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Smart Sourcer Limited·City of London (EC1)

Senior C# Engineer - Agentic Engineering, .NET 9, AWS Lamba & SQS

Outside IR35 · per clientOn-site
This role is intended to be outside IR35.
Smart Sourcer Limited (client)· stated 23 Jun 2026

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About the role

Senior C# Engineer - Agentic Engineering, .NET 9, AWS Lamba & SQS Smart Sourcer Limited City of London (EC1) From £750 to £800 per day Senior C# Engineer (AI-Native & Agentic Engineering) .NET 8/9, AWS Lambda/SQS OUTSIDE IR35 * Strong authority in AWS serverless: Lambda-first, with hands-on experience across API Gateway, SQS, Step Functions, EventBridge and IAM. * Proven ability to design event-driven systems with SQS: idempotency, retries, ordering, DLQs and operational robu

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