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Staff Software Engineer - Java at Walmart Global Tech

Location
Greater Bengaluru Area
Job type
Full time
Posted on 20 Dec
Description
What you'll do:
  • Guide the team in architectural decisions and best practices for building scalable applications.
  • Drive design, development, implementation and documentation
  • Build, test and deploy cutting edge solutions at scale, impacting associates of Walmart worldwide.
  • 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 products.
  • Drive the success of the implementation by applying technical skills, to design and build enhanced processes and technical solutions in support of strategic initiatives.
  • Work closely with the Architects and cross functional teams and follow established practices for the delivery of solutions meeting QCD (Quality, Cost & Delivery). Within the established architectural guidelines.
  • Work with senior leadership to chart out the future roadmap of the products
  • Participate in hiring and build teams enabling them to be high performing agile teams.
  • Interact closely for requirements with Business owners and technical teams both within India and across the globe.


What you'll bring:
  • Bachelor's/Master’s degree in Computer Science, engineering, or related field, with minimum 6+ years of experience in software design, development and automated deployments.


  • Hands on experience building Java-based backend systems and experience of working in cloud based solutions is a must. Should be proficient in Java, Spring Boot, Kafka and Spark.
  • Have prior experience in delivering highly scalable large scale data processing Java applications.
  • Strong in high and low level system design. Should be experienced in designing data intensive applications in open stack.
  • A good understanding of CS Fundamentals, Microservices, Data Structures, Algorithms & Problem Solving
  • Should be experienced in CICD development environments/tools including, but not limited to, Git, Maven, Jenkins.
  • Strong in writing modular and testable code and test cases (unit, functional and integration) using frameworks like JUnit, Mockito, and Mock MVC
  • Should be experienced in microservices architecture. Possesses good understanding of distributed concepts, common design principles, design patterns and cloud native development concepts.
  • Hands-on experience in Spring boot, concurrency, garbage collection, RESTful services, data caching services and ORM tools.
  • Experience working with Relational Database and writing complex OLAP, OLTP and SQL queries.
  • Provide multiple alternatives for development frameworks, libraries, and tools.
  • Experience in working with NoSQL Databases like cosmos DB.
  • Experience in working with Caching technology like Redis, Mem cache or other related Systems.
  • Experience in event based systems like Kafka.
  • Experience utilizing monitoring and alert tools like Prometheus, Splunk, and other related systems and excellent in debugging and troubleshooting issues.
  • Exposure to Containerization tools like Docker, Helm, Kubernetes.
  • Knowledge of public cloud platforms like Azure, GCP etc. will be an added advantage.
  • An understanding of Mainframe databases will be an added advantage.


Walmart Global Tech
tech.walmart.com
500+
Master Backend Engineering
AI-First Software Engineering
Next batch starts on 28 Feb
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Walmart Global Tech
tech.walmart.com
500+
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Frequently Asked Questions

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Why Work at Walmart Global Tech

Working at Walmart Global Tech provides a unique opportunity to be part of a company that has a profound impact on the global retail landscape. Walmart Global Tech is a key player in driving innovation and technology development across the Walmart ecosystem. As part of the team, you'll collaborate on cutting-edge projects that influence the daily lives of millions worldwide. With its vast resources and customer base, Walmart is committed to supporting the professional growth of its employees, offering numerous training programs and learning opportunities to hone your skills.

Walmart Global Tech's commitment to diversity and inclusion is another reason you might want to consider joining the team. The company fosters an inclusive environment where different perspectives are valued, leading to more innovative solutions and a supportive workplace culture. This is an environment where you can feel comfortable being your authentic self and where your ideas are welcome and encouraged.

What's It Like to Work at Walmart Global Tech

At Walmart Global Tech, employees enjoy a collaborative and empowering work environment. The company encourages a culture of innovation, where team members are motivated to think creatively and push the boundaries of what is possible. The work is fast-paced and challenging, providing ample opportunity for problem-solving and professional growth.

Walmart Global Tech is known for its flexible work arrangements, allowing employees to maintain a healthy work-life balance. The company offers remote work options and flexible hours, acknowledging that a happy employee is a productive employee. You’ll find yourself working alongside some of the brightest minds in the tech industry, in an atmosphere that is both professional and family-like.

