Raditya WibhawaBackend Developer.

Results-driven Backend Developer with proven expertise in architecting scalable, enterprise-level applications using Java (Spring Boot, Quarkus), Node.js (NestJS), and Python (Flask). Skilled in designing RESTful APIs, implementing microservices architecture, and optimizing database performance to deliver robust and efficient backend solutions.

Backend services shipped

20+

RESTful APIs designed

50+

API performance gain

65%

Years of experience

2+

1. Java Software Engineer

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   Mandiri Inhealth

   Current

   Feb 2026 — Present

   • Designed and implemented 15+ RESTful API endpoints for claim processing workflows including admission, daily monitoring, discharge, cancellation, and status updates for both inpatient and outpatient services.
   • Built complex business logic for claim status mapping and routing based on approval status codes with automated workflow orchestration.
   • Created 2 scheduled jobs using Quartz Scheduler for automated claim processing and document upload synchronization with configurable intervals — reducing manual intervention by 100%.
   • Built admission and periodic claim data enrichers to process healthcare claims with proper data type conversions and validation logic.
   • Implemented robust error handling for missing or invalid data scenarios in claim processing workflows, ensuring data integrity across admission and billing operations.

2. Backend Developer

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   Padepokan 79

   Oct 2023 — Jan 2026

   • Developed and maintained 20+ scalable backend services and microservices using Java (Spring Boot, Quarkus) and Node.js (NestJS, Express.js).
   • Engineered and documented 50+ RESTful APIs to ensure seamless and secure communication between frontend and backend systems.
   • Utilized SQL and NoSQL databases (PostgreSQL, SQL Server, Redis) for efficient data storage, retrieval, and caching — improving API performance up to 65%.
   • Managed CI/CD pipelines (Jenkins), monitored application health and logs on container platforms like OpenShift, and integrated message brokers (ActiveMQ) to support asynchronous operations.

3. Backend Developer

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   Jabar Digital Service (Padepokan 79 Vendor)

   Oct 2025 — Jan 2026

   • Built RESTful APIs for Generator Management System using Flask with MVC architecture. Developed 20+ endpoints with standardized response handling and Swagger documentation, delivered within a 3-month timeline.
   • Implemented JWT authentication with role-based access control (RBAC) for 4 user roles. Integrated bcrypt password hashing and Redis session management — reducing session management overhead by 60% versus database-based sessions.
   • Designed PostgreSQL database schema with SQLAlchemy ORM. Created 13+ data models with soft delete patterns, audit trails, and relational integrity, managing 100+ generator records across West Java.
   • Containerized application using Docker. Implemented system health monitoring and logging infrastructure for production deployment.