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Peak Performers Logo

Full Stack Java Developer III

Peak Performers

From $80
Sep 18, 2025
Allentown, PA, US
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National energy company seeks a remote Full Stack Java Developer III to design, develop, and deliver full-stack applications using modern frameworks and cloud technologies, contributing to continuous integration, testing, and deployment efforts.

Requirements

  • Proficiency in Java, ReactJS, JavaScript, Python, HTML, and CSS
  • Experience building RESTful APIs and integrating third-party services (Postman, SoapUI, Fiddler)
  • Strong background with CI/CD practices and Azure DevOps pipelines (including YAML)
  • Experience with Azure services such as App Services, Azure Functions, Event Hub, Service Bus, Blob Storage, Cosmos DB, and Azure SQL
  • Solid understanding of relational databases, SQL tuning, indexing, and query optimization
  • Strong grasp of SOLID design principles and secure coding practices
  • Experience with unit, integration, and load testing frameworks (Jasmine, Karma, XUnit, JMeter)

Responsibilities

  • Design, develop, and maintain full-stack web applications using Java, ReactJS, JavaScript, Python, HTML, and CSS.
  • Build and integrate RESTful web APIs and third-party services, utilizing tools such as Postman, SoapUI, and Fiddler.
  • Implement CI/CD pipelines within Azure DevOps and contribute to Agile (Scrum) development processes.
  • Develop and deploy solutions using Azure services, including App Services, Azure Functions, and related serverless compute offerings.
  • Conduct performance analysis, capacity planning, and troubleshooting for large-scale distributed systems.
  • Write and maintain automated unit, integration, and load tests using frameworks such as Jasmine, Karma, XUnit, and JMeter.
  • Perform version control and code management using Git or similar tools.

Other

  • 5+ years of hands-on full-stack development experience, with recent roles focused primarily on writing code
  • Familiarity with Agile (Scrum) development environments
  • Strong analytical, troubleshooting, and problem-solving abilities
  • Ability to understand complex system architectures and work across multiple teams
  • Excellent communication, collaboration, and facilitation skills