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Lead Application Developer at SIX in Olten – shape the future of finance with cutting‑edge tech.
Join our agile team to build high‑performance solutions for Post‑Trading services.
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.
Application Developer (80-100%)
Olten | Onsite | Reference 7835
Are you passionate about modern technology and building high-performance applications? Do you thrive in an agile environment where collaboration, trust, and ownership matter? Join our Application Development Team and help deliver innovative, high-quality solutions for our customers. As a Lead Application Designer & Developer, you will work closely with business and IT stakeholders, design enterprise-grade solutions, and take an active role in guiding and performing key development tasks.
What You Will Do
- Build scalable web and core systems for SIX’s Post-Trading business, focusing on robust architecture and efficient implementation.
- Modernize and maintain existing enterprise applications and web services.
- Collaborate with Product Owners and Architects to define solutions and maintain technical documentation.
- Perform reviews, enforce best practices, ensure security and regulatory compliance, and provide technical guidance to development teams.
- Promote automation in development processes, including CI/CD pipelines, and foster open communication within the team.
What You Bring
- At least 5 years of experience in designing, developing, and maintaining enterprise applications.
- Strong skills in Java (OpenJDK), Spring Boot, and Angular; experienced with OpenShift, GitLab, Ansible, Tomcat, and WildFly; and hands‑on experience working with relational databases.
- Ability to lead and support development teams with technical guidance while actively contributing as a lead developer.
- Knowledge of secure coding practices and web security principles.
- Proficiency in English (written and spoken); German and/or Spanish are a plus.
If you have any questions, check out our FAQ page or call Beata Czyzewska at +48 22 104 6571 / +41 58 399 9800 / +34 91 330 51 49 .
For this vacancy we only accept direct applications.
Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.