Front Office Software Engineer

Castleton Commodities International; Stamford; On-site; GBP 45,000 - 70,000; Full time

Job summary

A leading company in global energy trading is seeking a talented developer to enhance trading processes with Python-based solutions. Join a cutting-edge team dedicated to leveraging technology for market analysis and position management, while enjoying extensive employee benefits and learning opportunities.

Benefits

Competitive medical, dental, and life insurance

Employee assistance and wellness programs

Parental and family leave policies

Volunteer days for charity

Tuition assistance and reimbursement

Quarterly Innovation Awards

Employee discount program

Competitive paid time off

Continued learning opportunities

Qualifications

• Strong professional experience with Python and object-oriented programming.
• Advanced knowledge of SQL and relational databases.
• Familiarity with DevOps practices, including Docker and cloud-native deployments.

Responsibilities

• Partner with trading teams to optimize trading processes and models.
• Build and maintain Python-based services and APIs.
• Design solutions for supply and demand models and market data analysis.

Skills

Python

SQL

DevOps

Linux

Windows

AWS

Snowflake

Problem-solving

Attention to detail

Job 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:

• 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.

What You Bring:

• 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.

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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