Python Backend
Capgemini
Layer
Technologies
Language
Python 3.11+
API Frameworks
FastAPI (primary), Flask
Data Validation
Pydantic v2
HTTP Client
httpx (async)
Relational DB
PostgreSQL (SQLAlchemy 2.x async, Alembic)
Systems of Record
Oracle, Trino/Starburst, legacy Denodo (retiring)
Caching
Redis (CDC-driven invalidation)
Streaming
Kafka (async)
API Gateway
Kong, JWT auth
Platform
Rancher K8s on OpenStack → migrating to GCP
CI/CD
GitLab CI
Observability
OpenTelemetry → Datadog