Walmart Senior Software Engineer 

United States, California, Sunnyvale 

383070085

Senior Software Engineer

Design and implement architecture for a membership-based application called W+. Plan, design, develop, test, deploy, and support, different components of web applications using MERN (MongoDB, Express JS, ReactJS, Graph QL, Node.js, Kafka, Docker, Kubernetes) technologies. Design efficient Graph QL mutations and queries that can help reduce consumption of user's network bandwidth, device memory and high network calls. Plan, Create, and Maintain scalable collections/tables for non-relational Database such as MongoDB through Sharding and Indexing. Develop a microservice application and host it on the organization's cloud services. Create fast and efficient REST API's that can be consumed by different applications. Write GraphQL resolvers with utility functions that are reusable across different modules of application. ETL (extract, transform and load) raw and unstructured data into meaningful data. Perform different levels of testing such as unit testing, integration testing, e2e testing and regression testing, ensuring the code quality. Offer 24/7 on-call support to any production issues or application failure issues when needed. Attend stake holder meetings to gather business requirements from business users. Collaborate with team to come up with designs and create a plan to implement the features. Integrate the application with messaging services such as Kafka. Create deployment pipelines to deploy and host the web application on secured servers. Provide peer reviews on GitHub to the code developed by other engineers in the team. Develop dynamic email templates that can be customized uniquely for each user based on the payload provided. Investigate production issues and provide Root Cause Analysis as soon as in few minutes/hours.

Master's degree or equivalent in computer science, computer engineering, computer information systems, software engineering, or related area and 1 year of experience in software engineering or related area; Bachelor's degree or equivalent in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years of experience in software engineering or related area.

Experience performing CRUD (Create, Read, Update, and Delete) operations on the mongo DB database by building RESTful API’s using Node.js technology. Experience writing complex mongo DB/No-SQL queries to query large databases and fetch data in quick time and cost-effective ways. Experience creating a stateless application using SAML/Token based authentication. Experience writing automated UNIX shell scripts to load meaningful transformed data to the MongoDB database. Experience designing responsive web pages using technologies including ReactJS, Redux JS, CSS3, SCSS, and HTML5 and render in a user-friendly format. Experience using docker container and Kubernetes for application deployment and maintenance tasks. Experience writing to and consume from different Kafka topics for event-based messaging services. Experience scheduling monitoring jobs including cronjob to track the health of sever instances and alert in case of failures. Experience creating Create and Monitor logging dashboards in Splunk tool and Grafana tool to catch any potential issues.
Employer will accept any amount of experience with the required skills.

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. For information about benefits and eligibility, see One.Walmart.com.