Trading Data Engineer

Octopus Energy Group; City Of London; On-site; GBP 40,000 - 55,000; Full time

Job summary

An innovative energy company based in London is seeking a Data Analyst to forecast power demand and optimise trading strategies using Python and market data. The ideal candidate will have experience with machine learning and a strong understanding of the German and European electricity market. Fluency in both German and English is required. This role offers transparency in salary and a unique culture focused on autonomy and learning.

Benefits

Salary transparency

Unique culture

Employee benefits

Qualifications

• Excellent Python programming skills.
• Experience with time series data, forecasting, and machine learning.
• Exposure to the German or European electricity market.
• Ability to communicate modelling approaches clearly.
• A structured, quality-focused way of working.
• Enthusiasm for accelerating energy transition.
• Fluent in German and English.

Responsibilities

• Build and maintain models to forecast power demand and prices.
• Develop robust data pipelines for data collection and cleaning.
• Analyse market data to optimise trading strategies.
• Help build tools for automated trading and market analytics.
• Contribute to models predicting local grid congestion.
• Collaborate with Trading and Tech teams.

Skills

Python programming skills

Time series data

Machine learning

Data pipeline automation

Fluent German

Fluent English

Tools

Redis cache

AWS S3

Databricks

Grafana

Job description

Overview

At Octopus Energy Trading, we are reshaping the future of energy as part of Octopus Energy Group. We are building innovative trading technology to accelerate the transition to a Net Zero world. With the growth of renewables and a push toward decarbonising heating and transport, greater flexibility in the grid is essential. We are developing technology to optimise everything from domestic EV charging to grid-scale batteries to meet the global demand for energy flexibility. We are seeking passionate and unconventional thinkers to join us on this journey, bringing a diversity of experience and ideas to shape a more efficient, flexible, and sustainable energy system.

What You'll Do

• Build and maintain models to forecast power demand, renewable generation, and prices in the German and Western European intraday markets
• Develop robust data pipelines to collect, clean and combine internal and external data (e.g. grid, weather, or market data)
• Analyse market data and derive insights to optimise trading strategies
• Help build tools for automated trading and market analytics
• Contribute to models predicting local grid congestion and identifying flexibility opportunities
• Collaborate closely with our Trading, Flexibility and Tech teams across Germany and the UK
• Support the development of our forecasting and analytics frameworks across the business

What You'll Need

• Excellent Python programming skills
• Experience with time series data, forecasting, and machine learning (e.g. Redis cache, AWS S3, Databricks, Grafana)
• Exposure to the German or European electricity market (e.g. EPEX Spot, Redispatch, TSOs)
• Experience building data pipelines and automating data workflows
• Ability to clearly communicate modelling approaches, including assumptions and limitations
• A structured, quality-focused way of working and a desire to take ownership
• Enthusiasm for accelerating the energy transition and optimising flexible power systems
• Fluent German and English (both are required)

Why You'll Love It Here

• Salary transparency: You can ask about salary during a call with a recruiter; we aim to match your experience with the correct salary and offer flexibility where appropriate. We prioritise finding the right octofit over fixed numbers.
• Unique culture: A culture that values autonomy, learning, and ownership, with a diverse team working on projects that break new ground. We focus on rewarding hard work with perks that matter to you. We were recognised as a top place to work in 2022 and 2023 by various outlets.
• Visit our UK perks hub - Octopus Employee Benefits