Senior Frontend Engineer, Core UI

San Francisco, California

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About Sentry 

Bad software is everywhere, and we’re tired of it. Sentry is on a mission to help developers write better software faster, so we can get back to enjoying technology.

With more than $217 million in funding and 85,000 organizations that believe we’re on to something, we're building performance and error monitoring tools that help companies like Disney, Microsoft, and Atlassian spend less time fixing bugs and more time building products. If you like to selfishly build things that make your digital life better, come help us build the next generation of software monitoring tools.

The Core UI team at Sentry is responsible for making the essential user experience more consistent and enjoyable. Core UI works beyond the typical team and feature boundaries in order to evolve the technology and best practices of frontend engineering at Sentry. Recent projects include adding syntax highlighting to our search queries and creating scalable and performant versions of our project and team controls.

As a Senior Frontend Engineer on the Core UI team, you will shape the experience of how our users interact with Sentry. One week you may be adding micro-animations to a pages empty state, the next week you might be adding aria-labels on core components, and the following week you could easily be reworking how page titles to be more consistent. Once you join the Core UI team, you will be responsible for improving the frontend development experience and will be given the authority to make your ideas a reality.

About the Role

  • Partner with our design team to define and implement our design system strategy across the application.
  • Collaborate with your team to prioritize the next set of important initiatives to propose to our frontend technical steering committee.
  • Review code and mentor other engineers about frontend best practices.
  • Build tests for your code to maintain a high standard of quality for Sentry.
  • Promote knowledge sharing by documenting new features, writing blog posts about engineering at Sentry, and giving talks inside and outside of Sentry.

You'll love this job if:

  • You want to be the change you seek in the world, improve Sentry and use Sentry to make Sentry better. You are the target customer for the software you build, and you can influence what makes it into the product.
  • You are the type of person that gets annoyed with a drop shadow color being slightly off and will take the time to correct it.
  • You believe that sharing new techniques with your peers is just as rewarding as building it yourself.
  • You have a passion for Open Source and contributing back to the community.


  • Have 5+ years experience building web applications with Javascript/Typescript, HTML and CSS.
  • Have 2+ working with a frontend framework, we happen to use React.
  • Align with our core value, Pixels Matter, and are detail-oriented.
  • Write robust and performant code that adheres to the company standards.
  • Excellent written and oral communication skills and an ability to articulate technical concepts clearly and succinctly.


  • Competitive salary and meaningful equity
  • 100% medical, dental, and vision coverage for employees, 75% company-paid for dependents
  • Monthly commuter subsidy
  • 401k program
  • Learning & Development stipend
  • Charitable matching program
  • Generous parental leave policy
  • Flexible working schedule and vacation policy, work from home policy, and real work/life balance
  • Catered lunches
  • Company events (Hack Weeks, All Hands, quarterly social events) and friends and family events
  • Relocation assistance - you are living in, or willing to relocate to the San Francisco Bay Area

COVID Vaccine Required - Reasonable Accommodations for Medical or Religious Reasons Considered

Sentry values diversity and inclusivity in our company and is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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