Join as the first AI Engineer for a high-growth London startup generating £20k+ MRR with 150% NRR. You will lead the transformation of a successful SaaS product into an AI-native platform, building autonomous market arbitrage systems and hardware-free energy intelligence to help multi-site operators drastically reduce waste and costs.
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AI Engineer at Rye.energy
Join a high-growth London startup as their first AI Engineer and lead the charge in turning a successful SaaS business into an AI-native powerhouse. With £20k+ MRR and 150% net revenue retention, this CapitalT and January Ventures-backed team is disrupting the £100B energy sector. You'll build agentic systems for market arbitrage and zero-hardware load disaggregation that save customers up to 43% on energy. If you have 3-6 years of experience and want a £500k equity stake in a company growing 22% MoM, this is your chance to own the AI layer of a category-defining energy platform.
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Location
London, United Kingdom
Compensation
£60k-£84k + £500k Equity
Company
Rye
Role overview
EnergyLondon, United KingdomPre-Seed (VC-backed)
The intelligence & automation layer for multi-site energy management
Backed by CapitalT, January Ventures, Earth Venture, Norrsken Evolve.
What you will do
- Develop agentic systems for autonomous market arbitrage that monitor energy markets 24/7 to execute optimal contract renewals.
- Engineer Zero-Hardware Intelligence using NILM to disaggregate electrical loads and identify specific appliance energy usage without sub-meters.
- Build automated anomaly detection and leak waste systems that benchmark sites and trigger proactive work orders for operators.
Who this is a fit for
- Has 3-6 years of experience in software engineering, data, or product management within high-growth tech companies or scale-ups.
- Possesses hands-on experience shipping production code involving LLMs or Machine Learning models in customer-facing environments.
- Demonstrates a "forward-deployed" mindset with the ability to scope, build, and iterate on complex technical solutions directly with users.
Why this role is remarkable
- Lead the AI evolution of a business with 22% month-over-month growth and proven product-market fit serving UK and French markets.
- Work directly with founders as employee #4 with a significant £500k equity package and direct influence on technical architecture.
- Build sustainable technology that delivers immediate 28-43% energy cost reductions, creating massive environmental and financial impact for hospitality and retail.
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 Rye wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.