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Senior/Staff Engineer - Bombadil

London, UK💼 Full-time🗓 2026-03-20 → 2026-09-26

Core

Building the future of autonomous testing by maintaining the open-source project Bombadil, which runs software systems in deterministic simulations to verify code reliability and identify root causes.

Role type

Senior/Staff Engineer (Software Reliability & Verification)

Builds

Open-source testing tool (Bombadil), specification language, verifier, Chromium automation, and frontend components

Domain

Software Engineering, AI Code Verification, Property-Based Testing

Deliverable

production ML models | product features

Required skills

Rust development, property-based testing, fuzzing, web technology (browsers, HTTP, HTML, Javascript, CSS)

Preferred skills

Chrome Devtools Protocol, Playwright, Cypress, Selenium, formal specification languages (TLA+, LTL), parser implementation, type systems, interpreters

Technologies

Rust, Chromium, TLA+, LTL

Responsibilities

Maintain open-source project Bombadil, work with specification language and verifier, develop Chromium automation, implement advanced property-based testing, build frontend features

Seniority

Senior to Staff, hands-on IC

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