Software Engineer, Frontend

Slack - New York, NY

Posted 2 days ago

In this role you'll use your deep understanding 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.
A taste of our scale and reach:

  • Users spend over 10 hours connected and 2+ hours active in Slack every work day.

  • 10M+ Daily Active Users in more than 150 countries.

  • 1.5 billion messages are sent per month, half of those outside the United States.

  • Every day we see over 3.5 million simultaneously connected users, over 3.5 billion web requests, over 42 billion database queries per day, and our systems see over 1 million queries/second in our caching tier.

  • We have 8.8M+ app installations with 155,000 weekly active developers building on the developer platform.

  • 90% of our paid teams on Slack actively use apps.


This is a full time senior engineering position based in San Francisco, California.
What you will be doing

  • You'll collaborate with backend and quality engineers to spec, write, test, and deploy code that integrates with real-time data streams and API endpoints

  • You'll brainstorm features with product managers and designers and guide decisions based on your knowledge of the codebase

  • You'll assist our skilled Customer Experience team in triaging bugs and solving issues in production in your primary area

  • You'll learn about and use new web technologies

  • You'll like the work you do, enjoy collaborating with your coworkers, and go home on time


What you should have

  • 3+ years of experience writing client-side JavaScript

  • Experience building responsive layouts with CSS and HTML

  • Experience with modern browser technologies

  • UX and design sensibilities

  • Strong communication and problem-solving skills

  • Self-­awareness, a positive attitude, a sense of humor, and empathy

  • You have completed a bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience


Bonus points

  • 1+ years experience with React and Redux, Lodash, and/or CSS preprocessors like LESS or SASS

  • Experience working on consumer facing products

  • 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/


Slack has a positive, diverse, and supportive culture—we look for people who are curious, inventive, and work to be a little better every single day. In our work together we aim to be smart, humble, hardworking and, above all, collaborative. If this sounds like a good fit for you, why not say hello?
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