https://jobs.co.uk/job/senior-c-engineer-net-89-aws-lambda-sqs-sns-outside-ir35-smart-sourcer-limited--974932b0-1e67-4aea-9f70-3c2044ea5ccc RSS feed for Senior C# Engineer .NET 8/9, AWS Lambda, SQS, SNS Outside IR35 at Smart Sourcer Limited. en-gb Thu, 02 Jul 2026 23:49:19 GMT https://jobs.co.uk/job/senior-c-engineer-net-89-aws-lambda-sqs-sns-outside-ir35-smart-sourcer-limited--974932b0-1e67-4aea-9f70-3c2044ea5ccc https://jobs.co.uk/job/senior-c-engineer-net-89-aws-lambda-sqs-sns-outside-ir35-smart-sourcer-limited--974932b0-1e67-4aea-9f70-3c2044ea5ccc Wed, 01 Jul 2026 23:00:00 GMT Location: City of London | Salary: From £700 to £800 per day | Type: Contract | Senior C# Engineer .NET 8/9, AWS Lambda, SQS, SNS OUTSIDE IR35 £700£800/day 100% Remote 11-month rolling contract Takeaway: Lead the architecture and build of a greenfield SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET engineering , high-performance distributed systems , and real-world AWS serverless delivery . Youll also have the opportunity to develop han... Contract