OVERVIEW:
As a Senior Frontend Engineer at Gymshark, you set the bar for how high quality, scalable, customer facing web experiences are built. You are a hands-on engineer who can take ownership of a typical project end to end, while also raising the capability of those around you.
You will work closely with Product, Design, Engineering Managers and Lead Engineers to deliver experiences that are fast, accessible and reliable at global scale. You are expected to make strong technical decisions, communicate trade-offs clearly, and help the team move forward with confidence.
This is an individual contributor role, with clear scope to influence technical direction, mentor others, and shape how frontend engineering is practiced across Gymshark.
This position is a 12-month FTC
WHAT YOU'LL BE DOING:
- Leading the design and delivery of frontend solutions across projects of varying scale and complexity
- Owning features end‑to‑end, from discovery through build, testing, release and iteration
- Working across multiple codebases, balancing delivery speed with long‑term maintainability
- Breaking down complex work, identify dependencies early and support effective team planning
- Ensuring solutions meet engineering standards, quality definitions and non‑functional requirements
- Building high‑quality web experiences using strong fundamentals across HTML, CSS, JavaScript, React and Next.js
- Partnering with Product and Design to shape solutions that balance customer value, technical quality and delivery timelines
- MentorIing engineers through pairing, reviews and knowledge‑sharing to uplift team capability
WHAT YOU'LL NEED:
Essential Criteria:
- Strong experience delivering frontend solutions using React, Next.js and modern JavaScript fundamentals
- Ability to choose and apply appropriate rendering strategies (SSR, SSG, ISR, client-side)Experience building performant, accessible and secure web applications
- Ability to identify and resolve performance, security and maintainability issues early
- Hands‑on experience contributing to CI/CD pipelines and deployment workflows
- Comfortable integrating or maintaining native codebases and third‑party platforms (e.g., Shopify)Strong collaboration skills, able to communicate technical risks, trade‑offs and constraints clearly
- A proactive, value‑driven mindset aligned with inclusive, supportive and continuous‑improvement culture
BELONGING AT GYMSHARK.
Our mission is to be a place where everyone belongs. We’re an equal opportunities employer, and for us that means we always strive to be as inclusive as possible in all aspects of employment, right from your application. We’re committed to finding reasonable adjustments* for candidates with specific needs or have a disability during our recruitment process, and all applicants will be considered fairly and equally. We do not tolerate discrimination of any kind. *If you’d like to request a reasonable adjustment please email [email protected].
ABOUT US.
We’re here to unite the conditioning community. We believe that putting the sweat in today, prepares us for tomorrow. So, we give people the tools they need to reach further, go faster, be stronger. We celebrate those who show up – for themselves – to be their physical or mental best, whatever that means for them. It’s what we want for our community, and our team. A team that’s growing rapidly around the world. A collective of talented individuals working together to invent Gymshark’s future. Our plans are ambitious, and we’re looking for people who want to join us for the ride – our growth will be your growth.
THE PERKS.
Standard benefits include:
- Performance-based Bonus opportunity
- Funded Healthcare benefit
- 25 days holiday, additional day for your birthday & Bank Holidays
- Contributory Employer pension scheme
- Flexible benefits programme – including salary sacrifice EV scheme, dental insurance, cycle to work, tech scheme, holiday trading
- Gymshark Employee Discount & long service awards
- Access to High Street cashback and discounts
- Financial, Physical and Mental Wellbeing Support
- Enhanced Family Leave package
- Life Assurance
Office location specific benefits include (IQ):
- Gym Membership to The Lifting Club (LC)
- Onsite lunch provision & coffee bars
- EV charge points available
Office location specific benefits include (LDN):
- Funded multi-site fitness membership
Note: The bonus program and benefits have certain eligibility requirements. Gymshark reserves the right to amend these programs in whole or in part at any time without advance notice.
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What We Do
Gymshark is one of the fastest growing and most recognisable fitness apparel and accessories brands, supported by over 5 million highly engaged social media followers and customers in 100’s of countries. Imagine working in a world of rapid change, where open minded, ambitious, curious, creative and resourceful people exist. We're always looking for great people and if you can imagine yourself here, this could be the place for you.
