5 LLM Engineers jobs in London
Last updated 2026-08-03. UK. Click any row to apply directly on the company's career page.
LLM Engineer hiring in London: what the data shows
Compared with most AI hiring, this market is relatively open to earlier-career candidates — 80% of listings are mid-level or below, including 20% explicitly junior.
The companies hiring LLM engineers in London right now are J.P. Morgan (1), JetBrains (1), 83zero (1), Enterprise Recruitment (1), Adecco (1).
Among the 4 cities HireIndex tracks for LLM engineers, London is the second-largest market by open-role count, making it one of the strongest hubs for this skill we track.
5 of these 5 postings (100%) went live in the last 30 days, most via Adzuna.
Sourced directly from employer career pages via Greenhouse, Lever, Ashby, Indeed, and LinkedIn — verified every Monday (2026-08-03). Every listing links to the company's own site; HireIndex does not take applications or resumes.
| J.P. Morgan | Applied AI ML Lead - LLM Suite Engineering mid | London, UK | 2026-07-28 | Apply open_in_new |
| JetBrains | Staff Research Engineer (LLM Pre-Training) senior-heavy | London, UK | 2026-07-22 | Apply open_in_new |
| 83zero | AI Security Software Engineer (GenAI & LLM Security) mid | Victoria, South West London | 2026-07-30 | Apply open_in_new |
| Enterprise Recruitment | Graduate Software Engineer (AI / LLM) junior | Central London, London | 2026-07-29 | Apply open_in_new |
| Adecco | Research Scientist/Engineer - Multimodal AI & LLM mid | Farringdon, Central London | 2026-07-24 | Apply open_in_new |
About this list
We scan AI/ML postings on Greenhouse, Lever, Ashby, and LinkedIn every week and bucket them by city and skill. This page shows currently open LLM Engineer roles in London. Listings are deduplicated and company-attributed before publishing. No login or application is required — every link goes directly to the employer.