Senior Fullstack Engineer

As a Senior Fullstack Engineer at EarnIn, you'll lead the transformation of our web applications from MVP to scalable solutions, drive web performance optimizations, collaborate with cross-functional teams, mentor junior engineers, and maintain best practices in code quality and architecture.

To be a strong candidate for the Senior Fullstack Engineer role at EarnIn, you should have 4+ years of experience in developing React and TypeScript web applications, a solid understanding of backend technologies, and ideally a degree in computer science or equivalent experience.

Yes, EarnIn offers flexible working arrangements for the Senior Fullstack Engineer role, allowing you to work remotely from Mexico or in a hybrid capacity from our Mexico City office, depending on your preference.

In the Senior Fullstack Engineer role at EarnIn, you'll primarily work with React and TypeScript for frontend development, while backend technologies may include C#, Kotlin, Kafka, and SQL.

The work culture at EarnIn is collaborative and innovative. As a Senior Fullstack Engineer, you'll be empowered to take ownership of projects, mentor colleagues, and contribute to an inclusive environment that values diverse perspectives and experiences.

In answering this question, highlight specific projects where you utilized React and TypeScript. Discuss your role, the challenges you faced, and how you implemented solutions, demonstrating your understanding and hands-on experience with these technologies.

When discussing this, emphasize the importance of scalability, user feedback, and performance. Describe a step-by-step approach you would take, including gathering user requirements, refactoring code, and implementing performance optimizations.

Explain your systematic approach to debugging, including tools and methodologies you use. Discuss how you prioritize issues based on their impact and how you collaborate with team members to resolve them efficiently.

Share a project where you took a feature from concept to delivery. Explain your process, the technologies you used, and how you ensured the feature met user needs and quality standards.

Talk about specific techniques like code splitting, efficient state management, and using tools like Lighthouse for monitoring performance. Provide examples from past experiences where you successfully enhanced application speed.

Discuss your experience with code reviews, writing unit tests, and using continuous integration tools to maintain high code quality. Share examples of how these practices improved team performance and reduced bugs.

Highlight your belief in teamwork and cross-functional collaboration. Share experiences where collaborating with other teams led to innovative solutions or significantly improved project outcomes.

Express your commitment to mentoring and sharing knowledge. Discuss how you have provided guidance in past roles, the impact it had on junior engineers’ growth, and how it contributes to building a strong team dynamic.

Explain your methods for staying current, such as following tech blogs, participating in forums, or enrolling in courses. Share examples of how you have applied new technologies or practices to your work.

Provide your insights on technical skills combined with interpersonal skills. Emphasize the importance of adaptability, problem-solving, and effective communication as key qualities for success in this role.