Project Debug develops strategies for mosquito population control by releasing male, non-biting mosquitoes to suppress dengue and other vector-borne diseases. The team focuses on automation, machine learning, and scalable biotech tooling for rearing and sex-sorting processes, with pilots in Singapore and other regions.

Project Healthy Minds is a startupy mental health nonprofit focused on building a comprehensive dataset of mental health services and outcomes while prioritizing user privacy. They aim to help people access care across the full treatment spectrum and understand outcomes by collecting anonymized outcome data.

Prolific is the architects of the human data infrastructure that’s reshaping the landscape of AI development. They build the data layer that powers AI research by providing high-quality human-generated data to frontier model creators and enterprise AI application developers. This role involves working across Prolific’s domains to solve customer and product problems with a full-stack approach. Regular in-person collaboration with customers and the US team, and close collaboration with UK-based tech teams. Visa sponsorship for US visas is not available at this time.

Promise (YC W18) is building modern payment infrastructure for the government. We help people stay on track with rent, utilities, court fines, and more—without falling into cycles of debt or incarceration. It’s complex, high-scale work with real human impact.

Prompt Health is a fast-growing Healthcare SaaS company with over $100M in ARR, growing 100%+ YoY. We build software used by large healthcare organizations to operate more efficiently and deliver better patient care.

Promptfoo is building open-source pentesting tools for LLMs. Backed by a $5.3M seed round led by Andreessen Horowitz.

Promptless builds AI agents that automatically update customer-facing documentation. YC-backed with a seed round from top VCs and angels; customers include startups, CNCF projects, and Fortune 500 companies.

Promptless helps technical writers become uber-productive by embedding AI right into their daily workflows. Every year, U.S. companies spend >$9bn on dedicated technical writers to evolve public-facing documentation, and while AI has made superficial inroads in the space (like embedded chatbots in API docs), Promptless directly improves the quality of public documentation and makes technical writers many times more effective.

We’re helping companies rank and be visible in AI search / ChatGPT, Google AI mode etc. (GEO)

Developing player-focused games on the blockchain.