Optum - Senior Frontend Engineer - React.js Framework

Description :

The ideal candidate will lead the development of scalable, high-performance web applications and collaborate closely with cross-functional teams to deliver exceptional user experiences. Cloud experience (AWS, Azure, or GCP) is mandatory.

Key Responsibilities :

- Design, develop, and maintain React.js-based applications with a focus on performance and scalability.

- Implement reusable components and ensure responsive design across devices.

- Collaborate with UX/UI designers to translate designs into functional interfaces.

- Integrate frontend with backend services using RESTful APIs or GraphQL.

- Contribute to backend development tasks (10%) in Node.js / Java / Python as needed.

- Optimize application for maximum speed and scalability.

- Mentor junior developers and participate in code reviews.

- Stay updated with emerging technologies and best practices in frontend development.

Required Skills & Qualifications :

- 10 to 13 years of overall experience in software development.

- Strong expertise in React.js, including hooks, state management (Redux or Context API), and component lifecycle.

- Proficiency in JavaScript (ES6+), HTML5, CSS3, and modern frontend build tools (Webpack, Babel).

- Exposure to backend technologies like Node.js, Java, or Python.

- Experience with RESTful APIs, GraphQL, and microservices architecture.

- Mandatory experience with cloud platforms such as AWS, Azure, or GCP.

- Familiarity with CI/CD pipelines, Git, and deployment strategies.

- Strong problem-solving skills and ability to work in an agile environment.

Preferred Qualifications :

- Experience with TypeScript and testing frameworks (Jest, React Testing Library).

- Knowledge of containerization (Docker) and orchestration (Kubernetes).

- Prior experience in leading teams or handling complex projects.