Senior Software Engineer

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London / £100000 - £140000 annum

INFO

Salary

SALARY:

£100000 - £140000

Location

LOCATION

London

Job Type
JOB TYPE

Permanent

Senior Product Engineer
London (Hybrid, 3 days)

Join a well-funded AI startup building a behavioural intelligence platform for financial services. As an early engineering hire, you'll play a key role in shaping the product, architecture, and engineering culture while working closely with founders and senior leadership.

The Company
They are developing an AI-powered platform that helps organisations better understand customer behaviour and decision-making. With strong early customer traction and enterprise PoCs underway, they are now scaling their product and engineering capability.
The Role
  • Build and scale LLM-enabled product features from concept to production
  • Design APIs, backend systems, and AI-powered workflows
  • Improve model quality through evaluation, monitoring, and guardrails
  • Optimise token usage, performance, and cost efficiency
  • Collaborate on product strategy, roadmap, and architecture
  • Help establish engineering best practices as the team grows
Your Skills & Experience
  • Strong product engineering background
  • Experience building and launching an LLM-powered product
  • Backend expertise, ideally with Node.js and TypeScript
  • Experience with APIs, cloud infrastructure, and scalable systems
  • Comfortable operating with autonomy in an early-stage environment
  • Strong communication and stakeholder management skills
What They Offer
  • £115,000 to £140,000 base salary
  • Meaningful equity package
  • Hybrid working in London
  • Significant ownership and autonomy
  • Opportunity to shape a product and engineering function from an early stage

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