • Background in regulated industries (banking, telecom, healthcare)

Benefits

  • Modern, collaborative work environment
  • Continuous learning and career growth opportunities
  • Competitive salary, benefits, and flexible working options

If you’re passionate about building robust software with real business impact, apply now.

#LI-Hybrid

Mellon Group of Companies

Established in 1994, Mellon is a multinational group of companies operating in 11 countries within our corporate headquarters located in Piraeus, Greece. Our area of expertise expands on specialized technology solutions, software services, contact center and business process outsourcing enabling financial institutions and large organizations to transform their business ecosystems, empowering their digital journey, and greatly simplifying and facilitating transactions with other businesses and its customers. Our Mission is to empower today’s businesses and organizations with tomorrow’s technologies to deliver unique experiences to their own customers and become future proof. At Mellon, we cultivate a challenging, collaborative, and relationship-oriented working environment that offers development opportunities and exposure to international practices. We are proud of our people, and we believe that leveraging diverse cultures and backgrounds improves our everyday life and boosts innovation and efficiency. Join us to make a real impact, shape the industry, be part of an award-winning team of professionals, and experience a multinational culture.

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