Sygnum Bank
Senior Mobile Engineer (80-100%)
Sygnum BankSwitzerland3 days ago
Full-timeInformation Technology

About Sygnum


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, tokenization 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.


We believe that the future has heritage. Our crypto-native team of banking, investment and digital asset technology professionals are building a trusted gateway between the traditional and digital asset economies that we call Future Finance. To learn more about how Sygnum’s mission and values are shaping this digital asset ecosystem, please visit sygnum.com and follow us on LinkedIn and X.


Our Values


A key pillar of our success are the Sygnum values that define and unite us a team. We proudly call them our SYGN values:

  • S stands for the importance we hold in Seeking and seizing opportunities, and the way we take personal ownership for delivering results for our clients;
  • Y represents the way we say Yes to maintaining the highest level of integrity and fairness in everything we do. Sygnumers always display confidence without attitude;
  • G reminds us to always Grow and win together. We only succeed by supporting each other and challenging ourselves, and our team-mates, to reach for new heights;
  • N is here for Nose for value because we are always looking to focus on what matters most to our clients, partners and team.

Sygnum has one of the most diverse teams in the industry. Diversity plays a central role in keeping our work culture open, our teams productive and energised, and our solutions at the forefront of the industry. In the spirit of our SYGN value to “grow and win together”, we fully embrace an equal opportunity mindset in the way we onboard, develop and promote our team members.


About the role

  • Contribute to defining and maintaining the overall mobile application architecture using React Native and TypeScript
  • Lead technical decisions related to state management, navigation, modularization, testing strategy, and architectural patterns
  • Ensure clean and well-defined boundaries between presentation, domain, and data layers
  • Support the introduction and adoption of a consistent design system across the application
  • Establish and enforce coding standards and best practices across the mobile codebase
  • Drive the testing approach (unit, integration, E2E) to ensure robust, predictable, and high-quality releases
  • Collaborate closely with product, design, and backend teams to deliver consistent, accessible, and user-friendly interfaces


Our ideal candidate

  • 5+ years of hands-on experience developing React Native applications in production, ideally within enterprise or regulated environments
  • Strong proficiency in TypeScript and modern React patterns
  • Solid experience with state management solutions, validation libraries, secure storage mechanisms, and biometric authentication
  • Good understanding of mobile security fundamentals, including device integrity, secure storage, encryption concepts etc.
  • Experience integrating native modules and working directly with iOS and Android project configurations
  • Experience with CI/CD pipelines for mobile delivery, including build automation, app distribution, and code signing


Our Offer

Joining Sygnum means being part of a dynamic, global team that is building a trusted gateway between the traditional and digital asset economies. Working at Sygnum, you will experience our fast-paced, exciting work environment that embraces meritocracy and collaboration and open communication. Alongside our ambitious long-term mission, we also come together for reaching important milestones and annual crypto-industry anniversaries like Bitcoin Pizza Day, and regularly celebrate together at themed company events as part of our journey to shape Future Finance.


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


If you are passionate about the potential of blockchain to shape Future Finance and your profile is a good fit for this position, please send us your CV today!

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