Staff, Data Engineer at Walmart in Sunnyvale, California

Job Description:

What you'll do at



Position Summary...


What you'll do...



About the team:



Join our Walmart's Display Ad team of skilled engineers and help shape the performance optimization strategies of our cutting-edge systems. If you're a passionate and driven individual with a knack for uncovering system bottlenecks and fine-tuning performance, we encourage you to apply and be a part of our innovative journey.



Position Overview:



We are seeking a talented and experienced Java Performance Engineer to join our team of skilled professionals. As a Performance Engineer, you will play a critical role in ensuring the optimal performance of our systems. The ideal candidate should possess a deep understanding of Java applications, have the ability to identify and resolve system issues and performance bottlenecks, and be comfortable working in complex distributed systems across multi-cloud environments.



What You'll Do :

• Collaborate closely with cross-functional teams including developers, architects, and operations to identify performance bottlenecks, system issues, and areas for optimization.
  
  


• Conduct thorough performance analysis of Java-based applications through profiling, monitoring, and benchmarking to identify performance degradation and suggest improvements.
  
  


• Deep dive into the codebase to understand the root causes of performance issues, including resource contention, memory leaks, and suboptimal algorithms.
  
  


• Develop and execute performance testing strategies to simulate real-world scenarios, stress-test system components, and uncover performance limitations.
  
  


• Design, implement, and execute performance experiments to evaluate the impact of code changes and system configurations.
  
  


• Work hands-on to fine-tune system parameters, configurations, and resource allocation to achieve optimal performance results.
  
  


• Collaborate with development teams to provide guidance and recommendations on code optimizations, caching strategies, and concurrency enhancements.
  
  


• Utilize performance monitoring and profiling tools to track and analyze system behavior, and proactively address potential bottlenecks.
  
  


• Collaborate on designing and implementing performance-related features that enhance the overall scalability and efficiency of the systems.
  
  


• Document performance analysis findings, optimization strategies, and best practices for future reference.
  
  


• Stay current with emerging technologies, industry trends, and best practices related to Java performance and distributed systems.
  
  

What You'll Bring:

• Bachelor's degree in computer science, Software Engineering, or a related field. Master's degree is a plus.
  
  


• Proven experience (8+ years) as a Performance Engineer, preferably with a focus on Java-based systems.
  
  


• Proficiency in Java programming language and deep knowledge of Java internals, memory management, and threading.
  
  


• Strong experience with performance profiling tools and techniques to identify bottlenecks in code and system components.
  
  


• Solid understanding of distributed systems architecture and design principles.
  
  


• Familiarity with multi-cloud environments and hands-on experience in optimizing applications for cloud deployment.
  
  


• Ability to analyze and interpret performance metrics to make informed decisions on system optimizations.
  
  


• Experience with performance testing frameworks and load generation tools.
  
  


• Familiarity with containerization technologies (e.g., Docker, Kubernetes) and their impact on application performance.
  
  


• Strong problem-solving skills with the ability to troubleshoot and debug complex systems.
  
  


• Excellent communication skills to collaborate effectively with cross-functional teams and present performance analysis findings.
  
  


• Ability to work independently and take ownership of performance-related tasks and projects.
  
  


• Certifications in performance engineering or relevant cloud platforms is a plus.
  
  


• Openness to learning new technologies and adapting to evolving challenges.
  
  

About Walmart Global Tech



Imagine working in an environment where one line of code can make life easier for hundreds of millions of people and put a smile on their face. That's what we do at Walmart Global Tech. We're a team of 15,000+ software engineers, data scientists and service professionals within Walmart, the world's largest retailer, delivering innovations that improve how our customers shop and empower our 2.3 million associates. To others, innovation looks like an app, service, or some code, but Walmart has always been about people. People are why we innovate, and people power our innovations. Being human led is our true disruption. 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 virtual, while remaining near the locations Global Tech calls home. This approach helps us make quicker decisions, remove location barriers across our global team, be more flexible in our personal lives and spend less time commuting. Of course, being together in person is an important part of our culture and shared success. We use our campuses to collaborate and be together in person, as business needs require and for development and networking opportunities.



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.


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.
‎


‎


‎
You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.
‎


For information about PTO, see https://one.walmart.com/notices.


‎


‎
Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
‎
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
‎


For information about benefits and eligibility, see One.Walmart.


‎
Bellevue, Washington US-11075:The annual salary range for this position is $132,000.00-$264,000.00
‎
Sunnyvale, California US-08479:The annual salary range for this position is $143,000.00-$286,000.00
‎


‎


‎


‎


‎


‎


‎


‎


‎


‎
Additional compensation includes annual or quarterly performance bonuses.
‎
Additional compensation for certain positions may also include:
‎


‎
- Stock
‎


‎




Minimum Qualifications...



Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.


Option 1: Bachelor's degree in Computer Science and 4 years' experience in software engineering or related field. Option 2: 6 years' experience in software engineering or related field. Option 3: Master's degree in Computer Science and 2 years' experience in software engineering or related field.
3 years' experience in data engineering, database engineering, business intelligence, or business analytics.




Preferred Qualifications...



Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.


Data engineering, database engineering, business intelligence, or business analytics, ETL tools and working with large data sets in the cloud, Master's degree in Computer Science or related field and 4 years' experience in software engineering or related field, We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart's accessibility standards and guidelines for supporting an inclusive culture.




Primary Location...



640 W California Avenue, Sunnyvale, CA 94086-4828, United States of America



About Walmart



At Walmart, we help people save money so they can live better. This mission serves as the foundation for every decision we make, from responsible sourcing to sustainability-and everything in between. As a Walmart associate, you will play an integral role in shaping the future of retail, tech, merchandising, finance and hundreds of other industries-all while affecting the lives of millions of customers all over the world. Here, your work makes an impact every day. What are you waiting for?


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, abilities, ideas and opinions- while being inclusive of all people.


"At Walmart, we get the opportunity to grow professionally and personally-all while improving how we work and what we deliver to consumers." - Lola, Project Analyst



Hello, Silicon Valley



You don't have to choose between your career and your lifestyle in Silicon Valley. Here, you can have both. Apply Now