Staff Software Engineer, iOS Developer Experience - Slack

Salesforce•San Francisco, CA

About The Position

We are looking for people who are passionate about building strong, sustainable developer tooling for the Slack iOS, which is used by millions of people every day. The iOS Developer Experience(DevXP) team enables feature engineers at Slack to tackle complicated problems quickly without needing to reinvent the wheel. We’re looking for engineers who specialize in iOS tooling and Bazel build systems! As an DevXP engineer, you like building developer workflow tools and work towards making iOS development best at Slack. You excel in leading others and derive joy from mentoring and growing other iOS engineers. You set a high bar for the technical design and code quality of your team. You demonstrate exceptional ownership of not only the area of your team, but across Slack’s entire iOS codebase. You have a “can do” demeanor and nothing is beneath you or outside your responsibilities because you do what it takes to deliver the highest quality code and the most impactful features. You are self-directed, innovative, and biased towards action in fast-paced environments. You love to build new things and thrive in ambiguity and even failure.

Requirements

10+ years of experience building and maintaining complex iOS tooling from CI to CD
Deep expertise with Swift, Bazel, Python and Xcode tools
Experience with AI tools like Claude Code, scripting (Python/bash etc)
Ability to monitor and improve KPIs such as CI stability, TimeToMerge, and build time metrics.
Deep familiarity with the Apple ecosystem, CI/CD pipelines, and automated testing tools