Senior Front Office Software Engineer

Castleton Commodities International () 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 backtesting 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. What You Build:

• Partner directly with traders and analysts to engineer and optimize trading processes, analytical models, and systematic strategies.
• Build and maintain robust, performant Python-based 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.

• Strong professional experience in any programming language (python would be a plus)
• Good knowledge of SQL and relational database technologies.
• Familiarity with modern Dev Ops practices.
• Exposure to AWS and Snowflake technologies is highly desirable.
• Prior experience building or working on back testing engines and systematic trading is a plus.
• 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.

• 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

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