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Full Stack AI Engineer Intern at early-stage climate tech AI startup

Are you a builder looking to apply AI to the climate crisis? This internship puts you at the center of an early-stage startup automating renewable energy investment diligence. You’ll ship production-ready LLM features and end-to-end interfaces alongside a founding team of industry experts, helping to accelerate billions in clean energy infrastructure.

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Location

London, United Kingdom

Compensation

Not Disclosed

Company

Confidential company

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Role overview

Join a founder-led team building an agentic AI platform for renewable energy investment. You will develop end-to-end features, from frontend interfaces to LLM-driven document analysis pipelines, streamlining complex diligence processes for investors. This hands-on internship offers the chance to ship user-facing AI tools that accelerate critical global energy infrastructure projects.

About the company

Early-stage climate tech AI startup

What you will do

  • Build and maintain frontend interfaces for a specialized diligence platform using modern web frameworks.
  • Develop backend services for document processing and complex AI orchestration pipelines.
  • Implement LLM-powered features including automated risk classification, document Q&A, and agent-driven analysis.

Who this is a fit for

  • Proven builder with a portfolio of web applications or AI projects evidenced via GitHub or personal work.
  • Proficiency in at least one frontend framework and one backend programming language.
  • Strong curiosity about LLMs and the ability to work in the UK without visa sponsorship.

Why this role is remarkable

  • Work directly with founders on a prize-winning platform that solves multi-billion dollar inefficiencies in renewable energy investment.
  • Join a well-funded startup led by domain experts with background experience in energy M&A and climate technology.
  • Ship production-level AI features that real investors use, rather than working on internal tools or minor maintenance.

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.
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Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.

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What happens next?

Jack’s an AI agent for job searching and career coaching. He works for you.

Jill is the AI recruiter working for the company. She recruits from Jack’s network.

If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.

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