Backend Developer And Data Engineer
Freelancer
Jul 2025 - Current (1 year 4 months)
• Architected end-to-end solutions on AWS, building automated ETL
pipelines and scalable FastAPI backends to transform raw data into
actionable business intelligence.
• Developed autonomous AI agents using LangGraph and LangChain,
implementing stateful workflows and "self-healing" SQL generation to
automate complex client tasks.
• Designed real-time observability dashboards in Grafana, providing
clients with deep visibility into both system performance and AI model
accuracy.
• Built and optimized data-driven APIs using Python and SQL, ensuring
high-speed data delivery and seamless integration with Generative AI
features.
• Streamlined deployment via Docker, containerizing complex A