Software Engineer III - API

Position Summary:The Sponsored Search Campaigns Management API team is responsible for developing and maintaining the programmatic interface for Walmart's Sponsored Search Advertising platform. Our focus is to ensure the reliability, scalability, and ease of use of the APIs for our partners who build applications that interact with Walmart's advertising platform. Additionally, we collaborate with other teams within Walmart to provide a seamless experience for advertisers using the self-serve platform.What you’ll bring:Minimum of 1 year experience designing and implementing REST API web services using Spring Boot and/or Play Framework in Scala or Java.Experience building, scaling, and maintaining high-quality API products with an advertiser-centric focus.Knowledge of designing and testing relational database management systems such as Azure SQL, and NoSQL databases like Cassandra and Elastic Search.Proficiency in testing and troubleshooting using JUnit tests and Mockito tests.A strong understanding of system design, data structures, and algorithms.Familiarity with object-relational mapping tools, particularly Hibernate, is desirable.A growth-oriented mindset and a willingness to raise the technical bar, as well as to identify opportunities for improving existing processes, tools, and systems to achieve high scale and productivity.Experience with real-time message processing using Apache Kafka.Experience working with Docker and Kubernetes is a plus.Familiarity with Cloud Computing Services such as Google GCP and Microsoft Azure, as well as Distributed Storage Systems like Hive and Elastic Search is a plus.Excellent oral and written communication skills, with the ability to present to both technical and non-technical audiences.A strong sense of accountability and ownership, self-discipline, and focus on high-quality deliverables, and a team-oriented approach that values design thinking, efficiency, and innovation.What you will do:Build and maintain backend software services that can handle millions of requests per day to support advertising on Walmart.com and its subsidiaries.Utilize Spring Boot and Play framework in Java or Scala to design and implement low-latency REST APIs with Azure SQL Server and Cassandra as storage systems, enabling brand advertisers and API partners to manage ad campaigns in a self-serve manner.Develop and maintain APIs allowing advertisers to generate on-demand reports, perform real-time event queries, and perform ad-hoc analysis of aggregated data using Druid and Elastic Search.Work with modern web-based architectures, including REST APIs, Serverless, and event-driven microservices.Create and deploy large-scale, containerized applications using Docker and Kubernetes in public clouds like Google GCP and Microsoft Azure.Collaborate with other scrum teams, QA, Product, Program Management, and Partner-Ops, while partnering with cross-functional project development teams.Participate in 24/7 on-call rotations to troubleshoot production issues across cross-functional teams.Mentor / Manage software engineers and lead engineering projects.Coordinate, create, and complete technical design discussions to drive technical architecture.About Walmart Global Tech:Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That’s what we do at Walmart Global Tech. We’re a team of software engineers, data scientists, cybersecurity experts, and service professionals within the world’s leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.Flexible, hybrid work:We use a hybrid way of working that is primarily in-office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.Benefits:Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.Equal Opportunity Employer:Walmart, Inc. is an Equal Opportunity Employer – By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, ideas, and opinions – while being inclusive of all people.Minimum Qualifications:Option 1: Bachelor'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.Option 2: 4 years’ experience in software engineering or related area.Primary Location:860 W California Avenue, Sunnyvale, CA 94086-0000, United States of America.

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