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Paritas Recruitment

Lead Data Scientist - Energy

Hybrid

London, United kingdom

Senior

Freelance

05-01-2026

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Skills

Communication Python Java Data Analysis SQL Decision-making Machine Learning Data Science

Job Specifications

Senior Data Scientist – Energy Trading

London – 3 days onsite per week (non-negotiable)

Competitive Daily rate. Guaranteed 6 months with a very strong likelihood for continued extension.

We’re hiring multiple Senior Data Scientists to join a high-impact energy trading environment for an Oil and Gas Major. This role is focused on designing, building, and deploying robust data science and machine learning solutions that directly support trading and commercial decision-making. It’s a hands-on position suited to experienced practitioners who are comfortable operating in complex, fast-paced environments.

What you will do ...

Building and deploying scalable data science and machine learning solutions into production
Working closely with data engineers, software engineers, and business stakeholders across trading functions
Applying strong statistical and machine learning foundations to solve real-world trading and optimisation problems
Performing deep-dive data analysis to deliver clear, actionable insights
Owning the full data science lifecycle, from initial exploration and prototyping through to deployment and ongoing support
Contributing to GenAI / LLM-driven use cases and clearly articulating outcomes to technical and non-technical audiences
Writing clean, maintainable, and well-documented code within complex enterprise systems
Taking part in technical reviews and discussions, with a strong focus on value delivery and pragmatism.

What i need from you ...

Strong hands-on development experience in Python and/or other object-oriented languages such as Java
Excellent grounding in statistics, machine learning, and core mathematical concepts
Proven experience delivering production-grade data science solutions in complex environments
Exposure to modern data science tooling, including LLMs and RAG-style approaches
Advanced SQL skills
Experience working at enterprise scale, ideally in trading or similarly data-intensive domains
Strong written and verbal communication skills
Comfortable with technical interview formats, including live coding, OOP design, and SQL challenges

This role requires urgent attention as my client ideally needs people to start in January.

Successful applicants will progress to interview ASAP to make this start date possible.

Should you be interested please do not hesitate to apply now.

About the Company

Paritas Recruitment is a specialist Audit (Business & IT), Risk (Credit, Market, Operational, Quantitative, Regulatory), Compliance and Data Engineering, Data Science, Machine Learning and Technology recruitment agency established to offer our clients and candidates a more personalised and effective service. Our skilled and experienced team of Directors and Consultants recruit across the whole financial services sector, e-commerce, consultancy, healthtech, oil & gas, retail, artificial intelligence, technology and more. ... Know more