Founding Frontend Engineer
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Founding Frontend Engineer at Innerworks in London, United Kingdom, is a full-time hybrid Lead IT role. JobGrid normalizes it into a comparable front-end engineer listing, keeps the original-language source boundary intact, and shows the latest source check from 2026-05-29. Applications go through JobGrid to the original public application page with non-personal referral parameters.
- Role title: Founding Frontend Engineer at Innerworks.
- Location and workplace: London, United Kingdom; hybrid.
- Employment and classification: full time, Lead level, IT / Front End Engineer.
- Source freshness: first posted 2026-05-29 and last checked 2026-05-29.
We're Hiring!
We’re hiring a Founding Frontend Engineer. You will be our first in-house Frontend Engineer, responsible for developing, maintaining, and scaling our user portal - the first thing customer’s see when engaging with our product. You’ll also be crafting the principles and values we uphold when we do frontend engineering now, and into the future. This is an opportunity to take complete ownership over our frontend stack, work with an incredible team of talented engineers, and to help build the future of immunity on the internet.
Your Responsibilities
Owning the full frontend surface from design system foundations to performance to deployment.
Translating UI/UX designs into clean, efficient, and maintainable code.
Developing accessible and high-performing user interfaces across devices.
Optimising application performance and ensuring cross-browser compatibility.
Identifying, troubleshooting, and resolving front-end issues efficiently.
Decision making on authentication strategies and secure session/token approaches (e.g. JWT/JWE, token rotation).
Collaboration with designers, developers, and stakeholders to deliver seamless digital experiences.
Enforcing and maintaining best practices in frontend development, including code quality, testing, and performance optimisation.