Inside the Stack (Serde / Wasmtime / Tokio)
Vercel runs Rust where garbage pauses and unpredictable memory growth are unacceptable. Turbopack uses a fine-grained reactive demand-driven computation graph in Rust (`turbo-tasks`) with zero-copy persistent caching to bundle 50,000+ modules in milliseconds.
Core Challenges on Your Plate
- Optimize whole-program dead-code elimination (tree shaking), reduce persistent cache serialization overhead, and maintain SWC ECMAScript parsers.
- Scale internal components leveraging Serde, Wasmtime, Tokio, Hyper, io_uring while keeping binary compile times and memory RSS tight.
- Instrument p99.9 latency metrics and lead root-cause incident analyses across distributed clusters.
Requirements & Verified Salary Band
- Deep familiarity with idiomatic Rust, async execution models, and systems debugging tools (`gdb`, `perf`, `ebpf`).
- Prior ownership of production storage engines, compilers, network proxies, or cryptographic runtimes.
- Base salary: $205,000 to $280,000 USD + equity. Location: US / EU Remote.
