Dotnet Developer

Ampstek

Australia · Contract · Mid-Senior

Job Details:

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, Terraform, EventBridge, SQS, Bedrock, Comprehend, SSM

Parameter Store

Key Skills

Ranked by relevance

aws cloudformation javascript typescript serverless terraform jquery server react html5 saas sqs s3 c

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