Frontend Architect Lead: Build from Scratch with AI

HT Recruitment Limited; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Job summary

London-based startup is seeking a Principal Frontend Engineer to design and own the frontend architecture. This hands-on leadership role involves writing code, shipping features and setting how systems are built and scaled.

You’ll work with modern tooling, including AI-assisted development, and have freedom to try new approaches that deliver impact across international markets. Expect ownership, influence, and direct access to founders as you help build an elite in-house engineering

Qualifications

• You are an experienced engineer with strong architectural knowledge and shipping quality work.
• You have helped shape technical direction and set engineering standards from day one.
• You are excited about AI-assisted development to move faster and smarter.
• You are proactive, curious and an excellent communicator.
• You thrive in fast-paced startups and complex, scalable systems.

Responsibilities

• Own the frontend architecture and technical direction for the product.
• Write code, ship features and drive ongoing improvements.
• Define how components, services and systems are built and scaled.
• Collaborate with a small, talented team and founders on strategy.
• Experiment with modern tooling and AI-assisted development to improve delivery.

Skills

Architectural leadership

Hands-on coding

Technical direction

Communication

Job description

London-based startup is seeking a Principal Frontend Engineer to design and own the frontend architecture. This hands-on leadership role involves writing code, shipping features and setting how systems are built and scaled.

You’ll work with modern tooling, including AI-assisted development, and have freedom to try new approaches that deliver impact across international markets. Expect ownership, influence, and direct access to founders as you help build an elite in-house engineering