formal
formal9mo ago
New

Staff Software Engineer

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Software EngineerSoftware Engineering
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Quick Summary

Requirements Summary

formal specification, design, implementation, and trade-offs Experience with formal programming language semantic specifications, proofs,

Technical Tools
Software EngineerSoftware Engineering
Expectations

You’ll lead the development of a new, Rust-like programming language intended to run in kernel-space. Expect to write and review design documents, implementation decisions, lots of code, machine-checked proofs, and LaTeX specifications.

Responsibilities

  • Develop an existing compiler codebase and software to continuously test and verify its correctness
  • Formally verify language properties and implementations
  • Collaborate and co-design with OS and networking teams to tightly integrate the language into the overall product
  • Participate in both sides of code reviews
  • Actively anticipate and communicate future roadblocks
  • Participate in the open-sourcing of the language

Qualifications

  • 3+ years of software engineering experience
  • Deep understanding of type systems and logic systems: formal specification, design, implementation, and trade-offs
  • Experience with formal programming language semantic specifications, proofs, and ability to translate them into code
  • Experience with formal verification including model checking, theorem provers and SMT-based approaches
  • Understanding of system-level language concerns such as binary formats, loading, ABIs, linking, and machine targets
  • Mastery of or ability to quickly master Rust
  • High level of independence and autonomy
  • Ability and willingness to document, teach, and explain complex technical problems and solutions

Compensation & Benefits

Compensation is comprised of a competitive market salary and stock grant (>= 0.4%) conditioned on a vesting schedule. Benefits include unlimited paid and unpaid vacation time, reimbursable vacation expenses (transportation and lodging up to $1k), a triennial $4k computing device allowance, comprehensive medical, dental, and vision insurance, a $120 monthly gym allowance, and $250 yearly to spend on anything educational.

What We Offer

~1 min read
The base pay range for this role is $175,000 – $250,000 per year.

Location & Eligibility

Where is the job
Worldwide
Fully remote, anywhere in the world
Who can apply
Same as job location

Listing Details

Posted
December 1, 2025
First seen
September 26, 2026
Last seen
September 27, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
26%
Scored at
September 27, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
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formalStaff Software Engineer