8 LLM Engineers jobs in London
Last updated 2026-09-21. 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 — 75% of listings are mid-level or below.
Demand is spread broadly across 6 employers rather than dominated by one — Hackajob, Client Server, ASOS are the most active this week, but no single company holds more than 25% of the roles.
Among the 6 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.
8 of these 8 postings (100%) went live in the last 30 days, most via Adzuna.
Collected from company job boards (Greenhouse, Lever, Ashby), Adzuna, The Muse and LinkedIn, refreshed every Monday (2026-09-21). Each listing links to the original posting; HireIndex doesn't take applications or resumes.
| Hackajob | Lead Software Engineer - LLM Ops Platform Reliability mid | Broadgate, Central London | 2026-09-20 | Apply open_in_new |
| Hackajob | Senior Lead Software Engineer LLM Ops Platform senior | Broadgate, Central London | 2026-09-19 | Apply open_in_new |
| Client Server | Founding Engineer Python API LLM - Start-up mid | Monument, Central London | 2026-09-18 | Apply open_in_new |
| Client Server | Backend Software Engineer Python LLM - Finance mid | East London, London | 2026-09-07 | Apply open_in_new |
| ASOS | Senior AI / LLM Engineer senior | London, UK | 2026-09-07 | Apply open_in_new |
| INTEC SELECT | AI Engineer - LLM & Agentic Systems mid | London, UK | 2026-09-17 | Apply open_in_new |
| Isomorphic Labs | Research Engineer (LLM Performance), London mid | London, UK | 2026-09-09 | Apply open_in_new |
| Tencent | Tencent Cloud – AI & LLM Solution Architect mid | London, UK | 2026-09-09 | 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.