Senior Full Stack Java Developer

Salary: $139,360 - 149,760 per year Requirements:

• 7+ years of hands-on experience with Java, J2EE, the Spring Framework, Spring Web Services, and Spring Boot microservices.
• Comprehensive expertise across full project life cycle implementation, including back-end Java microservices and front-end React JS development.
• Strong hands-on experience with Core Java, Spring IOC, REST APIs, and JUnit testing.
• Experience designing responsive interfaces using React JS, Redux (Thunk or Saga), JavaScript, HTML, and CSS.
• Ability to work across Linux and Windows environments.
• Experience querying and managing relational and NoSQL databases, including SQL, MySQL, MongoDB, and Cassandra.
• Familiarity with Maven, Ant, Ivy, Jenkins, and automated delivery pipelines.
• Experience with source control and defect-tracking tools, including JIRA, SVN, Git, and Bitbucket; familiarity with Postman, Altova, SOP API, Xcode, and Strategy Manager.

• Develop and maintain enterprise applications using Java, J2EE, the Spring Framework, Spring Web Services, and Spring Boot microservices.
• Design and implement responsive user interfaces using React JS and related front-end technologies.
• Query and manage data across relational and NoSQL databases.
• Use build and CI/CD tools to support automated delivery pipelines.
• Manage source control and defect tracking using relevant tools.
• Participate in all stages of project implementation, from conception through deployment.

• API
• BitBucket
• CI/CD
• CSS
• Cassandra
• Git
• Support
• JIRA
• JUnit
• Java
• JavaScript
• Jenkins
• Linux
• Maven
• MongoDB
• MySQL
• NoSQL
• Postman
• REST
• React
• Redux
• SQL
• Spring
• Spring Boot
• SVN
• Web
• Windows
• Xcode
• microservices
• Java EE
• Security
• Fullstack

More:

We offer a pay range of $67–$72 per hour, along with medical, dental, and vision insurance; a 401(k) plan; HSA; short- and long-term disability and life insurance; paid sick leave where required; supplemental insurance options; identity theft protection; pet insurance; wellness programs; an employee assistance program; and career development opportunities. Benefit eligibility and terms may vary by employment status, tenure, and work location, and plans may change in accordance with applicable laws. Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. provides technology staffing and workforce solutions to Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We serve IT, engineering, life sciences, clinical, and professional staffing needs, with recruitment operations across North America and Asia. As a certified Minority Business Enterprise, we support organizations in building high-performing teams and professionals in developing rewarding careers. Our certifications include ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II.

last updated 42 week of 2026