Senior Model Developer

Orsted Hornsea Project Four Limited; Gentofte Kommune; Hybrid; DKK 700,000 - 900,000; Full time

Job summary

Orsted Hornsea Project Four Limited is seeking a quantitative developer to build and refine core market models for short- and mid-term analysis in energy markets. You will combine Python development with a passion for energy trading to deliver scalable models used by trading and commercial teams.

You will collaborate closely with analysts, traders, and platform teams to ensure high-quality data-driven insights and governance of models and assumptions.

Qualifications

• Background in quantitative development, engineering, economics, or similar.
• Deep knowledge of European gas markets.
• Write scalable, well-tested Python code and apply modern development practices.
• Familiar with version control, CI/CD, and collaborative software development.
• Work confidently with data, including time series analysis, SQL, and data visualization tools.
• Motivated to build expertise in energy markets and translate it into models.
• Communicate clearly and work effectively both independently and as part of a team.

Responsibilities

• Develop and improve core gas supply and demand models to enable trading and portfolio management.
• Develop and improve gas and power market models for supply-demand and price formation.
• Integrate drivers such as weather, fuel prices, outages, and interconnector flows into models.
• Ensure model outputs reflect market behaviour across short- and mid-term horizons.
• Improve model governance, monitoring performance, and keep assumptions and data up to date.
• Collaborate with traders, analysts, and developers to deliver actionable insights and recommendations.

Skills

Quantitative development

Gas markets knowledge

Python programming

Time series analysis

SQL

Data visualization

Communication & teamwork

Tools

Git

CI/CD

SQL databases

Python

Job description

Join us in this role where you’lldevelop and improve core market models that support short- and mid-term analysis. You’ll combine strong Python development with an interest in energy markets to deliver scalable, reliable models used daily by trading and commercial teams.

Welcome to Forecasting & Market Analysis

You'll be part of Forecasting & Market Analysis where you together with your colleagues will develop models and forecasts supporting trading and portfolio decisions across power and gas. You'll work closely with analysts, traders, and platform teams to ensure high-quality data-driven insights.As a team, we collaborate across disciplines, share knowledge, and continuously improve how we model and understand energy markets.

You’ll play an important role in:

• developing our new gas supply and demand to enable our gas trading and portfolio management activities
• developing and improving gas and power market models for supply-demand and price formation.
• integrating key drivers such as weather, fuel prices, outages, and interconnector flows into models.
• ensuring model outputs reflect market behaviour across short- and mid-term horizons.
• improving model governance, monitoring performance, and keeping assumptions and data up to date.
• collaborating with traders, analysts, and developers to deliver actionable insights and recommendations.

To succeed in the role, you:

• have a background in quantitative development, engineering, economics, or similar, or equivalent experience.
• possess deep knowledge of European gas markets
• write scalable, well-tested Python code and apply modern development practices.
• are familiar with version control, CI/CD, and collaborative software development.
• work confidently with data, including time series analysis, SQL, and data visualisation tools.
• are motivated to build expertise in energy markets and translate it into models.
• communicate clearly and work effectively both independently and as part of a team.

Maybe you’ve read the above and can see you have some transferable skills, even though they don’t quite match all the points.

Shape the future with us

As an applicant or employee, you may request reasonable work and position accommodation or adjustments via [e-mail].