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Hallmark Global Technologies Inc Logo
Full Stack Java Developer

Hallmark Global Technologies Inc

 

San Leandro, CA, USA

Posted On: 15+ days ago
Experience: 5+ years
Availability: Hybrid
Openings: 1
Category: Full Stack Java Developer
Tenure: Contract - Corp-to-Corp
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Description

You will design and develop responsive Single Page Applications using React and build secure backend microservices with Java and Spring Boot.

This role is on-site.

Responsibilities

  • Build modern SPAs using React (Hooks, Context API, Redux) with reusable components in JavaScript/TypeScript.
  • Design and develop Spring Boot microservices, implementing business logic with Java 8/11/17+ and Spring Data JPA.
  • Integrate frontend applications with backend APIs using REST/JSON and secure endpoints with OAuth2/JWT.
  • Write unit and integration tests using JUnit, Mockito, Jest, and Enzyme to ensure code quality.
  • Participate in CI/CD pipelines using Maven, Jenkins, or Azure DevOps and collaborate in Agile/Scrum teams.

Required Skills

  • 5+ years of experience in full stack development.
  • Strong proficiency in React (v16+/v18), JavaScript, and TypeScript.
  • Solid backend experience with Java, Spring Boot, and Microservices architecture.
  • Hands-on experience with HTML5, CSS3, and REST API design.
  • Experience with relational databases such as PostgreSQL, Oracle, or MySQL.
  • Proficiency with Git, build tools, and CI/CD pipelines.
  • Ability to optimize UI performance through lazy loading and efficient state management.

Preferred Skills

  • Experience with Docker, Kubernetes, or cloud platforms (AWS, Azure, GCP).
  • Exposure to Kafka or event-driven architectures.
  • Experience in Banking, Financial Services, or regulated domains.

Education

Any Gradute

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