Staff Software Engineer, iOS Developer Experience - Slack

Slack•San Francisco, CA

About The Position

About Salesforce Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn’t a buzzword — it’s a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all. Ready to level-up your career at the company leading workforce transformation in the agentic era? You’re in the right place! Agentforce is the future of AI, and you are the future of Salesforce. 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. Slack is a messaging app for business which lets you organize conversations into channels so everyone moves faster and stays in sync. It’s a platform that connects everyone in your business—employees, customers, and partners— securely with each other and integrates easily with apps you use every day to get work done. And everything happens, using any device, within a digital workspace that’s super easy to use. Ensuring a diverse and inclusive workplace where we learn from each other is core to Slack’s values. We welcome people of different backgrounds, experiences, abilities and perspectives. We are an equal opportunity employer and a pleasant and supportive place to work. Come do the best work of your life here at Slack.

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