Software Engineer II (Frontend, Growth)

Whoop, Inc; Boston (MA); On-site; USD 150,000 - 200,000; Full time

Job summary

An innovative company is seeking a Software Engineer II to enhance user-facing features on their web applications. This role is perfect for someone passionate about front-end development, with strong skills in JavaScript frameworks like React and a commitment to creating beautiful, functional interfaces. You'll collaborate with cross-functional teams to deliver high-performance experiences that empower users. Join a forward-thinking team dedicated to unlocking human performance and making a meaningful impact through technology. If you're eager to contribute to an inclusive and dynamic work environment, this opportunity is for you.

Qualifications

• Experience in front-end software development with a focus on modern frameworks.
• Strong knowledge of HTML, CSS, and JavaScript with responsive design principles.

Responsibilities

• Collaborate with teams to design and maintain scalable front-end features.
• Write clean, efficient code using modern JavaScript frameworks like React.

Skills

Front-end Software Development

JavaScript (ES6+)

HTML

CSS

React

Next.js

RESTful APIs

GraphQL

Agile/Scrum

Problem-solving

Tools

Jira

Git

Testing Frameworks (e.g., Jest, Cypress)

Job description

At WHOOP, we're on a mission to unlock human performance. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives.

WHOOP is seeking a Software Engineer II to play a pivotal role in building and enhancing user-facing features on WHOOP.com and other web properties. You’ll work closely with product, design, and backend engineering teams to deliver seamless, high-performance experiences that empower our members to achieve their goals. This role is ideal for a candidate with strong front-end web development experience, who is passionate about creating beautiful, functional, and accessible interfaces, with a keen eye for detail and a strong commitment to delivering value.

RESPONSIBILITIES:

• Collaborate with cross-functional teams to design, build, and maintain scalable front-end features for WHOOP’s web applications.
• Write clean, efficient, and reusable code using modern JavaScript frameworks and libraries like React, Next.js, or similar.
• Optimize applications for maximum speed, responsiveness, and accessibility.
• Participate in code reviews, providing constructive feedback to peers while adhering to best practices and team standards.
• Work with product and design teams to translate wireframes and user stories into high-quality, interactive experiences.
• Stay up-to-date with emerging trends and technologies to inform development decisions and improve processes.

QUALIFICATIONS:

• Experience in front-end software development.
• Proficiency in modern front-end frameworks and libraries (e.g., React, Next.js, or similar).
• Strong knowledge of HTML, CSS, JavaScript (ES6+), and responsive design principles.
• Experience working with RESTful APIs or GraphQL to connect front-end interfaces with backend services.
• Familiarity with performance optimization techniques, accessibility standards (WCAG), and cross-browser compatibility.
• Comfortable working in an Agile/Scrum environment, using tools like Jira and Git.
• Strong problem-solving skills and ability to work collaboratively in a team setting.
• Bonus: Experience with TypeScript, testing frameworks (e.g., Jest, Cypress), or native mobile app development.

Find out more about us: WHOOP Software Principles

This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.

WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility.