Java Developer (W2 only)

ResponsibilitiesDesign and develop RESTful and event-driven microservices using Java 17+ and Spring Boot 3Build and maintain integrations with IoT devices, third-party APIs, and connected platformsImplement messaging pipelines with Kafka or RabbitMQ for real-time data streamingWrite clean, testable code with JUnit, Mockito, and integration test suitesCollaborate with product and DevOps on CI/CD pipelines (Docker, Kubernetes, Helm)Participate in architecture reviews and define best practices for the teamRequired Skills5+ years with Java (Java 17+ preferred) and Spring Boot ecosystemStrong knowledge of Spring Cloud, Spring Security, and Spring Data JPAExperience with Kafka, RabbitMQ, or similar messaging technologiesFamiliarity with OAuth 2.0, JWT, and API security patternsProficient with SQL/NoSQL databases (PostgreSQL, MongoDB, Redis)Hands-on with Docker and Kubernetes in cloud environments (AWS, GCP, or Azure)Nice to HaveExperience with MQTT, AMQP, or CoAP for IoT device communicationKnowledge of OpenAPI / Swagger specification and contract-first designExposure to service mesh (Istio, Linkerd) and observability toolingContributions to open-source Java or Spring Boot projectsCygnus Belief We believe in our commitment to diversity & inclusion.Equal Employment Opportunity Statement Cygnus is an Equal Opportunity Employer. We ensure that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.All our employment decisions are taken without looking into age, race, creed, color, religion, sex, nationality, disability status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status, or any other aspects of employment protected by federal, state, or local law.Applicants for employment in the US must have work authorization & Cygnus does not offer any sponsorship of a visa for employment authorization in the United States.Thanks & RegardsAmit KumarCygnus Professionals3490 US Highway 1Princeton, NJ 08540M: 732 485 0000 Ext 9057 or 609-566-6868 (Direct)F: (888) 900-6979E: amit.k@cygnuspro.comLinkedIn: https://www.linkedin.com/in/amit-kumar-341290137/