Backend Software Engineer - SDK

About Digital Asset & the Canton Network

Digital Asset builds the technologies that are reshaping the foundations of financial markets. Our mission is to create the world’s most trusted, privacy-enabled, and interoperable digital infrastructure for global finance.

At the heart of this mission is the Canton Network - the blockchain purpose-built for institutional finance. Uniquely combining privacy, compliance, and scalability, Canton enables real-time, secure settlement across multiple asset classes. Governed by the Canton Foundation with participation from leading financial institutions, it is the proven link between the promise of blockchain and the power of global finance.

Founded in 2014 and headquartered in New York City, with offices in London, Zurich, Budapest, Hong Kong, and Sydney— we are on a mission to transform finance— and that transformation is now playing out rapidly on the Canton Network.

If you’re interested in playing a crucial role at the intersection of traditional and crypto-capital markets and want to help bring the next trillion dollars of finance on-chain, join us.

About the role:

The SDK team designs, builds, and maintains the APIs, libraries, and tools that empower third-party developers. The resources we provide, facilitate the creation of applications that interact with the Canton ledger and the Canton Network. The solutions developed using our product are predominantly mission-critical workflows within the financial and insurance sectors.

As a software engineer in the SDK team, you’ll have the unique opportunity to work with cutting-edge technology that spans the entire stack. This includes everything from the database back-end and Pekko Stream implementation, through gRPC and HTTP interfaces, to the Java and TypeScript client libraries.

Responsibilities:

• Contributing to the SDK’s (mostly) Scala code base.
• Collaborate with other teams such as the Canton Ledger team on the integration of APIs in the Canton core or the product team on developer education.
• Hardening and testing the APIs to satisfy the production non-functional requirements in particular performance, scalability, and security.
• Assist other team members by providing code reviews, giving feedback and helping set direction.
• Following a collaborative approach that fosters, embraces, and insists upon diverse perspectives. We are a powerful team where everyone pulls more than their weight, where everyone matters and all opinions are valuable.

What We’re Looking For:

• Experienced Scala software engineer as demonstrated by either your open-source libraries or commercial experience.

• Specializing in either database development or writing secure APIs (more details below)

• Experienced with reactive streams (in particular akka/pekko) would be a strong plus.

• Strong oral and written communication skills, ideally experience writing technical documentation and specifications.

• Experience with developing and deploying production systems.

• Master’s degree or PhD in computer science or a related discipline; or equivalent demonstrable experience.

• Based in Budapest or Zurich

• Specializing in database development

  • Solid understanding of SQL and relational databases. In particular PostgreSQL.

  • Experience with Functional Relational Mappings in scala: slick, anorm, doobie or others.

• Specializing in writing secure APIs

  • Solid understanding of network protocols and libraries: HTTP, gRPC, Netty, Tapir and others.

  • Experience driven ability to empathize with API users allowing them to write efficient, robust and idiomatic client code in various front end languages such as TS and Python.

  • Experienced with writing secure APIs. Familiarity with the technologies such as TLS, JWT, Auth0. Knowledge of frequent attack vectors and their mitigation.

  • Prior exposure to security audit procedures would be a strong plus.

At Digital Asset, we are committed to compensation structures that reward impact consistently across our global teams. We support our people at every stage of life with comprehensive, family-forward benefits and flexible working models designed to help you do your best work.

Benefits

We offer a comprehensive benefits package designed to support the well-being of our team members. Health and insurance benefits vary by region to ensure local relevance and compliance, and may include medical, dental, and vision coverage.

Equal Opportunity Employer

Digital Asset is an equal opportunity employer committed. All qualified applicants will receive consideration for employment without regard to race, color, national origin, sex, religion, sexual orientation, age, disability, citizenship status, veteran status, or any other basis protected by applicable law.

Employment Eligibility

If and as required by applicable law, all persons hired to work at Digital Asset will be required to verify identity and eligibility to work in the location for which they have an offer to work and to complete the necessary employment eligibility verification documents upon hire.

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