Senior iOS Engineer - Crypto, Cash App

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:

• 3+ 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.

Square, Inc. (NYSE: SQ) builds tools to empower businesses and individuals to participate in the economy. Sellers use Square to reach buyers online and in person, manage their business, and access financing. Individuals use Cash App to spend, send, store, and invest money. And TIDAL is a global music and entertainment platform that expands Square's purpose of economic empowerment to artists. Square, Inc. has offices in the United States, Canada, Japan, Australia, Ireland, Spain, Norway, and the UK.

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