Frontend Engineer (JavaScript)
Sundayy
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About the role
Role overview
Staff Frontend Engineer responsible for defining and executing the technical vision for scaling interactive healthcare web applications. You’ll lead cross-functional work to deliver high-quality, performant, reliable user interfaces for healthcare professionals.
Responsibilities
- Own the technical vision and strategy for building and scaling interactive web applications
- Lead cross-team collaborations to solve complex, open-ended problems
- Design and develop reusable components and frontend frameworks
- Build intuitive, performant, and reliable UIs using modern frontend tools
- Partner with backend and QA engineers on specification, testing, and deployment
- Translate product vision into actionable quarterly roadmaps
- Mentor and train junior engineers on design principles, coding standards, and best practices
- Gather requirements from product teams and provide feedback to drive solutions
- Review/architect end-to-end technical solutions and balance cost vs. value trade-offs
- Conduct code reviews and pair programming to maintain high-quality standards
- Contribute to testing practices to prevent regressions and ensure robustness
Requirements
- 5+ years of experience with React.js
- 2+ years of experience with JavaScript type systems such as TypeScript
- 1+ year of experience with GraphQL and/or VTK in a production environment
- Experience with state management libraries such as Recoil, Redux, or MobX
- Strong understanding of frontend architecture, design patterns, and best practices
- Excellent problem-solving and communication skills
- Ability to collaborate in a multidisciplinary team
- Bachelor’s degree in Computer Science/Engineering (or equivalent experience)
Nice to have
- Knowledge of WebGL, D3.js, or Three.js
About Sundayy
Sirona Medical is a healthcare technology company focused on transforming the medical industry through innovative digital solutions. It builds highly interactive, scalable web applications to improve clinical workflows and patient care, with an emphasis on trustworthy doctor experiences. The company values technological innovation, collaboration, and continuous learning.
Scraped 4/11/2026