Front Office Software Engineer
Location
London, England, United Kingdom
Posted At
8/6/2025
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Description
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!
What You Build:
CCI offers competitive benefits and programs to support our employees, their families and local communities. These include:
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!
What You Build:
- 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.
- Strong professional experience with Python and deep understanding of object-oriented programming.
- 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.
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
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