Senior Rust Developer

Location: Remote (GMT-8 to GMT+5). 3-4 hours overlap with US Central Time (Chicago/Texas) required. Not open to candidates from China, Australia, or similar time zones.

Company

Walter is developing open-source technology to advance computational biology through scalable workflow execution engines.

What you will do

• Contribute to the development of the Sprocket workflow execution engine and associated Rust crates (wdl, sprocket, crankshaft).
• Improve and extend the Workflow Description Language (WDL) specification, shepherding changes through the ratification process.
• Collaborate on the evolution of the Task Execution Schema (TES) with standards bodies and the open-source community.
• Develop and maintain reference implementations with comprehensive OpenAPI/Swagger documentation.
• Coordinate progress with the internal computational biology team.

Requirements

• 6+ years of senior-level proficiency in Rust with a track record of shipping production code.
• Experience contributing to or leading open-source projects.
• Familiarity with workflow engines, scientific computing, or large-scale computation.
• Ability to work with Rust crates for lexing, parsing, validating, linting, and executing DSLs.
• Strong skills in API design and specification development.
• Proficiency with GitHub for project planning and collaboration.

Nice to have

• Experience improving specifications using OpenAPI (Swagger) or the utoipa crate.
• Familiarity with Workflow Description Language (WDL) and Task Execution Schema (TES).
• Experience with Kubernetes, cloud, or HPC environments.
• Prior involvement with standards bodies such as GA4GH.

Culture & Benefits

• Full-time and long-term role commitment.
• Opportunity to work on impactful, open-source technology used by scientists worldwide.
• Ability to influence the direction of open standards in scientific workflow execution.

APPLE