Senior Staff iOS Prototyping Engineer Lead

Salesforce; United States; Remote; USD 218,000 - 365,000; Full time

Benefits offered by this job

Time off programs

Medical

Dental

Vision

Mental health support

Paid parental leave

Life and disability insurance

401(k)

Employee stock purchase program

Job summary

Salesforce and Slack invite a Senior Staff Engineer to join Slack's mobile team. As a Prototyping Engineer, you’ll embed as a leader on greenfield initiatives, shaping the first working versions of new mobile features for millions of users worldwide.

You will collaborate with Product, Design, Backend, and other mobile engineers to create intuitive, high‑performance experiences that scale. This role emphasizes engineering leadership and impact.

Qualifications

• 10+ years of professional software engineering experience, including high‑craft iOS apps at scale.
• Proven ability to start new initiatives, prototype paths to production, and reorient teams.
• Experience in fast‑paced environments (startups/incubators/zero‑to‑one teams).
• Proven track record of leading large, org‑spanning technical initiatives with business impact.

Responsibilities

• Shape the future of Slack on mobile by leading engineering of experiences used by millions daily.
• Lead cross‑functional initiatives from exploration to production rollout and evolution.
• Lead feature prototyping to define the mobile user experience for Slack’s opportunities.
• Partner with Product and Design to balance user needs, constraints, and maintainability.
• Influence engineering decisions beyond your team through leadership and reviews.
• Set and evangelize best practices for mobile feature development and operational excellence.
• Mentor senior engineers and grow the mobile engineering community at Slack.

Skills

iOS development

Swift/SwiftUI

Technical leadership

Cross-functional collaboration

Performance optimization

Tools

Swift Concurrency

Combine

Code reviews

Job description

Salesforce and Slack invite a Senior Staff Engineer to join Slack's mobile team. As a Prototyping Engineer, you’ll embed as a leader on greenfield initiatives, shaping the first working versions of new mobile features for millions of users worldwide.

You will collaborate with Product, Design, Backend, and other mobile engineers to create intuitive, high‑performance experiences that scale. This role emphasizes engineering leadership and impact.