Billu Babu

Lead partner integrations (Electric AI, First Dollar, Letzchat) for a multi-tenant HCM SaaS platform: GraphQL (HotChocolate) & REST APIs, webhooks, Azure Service Bus event sync with idempotent processing. Driving the monolith-to-microservices & Angular micro-frontend migration, tenant-aware AuthN/AuthZ (OAuth2/OIDC, RBAC), Terraform + Azure DevOps IaC. Lead and mentor the team; introduced AI-assisted engineering (Claude, GitHub Copilot).

Full-stack delivery for Inter IKEA, GfK, EWIE and Medical Director on .NET 7, Angular 15 and Azure. Built the IKEA Customer Meeting Point Dimensioning Tool with real-time analysis and interactive visualizations; cut storage latency 30% by tuning Cosmos DB & Blob Storage; designed Azure DevOps CI/CD pipelines with zero-downtime releases (-90% manual deployment effort); built reusable Angular component libraries adopted by 4 teams; set up Application Insights monitoring.

Geo-services platform for a global travel-tech company. Optimized ReactJS interfaces for 35% faster page loads; designed secure .NET 6 APIs and Azure Functions for geolocation and serverless event-driven workflows; reduced post-deployment defects by 40% through monitoring, logging and proactive troubleshooting.

Clients: JCPenney, Ashley Logistics (US). Automated survey and feedback platforms with .NET Core, Angular and Azure Event Grid; improved system performance by 20% via caching, profiling and backend optimization; built RESTful APIs and event-driven workflows for faster, more reliable logistics operations.

Delivered scalable ASP.NET MVC applications for internal project management and governance; built Power BI dashboards for financial reporting and real-time decision making; applied TDD to reach 95% unit-test coverage and reduce post-release defects.

Worked as a full-stack developer using .NET Core, C#, and Angular to design, develop, and deploy scalable web applications. Delivered RESTful APIs, integrated Azure Functions, Cosmos DB, and Service Bus for enterprise clients. Collaborated with cross-functional teams in an Agile environment, focusing on clean architecture, code quality, and DevOps practices using Azure DevOps.

Maintained and enhanced internal WinForms tools and backend systems using .NET (C#) and SQL Server.