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Software Engineer III - job 3 of 16

Position Summary...

What you'll do...

About the Team :
Enterprise Business Services is invested in building a compact, robust organization that includes service operations and technology solutions for Finance, People, Associate Digital Experience. 

Our team is responsible for design, development, and operations of large-scale data systems operating at petabytes scale. We focus on creating pipelines, curating and aggregating huge data, distributed spark infrastructure. We interact with multiple teams across the company to provide scalable robust technical solutions.

This role will focus on Data engineering and ETL development. A majority of the transformation logic will be in Databricks. A strong understanding of creating workflow is needed. This role will assist in ETL design leveraging standard Data Warehousing techniques and functional programming techniques.

Walmart’s Enterprise Business Services (EBS) is a powerhouse of several exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart.  

As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Each time an associate turns on their laptop, a customer makes a purchase, a new supplier is onboarded, the company closes the books, physical and legal risk is avoided, and when we pay our associates consistently and accurately, that is EBS. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the chance to set new industry standards that shape the future of Walmart. 


What you'll do:

  • Design, build, test and deploy cutting edge solutions at scale, impacting millions of customers worldwide drive value from data at Walmart Scale
  • Develop high performance and scalable solutions that extract, transform, and load Spark/big data.
  • Experience performing root cause analysis on data and processes to answer specific business questions and identify opportunities for improvement.
  • Experience building and optimizing ‘spark/big data’ data pipelines, architectures and data sets involving petabyte and terabyte of data.
  • Interact with Walmart engineering teams across geographies to leverage expertise and contribute to the tech community.
  • Engage with Product Management and Business to drive the agenda, set your priorities and deliver awesome product features to keep platform ahead of market scenarios.
  • Closely interact with Data Engineers from within Walmart to identify right open-source tools to deliver product features by performing research, POC/Pilot.
  • Engage with Product Management and Business to support and build data solutions and develop expertise w.r.t data thereby being known as the true data analyst.
  • You also get to collaborate with team members to develop best practices and client requirements for the software.
  • You will show your skills in analyzing and testing programs/products before formal launch to ensure flawless performance.
  • Software security is of prime importance and by developing programs that monitor sharing of private information, you will be able to add tremendous credibility to your work.
  • You will also be required to seek ways to improve the software and its effectiveness.
  • You will be called upon to support the coaching and training of other team members to ensure all employees are confident in the use of software applications.


What you'll bring:

Qualifications & Experience: 

  • Bachelor’s or master’s degree in computer science or a related technical field. 
  • • 3-6 years of hands-on object-oriented programming experience in Python. 
  • • 3-6 years of hands-on in Database Fundamentals, SQL, PLSQL, Store Procedures. 
  • • 3-6 years of experience in designing and developing large-scale, fault-tolerant, highly scalable data pipelines using big data technologies (e.g., Apache Spark, Kafka, Cassandra, Hadoop, Hive, Presto, Airflow). 
  • • Strong understanding & experience in system design, algorithms, distributed systems, and high-scale data processing. 
  • • Deep understanding of ETL, Data Modeling & Data Warehousing concepts. 
  • • Strong programming expertise to understand requirements, design high-level & low-level solutions (HLD/LLD), and implement design patterns with S.O.L.I.D principles. 
  • • Experience in end-to-end product development, emphasizing configuration-driven, behavior-driven, and test-driven development (including unit test cases and DevOps best practices). 
  • • Strong expertise in parsing, handling, and writing POJOs for structured metadata formats such as JSON, YAML, and XML. 
  • • Proficiency in writing efficient algorithms with optimized time and space complexity. 
  • • Designing systems that gracefully handle failures, high concurrency, data inconsistencies, and edge cases. 
  • • Ensuring zero data loss and 100% accuracy in data pipelines, even under high-volume traffic. 
  • • Implementing and tuning systems that process petabytes of data with sub-second latency. 
  • • Experience in distributed computing, indexing strategies, parallel processing, and caching mechanisms to improve performance. 
  • • Implementing fine-grained access controls, encryption, and data masking techniques. 
  • • Ensuring compliance with GDPR, CCPA, HIPAA, and other industry regulations. 
  • • Implementing real-time monitoring, logging, tracing, and alerting to ensure high availability and proactive issue resolution. 
  • • Experience with tools like Prometheus, Grafana, Datadog, or ELK stack for monitoring. 
  • • Writing robust integration, regression, and performance test cases to detect defects early. 
  • • Experience with Jenkins, GitHub Actions, or GitLab CI/CD to streamline release management. 
  • • Ability to prioritize and make trade-offs between performance, cost, and reliability. 
  • • Expertise in failure analysis, RCA (Root Cause Analysis), and rollback strategies. 
  •  
  • Additional Qualifications: 
  • • Experience in building large-scale distributed systems, ensuring scalability and fault tolerance. 
  • • Strong exposure to cloud infrastructure (AWS, GCP, OpenStack, etc.). 
  • • Experience working with metadata-driven development approaches. 
  • • Passion for automation, optimization, and improving system efficiency. 
  • • Strong problem-solving, critical thinking, and analytical skills. 
  • • Excellent communication skills, with the ability to explain complex technical concepts effectively. 

