XPT Software Australia Pty Ltd | ContractSenior .
Net DeveloperSydney, Australia | Posted on 08/20/2026XPT SoftwareAustralia PTY Ltd, incorporated in ****, is a Software Services companyXPT works with topclients across Australia in Banking, Insurance, Telecom,Retail, Energy, Mining and Manufacturingdomains.We have 120+technocrats in Australia working at our clientlocations.
XPT SoftwareAustralia is part of group companies which has globalpresence across India & Europe.We have served100+ clients globally, fulfilling their onsite-offshoreneeds.Job DescriptionSenior Software DeveloperWe are seeking a highly technical, hands-ondeveloper to modernise complex, time-critical applications supporting energymarket operations.What we needStrong backend developmentexperience with C# and modern .
NET, preferably .
NET 8 or later.Advanced Oracle SQL andPL/SQL skills, including performance tuning, transactions, locking andconcurrency.Experience withasynchronous, multithreaded,



scheduled or event-driven systems.Solid understanding ofsynchronisation, race conditions, timeouts, retries and failure recovery.Ability to troubleshootacross application code, databases, services, configuration, scripts andinfrastructure.Experience modernisinglegacy systems while preserving existing business rules and processingoutcomes.The right candidateRemains actively hands-onand enjoys solving difficult technical problems.Can work independently andtake ownership from investigation through to resolution.Thinks beyond individualcomponents and understands end-to-end system behaviour.Is curious, methodical andevidence-driven.Communicates complextechnical findings clearly.Values maintainability,reliability, performance, observability and testability.
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📌 Senior .Net Developer (New South Wales)
🏢 Xpt Software Australia
📍 New South Wales