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Walmart Canada · 3 months ago

(USA) Senior, Software Engineer: Apollo GraphQL

Sunnyvale, CA

Full-time

Onsite

Mid, Senior Level

$117K/yr - $234K/yr

5+ years exp

Walmart Inc. is a leading retailer seeking a Senior Software Engineer to enhance customer payments on Walmart.com. The role involves designing and building scalable microservices and APIs to ensure secure and efficient transactions for millions of shoppers worldwide.

DeliveryRetailShopping

Responsibilities

Design, develop, and maintain highly scalable microservices to support secure and efficient customer payments

Build and optimize APIs using Node.js, Apollo GraphQL, and JavaScript, ensuring high performance, security, and reliability

Collaborate with cross-functional teams (product, design, and backend services) to define, design, and deliver new payment features

Diagnose, debug, and resolve complex technical issues efficiently to ensure a smooth payment experience for millions of customers

Contribute to system architecture and best practices, driving technical excellence and scalability in payment infrastructure

Qualification

MicroservicesAPI DevelopmentGraphQLNode.jsJavaScriptProblem-solvingSystem DesignCollaboration

Required

Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 4 years' experience in software engineering or related area

6 years' experience in software engineering or related area

5+ years of experience in software engineering, with a strong focus on scalable microservices and API development

3+ years of hands-on experience with GraphQL, including schema design, resolvers, query optimization, and best practices for performance and security

Proficiency in Node.js and JavaScript, with experience in backend development, API design, and distributed systems

Strong problem-solving skills and system design experience, with the ability to build solutions that handle high-traffic payments at scale

A collaborative mindset, working effectively with cross-functional teams to deliver high-impact features in a fast-paced environment

Preferred

Master's degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 2 years' 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

Knowledge of assistive technologies

Integrating digital accessibility seamlessly

Knowledge of accessibility best practices