Level-Specific Salary Guide

Mid-Level Ai Engineer Salary in London (2026)

Updated June 20266 min readSources: ONS ASHE 2024, Glassdoor UK, JFR job feed

Mid-Level Ai Engineers in London earn a median base salary of £55K per year, based on 373 verified data points. This guide covers salary ranges, total comp, and negotiation tactics specific to the mid-level level in 2026.

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Verified — 2026 · Mid-Level Level
Ai Engineer · London
0% YoY
25th Percentile
£46K
Walk-away floor
Median (50th)
£55K
Market midpoint
75th Percentile
£65K
Realistic ceiling
Sources: ONS ASHE 2024, Glassdoor UK, JFR job feed·Sample: 373 data points

Ai Engineer salary by level in London

See how mid-level-level pay compares to other seniority bands for the same role and location.

LevelApprox. Median Base
Junior£39K
Mid-LevelThis guide£55K
Senior£75K
Staff£91K
Principal£105K

* Figures are approximate estimates relative to the mid-level-level verified data above.

What does a Mid-Level Ai Engineer earn in London in 2026?

The median base salary for a Mid-Level Ai Engineer in London is £55K per year, with the 25th–75th percentile range spanning £46K£65K. Total annual compensation — including bonuses and equity — typically reaches £62K at the median for mid-level-level engineers.

At the mid-level level, engineers are working independently and delivering end-to-end features. Compensation has moved meaningfully above junior levels, and further progression to senior typically comes within 2–4 years for high performers.

To negotiate effectively, open at £61K — the 65th percentile for this level and location — which gives you room to settle above median while appearing reasonable. Know your walk-away floor: £46K.

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Top-paying companies for Mid-Level Ai Engineers in London

CompanyMedian Base
DeepMind£142K
Google London£128K
Cohere£118K

Skills that pay more at the mid-level level

LLM / GenAI
+32%
PyTorch / TensorFlow
+20%

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Other Ai Engineer level guides in London

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