Software Engineer III

Socket.dev; Herndon (VA); On-site; USD 126,000 - 216,000; Full time

Job summary

Walmart is seeking a Software Engineer III in Herndon, VA to participate in discovery and design, building backend services in Java and creating scalable RESTful APIs. You will collaborate with product, project management, business, and UX teams to deliver robust software.

Responsibilities include implementing code, writing tests, and supporting deployment pipelines with CI/CD, observability tools, and containerized deployments, while ensuring reliability and on-time delivery.

Qualifications

• Must have experience with backend services in Java and OOP principles.
• Designing and implementing RESTful web services and APIs in Java and frameworks.
• Designing scalable backend systems under load with high reliability.

Responsibilities

• Participates in discovery and design with product/UX teams.
• Code and develop components; unit testing and documentation.
• Manage projects from requirements to delivery; communicate status.
• Troubleshoot issues and optimize performance; ensure CI/CD and security.

Skills

Java backend

RESTful APIs

Kafka

SQL

NoSQL (Cassandra Cosmos)

Kubernetes

Git/Maven/Gradle

Jenkins

JavaScript/React/TypeScript

Jest/Cypress

Grafana/Splunk/Istio

JUnit/JMeter

Education

Master's degree in CS/related

Bachelor's degree with 2 years experience

Tools

Git

Maven

Gradle

Jenkins

Kubernetes

Grafana

Splunk

Istio

Cypress

JMeter

Job description

What you'll do...

Position:Software Engineer III

Job Location:2245 Monroe Street, Herndon, VA 20171

Duties:Participatesin the discovery phase of small to medium-sized projects tocome up withhigh level design by partnering with the product management, project management, business, and user experience teams. Troubleshoots business and production issues by gathering information; performing root cause analysis to reduce future issues; engaging support teams to assist in the resolution of issues; developing solutions; driving the development of an action plan; performing actions as designated in the plan; interpreting the results to determine further action; and completing online documentation. Manages small to large-sized complex projects by reviewing project requirements; translating requirements into technical solutions; researching and identifying alternative solutions; determining needed solution based on return on investment and value add to the business; gathering requested information; writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross functional teams; identifying areas of opportunity; interpreting information and identifying a solution; ensuring solution is sustainable across implementation and use; troubleshooting open issues and bug-fixes; and ensuring on-time delivery and hand-offs. Provides support to the business by responding to user questions, concerns, and issues; researching and identifying needed solutions; determining implementation designs; providing guidance regarding implications of new and enhanced systems; identifying short- and long-term solutions; and directing users to appropriate contacts for issues outside of associate's domain. Requirement And Scoping Analysis: Prepare requirement traceability matrix andmaintaintraceability between business requirements, functional requirements,designand test cases. Contribute to the creation of user stories for component/module/simple requirements. Coding: To create/configure minimalistic code for entire component/application and ensure the componentsare meetingbusiness/technical requirements, non-functional requirements, low-maintainability, high-availabilityand high-scalability needs.Assistin the selection ofappropriate languages, developmentstandardsand tools for software coding/configuration. Take initiative to learn the fundamentals of different coding languages and frameworks that would be useful for future scope of work.Build scripts for automation of repetitive and routine tasks in CI/CD, Testing or any other process.Implement telemetry features asrequiredindependently. Ensure security policy requirements are properly applied to components/application during code development/configuration. Testing: To map the customerrequirements into testobjectives.Identifyand create test cases for the component/module. Execute test cases to test the code and detect errors and defects for the entirecomponent. Executedifferent typesof testing usingappropriate testingtools based on the testing needs. Defect Management and Troubleshooting: To track and analyze defects for the component/ module and carry out regression testing to fix defects in all instances of code changes. Analyze defects from past projects/solutions to avoid recurrence of similar defects. Troubleshoot performance and availability bottlenecks for the application DevOps Orientation: To conduct complex maintenance procedures for applications independently. Monitor and evaluate the performance of the application by tracking and analyzingappropriate metrics; Perform maintenance and re-engineering activities. Analyze application logs, maintenance activity data, performance data and provide analysis; Evaluate change requests toidentifythose which are valid andfeasible.

Minimum education and experience required:Master's degree or the equivalent in computer science, computer engineering, computer information systems, software engineering, or related field; OR Bachelor's degree or the equivalent in computer science, computer engineering, computer information systems, software engineering, or related field and 2 years of experience in software engineering or related experience.

Skills required:Must have experience with: Developing backend services using Java and object-oriented programming principles; Designing and implementing RESTful web services and APIs using Java and frameworks; Designing backend systems to scale under load, including handling concurrent requests, optimizing performance and ensuring system reliability; Message-queue systems such as Apache Kafka for asynchronous data processing and inter-service communication; Designing, querying and maintaining relational databases using SQL; Working with NoSQL databases such as Cassandra or Cosmos DB; Working with cloud-based architecture and containerized application deployments using Kubernetes; Using software development and CI/CD tools, including version control systems (Git), build and dependency management tools (Maven, Gradle) and deployment pipelines (Jenkins); Developing Web Applications using JavaScript, React and TypeScript and front end testing using Jest and end-to end testing frameworks like Cypress; Monitoring, logging, and service observability using Grafana for metrics visualization, Splunk for log analysis and operational insights, and Istio Service Mesh for traffic management, service security, and distributed tracing within microservices architectures; Developing unit and integration tests using testing frameworks such as JUnit and performance and load testing using tools such as JMeter.Employerwill accept any amount of experience with the required skills.

Rate of pay: $126,090.00 - 216,000.00/year

Wal-Mart is an Equal Opportunity Employer.

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.