.Net Developer

XPT Software Australia Pty Ltd

Full-time Computer Occupations
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Location
Mulwala, New South Wales, Australia
Posted
June 28, 2026

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 s...