Full Stack Product Engineer
mid$127K – $140K
via Ashby
About this role
Job title: Full Stack Product Engineer
Location: London; full in-office working as default
Start date: ASAP
Reports to: Head of Engineering
Compensation: £100,000 - £110,000 + EQUITY
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COSINE AT A GLANCE
Cosine is the UK's frontier AI lab for autonomous software engineering — not another coding assistant, but our own models, agent stack, eval harnesses, and product layer. We build our agent tooling entirely in-house and post-train open-source models to deliver reliable, enterprise-grade coding performance in security-critical settings.
Our offerings can be used as SaaS, deployed on VPC, on-prem or fully air-gapped.…
What we'd score you on
reqspace match rubricFive dimensions, recruiter-grade. Upload your resume and we'll generate a written explanation of where you fit and where the gaps are.
1
Skills match
For this role: typescript, python, go, react, vue…
2
Level fit
This role is mid-level. We check your trajectory against it.
3
Domain experience
Your work in the role's domain matters more than your years total. We weight recent and direct experience.
4
Recency
A skill you used last quarter weighs more than one from five years ago. We grade on recency, not lifetime.
5
Location fit
This role is based in a specific location. We weight your proximity and willingness to relocate.
Score yourself on this role.
Free · no card · written explanation included
Skills in this role
Pulled from the job description. These are the keywords we'll weight when scoring your fit.
typescriptpythongoreactvuesveltewebpacknode.jsrestgcpkubernetesdockerdatadoggrafanagitslackgdpr