Sr React JS Developer

As a Sr React JS Developer at TekWissen, your key responsibilities will include using your in-depth knowledge of JavaScript, CSS, and HTML to build and optimize user interfaces. You will work extensively with React tools like React JS, Node JS, and Redux, ensuring code quality through performance testing frameworks such as Mocha and Jest. Additionally, you'll collaborate with team members using version control systems and contribute to RESTful API integrations.

To qualify for the role of Sr React JS Developer at TekWissen, candidates should possess at least 5 years of experience in front-end development. A strong background in React JS, Node JS, CSS, and HTML is essential, along with familiarity with performance testing tools and methodologies. Experience using Git repositories and TypeScript is also a plus. Previous experience with Walmart projects can be a valuable asset.

At TekWissen, a Sr React JS Developer will utilize an array of skills, including proficiency in React JS, Node JS, CSS, and HTML. You'll also apply knowledge of React components, hooks, and lifecycle methods, as well as debugging and performance testing using tools like Mocha and Jest. Familiarity with IDEs, RESTful APIs, and Git repositories will further enhance your capabilities in this role.

The Sr React JS Developer position at TekWissen is a hybrid role, requiring you to work onsite for three days a week in Bentonville, AR. This setup allows you to collaborate closely with your team while also enjoying the flexibility of remote work on the other days.

The contract for the Sr React JS Developer role at TekWissen spans 12 months. This is a fantastic opportunity to make impactful contributions and enhance your skills in a dynamic work environment.

In your response, you should detail the React component lifecycle phases: mounting, updating, and unmounting. Discuss how understanding these phases helps in optimizing component performance and managing side effects effectively.

Discuss how React hooks allow you to use state and other React features without writing a class. You could mention common hooks like useState and useEffect, explaining how they enhance reusability and simplify code management.

Explain your strategy for performance testing, including the use of testing frameworks like Mocha and Jest, and tools to monitor rendering times and detect bottlenecks. Mention how you optimize performance based on test results.

Discuss your experience with state management libraries like Redux, and how you structure global state for better scalability and maintainability. Share examples of when you've effectively utilized Redux in a project.

Discuss your experience with RESTful APIs, explaining how you utilize them for data operations in React apps. You could share examples of API integrations, data fetching methods, and error handling strategies.

Share a specific example of a bug, detailing your troubleshooting process and how you resolved it. Emphasize the importance of thorough debugging and testing in maintaining application quality.

Discuss your proficiency with Git, explaining your workflow for branching, merging, and resolving conflicts. Mention how collaboration through pull requests and code reviews plays into your development process.

Talk about specific strategies such as lazy loading, code splitting, and image optimization. Explain how you assess and improve the performance of a React application effectively.

Discuss your use of linters, code reviews, and unit testing to ensure high-quality code. Mention how following best practices helps maintain the reliability and readability of your codebase.

Express your enthusiasm for joining TekWissen, highlighting the company's commitment to innovation and professional growth. Discuss how your skills and values align with the company's goals and how you can contribute to its success.