Senior Front End Engineer

The Hut Group; Trafford; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading technology company in the UK is seeking a Senior Frontend Software Engineer to build high-performance e-commerce frontends. The role involves defining technical architecture, mentoring junior developers, and driving innovation through JavaScript and modern frameworks. Candidates should have a strong background in headless applications and testing strategies, contributing to a culture of learning and growth.

Benefits

Access bespoke development programs

25 days annual leave plus bank holidays

Enhanced maternity and paternity pay

Wellbeing support and on-site gym

Staff discounts on THG brands

Qualifications

• Expert in JavaScript and modern frameworks.
• Proven experience delivering performant, maintainable code.
• Strong leadership and coaching skills.

Responsibilities

• Define technical architecture of applications.
• Mitigate technical risks ensuring the app is secure.
• Mentor junior developers and drive user-facing innovation.

Skills

JavaScript (vanilla, ES6+, & modern frameworks)

Experience of headless SSG applications

GraphQL

End-to-end / unit / integration testing

Event-driven programming

Job description

We are seeking a highly skilled Senior Frontend Software Engineer to join our squads exclusively focused on building performant, secure, and accessible headless e‑commerce frontends. You'll work predominantly in a JavaScript environment, leveraging modern technologies to deliver fast, scalable, and engaging customer experiences.

Responsibilities

• Help shape & define the technical architecture of the application, including the system's components, data structures, communication protocols, and other technical details.
• Identify potential technical risks and develop strategies to mitigate them, ensuring that the application is secure, robust and reliable.
• Champion performance optimisation across the frontend stack while ensuring accessibility and observability are baked into all solutions.
• Deeply committed to crafting intuitive, impactful, and optimised user experiences that turn complex workflows into seamless, engaging journeys.
• Share your knowledge within a democratic team of experts, to achieve optimal solutions.
• Foster a culture that encourages the growth of a highly performant team.
• Mentor junior developers and contribute to technical decision‑making within the squad.
• This role is ideal for a frontend specialist with strong technical depth, a keen eye for detail, and a passion for driving user‑facing innovation within a complex e‑commerce landscape. Proven experience architecting, developing, and delivering scalable, high‑performance frontend applications.
• Working specifically in the e‑commerce squads, you will be responsible for the end‑to‑end operation, development and management of the Beauty & Nutrition storefronts. This uniquely provides a key opportunity to influence c.140 locales across 15 high‑profile brands, utilise the latest technologies, innovate and make empowered choices that help shape the future of the THG commerce.

Qualifications

• Expert in JavaScript (vanilla, ES6+, & modern frameworks).
• Experience of headless SSG applications and GraphQL.
• Delivery of performant, maintainable, and reusable code that adheres to best practices and coding standards.
• A solid understanding of events and event‑driven programming, inheritance, throwing/catching errors, asynchronous vs synchronous programming.
• Demonstrable experience implementing & managing end‑to‑end / unit / integration testing strategies across a team.
• Strong leadership and coaching skills, able to manage the delivery of complex projects and features with team members.

Company Culture

Technology is the driving force behind THG, and it starts with our people. We are ambitious with our goals and challenge conventional thinking. THG Technology is different because we support every single person to make massive impact and drive their own work. Our people are always learning, and we work every day to ensure our technology is world class. This enables us to keep powering THG on a global scale.

Benefits & Perks

• Access bespoke development programmes that have been designed and developed by our in‑house L&D team.
• Continued development through our upskilling programme that is delivered in partnership with an industry‑leading training provider.
• 25 days annual leave plus bank holidays; up to 10 days compassionate leave; buy back up to 3 days each year; unlock 2 days volunteer leave after 12 months.
• Enhanced maternity and paternity pay, depending on length of service.
• Don’t want to work on your birthday? We don’t either! Enjoy your day off on us.
• Wellbeing support: access face‑to‑face and virtual appointments with our in‑house GP, access our in‑house CBT therapist, access our 247 Employee Assistance Programme (EAP) provided by Bupa, state‑of‑the‑art on‑site gym, and access to on‑site physio.
• Other perks: save up to 12% on the cost of personal tech through our salary sacrifice scheme, subsidised bus pass from Manchester City Centre to our ICON office, up to 50% staff discount on THG brands, on‑site staff shop, access to on‑site barber, referral bonus up to £1000 when a referred candidate passes probation, and anniversary gifts when you hit 5 and 10 years of service.