Finance & Legal Jobs at Cosine
Cosine has one open finance and legal role, in London, alongside 2 other open roles.
About Cosine
Cosine trains AI models and specialised coding agents for organisations that need frontier capability within secure environments. The company develops Lumen, an AI model focused on writing code, and offers solutions for sovereign AI, air-gapped environments, cybersecurity, and niche languages.
The open role
- Founding Head of Financial Services: London, Head, posted 31 July 2026.
Also hiring at Cosine
Cosine is also hiring in engineering (1) and sales and business development (1).
Its roles are in London, UK (3).
What finance and legal work involves at an early-stage startup
You build the books, the contracts and the controls rather than inherit them. Founders ask you about runway, a customer agreement and a new country's rules in the same afternoon. At a large company each of those sits with a different specialist team.
Experience level
Open roles by the experience the posting asks for.
Questions people ask
Where is the finance and legal job at Cosine?
London.
What else is Cosine hiring for?
Engineering and sales and business development: 2 more roles.