PRAVEEN KUMAAR KASPA

Developed a real-time trade blotter microservice using ASP.NET Core 8, processing over 50,000 equity order events per second via Kafka and enabling sub-100ms end-of-day P&L calculations across 12 trading desks.

Designed and implemented a distributed position-keeping system in C# with CQRS and Event Sourcing on Azure Cosmos DB, ensuring complete auditability and regulatory compliance (MiFID II, Dodd-Frank).

Integrated FIX 4.4/5.0 protocol adapters using QuickFIX/n, enabling straight-through processing and reducing manual intervention for institutional trade flows by 95%.

Built a real-time margin calculation service consuming Bloomberg B-PIPE market data, applying Value at Risk (VaR) models for intraday risk monitoring.

Developed a GraphQL API layer with Hot Chocolate to deliver consolidated portfolio analytics to multiple React dashboards, reducing response payload sizes by 40% compared to legacy REST APIs.

Strengthened code quality by implementing automated regression tests with xUnit and Moq, achieving 85%+ coverage, and incorporating mutation testing (Stryker.NET) to improve test effectiveness.

Led the migration of legacy WCF-based settlement services to gRPC in .NET 7, significantly reducing serialization overhead and retiring multiple SOAP-based dependencies.

Partnered with quantitative analysts to translate pricing models into optimized C# libraries, deployed on Azure Kubernetes Service with autoscaling to handle peak trading volumes.

Built and maintained a high-volume claims adjudication engine using ASP.NET Core 6, processing over 2M claims daily and integrating HIPAA 837/835 EDI standards and HL7 FHIR R4 APIs for real-time eligibility verification.

Developed a React 18 and TypeScript member portal with Redux Toolkit, enabling real-time access to Explanation of Benefits (EOB), which reduced support call volume by 31%.

Designed a scalable provider authorization system using ASP.NET Core Identity with OAuth 2.0/OpenID Connect (Azure AD B2C), supporting secure, role-based access for 18,000+ healthcare providers.

Created an automated prior authorization rules engine using LINQ expression trees and SQL Server, replacing manual workflows and saving approximately 14,000 clinician hours annually.

Improved performance of claims data retrieval by optimizing SQL Server stored procedures and Entity Framework Core queries, reducing average execution time from 4.2 seconds to 340 milliseconds through indexing and query tuning.

Containerized microservices using Docker and deployed on Azure Kubernetes Service (AKS) with Helm, implementing blue-green deployments that reduced production downtime by over 90%.

Integrated Azure Service Bus for asynchronous communication across services, achieving 99.98% message delivery reliability with Splunk monitoring.

Developed and exposed FHIR-compliant REST APIs for third-party payer integrations, successfully meeting ONC certification requirements with no corrective actions.

Designed and developed RESTful APIs using ASP.NET Core 3.1 to streamline multi-step KYC workflows, integrating CKYC registry, PAN validation, and Aadhaar-based OTP authentication to support 10,000+ daily account onboarding requests.

Built responsive and reusable UI components using Angular 11 and TypeScript for document upload, live image capture (WebRTC), and dynamic form validation, reducing onboarding time from 22 minutes to under 10 minutes.

Modeled and managed a normalized database schema in SQL Server 2019 using Entity Framework Core (Code-First approach), ensuring consistent data handling for customer profiles, document storage, and audit tracking across multiple environments.

Strengthened application reliability by writing unit tests with NUnit and Moq, achieving 75%+ coverage across API and service layers, and integrating automated test execution into the Azure DevOps CI pipeline to prevent regressions.

Improved storage efficiency by implementing Azure Blob Storage tiering (hot and cool tiers) along with secure SAS-based access, reducing storage costs by 35% while maintaining compliance with regulatory retention requirements.

Collaborated within a 9-member Agile team, actively contributing to sprint planning, stand-ups, and retrospectives, and resolved over 40 production issues with detailed root cause analysis and documentation.