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Senior Front Office Software Engineer

Castleton Commodities International LLCStamford, CT

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Overview

Schedule
Full-time
Alternate-schedule
Education
Bachelor's/Undergraduate Degree
Career level
Senior-level
Benefits
Career Development
Retirement Savings
Education Assistance

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!

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.

  • Strong professional experience in any programming language; Python strongly preferred.

  • Prior experience developing front-end applications utilizing React, Angular, TypeScript is strongly preferred.

  • Proficiency in SQL and relational database technologies

  • Familiarity with modern DevOps 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 strongly preferred.

  • Ability to communicate effectively across technical and non-technical audiences.

  • Strong attention to detail, problem-solving skills, and a passion for technology innovation.

  • Ability to work effectively in a fast-paced, dynamic and high-intensity environment including an open-floor plan, with timely responsiveness and the ability to work beyond normal business hours when required.

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!

#LI-CD1

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FAQs About Senior Front Office Software Engineer Jobs at Castleton Commodities International LLC

What is the work location for this position at Castleton Commodities International LLC?
This job at Castleton Commodities International LLC is located in Stamford, CT, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.
What pay range can candidates expect for this role at Castleton Commodities International LLC?
Employer has not shared pay details for this role.
What employment applies to this position at Castleton Commodities International LLC?
Castleton Commodities International LLC lists this position under the following employment categories:
  • Full-time
  • Alternate-schedule
What experience level is required for this role at Castleton Commodities International LLC?
Castleton Commodities International LLC is looking for a candidate with "Senior-level" experience level.
What education level is required for this job?
The education requirement for this position is Bachelor's/Undergraduate Degree. Candidates with relevant qualifications or equivalent experience may also be considered.
What benefits are offered by Castleton Commodities International LLC for this role?
Castleton Commodities International LLC offers following benefits: Career Development, Retirement Savings, Education Assistance, Dental Insurance, Health Insurance, Life Insurance, Community Service, Paid Time Off, and Parental Leave for this position. Actual benefits may vary depending on the employer's policies and employment terms.
What is the process to apply for this position at Castleton Commodities International LLC?
You can apply for this role at Castleton Commodities International LLC either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.