Senior .Net 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.

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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