Principal, Software Engineer

Position Summary

About Team:
Building the right technology foundation for Infrastructure & platforms is vital to success at the scale of Walmart. Our team builds and maintains the foundational technologies that support the tech organization. Included in this are data platforms, enterprise architecture, Dev Ops, cloud computing, and infrastructure. All of these products and services are supported by scalable and powerful infrastructure, ensuring a secure and seamless employee and customer experience across stores, digital channels, and distribution centers.

What you’ll do:

Define, design, and develop data access layer for SQL and No

SQL data stores; lead a team of engineers to deliver cross‑team initiatives; root‑cause analysis of complex problems involving multiple teams, applications, networks, hardware, and software that relate to scaling and performance; collaborate with the open source community and make contributions to open‑source software; collaborate with public cloud database service providers and deliver efficient and effective database solutions to business critical applications; own the problems and deliver solutions for complex problems.

• Define, design, and develop data access layer for SQL and No
  
  SQL data stores
• Lead a team of engineers to deliver cross‑team initiatives
• Root‑cause analysis of complex problems involving multiple teams, applications, networks, hardware, and software that relate to scaling and performance
• Collaborate with the open source community and make contributions to open‑source software
• Collaborate with public cloud database service providers and deliver efficient and effective database solutions to business critical applications
• Own the problems and deliver solutions for complex problems

• 12+ years of software development experience in backend systems and services involving database accesses (SQL and No
  
  SQL) in a distributed environment
• Extensive hands‑on experience and deep expertise in Java‑based technologies. Thorough understanding of concurrency and thread models in Java
• Proficiency in database technologies and deep understanding of their designs and limitations (SQL and No
  
  SQL)
• Design, scope, and build large projects across multiple teams with end‑to‑end delivery
• Git or a similar version control tool
• Strong understanding of agile methodologies (Scrum and Kanban)
• Strong understanding of continuous integration and delivery (Jenkins, Git Ops, etc)
• Strong understanding of testing frameworks and concepts (Integration, Unit, etc)
• Experience running large‑scale data platforms
• Able to write clear design documentation
• Able to diagnose and do deep analysis on production issues
• Able to lead a group of engineers to solve a challenging problem/project
• Mentor junior engineers

• Extensive knowledge in deployment automation tools (Docker, Kubernetes)
• Extensive knowledge in database technologies, distributed systems and the challenges that come with them
• Experience writing DB client SDK or networking drivers
• Experience with Netty framework or Java NIO

• 12+ years experience in software development
• 5+ years as a technical architect
• Experience interacting with business and product partners to gather the right requirements
• Demonstrated experience delivering software using Agile methodologies
• Effective communication skills, both written and verbal

• Master’s degree or Ph.D. in Computer Science or related field
• Expertise with cloud technologies such as Microsoft Azure or Google Cloud Platform
• Experience working with teams across multiple locations. Distributed office working experience with a US headquarters
• Excellent technical abilities with strong business, organizational and analytical skills

At Walmart, we offer competitive pay as well as performance‑based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage.

Financial benefits include 401(k), stock purchase and company‑paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short‑term and long‑term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

Benefits are subject to change and may be subject to a specific plan or program terms. The annual salary range for this position is $–$. Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include stock.

1345 Crossman Ave, Sunnyvale, CA 94089‑1114, United States of America

Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and have a no‑tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.