AI Engineer

🔒 Confidential Employer
Posted 28 April 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Artificial Intelligence
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

AI Large Language Models LLM models API development integration SaaS platforms TypeScript AWS

FULL DESCRIPTION

AI Engineer

[Employer hidden — view at passion-project.co.uk]

London

Hybrid

Full-time

Mid-Senior level

Salary: £120k

About the role

We are looking for a Software Engineer or Data/AI Scientist with a strong background in AI production-grade applications with strong experience with LLM models (eg: GPT, Anthropic and others). In this role, you will conduct research and development around AI, focusing on automating processes and development at [Employer hidden]. We're building a world where users of any SaaS can integrate with the tool of their choice in one click thanks to [Employer hidden]. We're convinced AI is pivotal to making this a reality by transforming how SaaS talks to each other and this is what you will help achieve.

What the job involves

  • Research, design, and develop AI models using or training existing or bespoke LLM models (and other AI tech) to improve and automate API & more generally SaaS interactions
  • Managing and updating Data pipelines used for AI use-cases
  • Collaborate with cross-functional teams to identify opportunities for AI integration and automation
  • Optimize and refine existing AI models and applications for performance and scalability
  • Stay current with advancements in AI and LLM technologies, applying new knowledge to [Employer hidden]'s AI strategy
  • Implement best practices in AI development, ensuring compliance with data privacy and security regulations
  • Document and communicate research findings and development progress to stakeholders
  • Collaborate with other software & AI engineer(s) to deliver larger scale projects

Who you are

  • Bachelor's degree in Computer Science, Engineering, or a related field (or 3+ years of relevant experience)
  • Familiarity with API development, integration, and SaaS platforms
  • Past experience with AI, specifically Large Language Models and related technologies
  • Excellent problem-solving and analytical skills
  • Strong communication and collaboration abilities
  • Desire to work in a fast-paced, dynamic startup environment

Desirable

  • You’re familiar with Typescript
  • You’ve deployed or managed infrastructure on AWS

Tech Stack

  • Infra & monitoring: AWS (ECS, RDS, Elasticache, Lambda etc.), Tinybird, Modal, Dagster, Langsmith, Datadog, Sentry, Incident.io
  • Languages & Frameworks: Typescript (Node.js), NestJS, Rails, React, Svelte,
  • Other day-to-day Tools: Postman, Notion, Slack, Jira, Github and more

Company Benefits

  • Meaningful share options (EMI) - share in the company's success as we grow
  • 25 days holiday + 1 additional day per year of tenure
  • Hybrid working friendly - typically 2 days/week in our London office. We’re open to discussing flexible arrangements—please share any preferences in your application
  • Private health insurance - including dental & optical
  • £15/day lunch budget when working from our London office, up to £120/month
  • £1,000 for your home office set up + £500/year top-up
  • Health, fitness and gift card discounts
  • Cycle2Work and Electric Car Scheme
  • Monthly in-person socials
  • Annual team offsite to sunny spots (last ones were in Spain and Portugal!)
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