Senior Frontend Engineer

As a Senior Frontend Engineer at Density, you'll be responsible for developing and maintaining scalable web applications using React, focusing on performance and responsiveness. You'll work collaboratively with cross-functional teams, build reusable components, and integrate backend services to provide seamless user experiences while ensuring the application performs across various devices.

To qualify for the Senior Frontend Engineer position at Density, candidates should have at least 9 years of professional experience in front-end development with a strong focus on React. A proven track record of building responsive applications, knowledge of mobile development using React Native, and a solid understanding of front-end architectures and design patterns are essential.

Density values best practices in front-end development. As a Senior Frontend Engineer, you will be expected to implement test-driven development (TDD), create and execute comprehensive tests, manage CI/CD pipelines, and promote modularity in code to ensure a robust, maintainable codebase.

Density fosters a culture of learning and innovation. Senior Frontend Engineers will have the opportunity to collaborate with an experienced team and engage in continuous learning, including exploring AI tools to enhance frontend development, as well as receiving support for professional growth through mentoring and resources.

The work environment at Density is hybrid, combining in-office collaboration in San Francisco with flexibility. You'll be part of a diverse team of talented individuals who are passionate about their work, cultivating an inclusive culture that encourages creativity and teamwork, making it a dynamic place to grow your career.

Share specific projects where you utilized React. Discuss the components you built, any nuances you addressed regarding performance, and how you managed state and props effectively.

Explain your approaches, such as leveraging CSS frameworks, polyfills, and testing tools. Also, highlight your strategy for addressing any issues that arise during testing.

Discuss techniques like lazy loading, code splitting, and optimizing images. You might also mention using performance profiling tools to monitor and fine-tune applications.

Talk about your past experiences with React Native, emphasizing how you managed the differences between web and mobile interfaces, and any specific libraries or tools you used to enhance mobile performance.

Provide a real example, detailing the steps you took to identify the bug, the resolution process, and what you learned from the experience to improve future problem-solving.

Mention resources such as industry blogs, online courses, and community events. Highlight your active participation in relevant communities and any personal projects you work on to practice new techniques.

Describe your methodology for API integration, including how you handle authentication, error management, and data mapping to ensure a seamless user experience.

Explain your approach to prioritization, including methods like Agile or Kanban, and how you communicate with team members to ensure the project stays on track.

Discuss how CI/CD pipelines enhance reliability and speed in deployments. Provide examples of tools you’ve used and how they’ve benefited your past projects.

Talk about the importance of code reviews, writing documentation, and conducting workshops. Highlight how fostering a culture of sharing knowledge leads to better overall code quality.