or apply directly on Brave's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 18 days Brave's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 38% of Brave's roles list one
- Ghost-job risk at Brave
- high 12 stale, 0 reposted of 16 open
- Hiring momentum
- 16 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Brave's own greenhouse board since 2026-08-03. Full hiring picture for Brave.
About this role
As an AI Security Researcher/Research Engineer at Brave, you will focus on mitigating security risks associated with AI systems, particularly LLM-powered web agents and chatbots. Your day-to-day responsibilities will include designing secure architectures, conducting adversarial evaluations, analyzing model behavior, and collaborating with engineers and researchers to implement security improvements and strategies.
- benefits
- 2/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Brave as an employer.
What you need
- Demonstrated experience working on Secure AI (prompt injection attacks and security guardrails)
- Strong publication record in AI security, ML security, or closely related areas
- A track record of shipping products and features inside a fast-moving environment
- Strong coding skills in Python and familiarity with ML frameworks like PyTorch or JAX
- Experience training, fine-tuning, and evaluating large language models
- Deep familiarity with large language models and web agents, how they work, and how they are trained
Nice to have
- Knowledge of AI Systems (pipelines, security evaluation, etc.)
- Open source projects on security/privacy
- Experience with confidential computing and ZKP/SMPC protocols
- Ph.D. in computer science from a top-tier school
- A strong publication record in premier systems, performance, or ML
What you get
- Ability to work at an exciting and well-funded international startup headquartered in San Francisco
- Cutting-edge technology, allowing you to work with state-of-the-art tools and software solutions
- Competitive compensation and plenty of room for personal growth
- Great international exposure and team atmosphere
Worth weighing
- Remote or hybrid work options available, but London is preferred
- No specific salary or compensation details provided
- Focus on AI security may limit exposure to other areas of AI research
- Ph.D. is highly preferred, which may limit opportunities for candidates without one
Summarised from Brave's posting. Read the full original.
Listed by Brave on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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