Senior Data Engineer – Short Term Power Markets

Castleton Commodities; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading global energy trading firm based in London seeks a skilled Senior Data Engineer to engineer and maintain data pipelines that support trading strategies. You will collaborate with technology and trading teams to manage real-time data feeds, enhance data accessibility, and ensure data integrity. Candidates should have 5-10 years of experience in a similar role and a strong background in data solutions and analysis, particularly in energy markets. Competitive benefits and opportunities for continued learning are provided.

Benefits

Competitive comprehensive medical, dental, retirement and life insurance benefits

Employee assistance & wellness programs

Tuition assistance & reimbursement

Competitive paid time off

Qualifications

• 5-10 years of professional experience as a Senior Data Engineer.
• Experience with energy commodity time-series datasets is required.
• Strong communication skills to convey complex concepts.

Responsibilities

• Design, build, and maintain scalable data pipelines for trading strategies.
• Integrate and manage data feeds from multiple sources.
• Monitor and troubleshoot streaming data infrastructure.
• Develop internal tools and dashboards for data usability.

Skills

ETL/ELT frameworks

Python

SQL

Data governance

Data analysis

Education

Bachelor's degree in Computer Science, Engineering, Mathematics, or related field

Tools

Snowflake

Job description

Senior Data Engineer – Short Term Power Markets page is loaded## Senior Data Engineer – Short Term Power Marketslocations: London, UKtime type: Full timeposted on: Posted 8 Days Agojob requisition id: R1187Castleton Commodities International (https://www.cci.com) is a global leader in energy commodity trading and asset investment. Our Data Science & Technology team is central to our success, engineering the high-performance data, systems and innovative tools that power our commercial decision-making. We build platforms and forecasts that help our front-office teams understand market behavior, forecast price movements, and manage risk. Our team solves complex, high-impact challenges using a modern technology stack, including the latest in GenAI and the latest technologies. We develop everything in cloud-native infrastructure from structured data and real-time analytics to back testing engines, third party integrations, and internal libraries, all designed to give CCI a competitive edge in global commodities markets. This role is an opportunity to build solutions that have a direct commercial impact from day one. Castleton Commodities International is seeking a skilled Senior Data Engineer to join our DS&T team in London, supporting the Intraday Short-Term Power business. The Data Engineer will play a critical role in engineering the availability, quality, and performance of real-time data feeds that drive execution strategies, analytics, and decision-making. This is an exciting opportunity to work within a fast-paced, data-driven trading environment, contributing directly to systematic trading and risk management efforts.**Responsibilities:*** Design, build, and maintain scalable data pipelines to deliver real-time and historical data for back-testing, modeling, and execution of trading strategies.* Integrate and manage data feeds from multiple sources, including fundamental market data, grid operations, weather providers, and internal trading systems.* Collaborate closely with Technology and Trading teams to ensure the timely availability and reliability of data across all systems supporting the Intraday Power desk.* Organize and structure Power data, including both reference and transactional data.* Monitor, troubleshoot, and optimize streaming data infrastructure, proactively resolving issues to minimize downtime and ensure data integrity.* Partner with Technology & Commercial teams to enhance the back-testing and signal generation frameworks that support systematic trading models.* Implement best practices in data governance, versioning, and lineage, ensuring compliance and traceability across the data stack.* Develop internal tools, APIs, and dashboards that improve data accessibility, transparency, and usability for Traders & Analysts.**Qualifications:*** Bachelor's degree in Computer Science, Engineering, Mathematics, or related field of study.* 5 -10 years of professional experience as a Senior Data Engineer, preferably supporting Intraday Short-Term Power trading or similar real-time energy market environments.* Experience working with energy commodity time-series datasets is required; familiarity with short-term power market data sources such as EPEX, ENTSO-E, or Nord Pool is strongly preferred but not required.* Understanding of systematic trading workflows, including signal generation, back-testing, and model validation.* Proven ability to work in a high-frequency, intraday trading environment with tight feedback loops between data, models, and execution.* Experience with ETL/ELT frameworks to write pipelines to load millions/billions of records.* Advanced skills in writing highly optimized SQL code.* Hands-on experience developing data solutions in Python, Pandas, Numpy, etc.* Experience with relational databases; Snowflake highly preferred.* Strong communication skills, with the ability to convey complex technical concepts to non-technical stakeholders.**Employee Programs & Benefits:**CCI offers competitive benefits and programs to support our employees, their families and local communities. These include:* Competitive comprehensive medical, dental, retirement and life insurance benefits* Employee assistance & wellness programs* Parental and family leave policies* CCI in the Community: Each office has a Charity Committee and as a part of this program employees are allocated 2 days annually to volunteer at the selected charities.* Charitable contribution match program* Tuition assistance & reimbursement* Quarterly Innovation & Collaboration Awards* Employee discount program, including access to fitness facilities* Competitive paid time off* Continued learning opportunitiesVisit to learn more!#LI-CD1Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys capital on a proprietary basis in the physical and financial commodity markets, providing the Company with market insights and access. As a strategic investor and developer, CCI leverages its market expertise, operations capabilities, and industry knowledge to invest in, and develop, select commodity infrastructure assets. This fully integrated platform has generated strong risk-adjusted returns for our investors since our formation.