Senior Full Stack Engineer, Front-end Focus

h3About the role /h3 pWe’re looking for a Senior Full Stack Engineer with a front-end focus who has experience working with commercial. You’ll turn a marketing campaign, a pricing test or a new product launch into a fast, reliable experience, then measure whether it worked. /p pYour main focus will be bzoe.com /b band our acquisition and conversion journeys /b, 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 you’ll work in our backend services (Kotlin or Python) whenever a feature needs it. /p pThis 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. /p h3Our Stack /h3 ul liFrontend: TypeScript, React, Next.js, React, GraphQL /li liBackend: Kotlin / Spring Boot, Python / FastAPI and Django /li liTools: DatoCMS / headless CMS, Optimizely / AB testing tools, Grafana, Sentry, Firebase Auth /li liCI/CD: ArgoCD, GitHub Actions /li liData: web data layer, dbt, BigQuery /li liInfrastructure: GCP, Kubernetes, Terraform, Vercel /li /ul h3About the Team /h3 pYou’ll join ZOE’s bGrowth team /b, which drives how people discover, learn and become a member. Growth sits where engineering meets the commercial side of the business. We work closely with marketing, CRM, product, design and analytics to turn ideas into experiments, and experiments into results. /p pOur wider Engineering team is a distributed across the UK and EU, with skills spanning web, mobile and backend engineering, machine learning, data science and analytics. We’re proud of the diversity in our team: 39% female and 61% male, with colleagues from many backgrounds, cultures and lived experiences. We believe this makes us stronger, more creative and better able to serve our global community. /p pAbove all, we value curiosity, openness and empowerment. We encourage everyone to share ideas, keep learning and shape how we work. /p h3What you’ll be doing /h3 ul liOwning growth initiatives end to end: from shaping the idea with commercial partners, through technical delivery, to measuring the result. /li liPartnering 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. /li liRunning experiments: designing, launching and analysing A/B tests with our analysts, and using the results to decide what to build next. /li liBuilding a fast, high-converting zoe.com: owning web performance, accessibility and conversion across key journeys such as landing pages, sign-up and checkout. /li liAdapting 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. /li liWorking across the stack: shaping APIs and making backend changes where growth features need them, in Kotlin or Python. /li liContributing to the design system: helping grow our shared component library so the team can ship consistent experiences quickly. /li liShipping continuously: releasing to production daily, often more than once, with the testing and monitoring in place to do so safely. /li /ul h3We think you’d be great if you… /h3 ul liHave 5+ years of professional software development experience, with a strong focus on front-end. /li liHave strong experience with TypeScript, React and Next.js, and know how to build fast, accessible and well-tested web experiences. /li liHave worked closely with commercial functions such as marketing, growth, sales or CRM, and enjoy turning business goals into product outcomes. /li liHave hands‑on experience with experimentation and analytics, such as A/B testing, conversion optimisation or funnel analysis. /li liWork autonomously: you take ownership of ambiguous problems, make decisions with limited guidance and keep stakeholders informed. /li liHave working knowledge of a backend language (such as Python, Kotlin or Java) and are comfortable making backend changes. /li liHave worked in a startup or scale‑up environment and are comfortable with a fast pace and shifting priorities. /li /ul h3Nice to have /h3 ul liExperience with Optimizely or similar experimentation tools /li liExperience in e‑commerce, subscriptions or direct‑to‑consumer growth /li liExperience building or contributing to a design system /li liReact Native experience, or interest in growth across web and mobile /li liProduction experience with Kotlin or Python /li /ul h3Where and how we work /h3 ul liThis is a permanent, full‑time employed position. We’re not considering B2B, freelance or contractor arrangements. /li liFully remote, open to candidates based in the UK and EU countries who have the permanent right to work and live. We’re not able to offer visa sponsorship. /li liWe work across UK and Central European time zones, with core collaboration ho