Founding Engineer AI in UNITED KINGDOM

Senior Software Engineer – SaaS & AI - Stealth Mode

£80,000- £95,000 + equity

Currently fully remote 1 day per month in Manchester (Ideally) from September 2025

Are you an ambitious full-stack engineer looking to shape the future of AI-driven solutions? My client, an early-stage SaaS startup currently in stealth mode is combining traditional Data Science, Machine Learning, and Generative AI to tackle complex data challenges for businesses of all sizes.

With early product-market fit and investment in progress, they are building a team to scale their platform from MVP to a market-leading solution. This is a rare opportunity to be at the forefront of AI innovation in a fast-paced, agile environment.

The Role

As a senior engineer, you’ll play a key role in developing a multitenant SaaS platform that integrates with client environments and automates operational workflows using AI.

Whilst there's no expectation for you to be an expert in AI or have worked in an AI driven startup, any experience or exposure to AI any experience using LLM APIs (e.g., GPT, Claude) in production would be a definite advantage.

What You’ll Do

• Design, develop, and deploy scalable solutions across the stack.
• Collaborate with product managers, UX designers, and clients.
• Implement software engineering best practices.
• Contribute to architecture, DevOps, and CI/CD pipelines.

Tech Stack & Must-Have Experience

• Frontend: React, TypeScript
• Backend: Express, TypeScript
• Databases: SQL & NoSQL
• Cloud: Serverless functions, container orchestration, API management
• Infrastructure: Declarative IaC, CI/CD pipelines

Nice to Have

• Machine Learning or Data Science exposure
• Experience in product, supply chain, or back-office processes
• AI: Experience using LLM APIs (e.g., GPT, Claude) in production
• Education: STEM degree (1st/2:1 preferred)
• Manchester-based or able to travel every 2 weeks as a minimum

What’s in It for You?

• Competitive salary & share options
• Influence over company direction & future team building
• The chance to solve real-world challenges with cutting-edge AI

This is an opportunity to work for an AI business currently in stealth that is about to make huge waves over the next few months ahead.