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Position Summary...

Walmart's Enterprise Business Services (EBS) is a powerhouse of seven 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. 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.

As a Principal Software engineer, you will be working with a high performing team of 10 to 30 engineers. You will provide technical leadership and be accountable for the technical architecture of software applications built, released and deployed through sophisticated CICD pipelines.

What you'll do...

Technical Leadership:

+ Guide the team in architectural decisions and best practices for building scalable applications.

+ Provide multiple alternatives for development frameworks, libraries, and tools.

Development Frameworks.** Enable the development of scalable solutions for data intensive batch and streaming applications. Your expertise in and understanding of thefollowing technology frameworks will help us to accelerate our technology modernization **:

+ **Java Frameworks:**

+ **Spring Boot** : Our default choice for creating production-grade Spring-based applications. You should be well versed in building REST, Streaming and Batch applications using Java and Spring Boot.

+ **Micronaut** : Your knowledge of Micronaut or a related framework that can be used as a alternative of Spring Boot will help us in building modular, easily testable microservice applications.

+ **Persistence Frameworks:**

+ **Hibernate** : A thorough understanding of this Object-relational mapping (ORM) framework for data handling is required. You will be building applications using Spring Data built on top of Hibernate.

+ **MyBatis** : As a technical leader you should have broaden your understanding to MyBatis or any other persistence frameworks other than Hibernate for leveraging custom SQL, stored procedures, and advanced mappings.

+ **Big Data Processing:**

+ **Apache Spark** : It is our unified analytics engine for large-scale data processing. Prior experience in Java Spark or python spark projects is desirable.

+ **Streaming Frameworks:**

+ **Apache Kafka** : We extensivily use this distributed event streaming platform for high-throughput data pipelines. Knowledge and prior experience of Apache Kafka is a must.

+ **Apache Pulsar** : Your understanding of Multi-tenant, high-performance messaging solution will help us in building platforms.

**Unit Testing Frameworks:** Your expertise in the following testing frameworks will be leveraged by the developers to speed up the test coverage.

+ **JUnit** : The standard framework for unit testing all our Java applications.

+ **TestNG** : We also use TestNG to cover other categories of tests.

+ **Mockito** : Being a downstream application, we use this framework for creating mock objects for testing purposes when we are not able to engage upstream for testing..

+ **MockMVC** : We are also using this testing framework for Java and Groovy applications.

**Integration Testing Frameworks:** Here are the integration testing frameworks that we use in our applications. Your knowledge and your ability to learn these frameworks is absolutely essential.

+ **Spring Test** : Provides integration testing support for Spring applications.

+ **Testcontainers** : Provides throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

+ **WireMock** : A simulator for HTTP-based APIs, useful for integration testing.

+ **Cucumber** : Supports Behavior-Driven Development (BDD) and can be used for writing integration tests in a natural language format.

+ **Embedded Kafka** : For running Kafka brokers locally during integration testing.

**Automated Testing Frameworks:** These are the Automated testing frameworks that we use in our applications. Your knowledge and your ability to learn these frameworks is absolutely essential.

+ **Selenium** : Browser automation tool for web application testing.

+ **Cypress** : Fast, easy, and reliable testing for anything that runs in a browser.

+ **RestAssured** : For testing REST APIs.

+ **Gatling** : For performance testing of web applications.

+ **Karate** : A framework for API testing, performance testing, and even UI testing.

**Continuous Integration/Continuous Deployment (CI/CD):** Prior working knowledge in Jenkins and Gitlab are essential. You understanding of other CICD platforms is desirable.

+ **Jenkins** : Extensible open-source CI/CD server.

+ **GitLab CI** : Integrated CI/CD pipelines in GitLab.

+ **CircleCI** : Continuous integration and delivery platform.

+ **Travis CI** : Continuous integration service used to build and test software projects hosted on GitHub.

+ **Argo CD** : Declarative, GitOps continuous delivery tool for Kubernetes.

