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Design and build core language and runtime features across the Expression Language, Data Mapper, and Decision Engine.

Own and extend the Rust core, embedding it as a native component inside Ruby and Go services via FFI bindings.

Help expand Decision Engine from static rules to support formulas.

Contribute to WASM sandboxing so each component runs safely isolated from the others.

Partner closely with Product and with the AI team on what these components need to expose.

Deep, hands-on Rust experience at a systems/backend level.
Working competence in Go - real production ability, though not necessarily your primary language.
Proven experience embedding Rust as a library or native extension inside another language's runtime (e.g. Rust-in-Ruby, Rust-in-Go).
Strong algorithms and data-structures fundamentals (sorting, trees, data processing).
Comfort operating without a fixed process methodology, in a deadline-driven, cross-team environment.
Experience with AI-assisted workflows, particularly in system analysis and hunting for inconsistencies and corner cases.
Scale: Experience with systems handling millions of requests/events per day.
Exceptional technical writing and communication abilities for diverse audiences.
Experience planning phased implementations and leading complex 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 capabilities.

GoRustRubyCloudAIAgile