Senior C#/.NET Engineer (Blazor) - Freelance Contract
Location: Limerick, Ireland (Hybrid - 4 days onsite)
Contract: 6 months (likely extension)
Rate: c. €500 daily (dependant on experience)
Start Date: (ASAP)
About the role
We're looking for a senior engineer strong in C#/.NET who enjoys building high-performance Blazor applications and reliable backend services.
You'll be working on a self-hosted SPA built in Blazor with Redux.NET, plus workflow-heavy services using state machines (Stateless).
If you like solving real system problems - not just building screens - this is a good one.
Must-have
10+ years' commercial experience in software engineering
Expert-level C#/.NET (async/await, CancellationToken, IAsyncEnumerable)
Strong concurrency/threading knowledge and performance mindset
ASP.NET Core (APIs, background services)
Blazor (Server and/or WASM)
State management experience (ideally Redux.NET)
Workflow/state machine experience (ideally Stateless)
Comfortable reading/debugging C++ when issues cross boundaries
Experience in complex systems (device integration, multi-service environments)
Nice-to-have
Stronger C++ beyond debugging
Docker / self-hosted deployments
Device comms: MQTT, USB/Serial, CAN
Regulated development exposure (e.g. IEC 62304 / ISO 13485), testing/traceability
Practical details
Hybrid: 4 days onsite (Limerick) - Not negotiable.
Contract: 6 months, extension likely if delivery stays on track
Interview process: typically 1-2 stages (screen + technical)
Please click to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement.
To find out more about Real, please visit
Real Staffing, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales