Back End Developer Duration - until 12/10/2026 Rate - £400-450 per day - umbrella only Location - London, 1-2 days every 2 weeks.As a Context Engineer in our Development team, you''ll collaborate closely with the Dev Lead to pioneer and apply "Context Engineering"-the art and science of curating high-quality AI contexts for large-scale software projects. You''ll help deliver on our current initiatives while integrating this practice into Enterprise Design Thinking methodologies, ensuring AI-assisted workflows enhance ideation, empathy mapping, and iterative prototyping across multidisciplinary teams.Strong foundation in software development with C# and TypeScript.Experience with AI/LLM concepts (eg, prompt engineering, RAG).Analytical mindset for assessing sufficiency (relevance, completeness, freshness) and mitigating risks like hallucinations.Focus on Clean Architecture and Clean Code principles.Familiarity with Enterprise Design Thinking or Agile methodologies.Knowledge of code quality tools (eg, linters, etc.) and nonfunctional standards (eg, WCAG 2.2, OWASP).Experience with AI coding assistants like GitHub Copilot or Cursor.Excellent collaboration skills for multidisciplinary teams.All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply! ..... full job details .....