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
Role Accountability
Delivery and Technical Leadership
* Lead the design and implementation of frontend solutions for projects of varying size and complexity
* Own features from discovery through to production, including build, testing, release and iteration
* Work across multiple codebases where needed, balancing delivery speed with long term maintainability
* Break down complex work, identify dependencies early, and help the team plan effectively
* Ensure solutions meet agreed engineering standards, definitions of done, and non‑functional requirements
Engineering Excellence
* Make informed decisions around rendering strategies such as SSR, SSG, ISR and client‑side rendering
* Build performant, accessible and progressively enhanced web applications
* Identify and address performance, security and maintainability issues before they become systemic problems
* Improve observability for the areas you own, including monitoring, logging and alerting where appropriate
Collaboration and Influence
* Partner closely with Product Managers and Designers to shape solutions that balance customer value, technical quality and delivery timelines
* Surface technical risks, constraints or complex consequences early to avoid surprises later
* Communicate options and trade‑offs clearly to both technical and non‑technical stakeholders
* Contribute meaningfully to design reviews, technical proposals and architectural discussions
Mentorship and Team Impact
* Support and mentor less experienced engineers through pairing, code reviews and regular feedback
* Help unblock others by sharing context, technical knowledge and prior experienceContribute to onboarding by acting as a buddy or technical guide for new team members
* Share learnings through documentation, demos, workshops or engineering forums
Continuous Improvement and Culture
* Actively use your 10% time to invest in learning, experimentation, or improvements that benefit the team or wider engineering organisation
* Share outcomes from 10% time through demos, write-ups or informal sessions, and encourage others to use theirs effectively
* Champion improvements to engineering practices, tooling and ways of working
* Contribute ideas beyond your immediate team that raise the bar across frontend engineering
* Take part in post‑incident reviews and help define actions that prevent repeat issues
* Act with empathy, curiosity and respect, creating a psychologically safe environment for collaboration
What Good Looks Like
* Projects you lead are delivered with a high level of quality and predictability
* Your code is easy to understand, test and evolve, and sets a strong example for others
* The team moves faster because you proactively remove blockers and clarify complexity
* Product and design partners trust your judgement and value your input early
* Other engineers grow through your guidance and feel supported rather than directed
* Hands‑on delivery of Software solutions according to sprint backlog, often involving end‑to‑end leadership for a given feature or project
* Comfortable integrating and maintaining native codebases with third‑party software (e.g. Shopify)
* Ensure solutions are implemented that deliver genuine value to their users
* Creating, maintaining and improving upon CI/CD pipelines whilst also contributing to overall deployment strategy for Tech
* Able to build Infrastructure as Code (IaC) and to identify ongoing areas for improvement
* Coordinating and instrumenting the overarching solution design, in accordance with architectural vision and development strategy during the discovery phase of new projects
* Performing a suitable degree of testing against a given solution before delivery
* Building out our tools & technologies used for testing our solutions
* Collaborating with the QA team members in their approach & tooling around test automation
* Comfortable working within cross‑functional teams, raising valid discussion points, challenges, technical constraints and dependencies to the Product Owner to identify appropriate solutions
Preferred Skills & Experience
* Implementing monitoring solutions based around value‑focused KPIs for the solution as well as traditional infrastructure metrics including defining the engineering SLO for services & metrics
* Defining and tracking Engineering/Quality KPIs in collaboration with the Lead engineer to ensure delivery is consistent and class‑leading
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