Trading Quantitative Modeller
SmartestEnergy
Company Overview
SmartestEnergy Limited, a wholly owned subsidiary of Marubeni Corporation
London, United Kingdom
2000
Approximately 400 employees (source: zoominfo.com). Revenue estimated at $99.5 million in 2023 (source: zoominfo.com).
What They Do
SmartestEnergy specializes in renewable electricity wholesale, retail, trading, and production, focusing on flexibility-backed models and independent renewable generation aggregation. The company offers a range of products and services, including 100% renewable supply contracts tailored for large commercial and industrial businesses, as well as small and medium enterprises (SMEs) through its SmartestEnergy Business division. Their target markets include B2B clients in the UK, US, and Australia, with a strong emphasis on helping firms transition to net zero. SmartestEnergy differentiates itself through its asset-light approach, leveraging Marubeni Corporation's financial stability and expertise in renewable procurement risks and opportunities (source: smartestenergy.com).
Projects & Track Record
While specific project details such as named developments or capacities are not extensively documented, SmartestEnergy has established itself as a leading independent renewable purchaser in the UK. The company has received accolades such as the UK Energy Supplier of the Year awards in 2012 and 2018, and it was the first to launch a certified 100% renewable product for commercial and industrial clients in 2015. Their ongoing efforts focus on expanding their market presence and enhancing their origination capabilities, particularly in the US and Australian markets (source: smartestenergy.com).
Recent Developments
In 2023, SmartestEnergy launched a new brand identity and extended its renewable product accreditation to UK SMEs, marking a significant step in its growth strategy. The company also expanded into the New England ISO market and achieved the top ranking in customer satisfaction for small suppliers according to a DNV survey. Additionally, the workforce grew by 24% with the addition of 21 new employees, particularly in origination roles, reflecting the company's commitment to enhancing its capabilities in the renewable energy sector (source: smartestenergy.com).
Working There
SmartestEnergy offers a dynamic work environment with roles spanning trading, origination, commercial, sales, and operations. The company has multiple office locations across the UK, including its headquarters in Canary Wharf, London, and additional offices in Ipswich, Worthing, Manchester, and Glasgow. The culture emphasizes collaboration and transparency, supported by Marubeni's backing, which provides long-term stability. Employees benefit from networking opportunities and initiatives such as the Women Utilities Network, although specific benefits are not detailed in available sources (source: smartestenergy.com).
Contact
Last updated on 2025-12-27 | Report an issue
This is a genuinely exciting time to join our Trading Team as we continue to expand - be a part of our success story in 2025 and beyond.
As part of a small team, you will develop analytical tools and working models to support data-driven decision making across our teams to enable each trading desk to deliver business outcomes with greater agility, productivity and effectiveness.
How will I spend my time in this role?
- Collaborate with business stakeholders to develop new models and analyse market trends;
- Design, develop and continuously improve models to enable refinement of trading strategies and support data-driven decision-making;
- Deployment of data science and automation techniques to assist in trading decision making and trade execution (Algo Trading);
- Develop and maintain data flows in and out of trading related databases, working in collaboration with the data team to develop and leverage enterprise data;
- Develop and maintain the trading related data repositories supporting business processes required to effectively support data-driven decision making
- Provision of bespoke analysis to the trading group.
What skills/experience do I need to be successful?
- Experience of quantitative modelling techniques with the ability to create complex financial models;
- Knowledge and experience working with technologies such as Python, VBA, C#, C++;
- Good knowledge of SQL interactions from a coding environment and best practices.
What sets us apart?
- Global Impact: With offices in the UK, US, and Australia, and plans for further expansion, you'll be part of a dynamic, globally-minded team, with opportunities to explore new markets and make a difference on a global scale.
- Flexible Working: Embrace the freedom to work from anywhere in the world for up to 30 days a year. We prioritize work-life balance, recognizing that your well-being matters. Find out more here.
- Commitment to Diversity and Inclusion: We celebrate our diverse culture and value individuals irrespective of background, disability, religion, gender identity, sexuality, or ethnicity. Join a team where diversity is not just welcomed but celebrated as a key driver of growth and innovation.
What happens next?
Once we receive your application, it will be reviewed by a human - no bots here! The average process typically takes around 2-3 weeks, with 2 stages of video interviews using Teams. However, this can vary depending on the role. We may invite you for a face-to-face meeting or require only 1 video interview. If you have any questions or need support, our Recruitment Team is here to assist you.
Ready to join us on our journey to digitise, decarbonise, and localize the future of energy? Apply now.
We're committed to making the application process easy and comfortable. Let us know how we can help you with any reasonable adjustments that can be tailored to your needs. At the bottom of each of our adverts you can find one of our recruitment teams' contact details. Please reach out so we can discuss with you further.
Get Job Alerts
Get job alerts for opportunities in London, United Kingdom
About the role
December 24, 2025
Full Time
Company
January 13, 2026
Flexible
- London, United Kingdom
Experience in quantitative modelling techniques
UTC+00:00
Apply now
Job expired?Please let SmartestEnergy know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Discover how you’re connected
View connectionsSee your contacts at SmartestEnergy on LinkedIn to leverage your network in applying for this position.
