AI Engineering Intern

Are you ready to shape the future of capital markets? We are looking for a AI Engineering Intern to join the Technology & Operations team. The position will be based in Paris. You will report to the IT Delivery Manager.

You will primarily be responsible for:

• Designing and developing prompts and skills for AI solutions

• Creating and developing AI-generated reports

• Producing clean, testable and well-documented code

• Writing clear documentation for models, prompts and skills

• Actively contributing to continuous improvement of code and models

• Implementing unit tests and using quality assurance tools

• Adhering to development standards and best practices in AI (ethics, bias, data security)

• Integrating AI solutions via APIs and microservices

Your profile:

• Final year student (Master’s degree or engineering school)

• Technical background, ideally in computer science, AI or data

• Proficient in Python with strong foundations in software development

• Keen interest in generative AI, large language models (LLMs) and agent architectures

• Experience with Transformers models, retrieval augmented generation (RAG) or agent orchestration is a plus

• Experience in prompt engineering, prompt optimisation or evaluation of LLM-based systems is a plus

• Skills in API and web interface development (Flask, FastAPI or equivalent)

• Comfortable with Linux, Git and modern development environments

• Curious, autonomous and proactive

• Ability to explain and document your work clearly

• Good written and spoken English

Join a company where market infrastructure is built on innovation – and where every innovation starts with a bold mind asking, “What’s next?”. At Euronext, we believe change is a starting point, not an obstacle. We look for people who see growth opportunities, think long term and want to help shape capital markets for future generations.

Working with us means:

• Being part of a European, international and diverse team – Collaborate across borders with talented colleagues connected by a shared ambition and purpose.

• Learning as you grow – Develop your skills through continuous learning, real responsibilities and flexible career paths that evolve with you.

• Having an impact – Contribute to projects that matter, in an agile and dynamic environment where your ideas help drive progress.

• Driving sustainability – Play an active role in building transparent, responsible and sustainable capital markets for the long term. Together, we do not just support markets – we help shape their future.

Apply by submitting a CV in English

The Technology & Operations team builds and runs the technology powering Europe’s financial markets. From high-performance trading and post-trade platforms to Clearing House operations and multiple CSDs, our systems process critical market activity every day. Our IT teams design, develop and operate scalable platforms while continuously introducing new capabilities driven by data, automation and AI to better serve our business and clients. With around 800 technology specialists across Milan, Porto, Paris and the Nordics, we deliver end-to-end technology support through two pillars: IT Business Lines, partnering with each core business, and IT Transversal Teams, including Infrastructure and Information Security. Join our team to collaborate with specialists across Europe, contribute to both business-aligned and transversal technology initiatives and help deliver resilient, innovative solutions for the financial markets.