Senior AI Engineer
At 5Plus, we build production-grade AI systems that solve real operational problems for our customers. As a Senior AI Engineer, you will tak…
Hiring: AI Engineer (LLMs | Product-Focused | London, Paddington)
I'm partnering with a fast-growing, heavily funded startup that's redefining how care providers operate through AI. Backed by $20M in Series A funding and scaling quickly, they're building an AI-powered platform used across healthcare environments to replace fragmented systems and manual processes.
This is a unique opportunity to join early, working directly with the Head of AI to take ownership of engineering and help shape the future of the AI function.
What you'll be working on You'll play a key role across two core product areas:
A day-to-day operating hub that helps professionals make better, faster decisions
A research-focused platform, leveraging labs, imaging, and structured/unstructured medical data to drive insights
Building AI agents to handle calls and schedule appointments
Creating systems to generate and structure clinical notes from free text
Using LLMs to reliably extract and standardise complex data
Contributing to AI-powered features integrated directly into core workflows
What they're looking for
~5+ years in software engineering 2+ years hands-on with LLMs / applied AI Experience building 01 products in startup environments Strong backend focus (Python + TypeScript) Experience with frameworks like LangChain Comfortable owning systems end-to-end (design build deploy)
Bonus if you've touched frontend or worked closely with product teams.
Package & benefits
£100k + £20k equity
Hybrid: 4 days/week in Paddington
25 days holiday + private healthcare
Equity for all employees + strong benefits package
Flexible remote working (2-3 weeks/year from anywhere)
Process (fast & focused)
AI knowledge discussion
Coding interview
AI design challenge (real problem)
Final with CTO
*Rates depend on experience and client requirements
Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.
£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)
At 5Plus, we build production-grade AI systems that solve real operational problems for our customers. As a Senior AI Engineer, you will tak…
Are you ready to start a new career in AI Engineering? AI is expected to generate 170 million jobs by 2030 and at present experienced profe…
Are you ready to start a new career in AI Engineering? AI is expected to generate 170 million jobs by 2030 and at present experienced profe…
Are you ready to start a new career in AI Engineering? AI is expected to generate 170 million jobs by 2030 and at present experienced profe…
Are you ready to start a new career in AI Engineering? AI is expected to generate 170 million jobs by 2030 and at present experienced profe…
Are you ready to start a new career in AI Engineering? AI is expected to generate 170 million jobs by 2030 and at present experienced profe…