Chief Technology Officer

Salary: £90,000 - 100,000 per year

Requirements

• Strong experience building and deploying production AI/ML systems
• Solid backend or full-stack engineering experience using Next.js, TypeScript, Express
• Strong understanding of system design, scalability, and performance optimization
• Experience leading projects or teams, or readiness to step into a leadership role
• Experience working on high-impact, user-facing products
• Experience within consumer platforms such as social media or events (desirable)
• Exposure to behavioral data, user modeling, or network-based systems (desirable)
• Background in early-stage startups or building products from zero to one (desirable)
• Familiarity with privacy-first design and secure data architectures (desirable)

Responsibilities

• Design and build AI/ML-powered matching or recommendation systems
• Develop scalable backend systems in Express
• Work in a full-stack environment using TypeScript & Next.js
• Confidently work on Cloud technologies, preferably GCP
• Create and optimize feedback loops to continuously improve platform outcomes
• Ensure high standards of performance, reliability, and data security
• Contribute to technical strategy and architecture decisions
• Support the transition from individual contributor to team leadership as the company scales
• Collaborate closely with product and leadership teams to shape the roadmap

Technologies

• AI
• Backend
• Cloud
• GCP
• Support
• Network
• Security
• TypeScript
• CTO
• Machine Learning
• NextJS

More

We are an early-stage, well-funded tech startup based in London, offering hybrid or remote working options within the UK. Our team is focused on building a next-generation platform used across various social media and events platforms. We have a strong product vision and an MVP already in place. As our first senior technical hire, you will play a crucial role in shaping the future of our platform by taking ownership of core technology and building a talented engineering team. We offer a competitive salary of £90,000–£100,000 plus equity, along with benefits such as a pension and flexible working arrangements.

last updated 16 week of 2026