Senior React Engineer (NW - SRFE - 20241212)

As a Senior React Engineer at Celara, you will be responsible for leading the design and development of scalable front-end applications. This includes architecting intuitive user interfaces, collaborating with back-end teams to define architecture and integration points, and optimizing applications for performance and accessibility. You'll also mentor junior developers and stay up-to-date with emerging front-end technologies.

To be considered for the Senior React Engineer position at Celara, you should have at least 5 years of experience in front-end development with a strong focus on React. Proficiency in HTML, CSS, JavaScript, and TypeScript is essential, as is experience with modern build pipelines, RESTful APIs, and web performance optimization. An advanced command of English (both written and spoken) is also required.

At Celara, we cultivate a collaborative and innovative team atmosphere. As a Senior React Engineer, you'll work alongside top-notch talent who are equally passionate about tackling complex challenges in AI. You will have plenty of opportunities to share your ideas and insights, helping to shape the future direction of our products while also benefiting from the collective knowledge of the team.

Celara places a strong emphasis on work-life balance and professional development. As a Senior React Engineer, you'll enjoy a primarily remote role with flexible working hours, competitive compensation, and continuous opportunities for learning and growth. Additionally, you'll have the chance to engage with your team in-person a few times a month at our Buenos Aires office for collaboration.

The Senior React Engineer at Celara will primarily work with React, HTML, CSS, and JavaScript/TypeScript for front-end development. Familiarity with Redux for state management, Next.js or Gatsby for server-side rendering, and testing frameworks like Jest or Cypress is also preferred, ensuring you have the tools to build robust applications.

When answering this question, it’s important to highlight specific projects where you utilized React effectively. Discuss your experience in building scalable applications, your understanding of component lifecycles, and how you've managed state in your applications using libraries like Redux. Be sure to mention any relevant challenges you faced and how you overcame them to showcase your problem-solving skills.

Focus on discussing your UX design philosophy and the methods you employ to ensure an optimal user experience. Talk about collaborative efforts with product teams, user feedback loops, and techniques such as A/B testing or user testing to refine and optimize the UI. Providing examples from past projects can make your response more compelling.

Detail specific techniques you’ve utilized to enhance front-end performance, such as code splitting, lazy loading, and minimizing render-blocking resources. Explain how you monitor performance through tools like Lighthouse or Chrome DevTools and emphasize your commitment to maintaining high accessibility standards.

When answering this question, describe a specific technical challenge, the steps you took to analyze and resolve it, and the outcome of your solution. Highlight your analytical skills and creativity, and don’t shy away from talking about the lessons learned through the experience.

Share your approach to continuous learning, such as following industry blogs, attending webinars, or participating in coding meetups. Mention any courses, certifications, or books that have influenced your development skills, showcasing your commitment to professional growth.

Discuss your familiarity with RESTful APIs and how you have integrated them into your projects. Provide an example of a project where you successfully consumed an API and describe how you managed data flow and state related to the API interactions.

Mention your experience with various testing frameworks like Jest, Cypress, or Enzyme. Discuss your approach to unit testing and end-to-end testing, emphasizing the importance of maintaining a robust testing suite to ensure application stability and performance before deployment.

Talk about specific instances where you've guided junior developers through code reviews, pair programming, or knowledge-sharing sessions. Highlight the importance of creating a supportive learning environment and how you foster their growth while maintaining a positive team dynamic.

Emphasize the significance of accessibility in modern web applications. Discuss the various standards you adhere to, such as WCAG, and the tools you use to ensure your applications are accessible to all users. Giving a concrete example of an accessibility feature you've implemented can strengthen your response.

Share your approach to project management, including prioritization techniques and time management skills. Talk about how you balance meeting deadlines with maintaining high coding standards, such as incorporating best practices, conducting code reviews, and utilizing automated testing tools to catch issues early.