2 of 2 Contract AWS Step Functions Jobs in London

Platform and Agentic AI Architect

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
Description: You will lead a small, high-output agentic engineering pod migrating AWS Lambda applications to Azure. Inspired by OpenAIs Harness Engineering model, your primary job is not writing code it is designing the harness: the scaffolding, constraints, and feedback loops that let Claude Code agents do reliable work. … Responsibilities Own and evolve the claude_code_forge scaffolding repo structure, CLAUDE.md templates, creating agents, MCP tool configs, and custom slash commands Decompose the AWS estate into depth-first migration work-packages with clear acceptance criteria agents can validate Enforce architecture mechanically (structural tests, linting rules, dependency-layer checks ...

Senior C# Engineer .NET 9, AWS Lambda, SQS, SNS Outside IR35

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
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 hands-on skills with Claude Code , one of the most advanced AI-assisted development tools in the industry. Role Overview: Youll operate as the technical spearhead for a greenfield product build ...