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 14 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 Junior .NET / CTI Developer to join one of the Group’s subsidiaries.
Key Responsibilities
- Develop, test, and maintain applications using the Microsoft .NET framework/.NET Core
- Assist in the implementation and support of Dialer and CTI solutions
- Integrate telephony systems with business applications and databases
- Troubleshoot and resolve software and system issues
- Participate in system upgrades, enhancements, and new feature development
- Collaborate with business and technical teams to gather requirements and deliver solutions
- Create and maintain technical documentation
- Support production environments and assist with issue resolution
Requirements
- Degree in Computer Science, Information Technology, Software Engineering, or a related field
- Basic knowledge of C# and the .NET Framework/.NET Core
- Understanding of SQL and relational databases
- Familiarity with web services, APIs, and system integrations
- Strong analytical and problem-solving skills
- Ability to work both independently and as part of a team
- Good communication skills in English
Nice to have
- Knowledge of contact center technologies, Dialers, or CTI platforms
- Familiarity with SIP, VoIP, or telephony systems
- Experience with Microsoft SQL Server or Oracle
- Understanding of REST APIs and integration technologies
- Exposure to cloud technologies and modern development practices
Benefits
- Modern, collaborative work environment
- Continuous learning and career growth opportunities
- Competitive salary, benefits, and flexible working options
#LI-Hybrid
Skills Required
- Degree in Computer Science, Information Technology, Software Engineering, or related field
- Basic knowledge of C# and the .NET Framework/.NET Core
- Understanding of SQL and relational databases
- Familiarity with web services, APIs, and system integrations
- Strong analytical and problem-solving skills
- Ability to work independently and as part of a team
- Good communication skills in English
- Knowledge of contact center technologies, Dialers, or CTI platforms
- Familiarity with SIP, VoIP, or telephony systems
- Experience with Microsoft SQL Server or Oracle
- Understanding of REST APIs and integration technologies
- Exposure to cloud technologies and modern development practices
What We Do
Mellon Group of Companies, established in 1994 and headquartered in Piraeus, Greece, is a leading multinational organization providing comprehensive technology solutions, contact center services, and business process outsourcing. With a presence in over 11 countries, the group specializes in payment technologies, retail banking software, and hardware solutions. They partner with technology leaders to facilitate secure transactions and interactions for financial institutions, retail chains, and public sector organizations across Central and SE Europe.








