iOS Engineer

Located in San Francisco, United States

November 27th, 2017

The Role

Use your extensive knowledge of Objective-C and Swift to improve the Slack iOS app, a complex completely native application relied upon by hundreds of thousands of users every day. You will work with real-time data streams, engineer for performance across devices and delight people by making the best software we can imagine. You will collaborate closely with Product, Design and QA to spec, build, test and deploy new features. This position reports directly to the head of iOS Engineering.

A Typical Week

  • You'll brainstorm with Product Managers and Designers to conceptualize new features
  • You'll collaborate with backend engineers to build new features for our large-and-growing user base
  • You'll learn about new iOS technologies and discuss potential solutions to problems
  • You'll help our skilled support team triage bugs and troubleshoot production issues
  • You'll mentor other engineers and deeply review code


  • Bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience
  • Experience with Objective-C and Swift
  • Experience with modern iOS technologies
  • Experience building and debugging complex systems in a team environment
  • Expertise in building complex layouts with UIKit
  • Strong UI and design skills
  • Strong communication skills, a positive attitude and empathy
  • Self ­awareness and a desire to improve your skills

Bonus Points

  •  Experience with CocoaPods and other major open source iOS projects
  •  Experience investigating and improving performance
  •  Experience with threading, Core Data, and networking
  •  Experience in small start­up environments
  •  Experience working with a team, especially a distributed team
  •  Professional experience designing applications

About Slack

At Slack, we’re building the platform that connects teams with the apps, services, and resources they need to get work done. Launched in 2014, Slack is the fastest growing business application in history.

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