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Software Engineer II, Frontend DevXP


1 year ago

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Job Details

Slack enables people around the world to communicate and collaborate together, from the world’s largest public companies to the smallest of startups. We take performance and reliability very seriously. A taste of our scale:
During the week, our users spend over a billion minutes a day active in our product.
At peak usage, a million messages a minute passed through Slack.
Every day we see over 15 million simultaneously connected users
For millions of people, Slack is their primary communication tool for work and more and they expect it to be exceptionally reliable and fast year-round.

About the Team

As a Frontend Engineer you’ll use your extensive knowledge of Node.js/JavaScript to improve the Slack web client, a complex in-browser application relied upon by millions of users every day. The Frontend DevXP team works on tooling that is used by engineers to build, package, test and ship Slack’s frontend code.
The DevXP team aims to make it easy for developers to write, build, test and submit code on various platforms like mobile, desktop and various OS. We are constantly perfecting and improving our stance in order to make Slack more performant and available to each and every one of our millions of daily active users. We take on unique scaling problems for a global customer base and write software to provide maximum visibility into our infrastructure. We get excited about making Slack scaling, highly available and resilient whilst ensuring we use the right technology stack.
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, read on ahead!

The Role

Use your deep knowledge of frontend tooling to improve the lives of engineers at Slack, an application relied upon by hundreds of millions of users every day. You’ll work with some of the latest technology in the space to help our engineers get their work done, collaborating closely with our Product and Frontend Infrastructure teams on wide-reaching architectural changes to a large, mostly modern codebase. The nature of our work is suited to anyone with generalist leanings: you’ll use a variety of tools and programming language including: Frontend and more.

What you will be doing

  • You’ll brainstorm novel solutions to big, challenging problems to make engineer’s lives simpler and more productive

  • You’ll collaborate with your team and others to bring these solutions to life

  • You’ll trace, measure and improve the performance characteristics of our internal systems

  • You’ll learn about new frontend tooling and discuss potential solutions to problems

  • You’ll mentor other engineers and deeply review code

  • You’ll develop your own vocabulary of custom emoji


  • 3+ years experience with Node.js

  • 3 + years experience with JavaScript or TypeScript

  • 2+ years experience with modern frontend toolchains

  • 1+ year experience building and debugging complex systems in a team environment

  • 1+ year experience with package managers like Yarn or npm

  • Bachelor's degree in Computer Science, Engineering or a related field, or equivalent training, fellowship, or work experience

  • Strong UX sensibilities, and a desire to sweat the small stuff

  • Strong communication skills, a positive attitude, and empathy

  • Self-awareness and a desire to continually improve

Bonus Points

  • Experience with orchestration tools like Terraform, Docker, or Kubernetes

  • Experience with Jenkins or other CI/CD tools

  • Experience investigating and improving JavaScript performance

  • Experience with PHP or Hack

  • Experience (or interest) in the Rust programming language

  • Experience with Frontend build tools


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Slack1001-5000 employees
Slack is a new way to communicate with your team. It’s faster, better organized, and more secure than email.

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