Senior GenAI Engineer (UK)

London, Remote. Posted a month ago

The role

You will work on multi-agent AI features for Pigment's business planning platform, including improving features already live and designing new ones. You will work across the whole stack, using Python and C#, on AI features built on the Pigment computation engine.

What you will do

Work on multi-agent features: improve rolled-out features and design new ones
Work on the whole stack with the AI teams, including frontend, backend (C# and Python), infrastructure and CI
Build AI features on top of the Pigment computation engine
Build AI features with high test coverage that are actively used and built to last

Required qualifications

MS or Ph.D. in Computer Science, or experience writing production-grade code
Strong programming skills in Python, and/or C#, Java, nodejs, or equivalent
Hands-on experience prompting large language models, through vibe coding tools or implementing GenAI features
Excellent problem-solving skills and ability to work independently
Strong written and verbal communication skills
Product oriented: translating a user need into a simple technical solution

Nice to have

Knowledge of recent developments in agents
Experience with Kubernetes
Experience building agents using LangGraph
Experience building and shipping complex products on top of LLMs
Experience building evaluation pipelines

Benefits

Competitive package
Stock options
Health insurance with Alan Blue, free for you and your family
Weekly lunch and lunch vouchers (Swile card)
Egym Wellpass subscription for gyms, studios and wellness spaces across France
Trust and flexible working hours
One company offsite every year
New offices in New York, San Francisco, Toronto, Paris and London
High-end equipment (based on stock/availability)
Remote-friendly environment

Before you apply

Background checks are part of hiring, done lawfully with candidate consent before contracts are signed, where legally permitted, including employment history, education and criminal records

About the company

Pigment is an AI-powered business planning and performance management platform founded in 2019. The company passed $100M in ARR in 2026 and raised a $250M Series E in October 2026 at a $2.3B valuation.