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Paris, Île-de-France, France
Onsite
Are you ready to shape the future of capital markets? We are looking for a Tooling Engineer Intern – Capacity & Performance to join the Capacity & Performance team. The position will be based in Paris, and start in July or September. You will report to the Head of Market and Tools Technology.
You will primarily be responsible for:
Designing and implementing simple, user-friendly interfaces (UI, dashboards, tools) to enable users to select input data, choose analysis types and launch AI-driven processing
Integrating front-end components with existing AI-based analysis logic and orchestrating workflows between UI, scripts and backend processing tools
Contributing to the automation of analysis workflows and developing scripts to simplify tool execution and usage
Ensuring tools are easy to use, reliable and reproducible, gathering feedback from users and iterating on improvements
Providing clear and concise documentation for end users, ensuring deliverables are reusable for future automation phases
Your profile:
Strong interest in AI tools, automation and software development
Experience with VS Code, Python or similar scripting languages
Basic front-end development skills (e.g. simple web apps, dashboards)
Ability to design clean and intuitive user workflows
Familiarity with prompting, large language model (LLM) usage, AI tooling orchestration and integration of AI into applications using MCP protocols
Proficiency in English is required; proficiency in French or other languages spoken within Euronext markets (Portuguese, Italian, Dutch, etc.) is advantageous but not mandatory
Knowledge of performance analysis, distributed systems or financial systems/market data 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 do not just support markets – we help shape their future.
Apply by submitting a CV in English
The Capacity & Performance team is responsible for ensuring the stability, scalability and optimal performance of mission-critical exchange systems, including market data platforms, trading infrastructure and real-time processing systems. The team focuses on performance engineering and optimisation, capacity planning and forecasting, observability and monitoring, operational resilience and innovation in monitoring and automation.
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.
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.