Senior E-Commerce Engineer
London United KingdomEngineer$105k–$185kPosted Jun 25, 2026
Jobs homepageCurrent openings Back Senior E-Commerce EngineerLondon, United Kingdom · Permanent · HybridOverviewApplicationAbout this job Apply Share job Job description The MissionThe Engineering team’s mission is bold and clear: To build a technology ecosystem that serves as a "poster-child" for how enterprise businesses leverage the Shopify ecosystem to achieve exceptional results with agility, speed, and efficiency.The RoleYou are a specialist. While others work on backend integration, you live and breathe and own the Shopify ecosystem. You will work within the Engineering team to build a modular, high-performance storefront theme.Your code is what our members interact with every day, you create the best practice version for others to work with. You will work closely with UX/UI designers to translate high-fidelity designs into pixel-perfect reality, and with Product Managers to ensure those designs are built as reusable components that empower our commercial teams to move fast. Job requirements Proven experience specifically developing on Shopify Plus. You know the Admin API, Storefront API, and Liquid inside outProficiency in modern CSS and lightweight JavaScript frameworksComfortable using the command-line tool provided by Shopify to manage and develop themes and apps, along with using the version control system GitHub and Continuous Integration/Continuous Deployment (CI/CD) automated systems for safely releasing updates to the storefront design.You care about the pixel-perfect implementation of a design and the "micro-interactions" that delight users.You understand that the ultimate goal of your code is to help our customers and members buy amazing Skincare, Makeup, and Bodycare products. Job responsibilities Develop and maintain our custom Shopify Plus theme. Write clean Liquid code that maximises the platform's native capabilities.Architect a library of "Sections" and "Blocks" that allow our eCommerce team to build landing pages dynamically without engineering support.Own the Core Web Vitals of the site. Relentlessly optimise CSS, JavaScript, and asset loading to ensure we are among the fastest beauty sites on the web.Implement "progressive enhancement" techniques to ensure the site feels instantaneousUtilise Shopify Functions and Checkout UI Extensions to customise the purchase flow (e.g., membership validation) in a way that is upgrade-safe and scalable when custom work is required, but prioritise using native or 3rd party capabilities when they make the most sense.Work with Full-Stack Engineers to consume custom APIs where native Shopify data isn't enough, ensuring the integration is seamless and secure.Champion accessibility (WCAG) standards in every line of code.Participate in code reviews, ensuring that we aren't just "hacking it together" but are building a codebase that will last and that the team is proud of.Set best practice standards for the team to work from, paving the way and gently mentoring others around you to deliver. Job benefits Your piece of the Beauty Pie: Life & BalanceHybrid working with 3 days in the office in central London Free membership to Beauty Pie+ and 30% off our productsPieshares (stock options)25 days holiday & your birthday off Flexible bank holidaysEqual leave for all new parents regardless of gender or personal circumstancesHealth & WellbeingPrivate Medical Insurance Menopause support£2,500 / $2,500 to spend on your fertility journey after 2 years of service 10 therapy sessions through AXA PPPAccess to mental health support through Spill Apply now for a chance to be part of an inspirational, talented team.Beauty Pie is an equal opportunity employer. The company will not unlawfully discriminate on grounds of gender, sexual orientation, marital or civil partner status, gender reassignment, race, religion or belief, colour, nationality, ethnic or national origin, disability or age, pregnancy or trade union membership.