Java Backend Engineer Microservices

Job Type: W-2, 1099, C2C Client: To Be Discussed Later Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other Job Description: We are looking for an experienced Java Backend Engineer to design, develop, and maintain highly available, secure, and scalable microservices supporting healthcare data exchange and platform capabilities. The ideal candidate should have strong hands-on experience with Java/JEE, Spring Boot, Node.js, RESTful APIs, Apache Kafka, and CI/CD, along with knowledge of DevOps, application security, and infrastructure automation.

Key Responsibilities: Design, develop, and maintain backend microservices using Java/JEE, Spring Boot, and Node.js. Develop secure, scalable, high-performance, and resilient RESTful APIs. Implement event-driven architectures using Apache Kafka, including producers, consumers, schema evolution, partitioning, and consumer groups. Work with JSON for data modeling, validation, versioning, and backward compatibility. Build and maintain CI/CD pipelines covering unit testing, integration testing, static analysis, and deployment automation. Integrate security controls such as SAST, DAST, dependency scanning, image scanning, and secrets management. Apply 12-Factor Application Principles, Infrastructure as Code (IaC), and configuration management best practices. Collaborate with Product, Architecture, Security, and DevOps teams to deliver reliable backend solutions. Ensure application performance, security, availability, and compliance across healthcare integrations.

Required Skills: Strong experience in Java/JEE and Spring Boot. Hands-on experience with Node.js. Strong knowledge of RESTful API development and integration. Experience with Apache Kafka and event-driven architecture. Strong understanding of JSON, data validation, and versioning. Experience with CI/CD pipelines and DevOps practices. Knowledge of application security practices, including SAST and DAST. Understanding of 12-Factor Application Principles. Experience with Infrastructure as Code (IaC) and Configuration Management We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.