Demo

Senior Full Stack Java Developer

Cynet Systems
Jersey, NJ Contractor
POSTED ON 9/25/2026
AVAILABLE BEFORE 10/25/2026
We are looking for Senior Full Stack Java Developer for our client in Jersey City, NJ

Job Title: Senior Full Stack Java Developer

Job Location: Jersey City, NJ

Job Type: Contract

Pay Range: $50.00hr - $55.00hr

Job Overview:

The organization is seeking a skilled Full Stack Developer with a strong background in both back-end and front-end development, with extensive experience in Java 8, Spring Boot, and Angular. The candidate will be responsible for developing and maintaining high-performance applications, ensuring security and scalability, and collaborating with cross-functional teams to deliver high-quality software solutions.

Key Responsibilities:

  • Design, develop, and maintain applications using Spring Boot and Java 8/21.
  • Develop and maintain web applications using Angular.
  • Leveraging core Spring Boot for building customized APIs.
  • Collaborate with UX/UI designers to implement design into the code.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Ensure the performance, quality, and responsiveness of applications.
  • Identify and correct bottlenecks and fix bugs.
  • Write clean, maintainable, and efficient code.
  • Optimize applications for maximum speed and scalability.
  • Ensure the technical feasibility of UI/UX designs.
  • Participate in code reviews and provide constructive feedback.
  • Stay up-to-date with the latest industry trends and technologies.

Required Qualifications:

  • Strong proficiency in Java 8/21.
  • Hands-on experience with Spring Boot framework.
  • Experience with RESTful APIs and web services.
  • Strong proficiency in Angular (version 16.x preferred).
  • Experience with Angular Material and CDK.
  • Proficiency in TypeScript, JavaScript, HTML, and CSS.
  • Experience with RxJS and reactive programming.
  • Familiarity with front-end build tools and task runners (e.g., Webpack, Angular CLI).
  • Knowledge of database systems and SQL or MySQL.
  • Basic understanding of DevOps practices, including Docker and Kubernetes.
  • Strong problem-solving skills and attention to detail.
  • Strong verbal and written communication skills.

Preferred Qualifications:

  • Experience with microservices architecture.
  • Familiarity with cloud platforms, preferably AWS.
  • Understanding of security best practices in application development.
  • Experience with Kubernetes, preferably in EKS on AWS.
  • Familiarity with OAuth2 and OpenID Connect for authentication.
  • Knowledge of OpenTelemetry for observability.
  • Experience with linting and code quality tools (e.g., ESLint, Stylelint).
  • Familiarity with continuous integration and deployment (CI/CD) pipelines.
  • Experience with performance optimization and debugging.
  • Knowledge of state management libraries (e.g., NgRx).
  • Experience with version control systems (e.g., Git).
  • Experience with unit testing frameworks (e.g., Jasmine, Karma).
  • Understanding of Agile methodologies.
  • Experience with additional libraries and frameworks such as Bootstrap, ngx-bootstrap, and ag-Grid.

====

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.

Salary : $50 - $55

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