Senior iOS Engineer, Growth Mobile jobs in United States
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Square · 3 weeks ago

Senior iOS Engineer, Growth Mobile

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
money$218K/yr - $327K/yr
date7+ years exp

Square is a technology company that builds integrated, omnichannel solutions to help sellers grow and succeed in the evolving commerce landscape. The Senior iOS Engineer for the Growth Mobile team will architect and enhance iOS systems related to authentication, onboarding, payment activation, and monetization, while leading A/B testing initiatives and collaborating with cross-functional teams.

BitcoinFinTechMobile PaymentsProductivity ToolsRetail Technology
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H1B Sponsor Likelynote

Responsibilities

Architect and improve iOS systems for authentication, onboarding flows, payment activation, hardware ordering, referrals, and subscription management
Build server-driven experiences enabling rapid experimentation without traditional release constraints
Lead A/B testing initiatives to optimize activation funnels and drive quarterly conversion improvements
Partner with Android engineers, PMs, designers, and data scientists to deliver data-driven features with platform parity
Implement comprehensive monitoring and observability for critical flows with real-time dashboards
Systematically reduce technical debt while expanding server-driven coverage for same-day deployments
Mentor engineers and establish best practices collaboratively
Support on-call rotation and contribute to cross-platform frameworks like FormContainer

Qualification

IOS developmentSwiftObjective-CA/B testingMentoring engineersCollaboration skills

Required

7+ years of iOS development experience with deep expertise in Swift and Objective-C
Proven experience in architecting and leading complex iOS projects at scale
Strong collaboration skills, with experience working across teams and functions to deliver cohesive, user-focused solutions
Experience mentoring engineers and leading by influence

Benefits

Remote work
Medical insurance
Flexible time off
Retirement savings plans
Modern family planning

Company

Square

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Glassdoor3.9
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Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square.
dateFounded in 2009
location
San Francisco, California, USA
people-size1001-5000 employees
web-link
https://block.xyz

H1B Sponsorship

Square has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (257)
2024 (253)
2023 (260)
2022 (297)

Funding

Current Stage
Public Company
Total Funding
$4.8B
Key Investors
GICKleiner PerkinsSequoia Capital
2025-08-13Post Ipo Debt· $2.2B
2024-05-06Post Ipo Debt· $2B
2023-01-11Post Ipo Equity

Leadership Team

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Camille Vergara
Product Manager
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Conor Delahunty
Product Manager
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Company data provided by crunchbase