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

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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.

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