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Senior Application Security Engineer - AI Code Evaluation

Braintrust BrainTrust ContractRemote
Posted Oct 3, 2026 · ✓ Still open — checked 4 hours ago

Quick facts

Pay
$75–90 / hour
Type
Contract
Location
Remote
Hours
20+ hours / week
Skills
Python
Platform
BrainTrust — 146 open jobs
Typical pay at BrainTrust
$13–100/hour · median $30 (100 jobs on our site)
Apply
Free to apply — never pay to get AI training work
  • Rate: $75 – $90/hr
  • Hours: 20 hours / week
  • Experience: 5 - 10 years
  • Location: United States | Canada + 21 more

Help a top AI lab evaluate and improve large language models through security-focused coding tasks. Bring your software-engineering judgment and hands-on security experience to work involving vulnerabilities, exploit verification and security patches.

This is a contracting engagement, with potential for a longer-term engagement. Remote candidates in the selected countries are elegible.

What you will do

  • Evaluate coding tasks involving software vulnerabilities, exploit verification and security patches.
  • Create high-quality coding prompts and reference answers for benchmark-style problems.
  • Evaluate model outputs for code generation, refactoring, debugging and implementation.
  • Identify and document model failures, edge cases and reasoning gaps.
  • Compare private language models with leading external models.
  • Build or configure coding environments for evaluation and reinforcement learning.
  • Follow detailed annotation and evaluation guidelines consistently.

What you bring

  • At least five years of professional software-development experience and strong Python skills.
  • Hands-on experience with vulnerability research, exploit reproduction or verification, or implementing, backporting or validating security patches.
  • The ability to apply structured evaluation criteria and write clear technical feedback.
  • Fluency in written and spoken English.

Helpful, not required

  • Professional code review, coding annotation, LLM/code evaluation or benchmark design.
  • Knowledge of another programming language.
  • Team leadership or mentoring experience.


Company: Leading AI Lab

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About BrainTrust

Braintrust is a talent network that matches freelancers and professionals with companies, including AI labs that need experts for training and evaluation work. Its AI recruiter handles screening.