C Software Developer

This is an excellent opportunity to join a well-established FinTech company, Great Place to Work certified, where finance and technology meet, producing some of the most low-latency, high-performance and data-intensive systems in the Greek capital market.

We seek a professional C Software Developer to design and build high-performance Linux server applications and systems. This role offers the chance to make a significant impact on next-generation trading and financial infrastructure.

You’ll collaborate closely with a talented team working across multiple layers of our technology stack—driving innovation, performance, and reliability at every level.

Key Accountabilities

• Design, build and maintain efficient, reusable, and reliable C code
• Implement performance and quality modules
• Identify bottlenecks and bugs, and devise solutions to these problems
• Help maintain code quality, organization, and automation.
  
  

Knowledge And Experience

• BSc degree in Computer Science or Information Technology or other science degree
• At least 3 years of professional experience in similar roles in software development using C programming, Linux IPC & network programming (sockets)
• Experience in using software development environments like VS Code using C programming language
• Good knowledge of software engineering principles, methods and techniques including Object – Oriented Design and Programming
• Good understanding of memory management in non-garbage collected environments
• Good understanding of messages queues and shared memory implementation in Linux
• Professional experience with bash, csh and/or Python scripting languages.
  
  

Nice to have

• Postgraduate degree in Computer Science or Information Technology or other science degree
• Experience in developing software in Financial or Banking Sector
• Experience in C++ programming
• Experience in DevOps techniques, methodologies and tools like the following
• Gitlab and gitflow
• Static Code Quality Analysis Tools
• Automated Code Building (CMAKE)
• Unit Testing and End to End testing
• Other CI/CD techniques like DevSecOps
• Knowledge and experience in the use of web-based development tools, n-tier architecture, design and software implementation
• Experience in creating technical documentation.
  

Skills & Competences

• Eagerness to learn and adopt new technologies
• Solid collaboration skills and the ability to work autonomously
• Strong communication skills, both verbal and written
• Fluency in both Greek and English
• Fulfilled military obligations (for men).
  
  

What We Offer

At Athens Exchange Group, we highly value our employees and provide them with a work environment that fosters creativity and personal growth. Our compensation and benefits scheme is designed to support our employees and their families, and it includes:

• Hybrid working model
• Competitive base salary
• Annual bonus based on company and individual performance
• Retirement savings plan, according to company policy
• Private health & life insurance with free inclusion of family members
• Family benefits (Kindergarten and summer camp allowance, Christmas gifts, increased parental leave, etc.)
• Subsidized meals in company restaurant
• Access to online training platforms such as LinkedIn Learning, Udemy, Pluralsight & continuous learning opportunities
• 24/7 employee assistance program
• Participation in company sports activities (e.g. soccer, basketball, beach volleyball, pilates).
  
  

ATHEXGROUP is committed to providing equal employment opportunities and positively encourages applications from suitably qualified candidates regardless of gender, age, disability, religion, race, nationality or origin, gender identity and/or expression, sexual orientation, or any other status protected by applicable law.

The Athens Exchange Group operates the Greek Capital Market, offering trading services for equities, derivatives, and bonds, performing clearing and settlement services and maintaining the registry of securities, in full alignment with international practices and the European regulatory framework.