Senior Shopify Developer (m/f/d)

About Hilo by Aktiia High blood pressure is the world’s most common disease, causing 18M deaths each year. At Hilo by Aktiia, our vision is a world where no lives are lost or damaged from the effects of high blood pressure. Our mission is to make this a reality by developing tech to help people control their blood pressure. We are a venture-backed scale-up company, having raised over $96M from investors in Europe and the United States. Our technology - rooted in 18 years of research at the Swiss Center for Electronics and Microtechnology (CSEM) - is the world’s only medically accurate, continuous blood pressure monitor that is cuffless in daily life in the consumer space. Validated through extensive clinical trials and CE Marked as a Class IIa medical device, our solution is now available in 12 countries. We are a hybrid/remote-first company, with Headquarters in Neuchâtel, Switzerland, united by our passion for impact and innovation. This role is fully remote. We are looking for candidates based in Europe. Role overview We're looking for a Senior Shopify Developer to lead one of the most important technical initiatives in Hilo's next growth phase. You'll take ownership of our Shopify storefront and play a key role in launching our ecommerce platform into the US market. This is an opportunity to build something with real business impact, shape the technical direction of our commerce platform, and become the go-to expert for our storefront as we continue to scale internationally. Core responsibilities: Storefront ownership Own the Shopify storefront end to end, from build to launch, ensuring it is live and stable by our target US launch date. Own the frontend and ongoing business as usual work for the storefront. Understand Shopify architecture and best practices Being able to work across frontend and backend when required. Integrations Handle Shopify integrations including Celigo, NetSuite, Amazon, and other ERP systems, together with the related data mapping. Bring a strong understanding of backend integrations and APIs. Undertake backend work on our existing Java stack as needed, in line with team standards. Troubleshoot production issues independently. Quality and delivery Self-manage the quality assurance for your own work, with thorough testing, careful releases, and a strong QA mindset that favors prevention over firefighting. Document technical decisions, architecture, and implementation notes, leaving systems understandable for future developers. Work independently and proactively, communicating clearly and reliably with the team throughout, and escalating risks or blockers early. Extensive hands-on experience developing Shopify storefronts, including Liquid, Shopify APIs, Shopify Functions and custom app development. Experience integrating Shopify with third-party platforms such as ERP, OMS or fulfilment systems. Experience with Celigo, NetSuite or Amazon is highly valued but not essential. Solid understanding of APIs, system integrations and data flows, with the ability to troubleshoot production issues independently. Comfortable working across the frontend while understanding the backend architecture that supports a modern Shopify ecosystem. Comfortable occasionally contributing to the Java tech stack. Experience delivering production-ready software with a strong focus on testing, code quality and maintainability. Strong communication skills in English and the ability to collaborate effectively with engineering, product, marketing and commercial teams. A proactive, ownership-driven mindset. You enjoy solving problems, identifying improvements and communicating risks early rather than waiting for direction. Nice to Have Experience in any of the following areas would be an advantage, but isn't required: Headless commerce architectures Sanity CMS AWS or AWS Lambda CI/CD pipelines Shopify performance optimisation and SEO Exposure to Java-based backend services What success looks like The Shopify storefront is live and stable by the launch date. The Celigo, NetSuite, and Amazon integration work is clean, accurate, and well documented. You demonstrate strong independence and proactive communication throughout the engagement. You build a solid foundation that could grow into a longer term or full-time role, for example as our dedicated frontend/storefront owner. What Makes You A Great Fit At Hilo by Aktiia, our values guide everything we do: Move the Needle You focus on what truly drives impact for our customers and company. You use data and clarity to guide your decisions and prioritize what matters most. You push boundaries with bold, thoughtful innovation and hold yourself accountable for results. Move Fast, Learn, Refine You work with urgency and purpose, balancing speed with high quality. You treat mistakes as learning opportunities, experiment thoughtfully, and iterate quickly. You take ownership, act hands-on, and always look for smarter, faster ways to get things done - including leveraging AI and new tools. Team First You put the team above individual interests, building trust through openness and respect. You encourage healthy debate, challenge directly while caring personally, and stand behind team decisions. You act as an owner, stepping in when needed and doing what’s necessary for the team’s success. Why Join Us? Hilo by Aktiia is becoming one of the most important med-tech companies, and you can be part of this exciting story. Work on a mission that matters: transforming cardiovascular health at global scale. Be part of a high-impact, fast-growing, and venture-backed scale-up company. Collaborate with a diverse, passionate, and talented team. Competitive compensation and equity program, and other benefits (depending on location). Ready to Move the Needle? If you are passionate about making a meaningful impact in people's lives and excel in an environment where individuals take ownership and are committed to delivering results, we are happy to receive your application.