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# Open API Java Developer

- **Company:** CYNET SYSTEMS INC.
- **Location:** Jacksonville, FL, United States
- **Experience:** Expert
- **Salary:** $114,400.0 - $124,800.0
- **Contract:** Temporary to permanent
- **Skills:** Clean Code Principles, Java (Programming Language), Spring Security, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Performance Management, Unit Testing, Microsoft Azure, Cloud Computing, Software Quality, Code Review, Databases, Continuous Integration, Software Debugging, Monitoring of Systems, Spring Framework, JSON, PostgreSQL, Message Broker, MongoDB, MySQL, NoSQL, OAuth, Performance Tuning, Systems Development Life Cycle, RabbitMQ, Swagger, Software Engineering, SQL Databases, Extensible Markup Language (XML), Openapi, Google Cloud, Enterprise Software Applications, Spring-mvc, Delivery Pipeline, Spring-boot, Apigee, Git, Containerization, Information Technology, Apache Kafka, Api Design, Api Gateway, Software Coding, Restful APIs, Software Version Control, Docker, Microservices
- **Published:** August 26, 2026
- **Apply:** https://www.careerjet.com/jobad/usa2e00493f96dc37103afde553e18b0e1

## About the Role

Requirement/Must Have:

 * Strong proficiency in Java (Java 8 or higher).
 * Hands-on experience with Spring Framework (Spring Boot, Spring REST, Spring Security).
 * Experience designing and implementing RESTful APIs and microservices.
 * Familiarity with OpenAPI/Swagger for API design and documentation.
 * Knowledge of JSON, XML, and API data formats.
 * Experience with version control systems (e.g., Git).
 * Understanding of software development lifecycle (SDLC) and Agile methodologies., * Experience with cloud platforms (AWS, Azure, GCP).
 * Knowledge of containerization tools like Docker and Kubernetes.
 * Experience with API gateways (Apigee, Kong, AWS API Gateway, etc.).
 * Familiarity with message brokers (Kafka, RabbitMQ).
 * Understanding of database technologies (SQL/NoSQL such as MySQL, PostgreSQL, MongoDB).
 * Exposure to performance tuning and monitoring tools.
 * Certification in Java or cloud technologies is a plus.

Skills:

 * Java 8+.
 * Spring Boot.
 * Spring REST.
 * Spring Security.
 * OpenAPI.
 * Swagger.
 * RESTful APIs.
 * Microservices.
 * JSON.
 * XML.
 * Git.
 * Agile.

Qualification And Education:

 * Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)., Java Tech Lead Jacksonville, FL (In-Person Interview) Contract Job Summary Java Full Stack Developer with 12+ years of experience in designing and developing enterprise-s…
 + 7 days ago

## Description

* Design, develop, and maintain RESTful APIs using Java and open standards (e.g., OpenAPI/Swagger).
 * Build scalable backend services using frameworks such as Spring Boot, Spring MVC, or similar.
 * Collaborate with cross-functional teams to define API requirements and specifications.
 * Develop and maintain API documentation using OpenAPI (Swagger) specifications.
 * Ensure APIs are secure, well-tested, and follow best practices in authentication and authorization (OAuth2, JWT, etc.).
 * Optimize application performance and scalability.
 * Integrate APIs with third-party services, microservices, and enterprise systems.
 * Write clean, reusable, and maintainable code following coding standards.
 * Conduct code reviews, unit testing, and debugging to ensure code quality.
 * Participate in CI/CD processes and contribute to deployment pipelines.
 * Troubleshoot and resolve production issues., Role: Role: Java Full Stack Tech Lead Location: Jacksonville, FL(Onsite) Duration: 6 months (can extend) Pay Rate: $60 to $70/Hr on C2C Experience Required: 8-10 Must Have Te…
 + 7 days ago
+


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