Solutions Architect – Custody & DeFi

Zürich, Switzerland
Engineering / Technics
Deadline: January 31, 2022

Sygnum’s diverse and talented team of banking, investment and DLT experts is shaping the development of a trusted digital asset ecosystem.

At Sygnum, we rely on our dynamic team of architects to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We’re seeking a Solutions Architect - Custody & DeFi who is ready to work with new technologies and architectures in a forward-thinking organization, especially blockchain that’s always pushing boundaries. Here, you will take complete, end-to-end ownership of our special projects. You will have experience building products across the stack and a firm understanding of web frameworks, APIs, databases, and multiple back- end languages. You’ll be joining an amazing team working at the forefront of new technology, solving the challenges that impact both the front- end and back- end architecture, and ultimately, deliver amazing global user experiences.


  • Collaborate within our team to define and architect improvements and extensions on the current security key management solution for crypto with emphasis on challenging the current underlying process and technology.
  • Lead the thought process to extend the current crypto staking services, as well as collaborate with teams to architect solutions for DeFi.
  • Providing technical analysis, best practices and software development specification to developers and other stakeholders, including application, technical and database architecture guidance.
  • Collaborate in the continuous improvement of the Secure Software Development Life Cycle, as well as improve coding guidelines and architectural principles.
  • Active involvement in reviewing merge requests, providing coding input in proof of concepts and prototyping.
  • Design, architect, and document business process, as well as liaise with developers and architectural team for the specification and implementation of the business process.
  • Liaise with security experts to provide guidance to engineering teams on enterprise security concepts.
  • Collaborate in the continuous improvement of the Secure Software Development Life Cycle.
  • Mentor and grow a community of fellow engineers.


  • Bachelor's degree in Computer Science, Engineering, or equivalent area is preferred.
  • 5+ years of experience in an architectural or senior development position in high-growth environments in blockchain, cryptography, or crypto fintech experience highly preferred.
  • Demonstrated successful track-record creating architectural solutions for institutional-grade custody and services.
  • Working knowledge of the Scale Agile approach and experience in architecting highly secure and performant applications with JavaScript/TypeScript.
  • Expertise to make architectural decisions, both in applications and systems infrastructure; and deep knowledge of key architectural principles found in highly scalable systems.
  • Deep understanding of core web3.js libraries, Rosetta API standards and hardware and software driven custody technologies.
  • Understanding and experience with HSMs, TEEs, key policies, approval flows and related cryptographic concepts. Familiarity with MPC-based approaches and products would be a definite plus.
  • Proficiency on architectural patterns, including event-driven architecture, zero-trust design, microservices design, and API design.
  • Hands-on experience in design and configuration of AWS and Azure cloud services and knowledge in applying infrastructure as code principles.
  • Strong communication, interpersonal and collaboration skills, including the ability to present engineering strategy to the C-level and large audiences.


  • The chance to be part of a movement shaping the future of our world’s financial system.
  • Competitive salary packages and chances to leave individual footprints.
  • An amazing, diverse, highly skilled, international, and motivated team of professionals.
  • Experienced leadership teams who are masters of scale and facilitate smart growth.
  • Regular gatherings and Team events like Christmas parties, Oktoberfest, Apero’s, hence plenty of jokes and laughs 😊.

If you’re passionate for technology and blockchain with a massive worldwide impact, then please send us your CV!

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Updated: 4 days ago
Job ID: 3731355
About Sygnum Bank AG
Sygnum is the world’s first regulated Digital Asset Bank, founded on Swiss and Singapore dual heritage, headquartered in Switzerland and operating globally. We make digital assets bankable, secure and convenient, empowering our clients to invest in the digital asset economy with complete trust. For the first time with Sygnum, major currencies and digital assets, including Bitcoin, Ethereum and digital CHF and asset tokens are seamlessly integrated in one account. Sygnum’s diverse and talented team of banking, investment and DLT experts is shaping the development of a trusted digital asset ecosystem with strategic partners including Swisscom and Deutsche Börse Group.
51-200 employees
Zürich, Switzerland
Zürich, Switzerland
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