iOS Software Engineer, Card Experience - Graphics Job at Cash App in Denver

Overview

Cash App's Card Experience team (part of Cash App's Banking group) builds some of the most creative and experiential features in the Cash App ecosystem. Our mission is to make the Cash Card the primary card of choice for our users by delivering delightful, seamless end-to-end experiences around the Cash Card. This team is responsible for the innovative tools that let customers personalize their Cash App Card and enjoy interactive visuals in the app. We design and implement features such as custom Cash Card designs (with stamps, emojis, and even hand-drawn artwork), themed payment interfaces (unlocking new app themes like special pink or glitter effects when you order unique Cash Cards), and even a 3D interactive model of the Cash Card right within the app. By pushing the boundaries of mobile graphics on iOS, we ensure that Cash App customers don't just manage money – they get to express themselves and have fun while doing so.

Our Card Experience team also collaborates with external partners to deliver unique product experiences that resonate with our users. We've launched exclusive card designs and in-app content in partnership with well-known artists – for example, an exclusive Sabrina Carpenter -themed Cash Card design with custom stamps, and special promotions like early Cash Card access to Lil Nas X 's concert presale. These collaborations showcase how our team combines cutting-edge iOS graphics with pop culture and brand partnerships to create features that are engaging, shareable, and truly one-of-a-kind on the Cash App platform.

Responsibilities

• Build innovative graphics features : Design, develop, and maintain high-performance iOS components that power our interactive card experiences – from the real-time 3D Cash Card model to dynamic UI elements for card customization and payment pad themes. You will work with frameworks like SceneKit / RealityKit and low-level APIs like Metal to render rich 3D content and animations on iOS devices.
• End-to-end feature development : Own features from concept to release. This includes working closely with product and design on creative new ideas (e.g. animated card customizers, AR visualizations), rapid prototyping of immersive UI / UX interactions, and building production-quality code for these features.
• Performance optimization : Tackle the challenges of rendering and animation in a mobile environment. Profile and optimize rendering code (CPU / GPU usage, memory) to maintain smooth 60fps+ experiences, even when handling complex scenes or effects. Implement custom shaders or rendering techniques when necessary to achieve visual excellence without sacrificing app performance.
• Collaboration and mentorship : Work cross-functionally with our world-class designers, animators, and product managers to refine requirements and translate ambitious visions into reality. Collaborate with Android and backend engineers to ensure a consistent experience across platforms. If you have senior-level experience, you will also mentor other iOS engineers in graphics programming best practices and push the team's technical capabilities forward.
• Quality and maintainability : Write clean, well-structured, and testable code. Utilize unit tests and UI snapshot tests to prevent regressions in complex visual features. Participate in code reviews, and help uphold high engineering standards for the team. You will also contribute to the technical direction of graphics / AR technologies in the app, evaluating new frameworks or tools (e.g. adopting RealityKit or Filament for rendering) and ensuring our graphics stack remains modern and robust.

Qualifications

Equal Opportunity and Hiring Practices

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.

Privacy policy and hiring practice information available upon request. 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.

Contact us at privacy@block.xyz with hiring practice or data usage questions.

We offer remote work, medical insurance, flexible time off, retirement savings plans, and other benefits designed to help you do your best work while building the life you want.

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.

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.

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