Senior Frontend Developer

Company:  Jobleads-UK
Location: London
Closing Date: 10/10/2026
Salary: 100.000 - 125.000
Hours: Full Time
Type: Permanent

Job Description

Senior Frontend Engineer

A fast-growing AI SaaS company is seeking a Senior Frontend Engineer to enhance and expand its cutting-edge analytics platform. You will play a pivotal role in developing high-performance dashboards, immersive 3D visualisations, and entirely new applications on top of the existing platform.

This is a unique opportunity to join an ambitious, scaling team with a strong technical culture and significant growth potential. In addition to a competitive salary, equity options are available for those looking to take ownership and make an impact.

You will develop and deploy scalable B2B SaaS web applications, including analytics dashboards, APIs, and advanced 3D visualisations. Collaborating closely with backend, AI, and 3D vision teams, you will ensure seamless integrations while implementing best-in-class UI/UX design. Rigorous testing will be a key part of your role to maintain high performance and reliability across the platform.

To be successful in this role, you will have at least five years of experience developing scalable frontend applications for B2B or enterprise environments. A strong technical background in JavaScript/TypeScript and React is essential, along with hands-on experience using Three.js for 3D visualisation. Familiarity with AWS and Docker will also be highly beneficial. You must have previously worked in a startup or scale-up setting, demonstrating the ability to navigate rapid growth, evolving product requirements, and technical scalability challenges.

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