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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