Build and improve real, user-facing features alongside senior engineers and tech associates
Write clean, readable, well-tested code, learning our standards and patterns as you go
Take small tasks and slices of work from start to finish, raising blockers early
Healios digitises clinical pathways to provide neurodevelopmental and mental health services to children and families. They are a remote-first organisation that embraces diversity and values integrity, listening, and courage.
Advance Firefox's security architecture and cryptography stack, including cryptographic protocols and WebPKI.
Design and implement web platform security features in collaboration with the broader web community.
Improve browser reliability, performance, and resource efficiency through analysis and optimization.
Mozilla Corporation is a non-profit-backed technology company that develops the Firefox web browser and focuses on privacy, AI, social media, and security. With over 225 million monthly users, Mozilla is dedicated to making the internet better for people and is owned by the Mozilla Foundation.
Build and evolve the agent harness and orchestration that turns an LLM into a reliable autonomous pentester.
Design tools and validation layers to keep the agent reliable, with structured outputs and production-safety.
Own and grow evaluation infrastructure to measure and drive agent improvements.
Horizon3.ai is a fast-growing remote cybersecurity company that provides autonomous penetration testing through its NodeZero platform. The company fosters a culture of respect, collaboration, and ownership, with a team of former cyber operators and engineers.