Founding Engineer

Salary: £95,000 - 95,000 per year

Requirements

• Strong academic background with a degree in Computer Science or a related discipline
• Proven experience building production-grade web applications, ideally for enterprise or B2B environments
• Strong full-stack experience with modern technologies, including JavaScript/TypeScript and Python
• Experience with React (frontend) and backend frameworks such as FastAPI or similar
• Experience designing and implementing scalable data pipelines and database structures
• Hands-on experience with cloud infrastructure, ideally AWS
• Strong understanding of security and compliance considerations including ISO 27001 and GDPR
• Ability to work autonomously and make high-impact technical decisions in an early-stage environment
• A genuine interest in building AI-driven products that enhance human decision-making

Responsibilities

• Take ownership of an existing prototype and evolve it into a production-ready SaaS platform for enterprise customers
• Build and maintain a secure, scalable backend capable of handling sensitive enterprise data
• Design and develop high-quality frontend interfaces that make complex AI outputs intuitive and actionable for users
• Build and maintain deployment pipelines, testing frameworks, monitoring, and observability systems
• Design and implement secure data pipelines with appropriate access controls and auditability
• Ensure the platform meets enterprise-grade security and compliance requirements (ISO 27001, ISO 42001, GDPR)
• Collaborate directly with the founders to define technical architecture and engineering best practices
• Contribute to the development of agentic AI workflows that underpin the platform
• Lay the foundations for future engineering team growth, with scope to progress into a leadership role

Technologies

• AI
• AWS
• Backend
• Cloud
• FastAPI
• Frontend
• JavaScript
• Python
• React
• Security
• TypeScript
• Web
• LLM
• Machine Learning

More

We are an innovative, early-stage AI start-up based in Cambridge, looking for a Founding Engineer to join our world-class founding team. This is an exceptional opportunity to take ownership of a working prototype and transition it to a scalable, secure, enterprise-grade SaaS platform. Our mission is to assist organizations in identifying, prototyping, and deploying AI solutions. We offer direct collaboration with industry experts and significant equity upside, providing you with a genuinely impactful role from day one, along with the flexibility of working one day a week in the office and four days remote, conveniently accessible from London.

last updated 22 week of 2026