.Net Developer

Resolved critical directory traversal security vulnerabilities across the SaaS platform, materially strengthening API security posture and eliminating a high-severity exposure. Refactored client-side secret handling to server-side processing and integrated AWS SSM Parameter Store, eliminating hardcoded credentials across the codebase. Designed and implemented AWS Lambda cold-start optimisation strategies, reducing p95 latency by ~30% and improving overall system responsiveness. Migrated legacy monolithic .NET 4.8 components to a scalable serverless architecture using AWS Lambda and API Gateway, enabling independent scaling per service. Delivered a React-based operational dashboard providing real-time system health monitoring, incident tracking, and CI metrics. Skill set: C#, .NET Core, .NET 8, ASP.NET MVC, Entity Framework, REST APIs, Hang fire, Microservices React, Redux, TypeScript, JavaScript, jQuery, HTML5, CSS3, Razor Views Lambda, S3, API Gateway, EC2, CloudFormation, Terrafo...