Junior C++ Software Developer, Athens Greece

About this role

Launch Your Tech Career with a Global Investment Bank – Junior C++ Software Developer (Athens) Are you a recent Computer Science graduate with strong C++ experience gained through university projects, internships, or professional experience? Join the mthree Alumni Graduate Programme, designed to give you everything you need to hit the ground running. From expert-led training to an impactful 12-month placement with a world-leading investment bank, this is your launchpad into tech.

What You’ll Do Join dynamic, global teams to build full-stack, real-world applications. Write clean, testable code and develop your skills in debugging, troubleshooting, and test-driven development. Gain hands-on experience in monitoring, support, and production-level systems. Collaborate effectively while developing your professional and communication skills. See your code come to life in high-impact environments, making a real difference from day one.

What We’re Looking For A Bachelor’s degree in Computer Science or a related field (Grade 8/10 or above), or equivalent technical skills gained through self-study, bootcamps, or hands-on experience. Must have strong existing C++ experience. A solid understanding of programming fundamentals. Familiarity with the software development lifecycle (SDLC), debugging techniques, and clean code principles. Fluent English communication skills (written and spoken).

Completed Greek military service, if applicable. (Due to the nature of our client commitments in Greece (including long-term placements and time-sensitive onboarding) we require all candidates who are subject to mandatory national service to have either completed or been formally exempted from it prior to joining.) Applicants must have the permanent legal right to live and work in Greece at the time of application and on an ongoing basis.

Unfortunately, we are unable to provide visa sponsorship now or in the future. How the Programme Works Apply – Submit your application and complete our online assessment. Interview – Phone/video interview with our Talent Team. Client Interview – Meet and interview with your future team. Train – Attend 5-6 weeks of expert-led training with mthree Academy. Placement – Begin your 12-month placement with a global investment bank through mthree.