Sr. Java Engineer

Senior Java Integration Engineer

Location: Onsite 2 days per month in Long Island City, NY
Job Type: Direct Hire

We are seeking a Senior Java Integration Engineer to lead the design, development, and integration of enterprise-grade applications and real-time data services. This role requires deep expertise in Java, distributed systems, and real-time streaming architectures
.

KSQL and real-time streaming experience are required.

Experience with
Microsoft Fabric is a substantial plus (Power BI is not required for this role).

You will collaborate closely with architecture, data, and business stakeholders to build scalable, event-driven solutions that power mission-critical business processes.

• Design, develop, test, and document enterprise applications using Java technologies (J2EE, Spring Boot, Spring Cloud, Spring MVC).

• Design and implement real-time streaming data pipelines and event-driven architectures
  .

• Develop and maintain streaming integrations using KSQL (required).

• Build asynchronous workflows and integrate with workflow engines and/or ESB platforms.

• Translate architectural decisions into scalable, production-ready code.

• Lead and participate in code reviews to ensure high-quality, maintainable software.

• Troubleshoot system and streaming pipeline issues, identify root causes, and implement sustainable solutions.

• Collaborate with cross-functional stakeholders to define technical specifications and delivery timelines.

• Ensure compliance with audit, security, and regulatory standards.

• Provide technical mentorship to onshore and offshore development teams.

• Contribute to continuous improvement of engineering standards and best practices.

• Bachelor’s degree in Computer Science, Computer Engineering, or related discipline.

• 5+ years of experience with Java technologies including:

  • Java, J2EE

  • Spring, Spring Boot, Spring Cloud

  • JDBC

• Strong understanding of multi-threading and concurrency in Java
  .

• Hands-on experience with KSQL (required).

• Proven experience building and supporting real-time streaming solutions (required) — such as event-driven systems, stream processing, or distributed messaging architectures.

• Experience with RESTful services, JSON, XML, SOAP web services.

• Solid knowledge of microservices architecture, object-oriented design patterns, and messaging systems.

• Experience across full development lifecycle (design, development, testing, deployment, post-production support).

• Ability to travel up to 35% as needed.

• Must be able to pass a 10-year background check and pre-employment drug test.

• Legally authorized to work in the U.S. (H1B sponsorship available).

• Experience with
  Microsoft Fabric (strongly preferred).

• Cloud platform certifications (Azure, AWS, or GCP).

• Experience with Azure services such as Cosmos DB, Blob Storage, APIM, App Services, AKS, and Service Bus.

• Experience with OAuth and LDAP authentication frameworks.

• Experience with Docker and container orchestration (Kubernetes, Docker Swarm).

Equal Employment Opportunity Statement
Gravity IT Resources is an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees and applicants. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, veteran status, or any other legally protected characteristic. All employment decisions are based on qualifications, merit, and business needs.