What will you do:

• You are a problem solver with critical thinking.
• You are a team player, like to collaborate with cross-function teams and influence others.
• You can overview from high-level and deep dive into details with complex subjects.
• You have an enthusiasm in technology.
• You are familiar with big data processing using distributed system in Fortune 1 scale.
• You're organized, disciplined, and can lead multiple projects simultaneously.
• You have high standards in quality and operation excellence.
• You are always looking for challenges and willing to learn.
• Managing and improving billions of customer identities unification. You will manage and analyze billions of customer ids, from various channels both online and instore, to identify the reliable connections, thus build scalable distributed system to process billions of ids. The unification of customer ids will bridge the gaps among different channels in advertising and enable the closed-loop targeting and reporting.
• Designing and implementing advertising data lake. You will efficiently manage and serve extremely large volume data in different format and storage. Designing the extensible framework for data model and storage, processing pipeline, service interfaces is the key.
• Enforcing business decisions by data-driven. Clarify and understand business needs, provide reasonable technical solutions with data supporting.
• Leveraging public could. Utilize public cloud tools and resources most efficiently to scale our storage and computation in Google cloud platform and Microsoft Azure. Improve performance optimization and cost reduction.
• Operating with excellence. Lead by example in implementing quality code and conducting code/design reviews, enabling monitoring and alerting systems for proactive incident handling, automating the product software development, testing, deployment, running and disaster recovering, and troubleshooting and solving emergent product/business issues.
• Building strategic relationship. Collaborating with cross-function cross-department product and engineering teams to achieve win-win results. Influence product roadmap and decisions with sound technical solutions.

What you will bring:

• Bachelor's Degree in Computer Science or a related field.
• 7+ years of experience in software development, 3+ years focusing on big data processing and distributed systems.
• Proficient in Scala or Java or Python, spark, HQL and SQL.
• Deep knowledge in Hadoop ecosystem, like HDFS, Hive, MapReduce, Presto etc.
• Advanced knowledge of complex software design, distributed system design, design patterns, data structures and algorithms.
• Excellent data analytics skills and ability to explore and identify data issues.
• Ability to explain complex subjects in layman's terms.
• Experience with distributed version control like Git or similar
• Familiarity with continuous integration/deployment processes and tools such as Jenkins and Maven.
• Familiar with public cloud technologies in Google Cloud Platform, especially BigQuery, GCS and Dataproc.
• Experience with ETL pipelines.
• Experience in advertising domain.
• Familiar with workflow management systems like airflow or oozie.
• Experience with enterprise monitoring and alerting solutions like Prometheus, Graphite, alerts manager and Splunk.

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.

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

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

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The annual salary range for this position is $143,000.00-$286,000.00
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Additional compensation includes annual or quarterly performance bonuses.
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Additional compensation for certain positions may also include:
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- Stock
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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, computer engineering, computer information systems, software engineering, or related area and 4 years' experience in software engineering or related area.Option 2: 6 years' experience in software engineering or related area.

Preferred Qualifications...

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

Master's degree in Computer Science or related field and 3 years' experience in software engineering

Primary Location...

680 West California Avenue, Sunnyvale, CA 94086-4834, United States of America