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 with primary in office presence coupled with an optimal mix of virtual presence. We use our campuses to collaborate and be together in person, as business needs require and for development and networking opportunities. This approach helps us make quicker decisions, remove location barriers across our global team, be more flexible in our personal lives.

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.

Belonging

We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone.

At Walmart, our vision is "everyone included." By fostering a workplace culture where everyone is—and feels—included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we’re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.

Equal Opportunity Employer

Walmart, Inc., is an Equal Opportunities 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 unique styles, experiences, identities, ideas and opinions – while being inclusive of all people.

Minimum Qualifications...

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

Minimum Qualifications:Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 2years’ experience in software engineering or related area at a technology, retail, or data-driven company.

Option 2: 4 years’ experience in software engineering or related area at a technology, retail, or data-driven company.

Preferred Qualifications...

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

Certification in Security+, Network+, GISF, GSEC, CISSP, or CCSP, Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area

Primary Location...

Pardhanani Wilshire Ii, Cessna Business Park, Kadubeesanahalli Village, Varthur Hobli , India
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Average salary estimate

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What You Should Know About Software Engineer III, Walmart

Are you ready to make a significant impact in your career as a Software Engineer III at Walmart? Join our dynamic Enterprise Business Services team based in Bangalore, where we’re committed to designing and developing large-scale data systems that operate efficiently at a petabyte scale. Picture yourself building cutting-edge solutions that serve millions of customers worldwide. Your role will involve expertise in data engineering and ETL development, primarily using Databricks to transform and curate massive datasets. You'll collaborate with cross-functional teams to craft scalable and robust technical solutions while discovering opportunities for improvement in data processes. Embracing technologies like Apache Spark, Kafka, and Hadoop, you’ll have the chance to solve real-world problems by creating high-performance data pipelines. Your journey with Walmart Global Tech will allow you to enhance your skills while directly impacting the way people shop and interact with technology. We're looking for someone with a solid understanding of object-oriented programming in Python, alongside expertise in SQL and data warehousing. Here, innovation and growth are at the forefront, and every line of code you write could enhance millions of lives. If you have a passion for automation and improving system efficiencies, we'd love for you to be part of our journey, driving excellence and breaking new ground in retail technology.

Frequently Asked Questions (FAQs) for Software Engineer III Role at Walmart
What are the key responsibilities of a Software Engineer III at Walmart?

As a Software Engineer III at Walmart, your primary responsibilities will include designing, building, testing, and deploying scalable solutions that manage petabytes of data. You'll focus on creating data pipelines, enhancing the ETL process, and utilizing technologies such as Databricks and Apache Spark. Collaborating with various teams across Walmart to drive product features and maintain technical excellence are also critical parts of your role.

