Software Engineer, Model Integration

Cohere Inc.; City of London; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

A leading AI company in London is looking for a Software Engineer specializing in Model Integration. You will architect and implement robust integrations for large language models, improving performance and scalability. Ideal candidates have experience with production systems and thrive in fast-paced environments. This position also offers excellent benefits, a vibrant work culture, and flexible remote options.

Benefits

Open and inclusive culture

Weekly lunch stipend

Full health and dental benefits

100% Parental Leave top-up

Remote-flexible work options

6 weeks of vacation

Qualifications

• Experience with large language models in production environments.
• Track record of owning features from design to deployment.
• Ability to collaborate with diverse teams effectively.

Responsibilities

• Architect and implement integrations for large language models.
• Collaborate with teams to refine LLM performance.
• Develop tools for analyzing and monitoring model performance.

Skills

Production systems

Integration

Performance analysis

Strong coding abilities

Customer-focused approach

Tools

Python

TypeScript

React

Postgres

Kubernetes

Job description

Software Engineer, Model Integration

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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. We believe that our work is instrumental to the widespread adoption of AI.

About North

North is Cohere’s cutting‑edge AI workspace platform, designed to revolutionise how enterprises use AI. It offers a secure, customisable environment that enables companies to deploy AI while maintaining control over sensitive data. North integrates seamlessly with existing workflows, providing a trusted platform that connects AI agents with workplace tools and applications.

In This Role, You Will

• Architect and implement robust integrations for large language models into the North platform, ensuring seamless scalability and performance.
• Collaborate with modelling teams to refine LLM performance, reduce latency, and improve accuracy through iterative testing and tuning.
• Develop and maintain tools for analysing and monitoring model performance, enabling data‑driven improvements.
• Take end‑to‑end ownership of features — from initial design and planning, through implementation, testing, and delivery.
• Collaborate closely across teams, maintaining high standards for communication, documentation, and testing.

You May Be a Good Fit If You

• Have built, shipped & maintain production systems around LLMs, including integration, prompt management, and performance analysis.
• Experience owning complex features from design to deployment, with a focus on scalability and maintainability.
• Ability to work closely with researchers, engineers, and product teams to translate insights into actionable improvements.
• Have strong coding abilities and are comfortable working across the stack.
• Take a customer‑focused, product‑minded approach to building software, prioritising outcomes and impact.
• Thrive in fast‑paced environments and can stay focused as priorities and objectives evolve.

Our Tech Stack

Python, TypeScript with React, Postgres, deployed on Kubernetes. We value strong fundamentals and a learning mindset over specific tech experience — if you’re excited about AI and love building fast, you’ll fit right in!

Diversity and Inclusion

We value and celebrate diversity and strive to create an inclusive work environment for all. We welcome applicants from all backgrounds and are committed to providing equal opportunities. Should you require any accommodations during the recruitment process, please submit an Accommodations Request Form, and we will work together to meet your needs.

Perks

• An open and inclusive culture and work environment
• Work closely with a team on the cutting edge of AI research
• Weekly lunch stipend, in‑office lunches & snacks
• Full health and dental benefits, including a separate budget to take care of your mental health
• 100% Parental Leave top‑up for up to 6 months
• Personal enrichment benefits towards arts and culture, fitness and well‑being, quality time, and workspace improvement
• Remote‑flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co‑working stipend
• 6 weeks of vacation (30 working days!)