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Handshake

Remote Job Openings at Handshake (4)

Member of Technical Staff, Post-Training

United States $200K - $350K per year 2-5 yrs exp Others

You will design and implement post-training systems, including fine-tuning, reinforcement learning, and evaluation frameworks for frontier AI models. You will also collaborate with researchers and domain experts to build scalable data pipelines and turn experimental findings into durable infrastructure.

AI Red Teamer (LLM Generalist) - Remote

United States $32 - $95 per hour 2-5 yrs exp Software Development

The AI Red Teamer will stress-test large language models by designing adversarial prompts to identify vulnerabilities such as bias, hallucinations, and safety guardrail failures. They will also document experiments, score model responses against harm taxonomies, and collaborate with researchers to strengthen AI defenses.

AI Red Teamer, Cybersecurity (Remote)

United States $65 - $125 per hour 5-10 yrs exp Software Development

You will design adversarial prompts and multi-turn interaction chains to test AI models for vulnerabilities related to cyberattacks and malware generation. Additionally, you will evaluate model-generated technical output for functional correctness and document findings within a structured cybersecurity framework.