Backend Software Engineer - SDK

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.

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.

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.