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What qualifications are required for the Software Engineer III position at Walmart?

To be considered for the Software Engineer III position at Walmart, candidates should possess a bachelor’s or master’s degree in computer science or a related technical field along with 3-6 years of relevant experience in software engineering, particularly in data pipelines, SQL, and big data technologies. Strong programming skills in Python and a deep understanding of ETL, data modeling, and data warehousing concepts are essential.

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How does Walmart support career growth for Software Engineer III?

Walmart is dedicated to fostering a culture of growth and innovation for Software Engineer III positions. You will be provided opportunities for professional development through ongoing training, mentorship programs, and engaging with the latest technologies. By working on impactful projects that influence millions, you can enhance your skill set and advance your career within Walmart Global Tech.

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What technologies will a Software Engineer III work with at Walmart?

In the role of Software Engineer III at Walmart, you will be working with a variety of cutting-edge technologies including Apache Spark, Kafka, Databricks, and Hadoop. You’ll also have the chance to utilize SQL and PL/SQL in your daily tasks, along with modern DevOps tools for continuous integration and delivery, enhancing your expertise in high-scale data processing.

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What does the work environment look like for a Software Engineer III at Walmart?

Walmart fosters a flexible and collaborative work environment for Software Engineer III where you can thrive within a hybrid model. You'll enjoy the opportunity to work both in-office and remotely while collaborating with team members across the globe. This dynamic setting encourages networking and fosters innovation, allowing you to make quick decisions and contribute to exciting projects.

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Common Interview Questions for Software Engineer III
Can you explain your experience with data engineering and ETL processes?

When answering this, highlight your specific experience with designing and implementing ETL workflows. Discuss any tools you’ve used, such as Databricks or Apache Spark, and share examples of projects where you've enhanced data pipelines.

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Describe a challenging programming project you worked on. What was your role?

Select a project where you faced obstacles and outline your contributions. Emphasize your problem-solving skills and how you collaborated with team members, detailing the technologies used and the positive outcome achieved.

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How do you ensure data integrity and security in your projects?

Discuss your understanding of data governance, access control, and encryption methods. Mention specific practices you've implemented to maintain security and compliance, referencing any regulations like GDPR or HIPAA that apply.

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What is your approach to debugging and performance optimization?

Talk about your systematic approach to identifying issues, using tools for root cause analysis, and steps taken to enhance performance in previous roles, emphasizing your experience with monitoring tools like Prometheus or Grafana.

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How do you stay updated with emerging technologies in data engineering?

Mention your strategies for professional development, such as following industry blogs, attending tech conferences, participating in online courses, or engaging with technical communities, to showcase your commitment to growth.

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Can you describe a time when you collaborated with a cross-functional team?

Provide an example that highlights your teamwork skills, focusing on communication, problem-solving, and how you contributed to the overall goals of the project, while also mentioning any challenges faced and how they were overcome.

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What programming languages are you proficient in and how have you applied them?

Specify your expertise in languages like Python and SQL, and share concrete examples of how you've leveraged them in previous projects to solve problems or improve efficiencies within data processes.

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How do you approach system design and architecture for data solutions?

Discuss your process for gathering requirements, your understanding of distributed systems, and the principles that guide your design choices, emphasizing how you ensure scalability and fault tolerance in your architecture.

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What are some strategies you utilize to handle high volumes of data?

Talk about consulting strategies such as parallel processing, caching mechanisms, and efficient data storage solutions, providing specific examples from your experience that demonstrate your ability to manage large datasets effectively.

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Why do you want to work at Walmart as a Software Engineer III?

Express genuine enthusiasm for Walmart's mission and the opportunity to leverage technology to make a positive impact. Share what excites you about working in a collaborative environment that values innovation and growth in the tech space.

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