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# Java Developer - Client Portal

- **Company:** NPAworldwide
- **Location:** Stamford, CT, United States
- **Experience:** Expert
- **Salary:** $180,000.0 - $220,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Cloud Computing, Spring Framework, Junit, Regression Testing, Software Engineering, WebSocket, WebRTC, Vert.x, Backend, Git, Information Technology, Restful APIs, Software Version Control
- **Published:** September 16, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2974309138-2

## About the Role

Which skills are required:

 * Bachelor's or Master's degree in Computer Science or a related field.
 * Proven experience as a Java Developer with expertise in Java, Spring, Vert.x
 * Proficiency in using Git version control for code management and collaboration.
 * Strong command of RESTful web services and experience in designing and implementing them.
 * Experience with JUnit or other testing frameworks for writing unit and integration tests.
 * Solid understanding of software development principles and best practices.
 * Experience with WebSockets and real-time communication in a Java-based environment
 * Strong problem-solving skills and the ability to work independently and within a team.
 * Excellent communication skills and a collaborative mindset.
 * Continuous learning and staying up-to-date with the industry
 * Familiarity with cloud technologies (e.g., AWS) is a plus.
 * Previous experience with agile development methodologies is a plus.

To be successful in this position, you will have the following:

 * Self-motivated and able to handle tasks with minimal supervision.
 * Superb analytical and problem-solving skills.
 * Excellent collaboration and communication (Verbal and written) skills.
 * Outstanding organizational and time management skills., * Bachelor's or Master's degree in Computer Science or a related field.
 * Proven experience as a Java Developer with expertise in Java, Spring, Vert.x
 * Proficiency in using Git version control for code management and collaboration.
 * Strong command of RESTful web services and experience in designing and implementing them.
 * Experience with JUnit or other testing frameworks for writing unit and integration tests.
 * Solid understanding of software development principles and best practices.
 * Experience with WebSockets and real-time communication in a Java-based environment
 * Strong problem-solving skills and the ability to work independently and within a team.
 * Excellent communication skills and a collaborative mindset.
 * Continuous learning and staying up-to-date with the industry
 * Familiarity with cloud technologies (e.g., AWS) is a plus.
 * Previous experience with agile development methodologies is a plus.

To be successful in this position, you will have the following:

 * Self-motivated and able to handle tasks with minimal supervision.
 * Superb analytical and problem-solving skills.
 * Excellent collaboration and communication (Verbal and written) skills.
 * Outstanding organizational and time management skills.

## Description

The successful candidate will help design, develop, and maintain our Web API platform, which currently provides third Parties, clients, and our client-facing applications with access to highly critical, real-time services required for day-to-day operations. As a member of the Web PI team, you will help shape the platform's future and have numerous opportunities for growth.

What will be your responsibilities:

 * You will work with business and internal teams, adding new features and interfaces as required.
 * You will write documentation units and regression tests for new interfaces.
 * You will write backend services and/or clients that will help expose internal services.
 * You will provide third-level support.