Hedgehog Lab
Adecco
Phee Farrer Jones
Rise Technical Recruitment Limited
Evaro
Oxford Instruments Plc
Oxford Instruments Plc
Rise Technical Recruitment Limited
Connect with headhunters to apply for similar jobsRise Technical Recruitment
Onyx-Conseil
Travelers
Hedgehog Lab
The HALO Trust
Hastings Insurance Services
PhixFlow
Aryza UK Services Ltd
A digital product consultancy is seeking a Principal Full Stack JavaScript Engineer to join their Engineering team in Leeds. In this hands-on role, you will lead the modernization of a monolithic JavaScript platform, breaking it down into structured components while collaborating with senior engineers. You will contribute to architectural decisions and operational readiness in a flexible working environment. Ideal candidates will have deep expertise in JavaScript and strong full-stack experience. The position offers a supportive and collaborative culture along with various benefits including annual leave and well-being support.
We're growing our Engineering team to strengthen our ability to deliver world-class digital products for our clients. As a Principal Full Stack JavaScript Engineer, you'll join a small, highly technical group tackling a complex transformation: breaking down a monolithic JavaScript platform into clearer, modern components. This is an individual contributor role for someone who thrives on problem-solving, can ramp up quickly, and can collaborate confidently with other very strong engineers. You'll be hands-on from day one, helping modernise architecture, improve maintainability, and set the foundations for future technology decisions, all while staying pragmatic and delivery-focused.
Who is hedgehog lab? hedgehog lab is a digital product consultancy with 20 years of experience. Based in Northern England, we help global brands craft better digital experiences through technical excellence and human‑first collaboration.
* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.