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Java Full Stack Developer Contractor

Kaygen Inc.

Dallas, TX 75201 • $50.00 to $55.00 / hr • 10/28/2026

Job Description

Job Description
Title:Java Full Stack Developer Contractor
Duration: Through 3/12/27, possible extension
Location: Onsite 2 days a week at any Deloitte office

Summary:
Seeking an experienced Java Full Stack Developers with strong ReactJS expertise to design, build, and maintain enterprise-grade applications for the Edward Jones engagement. The ideal candidate will be proficient across the full stack Java backend, React frontend, APIs, and cloud-native services.

Key Responsibilities
  • Design and develop full stack applications using Java and ReactJS
  • Build and maintain RESTful APIs and microservices using Spring Boot and Spring JPA
  • Develop responsive, accessible frontend components using React and modern JavaScript/TypeScript
  • Integrate with messaging infrastructure Kafka and cloud services on Azure
  • Work with relational databases (MS SQL) and apply sound data modelling practices
  • Follow micro-service architecture patterns and API gateway standards
  • Collaborate with tech leads, product owners, scrum masters, and QA engineers in an agile team
  • Participate in code reviews and contribute to engineering best practices
  • Support CI/CD pipeline integration and DevOps practices
Skills & Experience Required
  • 7+ years of software development experience
  • Strong proficiency in Java, Spring, Spring Boot, Spring JPA, and REST APIs
  • Strong experience with ReactJS and modern front-end development (HTML, CSS, JavaScript, TypeScript)
  • Experience with RESTful API development, API gateways, and integration patterns
  • Working knowledge of Kafka, Kubernetes, MuleSoft, and Azure cloud
  • Experience with MS SQL and general knowledge of cloud best practices
  • Familiarity with micro-service architecture
  • Bachelor's degree in Computer Science, MIS, or related field preferred
  • Financial Services background preferred. ReactJS experience is strongly preferred over other front-end frameworks
Rate: $50 - 55/hour