> Markdown version of [/jobs/ext/3847233-embedded-engineer-ble-wearables](https://www.wearedevelopers.com/jobs/ext/3847233-embedded-engineer-ble-wearables). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Embedded Engineer (BLE / Wearables) - **Company:** Zen Lyf Inc. - **Location:** San Francisco, CA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Cascading Style Sheets (CSS), Code Review, Design of User Interfaces, Open Source Technology, Performance Tuning, Responsive Web Design, TypeScript, ReactJS, Backend, Git, Information Technology, Graphql, Front End Software Development, React Redux, React Testing Library, Restful APIs, Wearables, Software Version Control - **Published:** October 20, 2026 - **Apply:** https://www.juju.com/job/23_E3D69EAB6C67F1E065C747D7E9A5C4C5 ## About the Role 5+ years of experience with frontend development Experience with responsive design and CSS frameworks Familiarity with RESTful APIs and GraphQL Experience with version control systems (Git) Knowledge of performance optimization techniques Bachelor's degree in Computer Science or related field, or equivalent experience Nice to Have Experience with healthcare applications or HIPAA compliance Knowledge of state management libraries (Redux, MobX, etc.) Experience with testing frameworks (Jest, React Testing Library) Understanding of CI/CD pipelines Contributions to open-source projects Experience with design systems and component libraries ## Description Develop and maintain high-quality, responsive web applications using React and TypeScript Collaborate with designers, product managers, and backend engineers to implement features and resolve issues Optimize applications for maximum speed and scalability Implement UI/UX designs to create intuitive, accessible user experiences Ensure the technical feasibility of UI/UX designs Participate in code reviews and contribute to architecture discussions Write clean, maintainable, and well-documented code Stay up-to-date with emerging trends and technologies in frontend development