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Staff iOS Engineer in Chicago, Illinois, United States of America at PayPal

Date Posted: 5/12/2022

Job Snapshot

Job Description

At PayPal (NASDAQ: PYPL), we believe that every person has the right to participate fully in the global economy. Our mission is to democratize financial services to ensure that everyone, regardless of background or economic standing, has access to affordable, convenient, and secure products and services to take control of their financial lives.

The PayPal Business App engineering team is focused on building quality mobile products for our customers who rely on PayPal for running their business. Our mission is to help them understand, manage, and grow their business through features such as invoicing, dispute resolution, shipping management, sales insights, and financial loans – all from their mobile devices while on the go. We are seeking passionate engineers to create new native mobile experiences for millions of active merchant users globally. PayPal offers many tools for merchants of all different sizes on the web, but currently many merchants are underserved by our mobile app offerings. The merchant apps team's goal is to change that with new, merchant focused mobile apps. We are in a hyper growth phase and are like a start up within a big company. Now is a great opportunity to be part of the core team that is developing this new product and features to help our merchants. We work together on close knit, small teams to develop our apps. We are passionate about respecting code quality and following our defined best practices while always searching for new, better ways to get things done. We value our ego-free code reviews and have continuous integration set up to test our pull requests, deliver nightly builds and run nightly regressions of our automated tests. We work closely and quickly with our design and product team to build, user-test and iterate new features with a customer driven focus. Finally, we value our casual work-hard/play-hard office culture and believe in building teams which are diverse but also have a huge sense of belonging and are proud of what they build and how it impacts our customers.

About Us

  • Small team with product, designers, and mobile engineers sitting side by side.
  • Own the full life cycle of app development from implementation to testing, releasing, production monitoring and customer support.
  • We believe tests and quality are a foundation of our day to day work.
  • We believe in building an inclusive culture and a strong team foundation and have frequently team activities (virtual for now)
  • We believe in customer first approach and work with our NIAB partners closely
  • Hold the occasional spike ball tournament or catch a workout class together at the PayPal gym.
  • Go all out for holidays, including decorations, costumes, and flash mob dances.

About You

  • High energy, self-starter, accountable, proactive.
  • Works well with the team providing and receiving help, solving problems together, and showing kindness and respect.
  • User experience oriented and focused on the needs of our customers.
  • Ability to lead features across multiple teams
  • Collaborate and mentor folks in the team
  • Good communication skills

A Typical Day

  • Writing clean, simple, and tested code to support new product features.
  • Discussing implementation decisions, challenges, and tradeoffs with engineers, product managers, and designers.
  • Refactoring code to clean up inefficiencies we may have created along the way.
  • Representing the team in technical discussions with other PayPal engineering teams.
  • Participating actively in PR reviews and standup with teammates.

Success in this Role

  • First 30-45 days: You will onboard, learn the major components of the codebase, be able to fix minor bugs, and be proficient with our development, build, and release process. You are comfortable adding small changes to the codebase in Objective-C/Swift and JavaScript.
  • In 90 days: You will have a complete understanding of the product and codebase, including UI, internationalization, and app architecture. You will also be able to fix most bugs and will be capable of owning a feature. You will have made key relationships with lead engineers on other PayPal teams.
  • In 180 days: You will be able to own a complex feature end to end. This includes investigating and integrating with existing PayPal services and/or adding features. You are driving architecture discussions and implementation.
  • Forever: You will work diligently to advance our mobile app, delivering on time and with great quality. You will also help advance standards, SDKs, and best practices for all mobile teams at PayPal. You will continue to play a key role in improving our app architecture, refactoring, testing, CI, automation, instrumentation, and dev tooling.

Primary Job Responsibilities:
You will be primarily focused on building the UI layer of the new PayPal Merchant Android app, as well as building mobile SDKs that talk to PayPal APIs. We work on small teams and as a result wear many hats. You will be delivering new features, reacting to customer feedback & internal user testing, helping to ensure quality, working closely with our UX team to prototype new experiences and helping expand our app's reach however possible. Specific responsibilities include: 

  • Contribute to native Mobile application development by converting ideas, designs, and requirements into a robust and easy to use application.
  • Lead and deliver complex software development projects with quality and per schedule.
  • Provide frameworks, interfaces, and services that can be extended and reused.
  • Consult with business units on feasibility, technical requirements, and development effort for new initiatives.
  • Collaborate with Product and Design together for roadmap planning
  • Provide technical leadership and mentorship to junior team members.
  • Collaborate with the Core Application team to maintain overall application goals including application size and performance.
  • Identify areas of technical improvement and make business cases for improvements or new areas of opportunities.
  • Define and devise processes, tools, and methodologies to achieve excellence in software development, testing, and deployment.


• 5+ years of experience building iOS applications in an enterprise environment using Swift and Objective-C.

• Expertise in iOS UI design principles, patterns, and best practices.

• Thorough understanding of XCode

• Experience with animation, and implementing user interface designs

• Skilled at writing Unit and Automation tests

• Knowledge of design patterns such as MVVM and dependency injection

• Practical knowledge of iOS application architecture.

  • Experienced with API design and integration. Cognizant of HTTP/REST principles, networking, performance, latency, caching, authentication, security, and encryption.

• Knowledge of multi-threaded, asynchronous code

• Effective at working in cross-functional groups and getting results in a matrix organizations.

• Excellent verbal and writing skills; ability to produce clear, concise communications and documentation.

• BS/MS or equivalent degree in Computer Science

Preferred Qualifications (optional, but great to have):

  • Automation experience a plus.
  • Experience building non-trivial mobile applications for Android using Java programming language. Personal side projects are also interesting.
  • Javascript/Node experience.
  • 5 years of experience of relevant mobile work.
  • Experience at speaking at Conferences - internal/external

Our Benefits:

At PayPal, we’re committed to building an equitable and inclusive global economy. And we can’t do this without our most important asset—you. That’s why we offer benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.

We have great benefits including a flexible work environment, employee shares options, health and life insurance and more. To learn more about our benefits please visit

Who We Are:

Click Here to learn more about our culture and community.

PayPal has remained at the forefront of the digital payment revolution for more than 20 years. By leveraging technology to make financial services and commerce more convenient, affordable, and secure, the PayPal platform is empowering more than 400 million consumers and merchants in more than 200 markets to join and thrive in the global economy. For more information, visit

PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities. If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at

As part of PayPal’s commitment to employees’ health and safety, we have established in-office Covid-19 protocols and requirements, based on expert guidance. Depending on location, this might include a Covid-19 vaccination requirement for any employee whose role requires them to work onsite. Employees may request reasonable accommodation based on a medical condition or religious belief that prevents them from being vaccinated.



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