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Senior, Data Engineer | Marketplace | Seller Risk Mitigation

Position Summary...What you'll do...• * Please note that Immigration Sponsorship is not available for Sunnyvale..You must be open to relocate to Bentonville, Arkansas if you require Sponsorship .**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 :Walmart Global Tech is looking to hire a Senior Data Engineer for their Marketplace Engineering team. An ideal candidate must have expertise in Java, data platforms, strong knowledge of algorithms and data structures, cloud application development, automation tools, CI/CD pipeline, and a proven understanding of microservices and REST APIs. 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.As a Senior Data Engineer, you'll have the opportunity to• Collaborate with cross functional teams including business, product and other software engineers to understand the business problem, review business requirements, draft technical requirements, scope, design, develop, test, and deploy services and systems.• Collaborate with your team to perform design and code reviews, provide constructive feedback, improve operational excellence to ensure high quality, high availability, scalable and performant systems.• Create and enhance medium sized applications, services, or significant set of components within a large application.• Willing to learn and contribute in any layer of the stack, from front-end development to back-end services and data.What you'll bring :• 7+ years of relevant experience in building highly resilient, highly scalable systems.• Experience in multiple stack technologies Java, Python, Scala• Hands on experience in API development, GQL, Node.js• Hands on experience with Hadoop, Hive, Spark using Scala, Vertex AI, Presto/Trino, Kubernetes, Cloud, Automic, Airflow and Data Lake concepts.• Solid knowledge of complex software design, distributed system design, design patterns, data structures, and algorithms.• Skilled in data modelling & data migration protocols.• Familiarity with public cloud technologies such as Azure or Google Cloud Platform.• Knowledge on Kafka connect, Druid, Big Query and Looker is added advantage.• Excellent technical debugging and production support skills.• Extensive experience in the design, development, and delivery of software products with a large user base.• Track record in an architect role with large-scale software development data-backed services and applications.• Ability to balance conflicting interests in a complex and fast-paced environment.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.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 .Sunnyvale, California US-04396:The annual salary range for this position is $117,000.00-$234,000.00Bentonville, Arkansas US-10735:The annual salary range for this position is $90,000.00-$180,000.00Additional compensation includes annual or quarterly performance bonuses.Additional compensation for certain positions may also include:- StockMinimum 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 3 years' experience in software engineering or related field. Option 2: 5 years' experience insoftware engineering or related field. Option 3: Master's degree in Computer Science and 1 year's experience in software engineering or relatedfield.2 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 3 years' experience in software engineering, 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...840 W California Ave, Sunnyvale, CA 94086-4828, United States of America
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What You Should Know About Senior, Data Engineer | Marketplace | Seller Risk Mitigation, Walmart

Are you ready to take your career to the next level as a Senior Data Engineer with Walmart's Marketplace Engineering team in sunny San Mateo, CA? You'll have the chance to make a real impact by developing key platforms and services that enable third-party sellers to efficiently sell and manage their products online. At Walmart, we believe in empowering our team members, and as a Senior Data Engineer, you’ll get to collaborate with cross-functional teams, tackling business problems head-on and driving innovative solutions. If you possess a wealth of experience in Java, data platforms, and cloud application development, and have a knack for algorithms and data structures, we want to hear from you! Your passion for data and ability to foster relationships will be pivotal as you review requirements, draft technical documents, and create resilient systems that provide invaluable insights. Plus, with a flexible hybrid work model, we prioritize your work-life balance while enabling you to grow both professionally and personally. Join us at Walmart Global Tech where your contributions will help redefine retail for millions of customers. Your next big opportunity awaits!

Frequently Asked Questions (FAQs) for Senior, Data Engineer | Marketplace | Seller Risk Mitigation Role at Walmart
What are the key responsibilities of a Senior Data Engineer at Walmart?

As a Senior Data Engineer at Walmart, your main responsibilities include collaborating with cross-functional teams to understand business problems, creating technical specifications, developing and deploying scalable services and systems, conducting design and code reviews, and enhancing applications. You'll also work with various technologies, from Java and Python to cloud platforms, ensuring optimal performance and high availability of our systems.

