Founding Engineer | Agentic AI Startup (EF Backed) in City of London, London

Founding Engineer | Agentic AI Startup (EF Backed) in City of London, London

City of London +1 Full-Time 100000 - 150000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Build and ship core product features, design scalable systems, and develop AI agents.
  • Company: Exciting AI startup backed by Entrepreneur First with a focus on innovation.
  • Benefits: Competitive salary, meaningful equity, and true ownership in a groundbreaking project.
  • Other info: Dynamic environment with opportunities for rapid growth and impact.
  • Why this job: Join at day zero to shape a category-defining company and work with visionary founders.
  • Qualifications: Strong backend engineering experience, ideally with Python, and a founder mentality.

The predicted salary is between 100000 - 150000 £ per year.

We're partnering with an exceptional startup founded by two very well-educated, second-time founders who are tackling a huge legacy industry with an AI-first approach. Having secured one of Entrepreneur First's largest ever pre-seed investments, they're now hiring their first Founding Engineers to help build a category-defining company from day one!

Location: London (5 days in-office)

Salary: £100k-£150k with meaningful equity

What you'll do:

  • Build and ship core product features end-to-end
  • Design scalable backend systems, APIs, and integrations
  • Develop AI agents, LLM workflows, and retrieval systems
  • Own technical decisions and shape engineering culture
  • Work directly with customers and founders to solve complex real-world problems

What we're looking for:

  • Strong backend engineering experience, ideally with Python
  • Experience building AI products, agents, RAG systems, or LLM-powered applications
  • High agency with a founder mentality
  • Proven track record of shipping quickly and taking ownership
  • Strong product instincts and excellent communication skills

Why join?

  • £100k-£150k with meaningful equity
  • True founding engineer ownership
  • Build the product, infrastructure, and AI systems from scratch
  • Work alongside exceptional second-time founders
  • Backed by one of Europe's standout pre-seed rounds

If you want the chance to join at day zero and help build something genuinely category-defining, let's talk.

Locations

City of LondonLondon

Founding Engineer | Agentic AI Startup (EF Backed) in City of London, London employer: Tech Talent Network

Join an innovative AI startup in London, where you'll have the unique opportunity to shape the future of technology as a Founding Engineer. With a strong emphasis on ownership and collaboration, you'll work closely with experienced founders and be part of a dynamic culture that values creativity and rapid growth. Enjoy competitive compensation, meaningful equity, and the chance to make a significant impact from day one in a supportive environment that fosters personal and professional development.

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Contact Details:

Tech Talent Network Recruitment Team

We think you need these skills to ace Founding Engineer | Agentic AI Startup (EF Backed) in City of London, London

Backend Engineering
Python
AI Product Development
AI Agents
RAG Systems
LLM-Powered Applications
Technical Decision-Making