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Founding Frontend Engineer ($140k-$200k + Equity) at fast-growing tech startup

Founding Frontend Engineer ($140k-$200k + Equity) at fast-growing tech startup

Remote

London, United kingdom

Mid level

Full Time

17-12-2025

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Skills

Leadership JavaScript TypeScript Product vision Architecture angular react JavaScript/TypeScript HTML5

Job Specifications

This is a job that we are recruiting for on behalf of one of our customers.

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask.

Founding Frontend Engineer

Salary: $140k–$200k + Equity

Company Description: Fast-growing early-stage tech startup

Job Description:

Lead frontend development at an early-stage tech startup, shaping the technical architecture and building user-facing products from the ground up. This high-impact, high-ownership role is ideal for an engineer who wants to define both the product and the engineering culture, playing a pivotal role in the company’s success in a fast-paced, 0→1 environment.

Location: London, UK

Why this role is remarkable:

Shape technical architecture and engineering culture as a founding engineer.
High-impact role at a well-funded startup building products from 0 to 1.
Significant equity package with a clear path to future engineering leadership.

What you will do:

Design and implement scalable frontend architecture, establishing best-in-class engineering practices.
Collaborate directly with founders and designers to turn product vision into exceptional user experiences.
Help define engineering culture, participate in hiring, and mentor future frontend engineers.

The ideal candidate:

5+ years of frontend development experience using modern JavaScript frameworks (React, Vue, or Angular).
Experience in early-stage environments (pre-Series A preferred), building products from scratch.
Deep expertise in HTML5, CSS3, JavaScript/TypeScript, and strong product intuition.

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.

About the Company

Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career. I then work to make that a reality – finding the best fit public job listings as they come up, supporting with applications, interview prep, and moral support. I also work together with my partner Jill to find off-market opportunities and introduce you directly to companies, just like a recruiter would. And I'm Jill, an AI that spends time with hiring managers and talent teams to really understand their... Know more