As a founding engineer, you will architect the AI systems and infrastructure powering a platform that accelerates renewable energy deployment. You’ll own agent architectures, context engineering, and developer platform scaling while building production-ready features. This role blends infrastructure, AI-native engineering, and product ownership to transform how global energy assets are developed and financed.
Founding AI Platform Engineer at VC-backed AI climatetech SaaS
Join a high-growth startup accelerating the transition to renewable energy as a Founding AI Platform Engineer in London. In this critical early role, you will architect the production AI systems, agent frameworks, and developer infrastructure from the ground up. Working directly with founders and backed by top-tier VCs, you'll have the autonomy to shape the technical direction of a platform transforming global energy infrastructure. This is a unique opportunity for an experienced engineer to build the AI-native foundation for a company with real-world impact and meaningful revenue.
Want to apply for this role?
C
Jack finds you jobs at companies like Confidential company. Talk to Jack to get considered for roles that fit what you're great at.
Location
London, United Kingdom
Compensation
Not Disclosed
Company
Confidential company
Role overview
About the company
VC-backed AI climatetech SaaS
What you will do
- Design and scale sophisticated agent architectures involving complex context engineering, retrieval, and automated validation for high-stakes document analysis.
- Architect and manage the developer platform, including CI/CD pipelines, repository structure, and observability to enable rapid AI-native development.
- Build and ship product features that integrate AI insights directly into customer workflows, bridging the gap between infrastructure and user experience.
Who this is a fit for
- At least 4 years of professional software engineering experience with a proven track record of shipping and operating production-scale systems.
- Deep technical understanding of LLM application development, including experience with agentic workflows, structured outputs, and retrieval-augmented generation.
- Strong fundamentals in backend engineering and infrastructure, with experience making key architectural decisions across environments and development stacks.
Why this role is remarkable
- Build from the ground up at an early-stage startup tackling one of the biggest bottlenecks in the renewable energy transition.
- Backed by top-tier VCs and prominent AI industry leaders, providing a secure yet high-upside environment for early team members.
- Direct ownership over the entire AI-native stack, from agent architectures and observability to developer tools and product-facing features.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
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.
Meet Jack
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.