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Sr. Software Engineer, Frontend

In this role as a Sr. Software Engineer, Frontend you’ll use your extensive knowledge of JavaScript, HTML, and CSS to improve the Slack web client, a complex web-based application used and loved daily by millions of people around the world. You’ll engineer for usability, maintainability, and performance while delighting users by making their working lives simpler, more pleasant, and more productive.

As a Frontend Engineer on the Activation Team, you will work with a cross-disciplinary team, building out features that directly impact our users. The Activation Team is part of the Expansion organization, a critical part of Slack’s self serve business. Our features bring new users to Slack and then help them on their journey to become successful and active users of Slack.

What you will be doing

  • Collaborate with backend and quality engineers to spec, write, test, and deploy code that integrates with real-time data streams and API endpoints
  • Brainstorm features with product managers and designers and guide decisions based on your knowledge of the codebase
  • Assist our skilled Customer Experience team in triaging bugs and solving issues in production
  • Learn about, use, and teach new web technologies
  • Review code and have your code reviewed
  • Mentor and be mentored by other engineers
  • Work multi-functionally with other teams to set and achieve company-wide engineering goals
  • Like the work you do, enjoy collaborating with your coworkers, and go home on time

What you should have

  • 5+ years of practical experience writing client-side JavaScript
  • 1+ years experience with React and Redux, Lodash, and/or CSS preprocessors like LESS or SASS
  • Expertise building responsive layouts with CSS and HTML
  • Experience building and debugging complex systems in both individual and team environments
  • Experience with modern browser technologies
  • Strong UX and design sensibilities and an interest in sweating the small stuff
  • Strong communication and problem-solving skills
  • Self-­awareness, a positive attitude, a sense of humor, and empathy

Bonus points if you have experience with

  • Experience working on consumer facing products
  • WebSockets, Local Storage, or ES6
  • Optimizing the JavaScript performance of large-scale, high-volume systems
  • Accessibility, internationalization, or localization
  • The Git workflow, including pull requests, code reviews, and CI/CD systems
  • Any of the technologies we write about on our blog at https://slack.engineering/

Minimum annual salary of $121,800. This base pay is for illustrative purposes only. This position is eligible for additional compensation and benefits including: incentive compensation; health benefits; flexible spending account; retirement benefits; life insurance; commuter benefits; paid time off (including PTO, emergency time off, paid sick leave, medical leave, volunteer time off, civic duty leave, bereavement leave, floating holidays and paid holidays); parental leave and benefits; mobile phone and internet allowance; perks stipend; and other employee perks and benefits.The actual offer, reflecting the total compensation package and benefits, will be at the company’s sole discretion, and determined by a myriad of factors including, but not limited to, years of experience, depth of experience, and other relevant business considerations. The company also reserves the right to amend or modify employee perks and benefits at any time.

Slack is registered as an employer in many, but not all, states. If you are not located in or able to work from a state where Slack is registered, you will not be eligible for employment.Visa sponsorship may not be available in certain remote locations.

Visa sponsorship is not available for candidates living outside the country of this position.


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