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XS

Senior .Net Developer

Xpt Software Australia PtyNew South Wales🇦🇺AustraliaPosted 6 Oct 2026

Why This Role Stands Out

This hybrid Senior .Net Developer role offers a fantastic opportunity to modernize critical energy market applications, allowing you to tackle complex technical challenges and develop your expertise in cutting-edge .NET technologies. You'll thrive here if you are a hands-on problem-solver with a keen eye for system-wide behavior, eager to contribute to a reputable company with a focus on reliability and performance. Apply now to leverage your advanced C# and Oracle SQL skills in a role that values your deep technical understanding and offers significant impact.

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
New South Wales, Australia
OraclePL/SQLSQLC#CSS.NETJavaScriptTypeScriptVue

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.

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