Full-Stack Software Engineer Internship… at Castleton… · Stamford

Summary: Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. They are looking for a motivated and detail-oriented Front Office Software Engineering Intern to join their Global Data Science & Technology team, contributing to the development of software tools that support trading and analytics workflows. Responsibilities: - Contribute to the development of front office software tools that support real-time trading, market data analytics, and visualization - Work with the commercial trading team to optimize and re-engineer pricing models, decision tools, and trading workflows - Build and enhance Python-based microservices and APIs for internal data access and operations automation - Assist in building data visualization dashboards using libraries such as Streamlit, integrating commercial KPIs, price curves, and supply/demand analytics - Participate in cloud-native application development using AWS services, including Kubernetes and Kafka - Support automation of deployment processes using modern DevOps tools (e.g., Git, Docker, Helm, CI/CD pipelines) - Collaborate with the Data Science team to help integrate ML-driven analytics into front office workflows Required Qualifications: - Currently pursuing a Bachelor's or Master's degree in Computer Science, Engineering, Management Information Systems, or related technical field of study - Expected graduation date of Winter 2026 or Spring/Summer 2027 - Strong programming experience in Python (preferred libraries: Pandas, NumPy, etc.) - Front-End programming experience using React or Angular, with strong JavaScript/TypeScript fundamentals - Familiarity with version control tools (e.g., Git) and software development best practices - Strong problem-solving abilities and an eagerness to learn about financial markets and trading systems - Excellent communication skills and ability to work in a fast-paced, collaborative environment Required Skills: Python, AWS, React Important Skills: JavaScript, Git Nice-to-Have Skills: Problem-solving, Communication Internship Start Date: Start in 2026 Summer