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Job title: Founding Forward Deployed Engineer

Location: London; full in-office working as default

Start date: ASAP

Reports to: CRO, with dotted line to CTO

Compensation: Competitive base (depending on experience) plus equity

Cosine at a glance

• Cosine is an autonomous, on-premise coding agent post-trained on human reasoning data to deliver unmatched software-engineering accuracy, security, and speed for regulated enterprises
• What makes us unique is our in-house ML research lab that post-trains LLMs (e.g. Nova, gpt-oss, Kimi) on proprietary software-engineering reasoning data to dramatically increase their coding accuracy. In 2024 this gave us a state-of-the-art score of 72% on OpenAI’s SWE-Lancer benchmark
• Cosine is now the only available managed product that can be fully air-gapped and deployed on premises, exciting many bulge bracket but extremely risk sensitive and strict enterprises that have rejected all other solutions on the market. We've got our first pilots up and running with global investment banks and defence primes and are now looking to scale our GTM function

The role

Enterprise adoption of autonomous coding agents depends on technical credibility, clarity, and trust.

We are hiring a Founding Forward Deployed Engineer to help drive revenue and customer adoption by acting as a deeply technical partner to prospective and existing customers. This role sits at the intersection of sales, engineering, and customer onboarding, with a strong emphasis on real-world enterprise constraints.

You will work directly with enterprise developers, architects, security teams, and buyers to:

• Clearly communicate Cosine’s value from a developer perspective