Senior Full Stack Engineer (Front-End Focus) at ZOE

We’re looking for a Senior Full Stack Engineer with a front-end focus who has experience working with commercial campaigns, pricing tests, or new product launches. You’ll turn these into fast, reliable experiences and measure their success.

Your main focus will be on zoe.com and our acquisition and conversion journeys, including landing pages, checkout, sign-up, and product launches across our app subscriptions and physical products. You’ll spend most of your time in TypeScript, React, and Next.js, and work in our backend services (Kotlin or Python) whenever a feature requires it.

This is a senior individual contributor role. We’re looking for someone who works autonomously, makes sound decisions independently, and takes full ownership of their work.

Our Stack

• Frontend: TypeScript, React, Next.js, GraphQL
• Backend: Kotlin / Spring Boot, Python / FastAPI and Django
• Tools: DatoCMS / headless CMS, Optimizely / AB testing tools, Grafana, Sentry, Firebase Auth
• CI/CD: ArgoCD, GitHub Actions
• Data: web data layer, dbt, BigQuery
• Infrastructure: GCP, Kubernetes, Terraform, Vercel

About the Team

You’ll join ZOE’s Growth team, which drives how people discover, learn, and become a member. Growth sits at the intersection of engineering and the commercial side of the business. You’ll work closely with marketing, CRM, product, design, and analytics to turn ideas into experiments and experiments into results.

Our wider Engineering team is distributed across the UK and EU, with skills spanning web, mobile, backend engineering, machine learning, data science, and analytics. We pride ourselves on our diversity: 39% female and 61% male, with colleagues from many backgrounds, cultures, and lived experiences. We believe this diversity makes us stronger, more creative, and better able to serve our global community.

Above all, we value curiosity, openness, and empowerment. We encourage everyone to share ideas, keep learning, and shape how we work.

What You’ll Be Doing

• Owning growth initiatives end-to-end: from shaping the idea with commercial partners, through technical delivery, to measuring the result.
• Partnering with commercial teams: working day-to-day with marketing, CRM, and product to deliver campaigns, launches, and acquisition journeys, often to tight, business-critical deadlines.
• Running experiments: designing, launching, and analyzing A/B tests with our analysts, and using the results to decide what to build next.
• Building a fast, high-converting zoe.com: owning web performance, accessibility, and conversion across key journeys such as landing pages, sign-up, and checkout.
• Adapting to changing priorities: making pragmatic trade-offs when plans change, and helping the team decide what to build, what to defer, and what to drop.
• Working across the stack: shaping APIs and making backend changes where growth features need them, in Kotlin or Python.
• Contributing to the design system: helping grow our shared component library so the team can ship consistent experiences quickly.
• Shipping continuously: releasing to production daily, often more than once, with the testing and monitoring in place to do so safely.

We Think You’d Be Great If You...

• Have 5+ years of professional software development experience, with a strong focus on front-end.
• Have strong experience with TypeScript, React, and Next.js, and know how to build fast, accessible, and well-tested web experiences.
• Have worked closely with commercial functions such as marketing, growth, sales, or CRM, and enjoy turning business goals into product outcomes.
• Have hands-on experience with experimentation and analytics, such as A/B testing, conversion optimization, or funnel analysis.
• Work autonomously: you take ownership of ambiguous problems, make decisions with limited guidance, and keep stakeholders informed.
• Have working knowledge of a backend language (such as Python, Kotlin, or Java) and are comfortable making backend changes.
• Have worked in a startup or scale-up environment and are comfortable with a fast pace and shifting priorities.

Nice to Have

• Experience with Optimizely or similar experimentation tools.
• Experience in e-commerce, subscriptions, or direct-to-consumer growth.
• Experience building or contributing to a design system.
• React Native experience, or interest in growth across web and mobile.
• Production experience with Kotlin or Python.

Where and How We Work

• This is a permanent, full-time employed position.
• Fully remote, open to candidates based in the UK, Ireland, Spain, or Germany who have the permanent right to work there. Visa sponsorship is not available.
• We work across UK and Central European time zones, with core collaboration hours. We get together in person once a quarter for team offsites at our London office, and once a year for a company-wide retreat.