I'm Lavanya Galli, a Python Full Stack Engineer with 5+ years of experience building secure, scalable backend systems across financial and enterprise cloud environments at Microsoft and Citibank. I specialize in delivering robust, event-driven microservices and full-stack applications that integrate with modern cloud services and enterprise platforms. I enjoy crafting end-to-end solutions using Python (FastAPI, Flask), Azure Functions, Kafka-based streaming architectures, and frontend work with React.js, TypeScript, and Redux Toolkit. I thrive in multi-tenant, security-conscious environments and emphasize observable, reliable delivery with real-time capabilities and strong CI/CD practices.…

Lavanya Galli

I'm Lavanya Galli, a Python Full Stack Engineer with 5+ years of experience building secure, scalable backend systems across financial and enterprise cloud environments at Microsoft and Citibank. I specialize in delivering robust, event-driven microservices and full-stack applications that integrate with modern cloud services and enterprise platforms. I enjoy crafting end-to-end solutions using Python (FastAPI, Flask), Azure Functions, Kafka-based streaming architectures, and frontend work with React.js, TypeScript, and Redux Toolkit. I thrive in multi-tenant, security-conscious environments and emphasize observable, reliable delivery with real-time capabilities and strong CI/CD practices.…

Available to hire

I’m Lavanya Galli, a Python Full Stack Engineer with 5+ years of experience building secure, scalable backend systems across financial and enterprise cloud environments at Microsoft and Citibank. I specialize in delivering robust, event-driven microservices and full-stack applications that integrate with modern cloud services and enterprise platforms.

I enjoy crafting end-to-end solutions using Python (FastAPI, Flask), Azure Functions, Kafka-based streaming architectures, and frontend work with React.js, TypeScript, and Redux Toolkit. I thrive in multi-tenant, security-conscious environments and emphasize observable, reliable delivery with real-time capabilities and strong CI/CD practices.

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Experience Level

Expert
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Language

English
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Work Experience

Python Full Stack Engineer at Microsoft
April 1, 2025 - Present
Designed and developed backend microservices using Python (FastAPI) + Azure Functions to enable users to create, schedule, and run AI-powered workflows that interact with Microsoft 365, Teams, SharePoint, and external APIs. Built a modular workflow orchestration engine leveraging Azure Durable Functions and Logic Apps, supporting parallel steps, retries, state persistence, and event-driven triggers across complex user-defined pipelines. Integrated Copilot and Microsoft Graph APIs to automate tasks (email drafting, document summarization, meeting scheduling), increasing workflow automation success rates. Developed a full-stack UI using React.js, TypeScript, Redux Toolkit with drag-and-drop workflow builders, dynamic node linking, validation layers, and real-time execution status via WebSockets. Implemented secure tenant-aware data storage using Azure Cosmos DB with partitioning, indexing, and RBAC policies. Built event-streaming integrations using Azure Service Bus + Event Hub for real-
Python Developer at Citibank - INDIA
January 1, 2020 - November 30, 2024
Developed real-time fraud detection microservices using Python (FastAPI) with sub-120 ms latency powering transaction scoring for millions of daily Citi credit card, UPI, and wire transfers. Implemented streaming pipelines with Apache Kafka + Kafka Streams to ingest transaction events (geo-location, merchant type, device fingerprinting) for sub-second risk evaluation across multiple regions. Built rule-based and ML-enhanced decision layers (XGBoost) reducing false positives by 23% and improving detection accuracy by 31%. Designed scalable feature generation workflows using Redis + PostgreSQL, computing real-time features like transaction velocity and device history in under 20 ms. Integrated fraud-scoring APIs with Citi core banking systems via REST + gRPC, and developed asynchronous batch-processing modules using Celery + RabbitMQ. Deployed on Kubernetes/OpenShift with auto-scaling and 99.99% uptime. Created monitoring dashboards with Prometheus + Grafana and collaborated with Complia

Education

Master in computer and information sciences at Saint Louis University
January 11, 2030 - December 23, 2025

Qualifications

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Industry Experience

Software & Internet, Financial Services, Professional Services