Senior Front Office Software Engineer

Reposted 3 Days Ago
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London, Greater London, England
In-Office
Mid level
Energy
The Role
Collaborate with trading teams to develop Python-based services, APIs, and cloud-native tools for market analysis and risk management.
Summary Generated by Built In
Castleton 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 systems and innovative tools that power our commercial decision-making. We build the platforms 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. We develop everything in cloud-native infrastructure from real-time analytics to back testing engines, third party integrations, and internal libraries, all designed to give CCI a competitive edge in the global commodities markets. This role is an opportunity to build solutions that have a direct commercial impact from day one.

Responsibilities:

  • Partner directly with traders and analysts to engineer and optimize trading processes, analytical models, and systematic strategies. 

  • Build and maintain scalable, high-performance Python services and APIs that power our analytics platform.

  • Develop solutions to support supply and demand models, market data analysis, and strategy research. 

  • Design and implement cloud-native tools, including real-time analytics, visualization interfaces, and workflow automation, that integrate seamlessly into our Front Office platform. 

Qualifications:

  • Bachelor's or Master's degree in Computer Science or related technical field of study.

  • 10+ years of professional Software Engineering experience in Python, leveraging modern frameworks, APIs, and cloud-native architecture.

  • Strong foundation in Computer Science fundamentals, including data structures, algorithms, and software design principles.

  • Advanced knowledge of SQL and relational database technologies.

  • Familiarity with DevOps practices, including Docker and cloud-native deployments.

  • Experience in Linux and Windows environments.

  • Exposure to AWS and Snowflake technologies is highly desirable.

  • Prior experience in energy or commodities trading is a major plus.

  • Ability to communicate effectively across technical and non-technical audiences.

  • Strong attention to detail, problem-solving skills, and a passion for technology innovation.

  • Must be able to work effectively in a fast-paced, dynamic and high-intensity environment including open-floor plan if applicable to the position, with timely responsiveness and the ability to work beyond normal business hours when required. 

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 opportunities

Visit  https://www.cci.com/careers/life-at-cci/# to learn more!

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Top Skills

AWS
Docker
Python
Snowflake
SQL
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The Company
HQ: Stamford, CT
573 Employees
Year Founded: 2001

What We Do

Castleton Commodities International is an independent global energy commodity 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.

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