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Senior Machine Learning Engineer

SR2 | Socially Responsible Recruitment | Certified B Corporation
City of London
3 days ago
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Founding ML/AI Engineer | ClimateTech | London (Hybrid)


I’m working with a pioneering ClimateTech startup that’s on a mission to make a real dent in the fight against climate change. They’re building a data and software platform designed to help businesses measure, manage, and mitigate their carbon footprint — and now they’re hiring their first Founding ML/AI Engineer to lay the foundations of all things AI and ML.


This is a hands-on, high-impact role where you’ll collaborate directly with world-class science and engineering teams to develop predictive models that assess risk and surface actionable insights for enterprise customers.


You’ll be tackling some genuinely unique data challenges — from simplifying the complex world of carbon removals to solving first-of-a-kind data problems.


🔧 What You’ll Do

  • Build and refine predictive risk models in collaboration with a talented science team.
  • Identify new and unconventional data sources to feed into those models.
  • Work with engineers to productionize model outputs through APIs.
  • Partner with product teams to bring ML-powered insights into real customer-facing products.


💡 Tech Stack

They keep things lean and modern:

  • Front-end: TypeScript, React, Next.js, Tailwind CSS
  • Back-end: Go
  • Infra: Google Cloud Platform
  • AI: Claude, Gemini, GPT (integrated for LLM-powered features)

For this role, Python will be your main playground — no need to know Go or TypeScript.


✅ What They’re Looking For

  • 4+ years of hands-on ML/AI experience.
  • Strong background in working with unstructured data and turning it into structured, model-ready form.
  • Experience building or fine-tuning predictive models and deploying them to production.
  • Familiarity with LLMs (OpenAI, Claude, Gemini, etc).
  • Excited about being the first AI/ML hire and shaping the roadmap.
  • Passionate about impact, sustainability, and working in a fast-moving early-stage environment.


💚 Why It’s a Brilliant Opportunity

  • Be the founding ML/AI hire — set the direction, own the tech, and influence the product.
  • Join a high-calibre early-stage team with deep technical and domain expertise.
  • Work on meaningful, mission-driven problems that have a tangible global impact.
  • Hybrid setup — typically 2–3 days a week in their Shoreditch office.
  • Competitive salary, equity, 6% pension contribution, £1,000 personal development budget, and 4 weeks per year to work from anywhere in the world.

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