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What qualifications are needed for a Senior Data Engineer role at Walmart?

To qualify for the Senior Data Engineer position at Walmart, you should have at least 7 years of relevant experience in building scalable systems, along with a solid understanding of software design, data structures, and algorithms. Proficiency in Java, Python, and cloud technologies such as Azure or Google Cloud Platform is essential. Experience with API development and big data tools like Hadoop and Spark will give you an edge. A Bachelor's or Master's degree in Computer Science is also required.

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What technologies should a Senior Data Engineer be familiar with at Walmart?

A Senior Data Engineer at Walmart should be adept in multiple stack technologies including Java, Python, and Scala. Familiarity with API development, GQL, Node.js, and big data frameworks like Hadoop, Spark, and Airflow is crucial. Additionally, experience with Kubernetes, cloud technologies, and understanding of Kafka connect and data lake concepts will be highly beneficial for this role.

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Can a Senior Data Engineer work remotely at Walmart?

Yes, Walmart offers a flexible hybrid work model for Senior Data Engineers. While teamwork and collaboration are essential, you can enjoy a mix of in-office work and remote options. This approach provides greater flexibility and balances your personal and professional life effectively.

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What growth opportunities are available for Senior Data Engineers at Walmart?

At Walmart, Senior Data Engineers have ample growth opportunities, including access to professional development programs, skills training, and involvement in cutting-edge projects that redefine the retail landscape. With a strong focus on innovation and employee development, your career can take exciting directions within Walmart Global Tech.

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Common Interview Questions for Senior, Data Engineer | Marketplace | Seller Risk Mitigation
Can you explain how you approach designing scalable data systems?

When designing scalable data systems, I focus on understanding user requirements and data flow first. I prioritize utilizing cloud services to enhance scalability, incorporate efficient data structuring, and ensure the systems can handle high loads without compromising performance.

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What experience do you have with cloud technologies relevant to the Senior Data Engineer role?

I have hands-on experience with cloud platforms like AWS and Google Cloud, specifically using tools like BigQuery and Cloud Storage for data processing. I have also implemented serverless architectures and leveraged services to automate workflows efficiently.

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How do you ensure the quality and reliability of your data pipelines?

To ensure quality and reliability in data pipelines, I implement thorough testing protocols, including unit and integration tests. I also leverage monitoring tools to track performance and identify issues proactively, ensuring data integrity throughout the pipeline.

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Can you provide an example of a challenging data problem you solved?

In a previous project, I encountered performance issues due to suboptimal data schema. I conducted a thorough analysis and restructured the schema to be more efficient, resulting in a 50% reduction in query times and improved overall system performance.

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What strategies do you use for effective team collaboration?

I prioritize open communication and utilize collaboration tools to keep everyone aligned. Regular code reviews and pair programming sessions foster shared knowledge and strengthen team dynamics, which ultimately leads to better project outcomes.

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How familiar are you with data modeling techniques?

I am well-versed in various data modeling techniques, including normalization and denormalization. I apply these methods based on the use case to ensure data is optimally organized for retrieval while balancing performance and scalability concerns.

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What programming languages are you proficient in for data engineering?

I am proficient in Java and Python for building data pipelines and services. Additionally, I have experience with Scala, especially when working with Apache Spark for processing large datasets efficiently.

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How would you handle conflicting priorities in a fast-paced environment?

I handle conflicting priorities by practicing effective time management and utilizing project management tools to stay organized. I communicate openly with stakeholders to set realistic timelines and ensure everyone is aligned on priorities.

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What is your experience with automated deployment and CI/CD?

I have significant experience in implementing CI/CD pipelines using tools like Jenkins and GitLab CI. I believe automation in deployment greatly reduces errors and significantly speeds up release cycles, which is crucial for maintaining a high-quality service.

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What techniques do you use to optimize API performance?

To optimize API performance, I focus on efficient data retrieval methods, implement caching mechanisms, and minimize payload sizes. I also monitor API usage through analytics to identify bottlenecks and continuously improve performance.

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Full-time, hybrid
DATE POSTED
December 20, 2024

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