Senior Machine Learning | AI Engineer

CUR8; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A pioneering environmental technology firm in London seeks its first ML/AI engineer to help build foundational models for carbon credit delivery risk. You will collaborate with science and engineering teams to solve complex data challenges, developing insights to advance carbon removal efforts. This role offers a modern tech stack, flexible hybrid work, and a culture focused on impactful climate solutions.

Benefits

Competitive compensation

Meaningful equity

Generous time off

Personal development budget

Flexible working arrangement

Great pension contributions

Qualifications

• 4+ years of direct ML or AI experience.
• Worked on problems structuring unstructured data.
• Built or fine-tuned predictive models.
• Experience with LLMs like OpenAI's GPT models.
• Excited about laying foundations of AI/ML.

Responsibilities

• Build new risk models with the science team.
• Surface model outputs via APIs with engineering team.
• Solve product problems related to Carbon Removals.

Skills

Direct ML or AI experience

Working with unstructured data

Building or fine-tuning predictive models

Experience with Large Language Models

Experience using Python

Understanding of climate change themes

Tools

PostgreSQL

Google Cloud Platform

TypeScript

Go

Job description

We’re looking to hire our first ML/AI engineer to help shape and lay the foundations of ML/AI at CUR8. From a team perspective, you will be working closely with our science and engineering teams to help us predict delivery risk of carbon removal credits, and surface these to our B2B customers.

You’ll be responsible for:

• Working with our science team to build new risk models, and improve existing ones. As well as identifying new sources for data that feeds these models.
• Working with the engineering team to surface the outputs of these models via APIs.

Product wise, you’ll work on solving multiple product problems and some big challenges with the team - including:

• Simplifying the complex world of Carbon Removals.
• Solving first of a kind data problems.
• Collaborating with the rest of the CUR8 team to create groundbreaking data products.

Our Tech stack - We keep things modern and lean:

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

For this role, we expect we will need to add Python to our tech stack, so there is no requirement in having to know TypeScript or Go.

Please treat the below as simply a starting point. If you don’t exactly meet all of the below points but think you’d be really impactful in our team, we want to hear from you.

• You have 4+ years of direct ML or AI experience.
• You have previously worked on problems around taking unstructured data, structuring it, and then feeding it into models.
• You have built or fine tuned your own predictive models, and deployed them to production.
• You have worked with Large Language Models like OpenAI’s GPT models, Gemini, Claude, etc.
• Experience using Python
• You are excited about laying the initial foundations of AI/ML at CUR8.
• You are passionate about impact and startups - you’re a proactive self-starter who is comfortable dealing with a high degree of ambiguity.
• You have an understanding of key climate change/sustainability themes; experience in climate is valuable but not essential. We need you to care about the problem space though!

Why Join?

To help us to improve, and build totally new models at the forefront of climate science!

• Join a high-calibre early-stage team with a proven track record
• This is an exciting opportunity to join as our first ML/AI engineer, working with our exceptionally talented team. You will work with our product, climate science, and engineering teams to build insights and prediction features.
• Flexible hybrid setup — 2–3 days in Shoreditch office

About the perks:

• CUR8 is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
• With a little bit of luck, we’ll save the planet (pretty good, isn’t it). But seriously - every time we transact, the world gets a little better.
• We’ll treat you with dignity; across competitive compensation, meaningful equity, generous time off, and a culture that’s inclusive for parents and respectful of boundaries (no late night emails!).
• We have our own bright lovely office in Old Street - which you will get to shape alongside us.
• Time and money to learn: every member of the team receives a £1,000 personal development budget to spend on up-skilling themselves and supporting the team.
• We offer 4 weeks per year to work from anywhere in the world.
• A great pension - we contribute 6% (salary sacrifice).

About CUR8

The science is clear - even if we do everything else right on reducing emissions, the world needs to remove5-10 Gigatonnes of CO₂ by 2050. There is no Net Zero without carbon removals.

At CUR8, we’re driven by building the worldwide market for carbon removals. We’re on a missionto facilitate 1Bn tonnes of carbon removed in a single year. Today, we’re doing that through our leading science, procurement, and management platform. Empowering companies and financial institutions across the world with insights, carbon credit portfolios, and software tooling to neutralise their emissions.

Today, for companies around the world, we are their Copilot for Carbon Removal.

About our process:

Our process aims to give all of us the chance to get to know each other, our aspirations, and whether this is an exciting fit. It starts with an initial chat to tell you more about CUR8, what we’re looking for, and understand more about your goals. Next is a skills focused interview, which leads to an ideally in person final stage split over two parts: a working session with team and a 1:1 founder meeting.

Every deal you deliver helps remove carbon from the atmosphere—and our work really matters, every single day. If you’re passionate about reversing climate change, love collaborating with true experts, and want to have real impact—apply now! If you’re not a perfect match but will make CUR8 stronger, we want to hear from you.