XPT Software Australia→
Senior .Net Developer at XPT Software… · Sydney
ExperiencedOn-siteContractSydney, New South Wales, AU
Skills
c#.net.net 8oracle sqlpl/sqlasynchronous programmingmultithreadingevent-driven systemsperformance tuningtransaction managementconcurrency controlsynchronizationrace conditionstimeoutsretriesfailure recoverydebuggingroot-cause analysisproblem solvingindependenceownershipsystem thinkingcuriositymethodical approachevidence-driven mindsetclear communicationattention to detailhtml5javascripttypescriptcssvue 3
Job Description
Senior Software Developer
We are seeking a highly technical, hands-on developer to modernise complex, time-critical applications supporting energy market operations.
What we need
- Strong backend development experience with C# and modern .NET, preferably .NET 8 or later.
- Advanced Oracle SQL and PL/SQL skills, including performance tuning, transactions, locking and concurrency.
- Experience with asynchronous, multithreaded, scheduled or event-driven systems.
- Strong understanding of synchronisation, race conditions, timeouts, retries and failure recovery.
- Ability to troubleshoot across application code, databases, services, configuration, scripts and infrastructure.
- Experience modernising legacy systems while preserving existing business rules and processing outcomes.
- Strong debugging, root-cause analysis capabilities.
- Frontend experience with HTML5, JavaScript/TypeScript, CSS and Vue 3 is beneficial.
The right candidate
- Remains actively hands-on and enjoys solving difficult technical problems.
- Can work independently and take ownership from investigation through to resolution.
- Thinks beyond individual components and understands end-to-end system behaviour.
- Is curious, methodical and evidence-driven.
- Communicates complex technical findings clearly.
- Values maintainability, reliability, performance, observability and testability.