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Senior iOS Engineer, Growth Mobile
Senior iOS Engineer, Growth MobileBlock • San Francisco, California, USA
Senior iOS Engineer, Growth Mobile

Senior iOS Engineer, Growth Mobile

Block • San Francisco, California, USA
[job_card.variable_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

Since we opened our doors in 2009 the world of commerce has evolved immensely and so has Square. After enabling anyone to take payments and never miss a sale we saw sellers stymied by disparate outmoded products and tools that wouldnt work together.

So we expanded into software and started building integrated omnichannel solutions to help sellers sell online manage inventory offer buy now pay later functionality book appointments engage loyal buyers and hire and pay staff. Across it all weve embedded financial services tools at the point of sale so merchants can access a business loan and manage their cash flow in one place. Afterpay furthers our goal to provide omnichannel tools that unlock meaningful value and growth enabling sellers to capture the next generation shopper increase order sizes and compete at a larger scale.

Today we are a partner to sellers of all sizes large enterprise-scale businesses with complex operations sellers just starting as well as merchants who began selling with Square and have grown larger over time. As our sellers grow so do our solutions. There is a massive opportunity in front of us. Were building a significant meaningful and lasting business and we are helping sellers worldwide do the same.

The Role

The Growth Mobile team is the only mobile-focused team within Squares Growth organization on a mission to create seamless data-driven mobile experiences that empower sellers to grow and succeed. We operate under SOAR principles : Sustainability (leave code better than you found it) Observability (build with insight by default) Agility (rapid experimentation) and Reliability (build with confidence).

Our team owns three critical domains : Growth (driving acquisition activation and adoption) Identity (secure authentication and payment activation) and Monetization (subscriptions and upsells).

We own critical features and seller flows across Squares mobile ecosystem including :

  • Authentication & Identity : Login account creation secure authentication flows
  • Seller Onboarding : Modes recommendation flow setup guide getting started experiences
  • Payment Activation : Payment onboarding Know Your Customer verification bank account setup
  • Hardware : Hardware ordering and fulfillment flows
  • Referrals : Growth and viral mechanics
  • Monetization : Subscription gating subscription management upsells pricing flows

This is a high-impact role where youll own mission-critical systems that every Square seller interacts with.

You Will

  • 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
  • You Have

  • 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.
  • Were working to build a more inclusive economy where our customers have equal access to opportunity and we strive to live by these same values in building our workplace. Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and fair chance ordinances. We believe in being fair and are committed to an inclusive interview experience including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter who will treat these requests as confidentially as possible. Want to learn more about what were doing to build a workplace that is fair and square Check out our ID page.

    While there is no specific deadline to apply for this role U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.

    Required Experience :

    Senior IC

    Key Skills

    cpr,Patient Care,Customer Service,DOT,Hand Tools,HVAC,Android,Communication,OSHA,Preventive Maintenance,Troubleshoot,Company Standards,Setup,Service Calls,Technical Support

    Employment Type : Full Time

    Experience : years

    Vacancy : 1

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