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2 integration developer jobs found

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integration developer £700 and up
Outside Spy
Jun 17, 2026
Duration not stated
Senior C# Engineer - Agentic & AI Engineering (Claude Code), .Net 8/9, AWS (Lambda, SQS) – OUTSIDE IR35 at Smart Sourcer, United Kingdom, £750-£800 per day
£750 - £800 per day
Outside Spy United Kingdom
Senior C# Engineer – Agentic & AI Engineering (Claude Code), .Net 8/9, AWS (Lambda, SQS) – OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We’re looking for a ‘best of breed’, deeply senior, technically hands‑on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You’ll need a genuinely Product Centric mindset and approach twinned with experience of AI‑Native Engineering and Agentic Workflows . Skills We’re Looking For: Senior–Staff‑level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda‑first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and a...
Outside Spy
Jun 17, 2026
6 Months or more
Senior C# Engineer - Agentic & AI Engineering (Claude Code), .NET 8/9, AWS (Lambda, SQS) - OUTSIDE at Smart-Sourcer, United Kingdom, 11 Months, £750-£800 per day
£750 - £800 per day
Outside Spy United Kingdom
Senior C# Engineer - Agentic & AI Engineering (Claude Code), .NET 8/9, AWS (Lambda, SQS) - OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . We're looking for a best of breed', deeply senior, technically hands-on engineer who thrives in complex problem spaces and fast-moving start-up & scale-up environments. You'll need a genuinely Product Centric mindset and approach twinned with experience of AI-Native Engineering and Agentic Workflow . Skills We're Looking For: Senior-Staff-level Back End engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and a track...
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