Full Stack Developer

Salary: £100,000 - 100,000 per year

Requirements

• Strong commercial experience building web applications with React and Python
• Hands-on experience in an AWS Serverless setup (Lambda, API Gateway, DynamoDB, event-driven architectures)
• Confidence integrating external APIs, including modern LLM/AI services
• A product mindset: you care about usability, clarity, and shipping value
• Comfort working in a startup environment - ownership, pace, and ambiguity
• An interest in cyber security or secure software development

Responsibilities

• Build and ship product features across the stack (UI, API, cloud)
• Develop back-end services in Python, delivering reliable, well-tested APIs
• Build responsive, intuitive front-ends in React
• Work within an AWS serverless environment (event-driven services, APIs, scalable data patterns)
• Integrate external services (including LLM APIs) to enhance workflows and automation
• Collaborate closely with founders and product to shape requirements and deliver fast
• Improve reliability, performance, monitoring, and developer experience as the product scales

Technologies

• AI
• API
• AWS
• Lambda
• Cloud
• LLM
• Python
• React
• Security
• Serverless
• Web
• UX UI Design
• Backend
• DevOps
• Frontend
• Fullstack

More

We are a UK cyber security startup focused on building a platform that helps organisations detect malicious open-source code and secure their software supply chain in real time. Our product continuously scans dependencies, surfaces risk clearly, and enables teams to prevent compromised packages from entering their codebase, all without slowing down engineering processes. As part of a leading UK cyber security accelerator programme, we are dedicated to supporting the next generation of high-growth security startups. We offer a competitive salary range of £80,000-£100,000, an equity opportunity, and a remote-first work environment across the UK, providing flexibility and autonomy while allowing your work to directly shape our platform and customer experience.

last updated 17 week of 2026