**Platform Building:** Your experience in the following platform building technologies will enable us to speed up our platform journey.

+ **Infrastructure as Code (** **IaC** **):**

+ **Terraform** : For building, changing, and versioning infrastructure safely and efficiently.

+ **Ansible** : Automation tool for configuration management, application deployment, and task automation.

+ **Kubernetes** : For container orchestration.

+ **Service Mesh:**

+ **Istio** : Open platform to connect, manage, and secure microservices.

+ **Linkerd** : Lightweight service mesh for Kubernetes.

Mentorship and Team Enablement:

+ Conduct workshops and training sessions to enable the team to become proficient in CI/CD practices.

+ Promote a culture of continuous learning and improvement within the team.

+ Provide guidance and support in the adoption of best practices for software development, testing, and deployment.

+ Participating in organizational events like hackathons, demodays etc. and be the catalyst towards the success of those events

Code Review and Quality Assurance:

+ Perform regular code reviews to ensure adherence to best practices and coding standards.

+ Implement and monitor code quality tools such as SonarQube or CodeClimate.

Documentation and Communication:

+ Maintain comprehensive documentation for the development processes, tools, and best practices.

+ Facilitate effective communication within the team and across departments to ensure alignment on goals and objectives.

+ Interact closely for requirements with Business owners and technical teams both within India and across the globe.

+ 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.

What** **you'll** **bring:

+ Bachelor's/Master’s degree in Computer Science, engineering, or related field, with minimum10+ years of experience in software design, development and automated deployments.

+ Have prior experience in delivering highlyscalablelarge scale data processing Java applications.

+ 14+ years of experience in design and development of highly -scalable applications and platform development

+ Hosted & Participated Architecture Review & Design/Code Review events.

+ Hands on System Designing experience.

+ Strong computer science fundamentals: data structures, algorithms, design patterns.

+ Extensive hands-on experience building services using these technologies (Scala, Java, Springboot, Microservices ,NodeJs)

+ Hands-on experience in web technologies like React JS/Angular Js, Java script, Type script, CSS

+ In depth knowledge and Hands-on working experience on Restful web services

+ In depth knowledge and working experience on SOAP web services

+ Good Knowledge in messaging systems: Kafka/RabbitMQ

+ Working knowledge of SQL and NoSQL database technologies.

+ Knowledge on Linux platform

+ Knowledge on unit testing frameworks (Junit, Jest , Spock etc) and code quality control platforms like Sonar

+ Knowledge on cloud platforms any cloud platforms like IAAS/PAAS

+ CI/CD development environments/tools: Git, Maven, Gradle, Docker, Kubernetes, Jenkins, Azure DevOps

+ Experience in implementing Distributed Cache(Redis/Hazlecast)

+ Well-Versed with Logging and Metrics tools and technologies (ELK/Splunk/Grafana)

+ Knowledge in search engines like Lucene/Solr

+ Demonstrated end-to-end ownership for development and design of least one cloud based project.

+ Strong hands on development skills to prototype technical solutions.

+ Strong desire to drive change, and ability to adapt to change quickly. Willing to learn new and emerging technologies.

+ Exceptional communication and interpersonal skills - including negotiation, facilitation, and consensus building skills; ability to influence and persuade, without direct control.

+ Practitioner of Agile (Scrum) methodology

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. Were a team of software engineers, data scientists, cybersecurity experts and service professionals within the worlds 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.

Walmarts culture is a competitive advantage, and its fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed. We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.

Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey.

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 unique styles, experiences, identities, ideas and opinions while being welcoming 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 (https://bit.ly/3iOOb1J) .

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The annual salary range for this position is $110,000.00-$220,000.00

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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 and5 years’ experience in software engineering or related area.

Option 2: 7 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, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area., 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...

2501 Se J St, Ste A, Bentonville, AR 72716-3724, United States of America

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, abilities, ideas and opinions- while being inclusive of all people.