Software Engineer - Applied ML - UK Public Sector

Who are we?

Our mission is to scale intelligence to serve humanity. We're training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation, semantic search, RAG, and agents.

About the Company:

Cohere's team partners with UK public sector organisations to unlock transformative value through secure, ethical deployment of Generative AI (GenAI) solutions. We work collaboratively with government agencies, NHS trusts, and local authorities to address complex societal challenges while maintaining the highest standards of data security and compliance.

As a Software Engineer (SWE) on our Applied ML team you will work directly with UK public sector customers to quickly understand their greatest problems and design and implement solutions using Cohere's stack.

In this role, you'll apply your problem-solving ability, creativity, and technical skills to close the last-mile gap in Enterprise AI adoption. You'll be able to deliver products like early startup CTOs/CEOs do and disrupt some of the most important industries and institutions globally.

About the Role:

We seek strong SWE's with deep UK public sector expertise to lead GenAI implementation projects. This role requires active SC Clearance (with willingness to obtain DV Clearance if needed).

In this role, you will:

• Own and build large new areas within our product
• Work across the backend, frontend, and interact with Large Language Models
• Experiment at a high velocity and level of quality to engage our customers
• Work across the entire product lifecycle from conceptualisation through production

This career opportunity may be a good match for you if you have:

• Proficiency in one or more of Go, Python, Node, React, Next.js
• Experience building ML infrastructure and AI-powered solutions
• Background in developing language models using frameworks like LangChain and evaluating their performance using tools such as the LlamaIndex
• A track record in scaling products at hyper-growth startups
• Strong written and verbal communication skills
• Ability and interest to travel up to 25%, as needed to client sites

Qualifications:

Mandatory:

• Active SC Clearance (DV Clearance preferred)
• UK citizenship with 8+ years in public sector technology roles
• Proven experience deploying AI/ML solutions in secure government environments
• Deep understanding of UK public sector ecosystems (Central/Local Government, NHS, Emergency Services)
• Familiarity with government cloud strategies (e.g., Crown Hosting, G-Cloud, MODNET) and data security frameworks
• Experience building LLM applications using tools such as LangChain
• Experience in Information Retrieval systems for document question answering
• Experience in day-to-day NLP for the industry using Python and related toolchains (SpaCy, HuggingFace, NLTK, etc.)