Senior GenAI Engineer (UK)

Pigment is seeking an experienced GenAI Engineer with a strong CS background and experience with Large Language Models (LLM) to join our innovative and fast-paced team. In this role, you will work on cutting-edge NLP projects and play a crucial part in developing and refining our product. If you are passionate about machine learning, have a strong background in natural language processing, and thrive in a collaborative and high-impact environment, we’d love to hear from you! What you will do :

• Work on bleeding edge multi-agents features. This includes the improvement of rolled-out features and the conception of new ones.

• Have the opportunity to work on the whole stack. The AI teams have frontend, backend (C# and python), infrastructure and CI skills

• Work on AI features built on top of the Pigment computation engine that provides determinism, auditability and data visualizations

• 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 on prompting large language models. It can be through the usage of vibe coding tools, or having implemented GenAI features
• Knowledge about the recent developments of agents is a plus
• Excellent problem-solving skills and ability to work independently
• Strong written and verbal communication skills
• Product oriented. GenAI challenges are mainly about translating a user need into a simple technical solution
• If you are passionate about Generative AI and want to work on a cutting-edge business planning platform, we encourage you to apply for this exciting opportunity at Pigment.
• Bonus: experience working with kubernetes
• Bonus: experience building agents using langgraph
• Bonus: experience building and shipping complex products on top of LLMs
• Bonus: experience building evaluation pipelines

• Competitive package
• Stock options to ensure you have a stake in Pigment’s growth
• The best health insurance with Alan Blue entirely free for you and your family
• Weekly Lunch and Lunch vouchers (Swile card) to cover your lunch breaks with total flexibility
• Subscription to Egym Wellpass (ex-Gymlib) for full access to gyms, studios, and wellness spaces across France
• Trust and flexible working hours
• Along with one company offsite every year, we have brand new offices at the heart of major cities including New York, San Francisco, Toronto, Paris, and London
• High-end equipment (based on stock/availability) to do your work in the best conditions
• Remote-friendly environment

£80,000 - £150,000 a year We conduct background checks as part of our hiring process, in accordance with applicable laws and regulations in the countries where we operate. This may include verification of employment history, education, and, where legally permitted, criminal records. Any checks will be conducted lawfully prior to formal employment contracts being signed, with candidate consent, and information will be treated confidentially.

Founded in 2019, Pigment is one of the fastest-growing SaaS companies globally. Industry leaders like Unilever, Snowflake, Siemens, and DPD use Pigment daily to make more informed decisions and confidently navigate any scenario. With a team of 600+ across Paris, London, New York, Toronto, San Francisco and Austin, we’ve raised nearly $400M from top-tier investors and were named a Visionary in the 2024 Gartner® Magic Quadrant for Financial Planning Software. At Pigment, we take smart risks, celebrate bold ideas, and challenge the status quo-all while working as one team. If you’re driven by innovation and ready to make an impact at scale, we’d love to hear from you.