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Modeller

Fastmarkets
London
5 months ago
Applications closed

Job Description

As a Modeller in Carbon Markets, you will play a pivotal role in designing and building the next generation of sustainability analytics. Leveraging your quantitative skills in economics, statistics, data science, and Python (or other programming languages such as R), you will develop and maintain scalable, data-driven solutions. You will also maintain and improve the model codebase (e.g. perform code reviews, identify sources of technical debt), convert business requirements into modelling problems, and engage with business stakeholders to explain model insights. Your work will drive actionable insights for our analytics subscribers and empower strategic decision-making.

PRINCIPAL ACCOUNTABILITIES

  • Lead the development, enhancement, and maintenance of the core modelling framework for carbon market analytics and related analytics suites.
  • Design and implement mathematical and economic optimization models tailored to solve complex, real-world problems.
  • Collaborate closely with product managers and engineering teams to define modelling objectives and integrate our analytics into the broader product and technology ecosystems.
  • Ensure code quality across the model development process both in own work and in reviewing the work of colleagues.
  • Oversee rigorous testing, validation, and stress-testing of models to ensure accuracy, reliability, and alignment with industry best practices.
  • Identify opportunities to optimize model scalability and performance, and work with engineers to ensure the ability to handle large datasets and intricate market scenarios efficiently.
  • Stay ahead of industry trends and advancements in programming frameworks, and carbon market developments, incorporating relevant innovations into modelling practices.
  • Prepare detailed documentation and present technical findings to both technical and non-technical stakeholders.

KEY INTERFACES

  • Head of Modelling – Carbon Markets
  • Chief Economist & Head of Environmental Markets
  • Head of Research – Carbon Markets
  • Head of Product – Carbon Markets
  • Economists
  • Modellers
  • Head of Data
  • CPO


Qualifications

We recruit talented, dynamic people with diverse backgrounds and experiences, all united by a belief in our mission to provide the world’s leading and most trusted price reporting, events, and intelligence service for the markets we serve. We’re proud to be an equal opportunities employer and are committed to creating a fully inclusive workplace, where everyone feels able to participate and contribute meaningfully.

If you are open-minded, curious, resilient, solutions-oriented and committed to promoting equality, then read on.

KNOWLEDGE, EXPERIENCE AND SKILLS

We are looking for an individual who is highly motivated, driven, and have a passion to be part of a fast-paced, successful team. Being a strong team player is also important as well as someone who is happy to work flexibly.

  • Extensive experiencein economic and/or mathematical modelling.
  • Advanced proficiencyin Python (or similar programming languages such as R), including experience using common data science packages.
  • Experience working with optimization modelling tools and packages (e.g., PuLP, Pyomo, Gurobi) is desirable.
  • Experience using cloud-based computing services (e.g., AWS, GCP, Azure) to host, deploy and execute models is desirable.
  • Experience using version control systems (e.g., Git, Bitbucket) and other collaborative development tools and platforms (e.g. GitHub, Jira, Asana).
  • Knowledge of carbon markets, regulatory frameworks, and emissions trading systems is highly desirable.
  • Exceptional analytical thinking, problem-solving, and attention to detail.
  • Proven ability to communicate complex technical concepts clearly to both technical and non-technical audiences.
  • A self-starter with strong project management skills, capable of managing multiple priorities in a fast-paced environment.

If you're excited about the role but your experience, skills or qualifications don't perfectly align, we encourage you to apply anyway.



Additional Information

Our Values

Fastmarkets people come from all different walks of life. It’s this mix of brilliant personalities, experiences and insights that gives us that warm, open, and friendly culture you can feel as soon as you meet us. But however wonderfully different we all are, there are six things we all have in common – and they form our Fastmarkets values.

Created by our own employees to reflect some of the personal traits that Fastmarkets people have, our values are key to what makes our culture unique. They reflect who each of us are and they're embedded in everything we do. Our values are:

  • METRICS DRIVEN.We use insights to improve our customers’ experience and our business performance
     
  • ACCOUNTABLE.We are accountable to ourselves and those we work with: we keep our promises and get things done
     
  • GROWTH MINDSET. This value enables us to be nimble to the changing realities and operate with a sense of urgency
     
  • INCLUSIVE.We are inclusive and respectful, celebrating each of us and giving everyone a deep sense of belonging with the desire to bring their best self to work every day.
     
  • CUSTOMER CENTRIC.We are customer-centric in all that we do
     
  • COLLABORATIVE.We are collaborative, able to work across teams and capitalise on the diversity of intellect, perspectives, and experiences.

 

You’ve read a little about us – now it’s over to you!

If you like what you’ve read so far and think you can see yourself as a Fastmarkets person, it’s time to fill in your application form. This form is an important part of the selection process: it’s used to determine whether or not you’ll be chosen to have an interview and acts as a basis for the questions we’ll ask you on the day.

It’s vital that you try to capture all the relevant information we have asked for on the form so we can get a good feel for who you are and why you’re great.

You’ve read a little about us – now it’s over to you!

If you like what you’ve read so far and think you can see yourself as a Fastmarkets person, it’s time to fill in your application form. This form is an important part of the selection process: it’s used to determine whether or not you’ll be chosen to have an interview and acts as a basis for the questions we’ll ask you on the day.

It’s vital that you try to capture all the relevant information we have asked for on the form so we can get a good feel for who you are and why you’re great.

National AI Awards 2025

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