Front-End Developer

As a Front-End Developer at 3E, you'll be responsible for developing, testing, and maintaining a high-performance front-end codebase for our SynaptiQ platform. Your key tasks will include optimizing performance, using React and Redux Toolkit to build dynamic UIs, implementing user management workflows, and conducting thorough code reviews to ensure quality and maintainability.

To qualify for the Front-End Developer role at 3E, candidates should have a minimum of 4 years of experience in front-end development, particularly with React. Proficiency in Typescript within a React codebase and a strong understanding of performance optimization techniques in React are essential. Experience with CSS-in-JS and debugging skills are also vital for this position.

In your role as a Front-End Developer at 3E, you will primarily work with React, Redux Toolkit, and Material UI. Familiarity with Typescript, CSS-in-JS, and performance optimization techniques is essential. Bonus skills include experience with MUI, Playwright, Highcharts, Nx, Vite, Docker, and Azure pipelines.

At 3E, you will collaborate with a multidisciplinary team that includes developers, scientists, renewable energy architects, electrical engineers, and sales/marketing professionals. This diverse team fosters creativity and innovation, working together to achieve project goals and improve renewable energy technologies.

3E offers a flexible and encouraging work culture with gliding working hours, and a supportive environment where everyone's ideas are welcomed. You’ll join an international team with more than 25 nationalities, working on projects across over 100 countries, all while enjoying a stimulating atmosphere with opportunities for personal and professional growth.

When answering this question, provide specific examples of how you have implemented React in your previous roles. Discuss the complexity of the components you’ve built, how you managed states, and any performance optimization techniques you utilized. Illustrate your experiences with real-world applications or challenges you've faced and overcome.

Explain your strategy for identifying performance bottlenecks, such as using profiling tools to pinpoint slow components. Discuss approaches like memoization, lazy loading, and code splitting. Provide examples from your past experiences where you successfully optimized performance and the impact it had on the application.

When discussing best practices, emphasize readability, modular architecture, and the importance of following coding standards. Talk about how you structure your components, the use of prop-types or TypeScript for type-checking, and the significance of thorough documentation to ensure that your code can be easily understood and maintained.

Discuss your philosophy on constructive feedback and how you approach code reviews. Emphasize the importance of adhering to coding standards, performance optimization, and ensuring that the code is easy to read and maintain. Share examples of how you’ve given feedback to improve code quality in previous roles.

Outline key security practices such as validating user inputs, implementing authentication workflows, and employing secure coding practices to protect sensitive data. Provide insights into how you keep up with the latest security trends and any specific techniques you've implemented to mitigate risks in your projects.

Discuss a range of tools that you are familiar with, such as package managers like npm or Yarn, build tools like Webpack, testing frameworks like Jest, and UI frameworks like Material UI. Explain why you prefer these tools, focusing on how they enhance productivity, improve code quality, or simplify the development process.

Mention specific sources you follow, such as blogs, online courses, or communities (like GitHub and Stack Overflow) that help you stay current. Explain how continuous learning informs your work and helps you improve as a Front-End Developer.

Detail your debugging strategies, including the use of browser developer tools, console logging, and breakpoints to trace issues. Discuss your methodology for isolating problems, and provide examples of particularly tricky bugs you’ve resolved efficiently.

Talk about a specific project where refactoring was necessary for adding new features. Highlight the challenges such as understanding the original architecture, handling legacy code, and ensuring that the functionality remained intact after the changes. Share how you approached the project, the results achieved, and any lessons learned.

Discuss your experience in working with diverse teams, focusing on communication strategies, how you align your goals with those of other disciplines, and the importance of regular updates and feedback. Share how you've facilitated smooth collaboration to achieve a common goal in past projects.