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Senior iOS Engineer, Growth Mobile
Senior iOS Engineer, Growth MobileBlock • San Francisco, CA, United States
Senior iOS Engineer, Growth Mobile

Senior iOS Engineer, Growth Mobile

Block • San Francisco, CA, United States
[job_card.variable_days_ago]
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  • [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 wouldn't 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, we've 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. We're 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 Square's 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 Square's mobile ecosystem, including :

  • 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

This is a high-impact role where you'll 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.
  • We're 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 we're doing to build a workplace that is fair and square? Check out our I+D 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.

    Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

    To find a location’s zone designation, please refer to thisresource . If a location of interest is not listed, please speak with a recruiter for additional information.

    Zone A :

    $217,800 — $326,800 USD

    Zone B :

    $207,000 — $310,400 USD

    Zone C :

    $196,100 — $294,100 USD

    Zone D :

    $185,200 — $277,800 USD

    Use of AI in Our Hiring Process

    We may use automated AI tools to evaluate job applications for efficiency and consistency. These tools comply with local regulations, including bias audits, and we handle all personal data in accordance with state and local privacy laws.

    Every benefit we offer is designed with one goal : empowering you to do the best work of your career while building the life you want. Remote work, medical insurance, flexible time off, retirement savings plans, and modern family planning are just some of our offering.

    Check out our other benefits at Block.

    Block, Inc. (NYSE : XYZ) builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we’re helping build a financial system that is open to everyone.

    #J-18808-Ljbffr

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