Job Description

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, Type Script, Java Script, jQuery, HTML5, CSS3, Razor Views

Lambda,
S3, API Gateway, EC2, Cloud Formation, Terraform, Event Bridge, SQS, Bedrock,

Comprehend, SSM Parameter Store

Minimum

Years of Experience 8+

📌 Net Developer Mackay
🏢 XPT Software Australia Pty
📍 Mackay