Application Developer

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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.

Olten | Working from home up to 40% | Reference 7488

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.

• 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.

• At least 5 years of experience in designing, developing, and maintaining enterprise applications.
• Strong skills in Java (OpenJDK), Spring Boot, and Angular; experienced with Open Shift, Git Lab, Ansible, Tomcat, and Wild Fly; 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 Mateusz Kozielec at  .

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.

Flexible Work Models
We trust our employees and offer a work environment that is well-balanced, productive and fosters success.

Personal Development
You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods
Whether through scrum or design thinking,
we solve exciting tasks together in teams.