Index Structuring intern

Are you ready to shape the future of capital markets? We are looking for an Index Structuring Intern to join the Index team. The position will be based in Paris, and start in September 2026 for a six-month internship. You will report to the Head of Sell Side Index Structuring.

You will primarily be responsible for:

• Enhancing the index library with new tools, including calculation formulas, risk models and performance attribution methods

• Developing scripts to simulate investment strategies and automate reporting processes

• Ensuring consistency of internal databases and performing data quality checks for index design

• Conducting market research to identify areas of growth and innovation

• Assisting in the definition of new index methodologies tailored to investor needs

Your profile:

• Master’s degree in business, finance, audit or law (or currently enrolled)

• Excellent proficiency in Microsoft Office (Excel and Word) and Python

• Full professional proficiency in English

• Rigorous, curious and autonomous, with a hands-on approach and strong attention to detail

• Team player with intercultural competence and excellent communication skills

• ESG expertise is a plus

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 don’t just support markets — we help shape their future.

Apply by submitting a CV in English

Euronext’s Index team is dedicated to designing, developing and promoting innovative indices that serve as benchmarks for Europe’s financial markets. Our team tackles complex challenges and delivers advanced solutions, driving the strategic growth of Euronext’s index business. We collaborate to shape flagship products such as our blue-chip and benchmark indices for institutional and sell-side clients, drawing on our expertise in quantitative research, index structuring and client services. Join the Index team to contribute directly to the creation of market-leading indices, support clients in achieving their investment objectives, and develop your expertise in a fast-evolving sector.

Join Euronext – Shape capital markets for future generations Euronext is the leading European capital market covering the entire capital markets value chain, from listing, trading, clearing, settlement and custody, to solutions for issuers and investors. We operate seven national stock exchanges, handling 25% of European lit equity trading. Our products include equities, FX, ETFs, bonds, derivatives, commodities and indices. Euronext also provides clearing and settlement services through Euronext Clearing and our network of Euronext Securities CSDs. In addition, Euronext runs MTS, one of Europe’s leading electronic fixed income trading markets, and Nord Pool, the European power market. The company has a diverse domestic and international client base.
Find out more about us at: Euronext.com

Euronext Values

Unity

•        We respect and value the people we work with

•        We are unified through a common purpose

•        We embrace diversity and strive for inclusion

Integrity

•        We value transparency, communicate honestly and share information openly

•        We act with integrity in everything we do

•        We don’t hide our mistakes, and we learn from them

Agility

•        We act with a sense of urgency and decisiveness

•        We are adaptable, responsive and embrace change

•        We take smart risks

Energy

•        We are positively driven to make a difference and challenge the status quo

•        We focus on and encourage personal leadership

•        We motivate each other with our ambition

Accountability

•           We deliver maximum value to our customers and stakeholders

•           We take ownership and are accountable for the outcome

•           We reward and celebrate performance

We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect.

Additional Information

This job description is only describing the main activities within a certain role and is not exhaustive. It does not prevent to add more tasks, projects.