Senior Full-Stack Front Office Software Engineer

Castleton Commodities International (www.cci.com) 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 at scale. From 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!

Responsibilities:

• 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.
  
  

Qualifications:

• 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 DevOps 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.
  
  

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!