iO Associates
Senior/Principle Full Stack Engineer
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Principal / Senior Full Stack Engineer
Outside IR35 | £500-600/day | Hybrid London (2 days)
I'm working with a global consultancy to help build a small, elite engineering team for an AI-first product being developed within the insurance sector.
The team is building an AI-native underwriting platform from the ground up and they're looking for experienced engineers who thrive in ambiguity, love shipping production software and are already embracing AI-assisted development as part of their day-to-day workflow.
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You'll remain highly hands-on, helping shape engineering direction while building scalable production systems alongside a team of senior engineers.
This is very much a builder's role.
We're looking for engineers with experience in:
- Python
- TypeScript
- React
- System Design
- Distributed Systems
- Production APIs
- Cloud (AWS, Azure, or GCP)
- Observability
- Security
- AI-assisted software development
Experience using tools such as Cursor, Claude, GitHub Copilot, LangChain, LangGraph, or agentic AI workflows would be a huge advantage.
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Insurance domain knowledge combined with the above would be hugely beneficial also.
Outside IR35
Hybrid London (2 days onsite)
£500-600 per day
You'll suit this if you're the type of engineer who enjoys improving engineering standards, building internal tooling, increasing developer productivity, and helping scale products rather than spending your week in architecture meetings.
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