Frontend Developer

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