✅ Python with FastAPI (CRITICAL)

✅ MongoDB + Motor (async operations)

✅ Redis for distributed caching

✅ Microservices architecture

✅ RabbitMQ/Redis for messaging

✅ Advanced Docker skills

✅ Prometheus + Grafana for monitoring

Services to Maintain:

Voice Agent Service (Twilio + OpenAI)

WhatsApp Service (Meta Business API)

Flow Engine (LangFlow integration)

Knowledge Base (ChromaDB + embeddings)

Credit Manager (billing & subscriptions)

Integration Hub (CRM connections)

Responsibilities:

Microservices development and maintenance

External API integrations implementation

Performance and scalability optimization

Queue and messaging systems implementation

Monitoring and observability

Required Experience:

4+ years in backend development

Proven experience with microservices

Knowledge of distributed design patterns

Experience with third-party APIs (Twilio, WhatsApp, etc.)