Full-Stack Front Office Software Engineer

Castleton Commodities International () is redefining how data and technology drive the future of global energy trading. Our Data Science & Technology team is at the forefront of this evolution, designing powerful systems and innovative tools that help our front‑office teams understand market behavior, forecast price movements, and manage risk more effectively.

With a commitment to excellence and a modern, open‑source technology stack, we solve complex, high‑impact challenges m cloud‑native infrastructure and machine learning platforms to real‑time analytics, custom APIs, and internal libraries, we build the tools that give CCI a competitive edge in the global commodities markets.

If you're looking to build cutting‑edge solutions in a high‑performance trading environment, we’d love to hear from you. Apply today and take the next step in your technology career at CCI!

• Partner directly with commercial trading teams to engineer and optimize trading processes and analytical models.
• Build and maintain Python-based services and APIs using modern frameworks and best‑in‑class design patterns.
• Design & develop solutions to support supply and demand models, market data analysis, and position management.
• Design cloud‑native tools that integrate seamlessly into our Front Office platform, including visualization and analytics interfaces.

• Bachelor's or Master's degree in Computer Science or a related STEM field
• 5+ years of prior full‑stack professional programming experience in Python, React or Angular.
• Advanced understanding of object‑oriented programming concepts.
• Familiarity with cloud platforms (e.g., AWS) and data warehousing solutions (e.g., Snowflake).
• Working knowledge in Linux and Windows environments.
• Knowledge of Dev Ops practices and CI/CD pipelines.
• Prior exposure to or a demonstrated interest in finance, quantitative trading, or the commodities markets.
• Ability to communicate and interact with a wide range of users ranging from very technical to non‑technical.
• Results‑oriented team player who can handle rapidly changing projects and priorities while maintaining a strong professional presence.
• Strong analytical skillset with demonstrated attention to detail.
• 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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