SENIOR, SOFTWARE ENGINEER - job 3 of 4

As a Senior Software Engineer at Walmart Global Tech, your main responsibilities include coding, unit testing, and building high-performance applications that cater to millions of customers globally. You’ll also play a vital role in enhancing supply chain management and customer experience, collaborating with international teams to ensure optimal service delivery.

To qualify for the Senior Software Engineer position at Walmart in Bangalore, you need either a Bachelor's degree in a related field alongside 3 years of experience, or 5 years of hands-on experience in software engineering within technology, retail, or data-driven environments. A strong background in Java technologies and backend engineering is essential.

A Senior Software Engineer at Walmart should be proficient in Java, distributed systems, and large-scale application development. Experience with Kafka, Cassandra, containerization technologies, and microservices is highly preferred, along with knowledge of CI/CD processes to support efficient development workflows.

Key skills for a Senior Software Engineer at Walmart Global Tech include strong technical expertise in Java and backend development, a solid understanding of data structures and algorithms, experience with multithreading, and the ability to mentor other engineers. Intellectual curiosity and a passion for technology are also vital for thriving in this role.

The work culture for Senior Software Engineers at Walmart Global Tech is flexible and inclusive, promoting collaboration and innovation. With a hybrid work model, you’ll have the opportunity to work in the office and remotely, ensuring a balanced work-life environment. Our culture fosters belonging, where every associate feels respected and valued.

When discussing your experience with Java technologies, highlight specific projects where you used Java to solve problems. Include details about the frameworks and tools you utilized, and emphasize how your contributions impacted the overall success of the project.

To ensure scalability in your applications, focus on designing a microservices architecture, utilizing proper data partitioning, and implementing load balancing. Discuss any tools or strategies you've employed that enhance performance and allow the application to handle increased loads effectively.

For unit testing, explain your process of using test-driven development (TDD) or behaviour-driven development (BDD). Share specific frameworks, such as JUnit or Mockito, that you've used and how these practices enhanced your code quality and confidence in deployments.

For this question, narrate a specific incident where you identified a significant bug. Describe the diagnostic process you undertook, the methods you used to fix it, and any lessons you learned that improved your troubleshooting skills.

Addressing tight deadlines requires prioritization and effective time management. Discuss techniques you employ to remain productive under pressure, such as breaking tasks into manageable parts, communicating proactively with stakeholders, and maintaining a steady focus on the project goals.

In responding to this question, illustrate your experience in leveraging containerization tools like Docker to create microservices. Explain the advantages of this approach, including deployment efficiencies and improved scalability, and provide examples of your work in these areas.

Mention your approaches for mentoring, such as conducting regular code reviews and promoting pair programming sessions. Explain how you create a supportive environment that encourages juniors to ask questions and learn from real-world coding challenges.

Discuss your hands-on experience with CI/CD pipelines, including tools like Jenkins or GitLab. Provide examples of how you've automated testing and deployment processes, resulting in faster build times and reduced deployment risks.

Share a specific example where you identified performance bottlenecks in your code. Detail the analytical approach you took to diagnose the issue and the steps you implemented to optimize the performance effectively, showcasing your problem-solving skills.

Convey your passion for tech and how Walmart’s innovative culture resonates with you. Discuss your excitement about impacting millions of customers and how Walmart's commitment to diversity and inclusion aligns with your personal values and career goals.