Staff iOS Engineer - Crypto, Cash App

  • San Francisco, CA, USA
  • Full-time

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 app, bringing a better way to send, spend, invest, borrow and save to our millions of monthly active users. With a mission to redefine the world's relationship with money by making it more relatable, instantly available and universally accessible, at Cash App you'll have the opportunity to make a real-world impact with your career.

Today, Cash App has thousands of employees around the world with a culture geared toward creativity, collaboration and impact. We’ve been a distributed team since day one, and continue to value working across time zones and continents both remotely and in our Cash App offices.

Our offices are great, but many of our roles can be done remotely from the countries where Block operates. We tailor our experience to champion our employees’ creativity and productivity wherever they are. 

Check out our locations, benefits and more at cash.app/careers.

Job Description

The Cash App Crypto team is responsible for building, maintaining, and growing Cash App’s blockchain-based financial services, with the mission of empowering individuals across the world through access to Bitcoin and other digital assets. We prioritize building meaningful financial services over speculation and put Bitcoin at the heart of our crypto innovation strategy.

As an iOS engineer on Cash’s Crypto Mobile team, you will focus on improving and expanding our services around Bitcoin and other digital assets for the US and international markets. Examples of such services include Bitcoin Lightning Network, Bitcoin P2P for Cash App customers, Bitcoin on-chain deposits and withdrawals, and Bitcoin trading around the world. 

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

  • Closely measure impact of your engineering work on our products performance

  • Partner with other mobile and backend engineers on delivering remarkable solutions

  • Collaborate with product and design stakeholders on delivering the best customer experience

Qualifications

You have:

  • 10+ years of professional experience building in iOS consumer facing features

  • A passion for Bitcoin and other blockchain technologies, including its intersection with consumer finance 

  • Expertise in Swift and/or Objective-C

  • Dedicated focus on high-quality mobile UI experiences and feature developments

  • Proficiency creating readable, well-crafted, and maintainable code

Even Better:

  • Experience working on mobile apps that have scaled to thousands (if not millions) of users

  • Previous contributions creating major efficiencies and cultural impact across teams

  • An understanding of how to measure impact of your work, including how it translates to the business

Technologies we use and teach:

  • Swift, Objective-C, Kotlin (believe it! — we collaborate directly with our friends on Android)

  • UIKit, CoreAnimation, SQLite, Accessibility

  • Unit tests, snapshot tests, integration tests

  • Protocol buffers

Additional Information

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. Square is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

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.

Additionally, we consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

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 a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class. 

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

Additionally, we consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD54566975, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD54566975 is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

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