> Markdown version of [/jobs/ext/4639480-00445-sr-java-developer-client-portal](https://www.wearedevelopers.com/jobs/ext/4639480-00445-sr-java-developer-client-portal). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # 00445 Sr Java Developer - Client Portal - **Company:** DATAPATH SEARCH CORP - **Location:** Stamford, CT, United States - **Experience:** Expert - **Salary:** $180,000 - $220,000 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Application Programming Interfaces (APIs), 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, Web Api - **Published:** November 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/00445-sr-java-developer-client-portal-stamford-ct--c1396752-8afb-40b9-9910-2fa74f17d2ad ## About the Role Java, Software Engineering, Java, Software Engineering, Application Programming Interface (API), Documentation, Regression Testing, Software Testing, 3rd Level Support, Computer Science, Which skills are required: * Bachelors or Masters 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 NO CONSULTANTS OR CONTRACTORS NEED TO APPLY! (Only FTE Employees) This is a hybrid role (3 days in the office/2 days remote). About your team: 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 platforms 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.