Senior Frontend Product Engineer

SR2 Clean Energy; Greater London; On-site; GBP 70,000 - GBP 90,000; Full time

Job summary

A Series A AI startup in Greater London is looking for a Senior Frontend Engineer to enhance their core platform. The ideal candidate will possess strong React expertise and have a product-oriented mindset. This role involves creating user-friendly experiences while engaging with clients to understand their needs. You'll be part of a talented team focused on developing AI systems that learn from real-world processes. This position offers competitive compensation and equity opportunities.

Benefits

Extremely competitive salary

Meaningful equity

Opportunity to work with top talent in AI

Qualifications

• Exceptional React expertise is essential.
• Strong understanding of user experience necessary for intuitive front-end development.
• Experience in high ownership roles, preferably in start-ups.

Responsibilities

• Build the core platform providing a user-friendly experience.
• Engage with clients to gather user requirements.
• Work on end-to-end projects from design to deployment.

Skills

React expertise

Understanding of UX

Product-oriented mindset

Hands-on experience with human-in-the-loop feedback

Experience in a startup environment

Job description

Senior Frontend Engineer | Series A AI Startup | $30M Funding | Enterprise AI

Our client are building the next generation of enterprise AI – systems that learn continuously from real-world processes.

They’re a Series A company backed by $30M in funding and are growing their Product Engineering team to tackle one of the hardest problems in applied AI.

The Role

As a Frontend Product Engineer, you’ll build their core platform, enabling an intuitive & user-friendly experience all end clients. Your work will directly shape how users interact with the core product & the value they get from the product.

You’ll be comfortable working on end-to-end projects, from design through to deployment, being heavily user-centric and understanding user requirements via ongoing engagement with key clients.

You’ll be an expert in React, having experience of greenfield builds & a track-record of creating intuitive solutions that solve real-world engineering problems,

What We’re Looking For

• Exceptional React expertise
• Excellent understanding of UX and how it features in the end-to-end development of intuitive frontends (of which you will take full ownership)
• A strong product-oriented mindset
• Hands‑on work with human-in-the-loop feedback, evaluation frameworks, or continuous learning pipelines.
• Comfort operating at the boundary between research and real‑world impact.
• Experience in a start‑up environment or an impactful role with a high degree of ownership within a big tech environment

Why Join

• Extremely competitive salary
• Meaningful equity
• Work alongside some of the best talent in applied AI
• A rare opportunity to shape how the next generation of AI systems learn and evolve

If you’re excited about building AI systems that don’t just run workflows but learn from the world, we’d love to hear from you.