Senior Software Engineer, Core Banking

Sygnum is a global digital asset banking group, founded on Swiss and Singapore heritage. We empower professional and institutional investors, banks, corporates and DLT foundations to invest in digital assets with complete trust. Our team enables this through our institutional-grade security, expert personal service and portfolio of regulated digital asset banking, asset management, tokenisation and B2B services.

In Switzerland, Sygnum holds a banking licence and has CMS and Major Payment Institution Licences in Singapore. The group is also regulated in the established global financial hubs of Abu Dhabi and Luxembourg.

You will join a team of engineers responsible for building processes and interfaces that connect Sygnum’s digital asset solutions with our core banking platform. Your work will ensure seamless synchronization between digital assets and core banking operations. As a senior software engineer, you will play a key role in advancing these integrations across business domains, driving scalability for booking processes, and ensuring the quality and reliability of our systems.

You will also design and maintain API-based features (such as balance retrieval, account transfers, payments, trading, and messaging) to meet evolving client and business needs.

• Actively participate in developing new features and improvements by writing and reviewing high-quality, secure code with comprehensive test coverage
• Constantly enhance the quality and security of applications, identifying existing technical debt and making plans to repay it
• Respond to production incidents promptly and efficiently, collaborating with cross-functional teams to resolve issues and restore service continuity
• Collaborate with platform engineers to enhance CI/CD pipelines and streamline release processes
• Collaborate with site reliability engineers and solution architects to optimize application availability, resilience, and observability
• Nurture and guide more junior software engineers through coaching and mentoring
• Develop scalable backend services based on our tech-stack:
  Java running on AWS
• Demonstrate a collaborative and growth mindset
• Prioritize quality and security throughout the software development lifecycle
• Take ownership of the entire development lifecycle, from designing solutions to running the application in production
• Proactively seek new opportunities and challenges

• Expertise in Java (21+)
• Expertise in Quarkus (or Spring)
• Experience working with RDBMS (ideally Postgres)
• Experience utilizing Kafka
• Experience with caching frameworks (ideally Redis)
• Designing flexible and robust REST APIs with an API-first approach
• Understanding microservices, event-driven architecture, and high quality, secure implementation
• Working knowledge of Docker and containerization
• Experience working with Kubernetes
• Experience working with AWS is beneficial
• Experience working with Typescript and a UI framework (React, Angular) is beneficial

Sygnum offers a comprehensive package of benefits for all team members. They include:

• Attractive combination of market salaries and entrepreneurial incentive scheme
• Flexible/Work at home policies
• Professional development via Mentoring and Buddy programs
• One-month fully paid sabbatical after five years of continuous employment