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. Role Overview We are seeking a talented and experienced Senior Backend Engineer to join our dynamic team. You will be a key contributor to the evolution of our core platform, responsible for designing, developing, and maintaining the robust, scalable, and secure backend systems that power our life-changing product. This is a hands-on role where you will take ownership of critical features, from architectural design to implementation, ensuring our services are built for performance, reliability, and compliance within a regulated medical device environment. You will work within a microservices architecture, leveraging your expertise in Java, Spring, and AWS to build solutions that handle complex data processing, real-time communication, and seamless integration across our ecosystem. You will collaborate closely with frontend, mobile, and firmware engineers, as well as product managers, to translate product vision into high-quality, efficient, and maintainable code. If you are passionate about building technology that has a real-world impact and thrive in a collaborative, fast-paced environment, this is the role for you. Our company offers a fully remote work model within Europe. However, this position requires the candidate to be based in Europe to ensure effective collaboration and alignment with our team and operational needs. Core Responsibilities System Architecture & Design Contribute to the overall design and architecture of our backend, and participate in discussions with lead developers to build scalable and resilient microservices on AWS. Code Quality & Testing Take ownership of your code quality by writing comprehensive unit and integration tests. Participate actively in code reviews to maintain high standards and ensure timely delivery. Technical Ownership Lead the design, implementation and deployment of backend features from concept to deployment, ensuring they meet both technical and product requirements. Process & Planning Estimate development efforts, participate in sprint planning, and keep your work meticulously tracked to align with Hilo’s development process and regulatory standards. Release & Operations Plan and support the release of backend services, ensuring smooth deployments and stable operations within our CI/CD pipeline. Mentorship & Collaboration Provide technical guidance to other engineers, share your expertise, and foster a culture of technical excellence and continuous improvement.