3 of 3 Contract Secure Coding Jobs in the City of London

React Native Lead

Hiring Organisation
LA International Computer Consultants Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 470 - 490 Daily
integration where needed, delivery pipelines, and production operations. It also requires close integration with cloud-native Back End and platform services to ensure secure, reliable, and observable mobile experiences. The domain context demands practical leadership through architectural transition, with clear governance of engineering quality, security, release readiness … governance that improves decision quality without creating unnecessary process overhead. * Deep knowledge of iOS and Android engineering fundamentals, including performance optimisation, secure coding, accessibility, and testability. * Proven ownership of mobile build and release pipelines, including code signing, environment controls, and App Store/Google Play release management. ...

Senior C# Engineer .NET 8/9, 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
client interaction. Rigorous engineering standards: Git-based workflows, trunk-based development, CI/CD (GitHub Actions), IaC (CDK/Terraform), comprehensive testing and secure-by-default coding. Pragmatic, outcome-oriented, comfortable with ambiguity, and biased toward shipping. What Youll Own: Architecting, building and shipping complex, high-performance distributed … that other engineers love to consume. Championing a high-quality engineering culture: testing discipline, peer review, CI/CD excellence, observability, performance and secure coding. Developing hands-on skills with Claude Code , including AI-assisted development patterns, smart refactoring, automated context management and productivity-boosting workflows. Contract Details ...

Senior C# Engineer - AI Native & Agentic Engineering, AWS, Lambda, SQS

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day OUTSIDE IR35
client-facing conversations. Rigorous engineering standards: Git workflows, trunk-based development, CI/CD (GitHub Actions), IaC (CDK/Terraform), testing discipline and secure-by-default coding. Pragmatic, outcome-oriented, comfortable with ambiguity and biased toward shipping. What Youll Own: Architecting, building and shipping high-performance distributed services … APIs that other engineers love to consume. Championing a high-quality engineering culture: testing, peer review, CI/CD excellence, observability, performance and secure coding. Contract Details £700£800/day Outside IR35 100% remote (UK) 11-month rolling contract ...