Senior AI Engineer: .NET/Typescript/React/Agentic AI/AWS
Posted 4 days ago by Nicoll Curtin Technology
£900 Per day
Outside
Remote
United Kingdom
Summary: The role is for a Backend-leaning Staff Engineer focused on modernizing a core CRM platform and integrating AI-driven capabilities. The position requires deep expertise in .NET engineering and experience in building production-grade AI systems. The engineer will lead Back End development while also working across the stack as needed. The role emphasizes strong engineering principles and the ability to communicate technical concepts effectively.
Key Responsibilities:
- Rebuild and enhance core CRM functionality within a live production environment
- Lead Back End development using .NET/C#, ensuring scalability, reliability, and maintainability
- Work across the stack where needed (TypeScript/React) but with a clear Back End-first focus
- Design and implement:
- Autonomous agents
- Self-learning systems
- AI-driven workflow automation platforms
- Integrate AI capabilities directly into core product workflows and business processes
- Drive incremental modernisation of Legacy systems (brownfield environment)
- Apply strong engineering principles, system design, and architectural thinking
- Contribute to technical direction, standards, and scaling the platform
Key Skills:
- Senior AI Engineer with a strong traditional software engineering background
- Deep expertise in .NET/C# Back End development (this is the core requirement)
- Proven experience building production-grade AI systems, specifically:
- Autonomous agents
- Self-learning systems
- Workflow automation platforms
- Experience working on complex, production systems and modernising Legacy platforms
- Strong grounding in system design, API development, and architecture
- Comfortable working across the stack when required (TypeScript/React)
- Pragmatic, engineering-led mindset, focused on robust, scalable delivery (not just experimentation)
- Strong communication skills, being comfortable discussing technical concepts with non-technical stakeholders
Salary (Rate): £900/day
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
Detailed Description From Employer:
Backend-leaning Staff Engineer to modernise a core CRM and build AI-driven agent capabilities
We're supporting a propety-tech organisation undertaking a major modernisation of an established CRM platform, alongside building autonomous, AI-driven workflows directly into core business processes.
This role is strongly Back End-focused, requiring deep .NET engineering expertise, combined with proven experience building agentic AI systems in production.
The Role
- Rebuild and enhance core CRM functionality within a live production environment
- Lead Back End development using .NET/C#, ensuring scalability, reliability, and maintainability
- Work across the stack where needed (TypeScript/React) but with a clear Back End-first focus
- Design and implement:
- Autonomous agents
- Self-learning systems
- AI-driven workflow automation platforms
- Integrate AI capabilities directly into core product workflows and business processes
- Drive incremental modernisation of Legacy systems (brownfield environment)
- Apply strong engineering principles, system design, and architectural thinking
- Contribute to technical direction, standards, and scaling the platform
What They're Looking For
- Senior AI Engineer with a strong traditional software engineering background
- Deep expertise in .NET/C# Back End development (this is the core requirement)
- Proven experience building production-grade AI systems, specifically:
- Autonomous agents
- Self-learning systems
- Workflow automation platforms
- Experience working on complex, production systems and modernising Legacy platforms
- Strong grounding in system design, API development, and architecture
- Comfortable working across the stack when required (TypeScript/React)
- Pragmatic, engineering-led mindset, focused on robust, scalable delivery (not just experimentation)
- Strong communication skills, being comfortable discussing technical concepts with non-technical stakeholders
Core Tech Stack
- .NET (primary and essential)
- AWS (essential, not flexible on Azure)
- TypeScript/React (important)
- AI/LLM stack (essential):
- Hands-on experience building agent-based systems and AI workflows in production
- Strong understanding of LLM integrations, orchestration, and real-world deployment
Working Model & Contract Details
- 6-month contract (extensions likely)
- £900 per day - Outside IR35
- Fully remote (UK-based)
- Occasional office attendance may be required