[Job-19039] React Developer Master, Colombia

As a Master React Developer at CI&T, your main responsibilities include designing, building, and maintaining scalable web applications using React and Material UI. You'll implement cutting-edge front-end technologies to enhance user interfaces, collaborate with cross-functional teams to define and ship new features, and conduct code reviews while providing feedback to team members. Additionally, you'll address performance bottlenecks and bugs, ensuring the best possible quality and responsiveness for our applications.

To qualify for the Master React Developer position at CI&T, candidates should have over 8 years of front-end development experience, a solid grasp of React.js and Material UI components, and proficiency in TypeScript and JavaScript. Familiarity with popular React.js workflows, RESTful APIs, modern build pipelines, and various authorization mechanisms is also essential. A Bachelor's degree in Computer Science or a related field is typically required, along with excellent problem-solving abilities and strong communication skills.

A Master React Developer at CI&T should be well-versed in various technologies, including React.js, Material UI, TypeScript, and JavaScript. Experience with popular workflows such as Redux or Flux will be beneficial. Familiarity with RESTful APIs, modern front-end build pipelines, and tools, alongside knowledge of modern authorization methods like JSON Web Tokens, is also highly advantageous for this role.

CI&T offers an attractive benefits package for Master React Developers that includes premium healthcare, meal vouchers, parental leaves, and mobile services subsidies. Additionally, employees enjoy paid vacations, sick pay, life insurance, and access to CI&T University for career development. Our work environment promotes diversity and inclusion, ensuring all employees feel valued and appreciated.

CI&T is dedicated to building a diverse and inclusive workplace where every employee's voice matters. We celebrate the diversity of our CI&Ters' identities and lived experiences by promoting an equitable culture focused on collaboration and innovation. We strongly encourage candidates from diverse and underrepresented communities to apply, understanding that impactful work happens when a multitude of perspectives come together.

When answering this question, highlight React's component-based architecture, the importance of virtual DOM for performance, and how state and props work. Discuss how these concepts help in building dynamic and responsive user interfaces, as well as your personal experience applying them in projects.

In your response, illustrate your understanding of managing state using both class components and functional components with hooks like useState and useReducer. Share instances where you've effectively managed local and global state using libraries like Redux or Context API.

Share a specific example of a bug you've faced, your approach to debugging, and the tools or techniques you used. Emphasize how you identified the issue through systematic problem-solving and how you prevented similar bugs in the future.

Explain how Material UI facilitates faster development by providing pre-built components that adhere to Google's Material Design principles. Discuss your experience in customizing these components to fit UI requirements and how it contributes to overall UX.

Outline the practices you implement to maintain code quality, like conducting code reviews and writing unit tests. Discuss performance optimization strategies, possibly mentioning lazy loading, memoization techniques, and analyzing performance using React's Profiler.

Articulate your strategies for keeping up with changes in front-end development, such as following influential tech blogs, participating in online forums, attending webinars, or contributing to open-source projects. Highlight any specific resources you rely on.

Discuss your experience working within Agile teams and using tools for version control and project management. Emphasize communication skills, specifying how you maintain transparency and a collaborative environment to achieve project objectives.

Explain your testing strategies, mentioning tools like Jest, Enzyme, or React Testing Library. Share your approach to writing unit tests and integration tests, and highlight how testing improves the reliability of your applications.

Provide a step-by-step approach, identifying possible performance issues such as unnecessary re-renders, large bundle sizes, and inefficient data fetching. Discuss strategies like code-splitting, using React.memo, or optimizing component structures to enhance performance.

Share common pitfalls, like overusing state, failing to clean up side effects in useEffect, or neglecting prop validation. Provide insights into best practices that can help avoid these issues and ensure clean, manageable code.