Experteer Overview In this role you will design and extend core language and runtime features for the Expression Language, Data Mapper, and Decision Engine, embedding Rust into Ruby and Go services. You’ll expand the Decision Engine to support formulas and contribute to secure WASM sandboxing. You’ll collaborate with Product and AI teams to define what to expose, shaping high-performance, cross-language components used across the company. This is an opportunity to work on scalable systems at the heart of Workato’s platform and drive architectural decisions. You’ll impact reliability, performance, and developer experience in a fast-paced, collaborative environment.Compensaciones / Ventajas
- Design and build core language and runtime features across Expression Language, Data Mapper, and Decision Engine
- Extend Rust core and embed it as a native component in Ruby and Go services via FFI bindings
- Expand Decision Engine to support formulas beyond static rules
- Contribute to WASM sandboxing to ensure isolation between components




- Partner with Product and AI teams to define exposure of components across the platformResponsabilidades
- Deep, hands-on Rust backend experience
- Working competence in Go with production ability
- Experience embedding Rust in other language runtimes (e.G., Rust-in-Ruby, Rust-in-Go)
- Strong algorithms and data-structures fundamentals
- Experience with AI-assisted workflows and identifying edge cases
- Experience handling millions of requests/events per day
- Excellent technical writing and communication skills
- Experience planning phased implementations and leading cross-team projects
- Proven track record with feature flags, gradual rollouts, and zero-downtime deployments
- Ability to facilitate architectural decision-making and create technical roadmaps
- Mentorship mindset and cost analysis capabilitiesRequisitos principales
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📌 System Architect (Rust) (Barcelona)
🏢 Workato
📍 Barcelona