Technology Stack
Backend
| Technology | Purpose |
|---|---|
| Java 21+ | Primary language |
| Spring Boot 3.x | Application framework |
| Spring Security | AuthN/AuthZ |
| Spring Data JPA / Hibernate | ORM |
| Spring Cloud Gateway | API Gateway |
| Spring Cloud Config | Centralized config |
| Spring Batch | Batch processing |
| Apache Kafka + Avro | Event streaming |
| Redis | Cache, rate limiting |
| MySQL | Transactional store |
| MongoDB | Analytics documents |
| Flyway | Migrations |
| Maven | Build tool |
Frontend
React 18+, TypeScript, Redux Toolkit, Vite
Infrastructure
Docker, Kubernetes, Terraform, AWS (EKS, ECR, RDS, ElastiCache, ALB, Secrets Manager, CloudWatch)
CI/CD & Observability
GitHub Actions, ArgoCD, Prometheus, Grafana, OpenTelemetry, Jaeger