Gain Real-World Experience as a Full-Stack Software Engineer Intern at CCI
Are you a driven student looking to gain hands-on experience in software engineering within the fast-paced world of commodities trading? Castleton Commodities International (CCI) is offering a Summer 2027 internship opportunity for motivated individuals to join their Global Data Science & Technology team. This program is designed for students eager to build quality software that directly impacts trading, analytics, and investment workflows. You will have the chance to collaborate with experienced engineers and data scientists, contributing to a cutting-edge analytics platform.
Key Takeaways
- The CCI Full-Stack Software Engineer Internship offers students hands-on experience building software for commodities trading and analytics.
- Interns will work on projects involving front office software, pricing model optimization, microservices, data visualization, and cloud-native applications.
- Key responsibilities include developing Python microservices, creating data dashboards with Streamlit, and using AWS services like Kubernetes.
- Candidates need a degree in a technical field, strong Python skills, experience with Git, and a desire to learn about financial markets.
About Castleton Commodities International (CCI)
CCI is a prominent global energy commodities merchant and infrastructure asset investor. The company actively deploys capital in both physical and financial commodity markets, using its market insights and access to drive its investment strategies. CCI also invests in and develops commodity infrastructure assets, leveraging its deep market expertise, operational capabilities, and industry knowledge. This integrated approach has consistently generated strong risk-adjusted returns for its investors since the company’s inception.

The Internship Opportunity: Full-Stack Software Engineer Intern
CCI is building a leading-edge analytics platform, recognizing that staying at the forefront of data management and analytics is key to its investment success. The Full-Stack Software Engineer Internship is ideal for students with strong technical skills and a keen interest in financial markets and trading systems. Interns will work in CCI’s Stamford, CT office, contributing to the company’s front office platform through practical development projects.

Key Responsibilities and Learning Opportunities
As a Full-Stack Software Engineer Intern, you will engage in a variety of tasks that offer significant learning experiences:

- Front Office Software Development: Contribute to the creation of front office software tools. These tools are essential for supporting real-time trading, market data analysis, and visualization.
- Pricing Model Optimization: Work alongside the commercial trading team to refine and re-engineer pricing models. You will also help optimize decision tools and trading workflows.
- Microservices and API Development: Build and improve Python-based microservices and APIs. These are used for internal data access and to automate various operations.
- Data Visualization: Assist in developing data visualization dashboards using libraries like Streamlit. These dashboards will integrate key commercial performance indicators, price curves, and supply/demand analytics.
- Cloud-Native Application Development: Participate in developing cloud-native applications using Amazon Web Services (AWS). This includes working with services such as Kubernetes and Kafka.
- DevOps and Automation: Support the automation of deployment processes. You will use modern DevOps tools like Git, Docker, Helm, and CI/CD pipelines.
- Machine Learning Integration: Collaborate with the Data Science team to help integrate machine learning-driven analytics into the front office workflows.
Qualifications for Aspiring Interns

To be considered for this internship, candidates should meet the following qualifications:
- Education: Currently pursuing a Bachelor’s or Master’s degree in Computer Science, Engineering, Management Information Systems, or a related technical field.
- Graduation Timeline: Expected graduation date of Winter 2027 or Spring/Summer 2028.
- Programming Skills: Strong programming experience in Python is required. Familiarity with libraries such as Pandas and NumPy is preferred.
- Development Tools: Experience with version control tools like Git and an understanding of software development best practices are necessary.
- Problem-Solving: Demonstrated strong problem-solving abilities and a genuine eagerness to learn about financial markets and trading systems.
- Communication: Excellent communication skills are essential for effective collaboration in a fast-paced environment.
- Teamwork: The ability to work effectively within a collaborative team setting is important.
How to Apply

If you are ready to take on this exciting challenge and gain valuable industry experience, CCI encourages you to apply. The application deadline is September 1st at 11:59 pm EST.
You can find more details and submit your application through the CCI Careers portal:
Full-Stack Software Engineer Internship (Summer 2027) Application
This internship offers a unique chance to contribute to a leading global company and develop your skills in a dynamic and rewarding field.
Conclusion
The Full-Stack Software Engineer Internship at Castleton Commodities International provides a fantastic opportunity for students to apply their technical knowledge in a real-world trading and analytics environment. By working on impactful projects, collaborating with industry professionals, and gaining exposure to modern technologies like Python, AWS, and data visualization tools, interns will build a strong foundation for their future careers. If you meet the qualifications and are eager to learn, consider applying for this Summer 2027 program.
Frequently Asked Questions
What is Castleton Commodities International (CCI)?
CCI is a global energy commodities merchant and infrastructure asset investor that uses market insights to drive investment strategies.
What will I do as a Full-Stack Software Engineer Intern at CCI?
You will contribute to front office software, optimize pricing models, build Python microservices, develop data visualizations, and work with cloud technologies.
What qualifications are needed for this internship?
You need to be pursuing a technical degree, have strong Python programming skills, experience with Git, and good problem-solving abilities.
When is the application deadline for the Summer 2027 internship?
The application deadline is September 1st at 11:59 pm EST.

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