Frontend Engineer (£75k-£100k + Equity) at Well-funded activity platform SaaS

Jack & Jill/External ATS; Greater London; On-site; GBP 75,000 - 100,000; Full time

Job summary

A well-funded SaaS platform in London is seeking a Frontend Engineer to lead the evolution of the platform’s UI. In this role, you will design and build features from end-to-end to enhance user experience. Candidates should have over 5 years of experience with React, TypeScript, HTML, and CSS, and be legally allowed to work in the UK. This is an opportunity to define engineering practices in a high-autonomy environment.

Benefits

Equity

High autonomy in role

Qualifications

• 5+ years of hands-on industry experience with React, TypeScript, HTML, and CSS.
• Demonstrated ability to take features from 0-1, ship rapidly, and proactively drive solutions.
• Possesses legal right to work in the UK and thrives in a high-autonomy, builder-first environment.

Responsibilities

• Design, build, and own new features end-to-end, from customer need to production.
• Drive continuous improvement in the UI, performance, and frontend system architecture.
• Collaborate closely with product and backend teams to deliver measurable results and ship daily.

Skills

React

TypeScript

HTML

CSS

Job description

FrontEnd Engineer (£75k-£100k + Equity) at Well-funded activity platform SaaS

Title: Frontend Engineer

Salary: £75k-£100k + Equity

Company Description: Well-funded activity platform SaaS

Location: London, UK

Job Description

As a Founding Frontend Engineer, you will lead the evolution of the platform’s UI, designing, building, and owning features end‑to‑end. This high‑impact role requires shipping quickly, defining frontend architecture, and contributing to a product‑led, customer‑first environment. Join a scaling team transforming operations for experience‑led businesses.

Why this role is remarkable

• Shape the frontend architecture and user experience of a rapidly growing platform.
• Backed by top‑tier UK investors with strong market traction in a large market.
• Opportunity to define engineering practices and significantly impact product direction.

What you will do

• Design, build, and own new features end‑to‑end, from customer need to production.
• Drive continuous improvement in the UI, performance, and frontend system architecture.
• Collaborate closely with product and backend teams to deliver measurable results and ship daily.

The ideal candidate

• 5+ years of hands‑on industry experience with React, TypeScript, HTML, and CSS.
• Demonstrated ability to take features from 0‑1, ship rapidly, and proactively drive solutions.
• Possesses legal right to work in the UK and thrives in a high‑autonomy, builder‑first environment.

How to Apply

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website.

Step 2. Click 'Speak with Jack'.

Step 3. Login with your LinkedIn profile.

Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.

Step 5. If the hiring manager would like to meet you, Jack will make the introduction.