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Senior iOS Software Engineer, Trust

Job in Kitchener, Ontario, Canada
Listing for: Square
Full Time position
Listed on 2025-12-26
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Backend Developer
Salary/Wage Range or Industry Benchmark: 163600 CAD Yearly CAD 163600.00 YEAR
Job Description & How to Apply Below

Company Description

It all started with an idea at Block in 2013. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 47 million monthly active customers.

We want to redefine the world’s relationship with money to make it more relatable, instantly available, and universally accessible.

Today, Cash App has thousands of employees working globally across office and remote locations, with a culture geared toward innovation, collaboration and impact. We’ve been a distributed team since day one, and many of our roles can be done remotely from the countries where Cash App operates. No matter the location, we tailor our experience to ensure our employees are creative, productive, and happy.

Check out our locations, benefits, and more at

Job Description

The Team
The Cash App Trust organization exists to build trust and expand access in Cash App’s Ecosystem. We are only successful as a business if our customers feel secure and trust us with their money, and so we take it as a duty to be worthy of that trust. In line with Cash App and Block’s mission of Economic Empowerment, we want to expand access to the banking system so that people who are normally locked out have access to powerful wealth building tools.

The healthy tension between these two goals is where we live and thrive.

The Job
As part of the Mobile engineering team for Cash Trust Client, you'll provide Cash App customers reliable, easy, and secure access to their accounts. You'll build, own, and improve the experiences and platforms primarily around Access, and will flex into other areas of Trust as needed. Access owns login, signup, account recovery, account security and accounts overall. More broadly, Trust owns identity verification, limits, eligibility safeguards, transfers and scam protection among other areas.

These experiences and platforms are pivotal to Cash App customers as we strive towards economic empowerment.

You Will

  • Build end-to-end features of the app: networking, persistence, business logic, and UI
  • Craft durable, well-tested code with an unwavering commitment to product quality
  • Re-architect legacy code and prep it to scale for the future of the product and the team
  • Partner with Android and backend developers as well as design, product and data science on delivering remarkable solutions
  • Have a meaningful impact on the future of the Cash product
  • Qualifications

    You have:

  • Experience leading projects (ex. build or improve customer experiences, product resiliency, or backend integrations)
  • Experience creating readable, well-crafted, and maintainable code
  • Experience voicing customer feedback into product solutions (engineering makes substantive contributions to product definition)
  • A commitment to growing together (yourself, your teammates, your software)
  • Technologies we use and teach:

  • Swift, Objective-C
  • UIKit, Core Animation, SQLite, Accessibility
  • Unit tests, snapshot tests, integration tests
  • Protocol buffers
  • Additional Information

    Block takes a market-based approach to pay, and pay may vary depending on your location. 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.

    Zone A: USD $163,600 - USD $245,400
    Zone B: USD $155,400 - USD $233,200
    Zone C: USD $147,300 - USD $220,900
    Zone D: USD $139,000 - USD $208,600

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

    Full-time employee benefits include the following:

  • Healthcare coverage (Medical, Vision and Dental insurance)
  • Health Savings Account and Flexible Spending Account
  • Retirement Plans including company match
  • Employee Stock Purchase Program
  • Wellness programs, including access to mental health, 1:1 financial planners, and a…
  • Position Requirements
    10+ Years work experience
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