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Senior Javascript DeveloperSan Francisco, California, United States


Senior Javascript Developer

San Francisco | California | United States

Who We Are

Tonal is building an intelligent fitness system that will change the way people work out at home. It isn't a wearable or mobile app. Tonal is a fresh approach to fitness that leverages hardware, software, video content, and artificial intelligence. Everyone who's seen our product, from professional athletes to fitness enthusiasts, has fallen in love.

Tonal is a well-funded and fast growing startup that has built a close-knit culture of high performers. Led by repeat entrepreneurs, we're a diverse team where everyone strives to be the best version of themselves, and we know that can't happen unless we're all having fun working on something that has meaning to us. If you're passionate about both a healthy lifestyle and technology, then check us out!


TONAL is looking for someone passionate about health and fitness to play a key role developing applications for consumers and internal users. You will work with product managers, designers, and a cross-functional group of engineers to design and develop our applications. If you have a high bar for user experience, and love to solve challenging problems with creative architectures, TONAL is the place for you. You'll join a highly collaborative, cross-functional team working as part of an agile development process to regularly release new software that works closely with our unique, and custom hardware products.

What You Will Do

- Work in an agile team on React/Redux to develop consumer applications and internal tools
- Implement, test, deploy Node.js services for complex workflows
- Create elegant, testable, and maintainable software using best practices
- Write unit tests, improve code quality, and deliver high-quality features
- Work with a small group of 3-5 developers, a product owner, and a graphic designer to regularly ship new features

Who You Are

- B.S. or M.S. Computer Science
- 4+ years experience working with HTML, and CSS, and Javascript
- At least one of the following:
- 3+ years working with React.js or equivalent libraries/frameworks (e.g. AngularJS)
- 2+ years working with Node.js
- 2+ years developing mobile applications with React Native
- 3+ years working with build tools like npm, Webpack, Grunt, Gulp etc.
- Experience working with RDBMs such as PostgreSQL or MySQL
- Awareness of Javascript development trends, and emerging technologies
- A strong sense of what it takes to build great user experience
- Excellent track record of delivering consumer-grade applications to end users

Extra Credit

- Interest in and a passion for health, fitness, and/or strength training
- Experience working with Redux state container
- Familiarity with integrating and streaming video

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