(USA) Senior, Software Engineer

Walmart•Sunnyvale, CA

1d•Onsite

About The Position

The Transactions Checkout Team is part of the Pre-Purchase Organization within Customer Experience Platforms, focusing on delivering fast, reliable, and seamless checkout journeys across Walmart’s mobile experiences. The team owns critical pre-purchase and checkout capabilities including cart review, promotions, payments, and order placement, ensuring customers can confidently complete transactions at scale. Immigration Sponsorship support will NOT be available for this position. Working at the intersection of customer experience and platform engineering, the team partners closely with Product, Design, Payments, and Backend Platform teams to reduce friction, improve conversion, and maintain high reliability across Walmart’s mobile apps. As part of the Pre-Purchase org, the Checkout team plays a key role in shaping how customers experience Walmart before they place an order, supporting innovation while meeting the performance demands of the world’s largest retailer.

Requirements

5+ years building iOS apps with Swift and SwiftUI
Strong expertise in UIKit, iOS SDK, MVVM, VIPER, Clean Architecture, and Coordinators
Hands-on with Swift Concurrency (async/await) and Combine
Experience integrating with REST and GraphQL backend APIs
Solid grasp of design principles, data structures, algorithms, and distributed systems
Strong debugging, performance monitoring, memory management, and stability optimization skills
Proficient in unit/UI testing, CI/CD pipelines, and code reviews
Familiar with Cocoa Pods, Swift Package Manager, and Carthage
Ability to translate designs into pixel-perfect UIs with Auto Layout and SwiftUI
Excellent communication and collaboration in cross-functional, fast-paced environments
Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years’ experience in software engineering or related area.
5 years’ experience in software engineering or related area.

Nice To Haves

Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year's experience in software engineering or related area.
Background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
Knowledge of accessibility best practices and joining us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Responsibilities

Build and scale high-performance iOS checkout experiences for Walmart
Lead medium-to-large iOS engineering initiatives using Swift and SwiftUI
Collaborate with Product, Design, Backend, Payments, and Platform teams
Own production stability through root-cause analysis and issue prevention
Integrate iOS with distributed backend systems via REST and GraphQL
Lead design and code reviews; mentor engineers
Deliver reliable features for peak retail events
Use data and experimentation to reduce friction and improve conversion
Uphold high standards of ethics and engineering excellence

Benefits

Competitive pay
Performance-based bonus awards
Medical coverage
Vision coverage
Dental coverage
401(k)
Stock purchase
Company-paid life insurance
PTO (including sick leave)
Parental leave
Family care leave
Bereavement leave
Jury duty leave
Voting leave
Short-term disability
Long-term disability
Company discounts
Military Leave Pay
Adoption expense reimbursement
Surrogacy expense reimbursement
PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.