Open API Java Developer

Job Description

Job Description

Job Overview:

Pay Range: $55.00hr - $60.00hr

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.

Responsibilities:

• 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.

Nice to Have:

• 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).

Benefits:

Our Benefits Include:

• Medical, Dental, and Vision Insurance
• 401(k) Retirement Plan
• Health Savings Account (HSA)
• Disability Insurance (Short-Term and Long-Term)
• Life and AD&D Insurance
• Paid Sick Leave (where required by applicable state or local law)
• Supplemental Insurance Plans
• Identity Theft Protection
• Pet Insurance
• Employee Wellness Programs
• Employee Assistance Program (EAP)
• Career Growth and Professional Development Opportunities

Disclaimer : Benefits eligibility, accrual rates, and usage limits may vary based on employment status, length of service, and work location. Paid Sick Leave is provided in strict accordance with applicable state and municipal mandates. Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time in accordance with applicable laws.

About Cynet Systems

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading technology staffing and workforce solutions company serving Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.

As a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Our organization is certified to ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality, security, operational excellence, and customer success.