Senior Full Stack Software Engineer

Natech Banking Solutions is a leading European fintech company with nearly 20 years of experience in developing advanced banking systems for major financial institutions. Headquartered in Ioannina, with offices in Athens, Switzerland and Germany, Natech is at the forefront of digital banking innovation. Our comprehensive product suite includes core banking systems and digital engagement tools, enabling financial institutions to deliver exceptional service. In partnership with Piraeus Bank, we are also developing Snappi, Greece's first digital-only bank. That's where you come in.

We are on the lookout for a dedicated Senior Fullstack Software Engineer to join our team and make Snappi, the greatest neobank out there

Working for a growing company is exciting, as it brings constant change and new challenges. Therefore, it is essential that you are adaptable, able to thrive in a dynamic environment, and comfortable with the fast-paced nature of our growth.

Your Responsibilities will include:

• Participating and leading the full software development life cycle, including design, development, testing, and deployment.
• Performing code reviews and writing efficient, reliable, and maintainable .NET code.
• Working closely with your Engineering Manager to understand client needs and tech architecture in order to develop scalable solutions.
• Troubleshooting and debugging complex software issues.
• Staying up-to-date with emerging trends and technologies in the software development industry.
• Mentoring junior and mid-level engineers and providing guidance as needed.

Requirements

• Full stack development experience: You've worked with languages like C# or Java for more than 5 years and have built robust, efficient end-to-end client facing web or mobile solutions that can handle real-world demands.
• API development skills: You understand how to design secure, well-structured APIs — including authentication (OAuth, OAuth2, JWT), versioning, error handling, rate limiting, and industry-standard security practices.
• Team player mentality: You thrive in collaborative environments, take feedback constructively, and contribute to shared goals with openness and accountability.
• Commitment to quality: You believe in writing clean, reliable code and have experience with Test-Driven Development (TDD) to keep standards high.
• CI/CD Knowledge: Proven professional experience with continuous integration and deployment processes to streamline development workflows.
• Adaptability & Resilience: Comfortable working in fast-paced, Agile environments, handling changing requirements, and using tools like Azure Devops/Jira and Git.
• Tools and AI: Experience with IDEs such as Cursor or Windsurf, proficiency in utilizing Copilots, and the application of advanced AI features to enhance delivery are regarded as significant advantages.

The Person who matches our Culture is:

• • Radical problem-solving approach, strong analytical skills, and a results-oriented mindset.
• Proactive approach when building solutions with a focus on results and accountability.
• Creative and innovative thinking, open to new ideas, and continuous improvement.
• Flexibility and adaptability in a dynamic work environment with changing priorities.

Benefits

At Natech, our employees enjoy benefits that enhance productivity and contribute to their professional development. Namely, we offer:

• Competitive compensation packages.
• Meal allowance.
• Private Health and Life insurance
• Private Pension Scheme
• Participation in impactful international projects
• Continuous opportunities for professional and personal development

We are proud to be an equal opportunity employer, committed to building a diverse and inclusive team where everyone feels valued, heard, and empowered to succeed—regardless of background, identity, or ability.

Learn how we deal with GDPR Compliance

Take a look at our Careers Page and learn more about our work environment