gusto

Senior Staff Software Engineer, iOS Platform

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At a Glance

Location
Denver, CO;San Francisco, CA;New York, NY;Seattle, WA
Experience
10+ years
Posted
2026-07-28T12:59:44-04:00

Key Requirements

Required Skills

CI/CDSwift

Domain Knowledge

  • Engineering
  • Medical

Benefits & Perks

Health Insurance

rd stuff — payroll, health insurance, 401(k)s, and HR — so owners can focus

Requirements

A minimum of 10 years of experience in Swift and iOS software engineering, with at least 12 years in mobile software engineering overall.

Proficiency in iOS testing frameworks and a solid understanding of best practices.

Experience in developing platform components and common features that enhance scalability, consistency, performance, and maintainability throughout the product development lifecycle.

Experience delivering high-quality code across a diverse tech stack.

Experience with analytics and monitoring tools to track app performance / health and user engagement.

Experience with mobile infrastructure, for example: CI/CD, automated testing environments, and release orchestration.

Responsibilities

Architect, build, test, and refine Gusto’s iOS app

, along with supporting embedded mobile web views that enhance user experience.

Utilize AI agents as a multiplier

to deliver high-quality output quickly.

Identify and advocate for best-practices

Enhance and maintain our iOS mobile infrastructure, including