Senior Application Engineer (80 - 100%)

develop, maintain, and support IT applications in the Connectivity Area for Post Trading using Java, Spring Boot, Spring Integration, and related frameworks. Collaborate closely with business and technical stakeholders to understand requirements, translate them into effective solutions, and communicate clearly across different stakeholder groups ensure smooth IT operations (3rd Level application support) and incident management within SLA requirements, including ITSM processes, service desk activities, problem resolution, and participation in a rotating on-call (picket) support schedule (approx. once every 4-6 weeks) using Jira and Confluence. implement and deploy new releases across Development, Test, and Production environments (OCP, Linux), leveraging CI/CD pipelines and tools such as GitLab, Maven, JFrog. adhere to architectural, security, and compliance standards throughout the development lifecycle, utilizing best practices and tools like SonarQube and XRAY. drives continuous improvement in application SLAs, monitoring, and automation by leveraging, Grafana, Elastic, Ansible and proactively managing technical debt. interacts with other stakeholders: Application Architects, Solution Designers, Project Teams and Developers

You are enthusiastic about exciting projects in the financial industry, you enjoy working with internal and external interfaces and you are good at managing IT systems? Then become part of our IT team., 9-14 years of hands-on experience in software development, application maintenance, and production support, with a strong commitment to resolving critical issues. solid experience in Java technologies (Spring Boot, JPA/Hibernate) and with relational databases such as Oracle and MS SQL. proficiency with modern DevOps and automation tools, including Git, Maven, Helm 3, Ansible, and Argo CD. experience in C/C++ is a plus ability to thrive in fast-paced, agile environments, demonstrating flexibility to work outside normal hours when needed to support production. excellent English communication skills (written and spoken) are required; domain knowledge of banking or post-trading services is a plus.

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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.

SIX operates the infrastructure underpinning the Swiss financial sector and offers a comprehensive range of services around the world in the fields of securities trading and settlement, financial information and payment transactions.