Staff Engineer - AI Systems Architect (London On-Site)

MLabs; Greater London; On-site; GBP 110,000 - 150,000; Full time

Benefits offered by this job

Private health insurance

Dental coverage

Pension scheme

Evening meals & taxi home for late-shf

Job summary

MLabs Ltd in London is seeking a Staff Engineer to join as a senior IC, combining ~70% hands-on coding with ~30% architecture leadership. You will own complex, end-to-end systems for AI agents and high-throughput data pipelines.

We require 6+ years of production software experience at top tech firms and a track record shaping technical strategy. This is an on-site role, five days a week at Piccadilly, with visa sponsorship available for eligible international candidates.

Qualifications

• Proven experience building scalable web apps and services using modern web tech.
• Strong background in distributed systems and data pipelines for high-throughput workloads.
• Experience shipping AI/LLM-powered features with robust prompts and evals.

Responsibilities

• Own complex architecture for AI agent systems and data pipelines.
• Lead end-to-end execution from concept to production software.
• Set technical standards and guide long-term architectural decisions.
• Provide technical leverage through design docs, reviews, and mentoring.

Skills

TypeScript

Next.js

Trigger.dev

Postgres/Drizzle

Distributed architectures

Data pipelines

AI/LLM

Prompt engineering

System design

Tools

Next.js

Trigger.dev

Postgres/Drizzle

Docker

Job description

MLabs Ltd in London is seeking a Staff Engineer to join as a senior IC, combining ~70% hands-on coding with ~30% architecture leadership. You will own complex, end-to-end systems for AI agents and high-throughput data pipelines.

We require 6+ years of production software experience at top tech firms and a track record shaping technical strategy. This is an on-site role, five days a week at Piccadilly, with visa sponsorship available for eligible international candidates.