Principal Software Engineer - Java

Job Description

About Us:

Persivia / Soliton Technologies is a global leader in AI-driven population health, chronic care management, clinical quality and real-time healthcare intelligence, with operations in Boston, Riyadh and Lahore. Our AI platform powers national-scale health transformation initiatives, real-time clinical decision support, VBC performance and digital-first care delivery.

About The Role

We are looking for a highly skilled Principal Software Engineer with strong expertise in backend (Java/Spring Boot, Microservices, Kafka) and frontend (Angular) development. The ideal candidate will be experienced in designing, developing and deploying scalable, high-performance applications within a microservices architecture preferably in the healthcare domain.

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 layers 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.
  
  

Requirements Skills & Experience

• Core Java (JDK 11+ preferred JDK 21)
• Spring Boot / Spring Framework (REST, Security, Data, Cloud etc.)
• Microservices architecture and containerization (Docker/Kubernetes)
• Apache Kafka (Producer/Consumer, Streams, Schema Registry, Offset Management)
• Angular 13+, TypeScript, HTML5, CSS3, Bootstrap/Material
• Multithreading and Concurrency
• Database expertise: Cassandra / SQL / MongoDB
• Application servers: JBoss, WildFly or Tomcat
• Version control: Git, Bitbucket
• Build & CI/CD tools: Maven/Gradle, Jenkins, SonarQube
• Cloud platforms (preferred): AWS / Azure / GCP (for deployment and messaging)
• Testing frameworks: JUnit, Mockito, REST Assured, Postman
• API documentation: Swagger / OpenAPI
• Agile/Scrum practices (experience as a Scrum practitioner is a plus)
  
  

Preferred Qualifications

• Bachelor’s/Master’s degree in Computer Science or Software Engineering
• 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
• Understanding of Distributed Systems Design, Resilience and Fault Tolerance
• Experience with message-driven architectures and event sourcing
  
  

Nice to Have

• Certification in Java, Spring or Cloud platforms
• Exposure to Data Streaming, ETL or Batch Processing systems
  
  

What We Offer

• Tax-free, remittance-based salary structure.
• Opportunity to work on cutting-edge HealthTech solutions impacting global healthcare.
• Collaborative and innovative work environment.
• Continuous learning and professional development opportunities.
• Exposure to international teams and large-scale data platforms.
  
  

Role Code: #ST25Q4PSE