Senior Principal Java Developer

We are seeking a highly skilled Principal Software Engineer / Associate Technical Manager with strong expertise in backend (Java, Spring Boot, Microservices, Kafka) and frontend (Angular) development. The ideal candidate will have hands-on experience in designing, developing, and deploying scalable, high-performance applications within a microservices architecture—preferably in the healthcare domain.

Key Responsibilities

• Design and develop scalable, secure, and high-performance backend services using Java 11/21 and Spring Boot.
• Build and maintain RESTful APIs and integrate them with frontend applications and external systems.
• Develop interactive and responsive web interfaces using Angular 13+.
• Implement asynchronous and multithreaded processing for high-throughput applications.
• Work with Kafka for real-time data streaming and event-driven architectures.
• Manage data persistence using Cassandra, SQL Server, or MongoDB.
• Deploy and manage applications on JBoss, WildFly, or Tomcat servers.
• Participate in Agile/Scrum ceremonies and contribute to sprint planning, estimation, and retrospectives.
• Collaborate with cross-functional teams to ensure smooth integration, testing, and delivery.
• Follow best practices for code quality, performance tuning, and security compliance.
• Maintain detailed documentation for architecture, design, and APIs.

Required Skills & Experience

• Core Java (JDK 11+, JDK 21 preferred)
• Database expertise: Cassandra / SQL / MongoDB
• Application servers: JBoss, WildFly, Tomcat
• Version control: Git, Bitbucket
• Build & CI/CD tools: Maven/Gradle, Jenkins, SonarQube
• Cloud platforms (preferred): AWS, Azure, or GCP
• Testing frameworks: JUnit, Mockito, REST Assured, Postman
• API documentation: Swagger / OpenAPI
• Agile/Scrum practices (Scrum practitioner experience is a plus)

Preferred Qualifications

• Experience in Healthcare / Clinical Data Integration (FHIR, HL7, CCD/CCDA)
• Knowledge of security frameworks (OAuth2, JWT, OpenID Connect)
• Experience with Elasticsearch or Cassandra-based analytics
• Familiarity with DevOps pipelines and container orchestration
• Strong understanding of distributed systems, resilience, and fault tolerance
• Experience with message-driven architectures and event sourcing

Soft Skills

• Strong analytical and problem-solving abilities
• Excellent communication and collaboration skills
• Proactive attitude with an ownership mindset
• Ability to quickly learn new tools and technologies

Nice to Have

• Certifications in Java, Spring, or Cloud platforms
• Exposure to data streaming, ETL, or batch processing systems
• Experience with:
• Spring Boot / Spring Framework (REST, Security, Data, Cloud)
• Microservices and containerization (Docker/Kubernetes)
• Apache Kafka (Producer/Consumer, Streams, Schema Registry, Offset Management)
• Angular 13+, TypeScript, HTML5, CSS3, Bootstrap/Material
• Multithreading and concurrency

Job Type: Full-time

Work Location: In person