Research Engineer · London
Research Engineer Jobs in London
There are currently 10 open Research Engineer jobs in London across 4 AI startups. 10% of these roles are at Series A–B startups. Every listing links straight to the company's official application page.
10Open roles
4Companies hiring
Apr 23, 2026Last updated
01
Funding-stage mix
Series G+ 6 (60%)Seed 2 (20%)Series B 1 (10%)Series D 1 (10%)
02
Open Research Engineer Roles in London
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| Research Engineer, Machine Learning (RL Velocity) | Anthropic | Series G+ | London, UK | Apr 23, 2026 |
| Research Engineer / Scientist, Post-training - London | H Company | Seed | Hybrid London | Apr 14, 2026 |
| Research Engineer, Model Inference & Serving - London | H Company | Seed | Hybrid London | Apr 10, 2026 |
| Research Engineer - AI Team | hyperexponential | Series B | London (hybrid) | Apr 8, 2026 |
| Research Engineer, Machine Learning (Reinforcement Learning) | Anthropic | Series G+ | London, UK | Apr 3, 2026 |
| Research Engineer / Scientist, Alignment Science - London | Anthropic | Series G+ | London, UK | Apr 3, 2026 |
| Research Engineer, Pretraining | Anthropic | Series G+ | London, UK | Apr 1, 2026 |
| Research Engineer, Pretraining Scaling - London | Anthropic | Series G+ | London, UK | Apr 1, 2026 |
| Research Engineer, Science of Scaling | Anthropic | Series G+ | London, UK | Apr 1, 2026 |
| Senior Research Engineer | Decagon | Series D | London | Feb 10, 2026 |
03
FAQ
How many Research Engineer jobs are open in London?
There are currently 10 open Research Engineer jobs in London across 4 AI startups on Fast AI Jobs.
What funding stages are hiring Research Engineers in London?
10% of open Research Engineer roles in London are at Series A–B startups, with the rest spread across seed and later-stage companies.
How often is this list updated?
Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.