AI-Powered Developer Intern in LNG & Crude Trading (m/f/d)

AI-Powered Developer Intern in LNG & Crude Trading (m/f/d) About Calypso Commodities Calypso Commodities is an AI software company specializing in optimization solutions for global commodity trading. Our clients are major energy companies and global trading houses who do physical trading of LNG and crude oil. They use our software daily to optimize their trading decisions and portfolio management. Our flagship product X-LNG is the leading optimization platform for LNG trading worldwide. Headquartered in Berlin with offices in London and Regensburg.

About the Role Join our team and work at the intersection of quantitative analysis, commodity trading, and AI development. You will use AI tools to build quantitative trading solutions, answer complex client questions, and develop features in our optimization software. You will work closely with the CTO and interact with real traders at major energy companies.

Responsibilities

You will code a lot , using AI tools like Cursor, Claude Code, and Codex and burn tokens Develop quantitative trading analyses and case studies for clients Use LLMs and AI agents to automate trading analysis and client workflows Build and improve features in our optimization software Work with real market data and trading scenarios Use Python for data science analysis and quantitative modelling Support client interactions and project delivery Support on general startup topics as they come up

Qualifications

Pursuing or completing a Bachelor's or Master's degree in Mathematics, Computer Science, Physics, or a quantitative field with strong academic performance Solid Python programming skills Hands-on experience with AI-assisted development (e.g. Cursor, Claude, Copilot, ChatGPT) Strong mathematical foundation and analytical thinking Interest in commodity trading, energy markets, or quantitative finance Self-motivated with a hands-on mentality Currently based in Berlin

Bonus:

You've built a project or prototype using AI tools.

What to Expect

You will code a lot.

A steep learning curve in both commodity trading and AI-assisted software development. Direct collaboration with founders and senior team members. Exposure to global energy markets and enterprise clients. Responsibility for real deliverables from the start.

Additional Information

(Mandatory) internship (Pflichtpraktikum) or working student arrangement Minimum 5 months Flexible start date 2 week trial period