Moreover, the company invests heavily in technology and provides state-of-the-art tools and platforms to work on, enabling engineers to focus on innovation and efficiency. Employees at Walmart Global Tech have access to a plethora of resources to assist with their work, including training modules, workshops, and networking events.

What's It Like to Work as a Staff Software Engineer - Java at Walmart Global Tech

As a Staff Software Engineer - Java at Walmart Global Tech, your role will be pivotal in developing, enhancing, and scaling applications that support Walmart's retail operations worldwide. You’ll work in a dynamic environment where collaboration between cross-functional teams is a significant aspect of daily operations. This position allows for autonomy and accountability, as you will be entrusted with leading critical projects that align with the company's strategic goals.

Daily tasks include coding, debugging, and troubleshooting software issues, as well as designing robust, scalable, and secure Java applications. You will contribute to architectural discussions, mentor junior engineers, and participate in code reviews. The team structure encourages open communication, and your inputs on optimizing processes and improving system performance are highly valued.

The role of a Staff Software Engineer - Java at Walmart Global Tech is not just about writing code; it’s about driving technology advancements that align with Walmart’s mission to save people money so they can live better. This position thus offers both the challenges and rewards of working on large-scale projects that make a tangible impact.

Staff Software Engineer - Java Interview Questions at Walmart Global Tech

When interviewing for a Staff Software Engineer - Java position at Walmart Global Tech, you can expect a series of questions designed to assess both your technical expertise and your problem-solving skills. Here are examples of questions that may be asked:

  1. Java and OOP Concepts:

    • Explain the concept of Java Inheritance and its types.
    • How does the Java Garbage Collector work?
    • What is polymorphism in Java, and how do you implement it?
  2. Problem-Solving and Algorithms:

    • Walk us through how you would solve a complex problem in a multi-threaded Java environment.
    • Given a data set, how would you implement a solution to filter out specific elements based on conditions?
  3. System Design:

    • Design a scalable architecture for a web application that handles millions of requests per second.
    • How would you ensure database reliability and consistency in a distributed system?
  4. Behavioral:

    • Describe a time when you faced a significant technical challenge. How did you overcome it?
    • How do you prioritize different tasks when working under tight deadlines?

Staff Software Engineer - Java Interview Preparation at Walmart Global Tech

Preparing for an interview at Walmart Global Tech involves a thorough understanding of Java and related technologies, as well as a strong grasp of software engineering principles. To get ready, review core Java concepts such as multithreading, exception handling, collections, and design patterns.

Additionally, brush up on system design fundamentals. Practice designing scalable systems, paying special attention to trade-offs in performance and maintainability. Familiarize yourself with cloud services and distributed computing as they are relevant to Walmart’s technology stack.

Coding interviews are a critical component of the hiring process, so enhance your skills by solving problems on platforms like LeetCode, HackerRank, and CodeSignal. Focus on algorithms, data structures, and coding best practices to ensure you can write clean, efficient code under pressure.

It’s also beneficial to understand Walmart's business model and core values. Be prepared to discuss how your expertise can help Walmart achieve its objectives, and demonstrate awareness of current trends in retail technology.

Staff Software Engineer - Java Interview Tips at Walmart Global Tech

Entering an interview for a Staff Software Engineer - Java position at Walmart Global Tech can be both exciting and daunting. Here are some tips to help you succeed:

  • Research and Familiarity: Have a good understanding of Walmart's business model, its market position, and its technology initiatives. Demonstrating knowledge of Walmart’s ecosystem can show your interest and enthusiasm for the role.

  • Tech Stack Proficiency: Make sure to articulate your expertise in Java and related technologies. Provide examples from your past experience that demonstrate your ability to lead technical projects and solve complex problems.

  • Communication: Effective communication is crucial. Practice explaining technical concepts succinctly and ensure you can articulate your thought processes clearly during problem-solving.

  • Cultural Fit: Walmart Global Tech values collaboration, innovation, and commitment. Showcase how your personal values align with the company’s ethos. Be honest and authentic about your experiences and how they have prepared you for this role.

  • Mock Interviews and Feedback: Consider participating in mock interviews with peers or mentors who can provide valuable feedback. This can help you refine your approach and become more comfortable during the actual interview process.