Senior Front-end Developer (React)

As a Senior Front-end Developer (React) at Keystone, you will mainly focus on creating frontend components and features while collaborating with backend developers. Your role will also include participating in architectural decisions, business flow designing, and code design. You'll be involved in multiple projects at once, bug fixing, and ensuring high performance, scalability, and security of application frontends.

Keystone requires candidates for the Senior Front-end Developer (React) position to have over 5 years of experience with Javascript, strong knowledge of React, and good familiarity with Typescript. Additionally, experience with React Hooks, state management libraries like Redux or MobX, and working within testing frameworks such as Jest and React Testing Library is essential.

At Keystone, Senior Front-end Developers work within a lively, collaborative team environment that includes backend developers, QA engineers, technical delivery managers, and business systems analysts. This dynamic office culture fosters teamwork and innovation, allowing for both personal growth and the ability to contribute to exciting projects that drive the future of fintech.

Yes, Keystone offers flexible work arrangements for the Senior Front-end Developer (React) position. While we have a physical office, opportunities for remote work are available, providing a balance between collaborative in-office experiences and the flexibility of working from your own space.

Keystone is committed to the professional development of its team members, especially for the Senior Front-end Developer (React) role. You will enjoy career advancement, personal growth, and self-fulfillment through ongoing training, mentorship programs, and the chance to work on diverse, cutting-edge projects. Our culture encourages innovation and continuous learning.

In preparing for your interview for the Senior Front-end Developer role, reflect on your experience with React, focusing on specific projects. Include details such as how you utilized React Hooks, state management solutions like Redux, and how these tools helped improve performance and user experience.

When answering this question, discuss your strategies for optimizing performance, such as code splitting, lazy loading, and efficient state management. Highlight your experience in monitoring performance metrics and using tools to improve frontend scalability.

Share your experience with testing frameworks such as Jest and how you utilize the React Testing Library. Explain how these methodologies contribute to ensuring code quality and reliability in your role as a Senior Front-end Developer.

Choose a specific example from your past work where you encountered a significant challenge. Detail the problem, the approach you took, and the outcome, emphasizing your analytical and problem-solving skills that are essential for the Senior Front-end Developer position.

Your response should highlight your communication skills and strategies for effective collaboration. Discuss how you engage with backend developers in projects, aligning on architecture and feature requirements to ensure smooth integration.

Illustrate your commitment to continuous learning by mentioning resources you follow, online courses, or community contributions. Show your passion for ecosystem trends and how they inform your work and decision-making in the Senior Front-end Developer role.

Use a concrete example where your input led to a noticeable enhancement in user interface or experience. Detail the methods you employed for user feedback, design thinking, and how you implemented changes successfully.

Reflect on your understanding of accessibility standards and practices. Highlight specific techniques you've employed to ensure that your React applications are user-friendly for individuals with disabilities, showing your commitment to inclusive design.

Discuss your time management strategies, such as the use of project management tools, setting deadlines, and maintaining open communication with your team. Explain how you ensure quality output even under tight timelines.

Reflect on what excites you about Keystone, such as the opportunity to work on cutting-edge fintech solutions or the company culture. Emphasize how your goals align with the company's vision and how you can contribute positively.