Principal, Software Engineer (Back End) | Marketplace | Sunnyvale

**Immigration sponsorship is not available in this role.**

Walmart Global Tech is looking to hire a Principal Software Engineer (Backend Focused) for their Marketplace Engineering team in Sunnyvale, California. An ideal candidate must have expertise in Java, strong knowledge of algorithms and data structures, cloud application development, automation tools, CI/CD pipeline, and a proven understanding of microservices and REST APIs. 

As a part of Walmart Global Tech, you will build industry defining seller and customer experiences in growing the marketplace platform. You will be in the unique position to bring a broader impact to the Walmart’s customers and sellers by providing insights and intelligence on marketplace related transactions and provide capabilities to associates in supporting all segments of Walmart. If you are the type of person who feels a personal stake in everything that you work on, has a love for data, enjoys solving complex problems, has a passion for privacy, knows how to foster strong relationships and build trust, and works for the success of the entire team.

About Team:
Marketplace Engineering team is at the forefront of building core platforms and services to enable Walmart to deliver vast selection at competitive prices and with best-in-class customer experience by enabling third-party sellers to the marketplace platform, sell and manage their products to our customers on walmart.com. We do this by managing the entire seller lifecycle, monitoring customer experience, and deliver high- value insights to our sellers to help them plan their assortment, price, inventory. The team also actively collaborates with partner platform teams to ensure we continue to deliver the best experience to our sellers and our customers.

What you'll do: 

•  Provide deep technical expertise and thought leadership that helps accelerate adoption of the absolute best engineering practices, while maintaining knowledge on industry innovations, trends, and practices. 

• Lead and participate in medium to large-scale projects by reviewing project requirements, translating requirements into technical solutions, gathering requested information, writing, and developing code, and conducting unit testing. Communicating status and issues to team members and stakeholders. 

• Developing highly scalable services to process millions of requests per day and solve complex software systems problems by leveraging state-of-the-art technology.

• Gaining exposure to various technologies used in Marketplace and E-commerce platforms.

• Designing and developing backend microservices and APIs for web applications using JVM ecosystem (Kotlin, Java) and other languages and frameworks (Python, Go)

• Collaborate with project teams and cross functional teams. Troubleshoot open issues and bug-fixes, ensuring on-time delivery and hand-offs. Interact with project manager to provide input on project plan. 

• Troubleshoot business and production issues by gathering information (for example, issue, impact, criticality, root cause), engaging support teams to assist in the resolution of issues. Formulate action plans, performing actions as designated in the plan. Interpret the results to determine further action, perform root cause analysis to prevent future occurrence of issues and complete online documentation. 

• Provide support to the business by responding to users’ questions, concerns, and issues (for example, technical feasibility, implementation strategies). Facilitate resolutions and lead cross-functional partnerships. 

• Driving projects of high visibility across the organization.

• Leading team in designing systems and apps

• Leading team projects by reviewing project requirements, translating requirements into technical solutions while gathering requested information

• Leading the discovery phase of projects to come up with high level design by partnering with the product management, project management, and business and user experience teams. 

What you will bring:  

• Master's degree in Computer Science or equivalent experience with 10+ years of experience in architecting large scale systems with challenges of scalability and delivering sub-second latencies on 99.99% uptime.

• Expertise in one or more programming languages (e.g. Java, Python, etc)

• Strong background in algorithms and data structures.

• Proven understanding of microservices oriented architecture and extensible REST APIs

• Experience with cloud application development including scalable, data driven, Cloud Cost-optimization and message-oriented architecture.  

• Understanding of SaaS, PaaS, IaaS industry with hands on experience with public or private cloud offerings (e.g., AWS, GAE, Azure)

• Experience using any of the automation toolset like Appium, Selenium, Jira, Rest Assured,AssetJ, Gatling, etc. or equivalent tools is a plus. 

• Experience with CI/CD pipelines and best practices. Automated deployment experience is a plus.  

• Advanced knowledge of performance, scalability, and system architecture with an eye toward avoiding and reducing technical debt.

• Practical knowledge of agile software development methodologies (e.g., XP, Scrum)

• Experience in large scale distributed systems and event-driven architectures

• Experience and fluency with relational / non-relational databases (e.g. MySQL, Oracle, Cassandra, etc)

• Strong inclination towards exploring and learning new technologies

• Understanding of machine learning.

• Previous experience in the marketplace domain

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 expert's 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:
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.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.