Senior, Software Engineer - BACKEND - JAVA

Immigration sponsorship is not available for this role.

This is a full-time, onsite role at our Sunnyvale, CA office. This position is not eligible for remote work.

Seeking a talented and passionate Senior Backend Engineer to join our International and Omni Tech teams. We look for a candidate with experience as a tech lead for small‑medium projects and a strong development background in Micro Service Architectures using backend technologies such as Java, Spring Boot, Kafka, SQL databases, and caching. The role involves collaborating with product teams, in‑house developers, and architects to design, develop, and enhance reliable and easy‑to‑maintain backend infrastructure.

• Provide technical leadership for an agile development team of 6–8 engineers responsible for features and applications used in multiple International Stores.
• Collaborate with cross‑functional teams (Product Management, Market Operations) to gather requirements, create software design specifications, and high‑level estimates.
• Design, develop, test, deploy, maintain, and improve scalable, secure, and high‑performance APIs, microservices, and components using technologies such as Java, Spring Boot, Kafka, SQL, and caching.
• Perform design and code reviews and suggest improvements to ensure the highest level of quality and maintainability.
• Oversee development life cycles, analyze application logs, maintenance activity data, and performance data; evaluate change requests to identify valid and feasible options.
• Track, analyze, and provide guidance to the team for resolving critical technical debt.
• Provide guidance in troubleshooting technical issues; participate in root‑cause analysis and ensure prevention of future incidents.
• Document code, technical specifications, and instructional materials for team members and stakeholders.
• Contribute to research and implementation of best practices and emerging technologies.
• Share knowledge via formal mentoring, reviewing code, reviewing design documents, and providing technical talks.

• 8+ years of relevant work experience with 2–3 years as a technical lead for a small‑mid‑sized development team.
• Excellent problem‑solving, ownership, communication, and leadership skills.
• Experience with one or more of the following areas:
  Server Backend Distributed and Parallel Systems, Full‑Stack Development (frontend and backend), Scalable Enterprise Platforms and Applications, Application Security, and Incident Management.
• Deep knowledge of software architecture, microservices, Java‑based APIs, and systems testing.
• In‑depth understanding of No
  
  SQL database implementations (e.g., Cosmos, Mongo
  
  DB).
• Clear understanding of design principles for building large‑scale, robust platforms.
• Proven ability to share knowledge via formal mentoring, reviewing code, reviewing design documents, and providing technical talks or brown‑bag sessions.
• Requires knowledge of system performance, application security, monitoring tools, metrics, test automation, and behavior‑driven development.

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 are 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.

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…