Backend Development
• Building RESTful and GraphQL APIs
• Microservices architecture and event-driven systems
• Reactive programming with Spring WebFlux / Project Reactor
• High-performance, non-blocking applications using Node.js
Database Solutions
• SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra, Redis)
• Reactive database handling with R2DBC
• Query optimization and database performance tuning
Enterprise Solutions
• Scalable applications with Spring Boot & Kotlin
• Secure authentication (OAuth2, JWT, Keycloak)
• Cloud deployment (AWS, Google Cloud, Azure)
• Kafka, RabbitMQ, and WebSockets for real-time communication
Full-Stack & Integration
• Integration with front-end frameworks (React, Vue, Angular)
• Serverless functions with AWS Lambda
• CI/CD setup for automated deployment