Job Description
This is hybrid
We’re seeking a Senior Front-End Engineer to lead the development of user-centric interfaces for cloud-based health diagnostics and mobile tracking applications. This role is ideal for a passionate front-end expert who thrives in a fast-paced, data-driven environment and is motivated to deliver intuitive, secure, and responsive user experiences across platforms.
Responsibilities:
- Design and build engaging, high-performance UIs for mobile and web applications using React , React Native , TypeScript , HTML5 , and CSS3
- Collaborate with product designers and backend engineers to deliver seamless, integrated experiences
- Optimize performance and usability across devices and browsers, ensuring accessibility and responsiveness
- Implement modern design patterns and architectural best practices to maintain code quality and scalability
- Develop and integrate secure, reliable APIs; handle real-time data and server-initiated communication
- Drive UX improvements using A/B testing, user feedback, and behavioral analytics
- Contribute to system documentation, UI component libraries, and front-end architectural strategy
- Participate in agile ceremonies, code reviews, and iterative release cycles
Requirements:
- 7+ years of hands-on front-end or full-stack development experience, with a strong focus on UI for mobile and web
- Deep knowledge of JavaScript (ES6+) , TypeScript , React , React Native , and modern UI development practices
- Solid understanding of RESTful API integration and real-time data handling (e.g., WebSockets)
- Proven track record of developing secure, scalable applications and mitigating common front-end vulnerabilities
- Strong attention to detail and experience translating UX wireframes and mockups into functional, elegant interfaces
- Skilled at diagnosing and resolving performance bottlenecks across browsers and platforms
- Comfortable working with cross-functional teams in a cloud-native, agile development environment
Preferred:
- Experience working with Node.js and server-side JavaScript
- Familiarity with Azure cloud services and secure mobile/web deployment practices
- Exposure to streaming data technologies like Kafka , Azure Event Hub , or Redis
- Experience with A/B testing frameworks and user research
Minimum Qualifications:
- Bachelor’s degree in Computer Science, Engineering, or equivalent experience—we welcome diverse educational paths
- Passion for crafting high-quality UI and user experiences backed by analytics, testing, and user insights
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