Chandra Dondeti

Developed and maintained high-traffic financial web applications using Python (FastAPI) and React; integrated REST/GraphQL APIs with PostgreSQL, reducing API latency 45% for real-time portfolio tracking. Implemented microservices architecture with Docker and Kubernetes on AWS ECS; enabled zero-downtime deployments and improved scalability for peak trading volumes. Engineered Python conversational AI with RAG (OpenAI/Gemini) for internal insurance and regulatory knowledge, delivering fast, compliant insights to risk/compliance teams and driving measurable cost savings. Designed interactive dashboards with React and Redux for real-time financial insights and increased user engagement. Integrated event-driven messaging with Kafka for asynchronous processing and improved fault tolerance.

Engineered full-stack banking features using Python (Django) and React; developed secure transaction processing and account management modules, improving user satisfaction 30%. Streamlined payment architecture with UI consolidation and concurrent API execution, achieving 6x faster checkout by eliminating sequential dependencies and redundant network calls. Built RESTful APIs and integrated third-party services (payment gateways, credit scoring); redesigned API architecture using asyncio with aiohttp to reduce average API response time from 3-5s to 400-800ms. Orchestrated multi-environment CI/CD pipelines using Jenkins with Docker containerization, deploying applications to AWS ECS while leveraging Amazon ECR as the container image registry, successfully managing automated deployments across 20+ microservices and maintaining 99.9% system uptime. Participated in Agile ceremonies and sprint delivery for digital banking initiatives.

Developed backend services using Python (Flask/Django) and integrated with PostgreSQL; supported enterprise financial applications for global clients. Built and optimized REST APIs; handled high-volume data processing and reduced response times 40% through caching and query optimization. Implemented secure authentication & authorization with OAuth2; ensured compliance with financial data protection standards. Automated testing and deployment workflows; contributed to early CI/CD adoption with Git and Jenkins. Wrote unit/integration tests with PyTest and Jest; achieved 90% code coverage and mentored junior developers on Python best practices and clean architecture.