Sentry is hiring a

Senior Software Engineer, Applications

Toronto, Canada

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 90,000 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.

About the role

We're looking for an experienced Senior Software Engineer to join our dynamic Codecov Applications team at Sentry. In this role, you'll play a crucial part in elevating our Codecov product suite, working on diverse tools like the Codecov dashboard, Slack app, VSCode extension, and API layer for code coverage. As a member of our distributed team, you'll drive innovation and excellence, ensuring our offerings exceed user expectations.

We're going beyond code coverage, exploring new areas like analyzing JavaScript bundles, reporting on failed and flaky tests, and potentially introducing AI in PR reviews. We're looking for team members who embrace change, adapt to challenges, and help shape Codecov at Sentry.

In this role you will

  • Guide development initiatives for the Codecov dashboard, Slack app, and VSCode extension, focusing on advanced UI/UX and robust backend functionality.
  • Utilize your expertise in technologies such as React, TypeScript, GraphQL, Python, and Django to spearhead product enhancements and new features.
  • Play a pivotal role in both the evolution of the user interface, prioritizing intuitiveness and accessibility, and the advancement of the API layer that underpins our tools.
  • Mentor junior team members, fostering a culture of technical excellence and collaborative problem-solving.
  • Facilitate design discussions, guide code reviews, and drive the resolution of complex problems with innovative, user-centric solutions.
  • Champion effective collaboration within our distributed team, emphasizing clear communication, open-mindedness, and constructive feedback.

You’ll love this job if you

  • Have a passion for guiding both front-end and back-end development projects.
  • Are driven by impacting a wide community of developers through your work on high-visibility tools.
  • Embrace a collaborative ethos and excel in a distributed team setting.
  • Relish the tasks of navigating complex problems with creative, sustainable solutions.
  • Stay abreast of emerging technology trends and apply them to real-world applications.


  • At least 5 years of full-stack development experience, with a proven track record in both UI and backend excellence.
  • Deep proficiency in React, TypeScript, GraphQL, Python, and Django (or equivalent technologies).
  • Experience mentoring and directing teams in a fast-paced development environment.
  • Exceptional communication skills, with a history of thriving in distributed team settings.

Recruiter fill out pay transparency below:

The base salary range (or hourly wage range, if applicable) that Sentry reasonably expects to pay for this position is $171,000 CAD to $210,000 CAD. A successful candidate’s actual base salary (or hourly wage) amount will be determined by a variety of relevant factors including, without limitation, the candidate’s work location, education, work and other relevant experience, skills, and job-related knowledge. A successful candidate will be eligible to participate in Sentry’s employee benefit plans/programs applicable to the candidate’s position (including incentive compensation, equity grants, paid time off, and group health insurance coverage). See Sentry Benefits for more details about the Company’s benefit plans/programs.

Equal Opportunity at Sentry

Sentry is committed to providing equal employment opportunities to its employees and candidates for employment regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, or other legally-protected characteristic. This commitment includes the provision of reasonable accommodations to employees and candidates for employment with physical or mental disabilities who require such accommodations in order to (a) perform the essential functions of their jobs, or (b) seek employment with Sentry. We strive to build a diverse team, with an inclusive culture where every teammate can thrive. Sentry is an open-source company because we believe that everyone, everywhere, should have the ability and tools to make great software. Software should be accessible. That starts with making our industry accessible.

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