C/Java Software Engineer
Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Oct 23, 2026.
SIX drives the transformation of financial markets.
What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.
C/Java Software Engineer
Paris|Working from home up to 40%| Reference8365
Are you passionate about development and excited by the challenge of modernizing established software solutions? Do you have experience in C and Java language?
Join us as a Software Engineer C/Java and play an active role in evolving our applications and engineering practices within the financial industry. You will design and develop reliable software components, contribute to modernization initiatives, and strengthen automation and CI/CD practices within an Agile/DevOps environment.
This position has a hybrid model and is based in our Paris office.
Does it sound interesting for you? Don't hesitate and apply now with your CV in English.
What You Will Do
- Design, develop and maintain software applications using C, SQL, Java
- Develop and maintain automated CI/CD pipelines
- Implement unit, integration and regression tests.
- Troubleshoot, optimize and improve application performance.
- Support deployment, monitoring and production incident resolution.
- Contribute to technical documentation and continuous improvement initiatives
- Practices within an Agile/DevOps environment
What You bring
- Strong experience in C and SQL, with proficiency in Linux development environments and Java experience
- Strong analytical and problem-solving skills for understanding, maintaining, and troubleshooting existing code
- Strong collaboration skills
- Customer-focused and quality-driven approach
- Fluent in French, with a good command of English (both written and Spoken)
If you have any questions, check out our FAQ page or call Sara Perez de la Cuestaat +34 91 709 56 80.
For this vacancy we only accept direct applications in English.
Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.