Senior Frontend Software Engineer | Billing & Platform UX

As a Senior Frontend Software Engineer at Wellhub, your key responsibilities include researching and executing strategic projects with your team, influencing B2B and B2C checkout conversions globally, implementing new payment mechanisms, building user interfaces that consolidate billing information, and collaborating with cross-functional teams to deliver optimal solutions. You will also work on improving the overall customer experience by maintaining existing systems, ensuring code quality, and participating in scalability and architecture discussions.

To qualify for the Senior Frontend Software Engineer role at Wellhub, candidates should possess a Bachelor's degree in Computer Science or equivalent experience. Extensive front-end development experience using ReactJS, Typescript, and Javascript is mandatory. Familiarity with RESTful APIs, automated testing, and accessibility principles is also required. Strong communication skills in both English and Portuguese will be essential to thrive in our collaborative environment.

Wellhub is deeply committed to the health and wellbeing of its employees, offering a plethora of wellness benefits. Employees can enjoy health, dental, and life insurance, access to gym facilities, online wellness resources, and generous paid time off policies. The company encourages flexibility in work arrangements to facilitate a healthy work-life balance, allowing staff to adjust their working hours and customize their benefits according to their individual needs.

The culture at Wellhub is vibrant and inclusive, fostering a supportive environment where collaboration is key. As a Senior Frontend Software Engineer, you will work alongside ambitious professionals from diverse backgrounds, contributing to a collective effort to disrupt the health and wellness industry. The company encourages personal and career growth, and values trust, flexibility, and integrity as essential components of its team dynamics.

At Wellhub, there are outstanding opportunities for personal and career growth for Senior Frontend Software Engineers. The company promotes a growth mindset, ensuring that employees receive ongoing professional development and access to resources that enhance their skills. You will have the chance to take on challenging projects, collaborate with talented colleagues globally, and be part of a high-growth environment that welcomes innovation.

When answering this question, focus on specific projects where you've implemented ReactJS. Describe the challenges you faced, how you integrated React with other technologies, and the impact it had on the user experience. Highlight your understanding of the React ecosystem, including components, hooks, and state management.

Discuss your approach to code quality, mentioning practices like test-driven development, code reviews, and unit testing. Provide examples of your experience with automated testing tools and how they have improved the reliability of the applications you've developed.

Explain your techniques for optimizing performance, such as lazy loading, code splitting, and minimizing DOM manipulation. Share insights on tools you've used to identify performance bottlenecks and how you've refactored applications to improve load times and responsiveness.

Illustrate your experience working with RESTful APIs by explaining how you define payloads and handle HTTP methods. Provide examples of how you have effectively collaborated with backend teams to ensure seamless data exchange and integration in your applications.

Discuss the importance of accessibility in web development. Share your methods for ensuring that applications are usable by everyone, including utilizing ARIA roles, keyboard navigation, and implementing color contrast ratios. Provide examples of accessibility audits you've performed or tools you've used.

Choose a specific UI challenge that demonstrates your problem-solving skills. Outline the problem, your approach to finding a solution, and the outcome. Highlight any collaboration with team members to address the challenge effectively.

Provide an overview of your debugging process, including tools and techniques you use, such as browser dev tools and error logging. Share a specific instance where your troubleshooting skills led to a successful resolution of a critical issue.

Discuss the monitoring tools you are familiar with, such as Google Analytics, Lighthouse, and Sentry. Share how you use these tools to gather insights, analyze performance metrics, and make data-driven decisions for enhancements.

Emphasize your collaborative spirit by sharing examples of projects where you worked closely with cross-functional teams. Highlight your communication strategies and how you navigate differing opinions or feedback to foster a productive environment.

Articulate your interest in Wellhub by discussing its mission to promote employee wellbeing, your alignment with the company values, and how your technical skills can contribute to its goals. Share excitement about being part of an innovative team that prioritizes work-life balance and professional growth.