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Walmart

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3.9

based on 2.3k Reviews

299 Walmart Jobs

PRINCIPAL, SOFTWARE ENGINEER

Walmart Labs

3.9

based on 2.3k Reviews

14-20 years

Chennai

1 vacancy

PRINCIPAL, SOFTWARE ENGINEER

Walmart

posted 1mon ago

Job Role Insights

Flexible timing

Key skills for the job

Computer Networking Consulting SQL Architecture Engineering Design Linux Administration

+ 2 more

Job Description

Drives the execution of multiple business plans and projects by identifying customer and operational needs; developing and communicating business plans and priorities; removing barriers and obstacles that impact performance; providing resources; identifying performance standards; measuring progress and adjusting performance accordingly; developing contingency plans; and demonstrating adaptability and supporting continuous learning. Provides supervision and development opportunities for associates by selecting and training; mentoring; assigning duties; building a team-based work environment; establishing performance expectations and conducting regular performance evaluations; providing recognition and rewards; coaching for success and improvement; and ensuring diversity awareness. Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity by training and providing direction to others in their use and application; ensuring compliance with them; and utilizing and supporting the Open Door Policy. Ensures business needs are being met by evaluating the ongoing effectiveness of current plans, programs, and initiatives; consulting with business partners, managers, co-workers, or other key stakeholders; soliciting, evaluating, and applying suggestions for improving efficiency and cost-effectiveness; and participating in and supporting community outreach events.

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 the following 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 we'll versed in building REST, Streaming and Batch applications using Java and Spring Boot.
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.
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.
- GCP BigQuery : Serverless big data analytics platform
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.

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.

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:

Bachelors/Master s degree in Computer Science, engineering, or related field, with minimum 10+ years of experience in software design, development and automated deployments.
Have prior experience in delivering highly scalable large 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)
we'll-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. Cross functional collaboration - work with various deaprtments to integrate solutions and meet business needs
Advocacy of Engineering Excellance : Promote best practices in software development and contribute to organization s technical documentataion and guidelines
Practitioner of Agile (Scrum) methodology

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.

Minimum Qualifications...

Minimum Qualifications:Option 1: Bachelors degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years experience in software engineering or related area.
Option 2: 7 years experience in software engineering or related area.

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.

Employment Type: Full Time, Permanent

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