Best X Builds

Engineering hiring in London

9 engineering jobs in London that were actually posted on X, not copied from a board. Location is whatever the original post said.

9 roles · updated 2026-11-10

Google DeepMind

Research engineer on Gemini large scale pretraining. London or Mountain View. Posted by a research engineer on the team.

London / Mountain View@zacharynado

aion

Senior design engineer on the same hiring post. Posted by the company.

San Francisco / New York / London@aionxyz

Google DeepMind

Game environments and tools for frontier AI research in games. London. Posted by the hiring director.

London, UK@amoufarek

Sparkles

YC W26. Coding agents for people who do not write code. Reviewable GitHub PRs, not unchecked deploys. £100k to £150k plus 1 to 2 percent. Posted by the CEO.

London, UK@aidaniil

Tessl

Harness engineering and agentic orchestration. London hybrid. Same Tessl hiring thread.

London, UK@tessl_io

Wintermute

Open roles across C++ quant and trading-platform engineering, ML research, options and prediction-market trading, DeFi trading, and product. London, NYC, Singapore and more.

London / NYC / Singapore@wintermute_t

Mistral AI (Forge team)

Openings for Research Engineers and Applied Scientists across Paris, London, Singapore, US and Korea.

Paris / London / Singapore / US / Korea@hkproj