via Indeed · 18 septembre 2026 ·il y a 1 jour

Internship - 6 months - Full Stack Developer & AI - Application Support F/W

Natixis
Paris Stage
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Company Description
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Natixis Corporate \& Investment Banking is a leading global financial institution that provides advisory, investment banking, financing, corporate banking and capital markets services to corporations, financial institutions, financial sponsors and sovereign and supranational organizations worldwide.

Our teams of experts in close to 30 countries advise clients on their strategic development, helping them to grow and transform their businesses, and maximize their positive impact. Natixis CIB is committed to aligning its financing portfolio with a carbon neutrality path by 2050 while helping its clients reduce the environmental impact of their business.

As part of Groupe BPCE, the second largest banking group in France through the Banque Populaire and Caisse d’Epargne retail networks, Natixis CIB benefits from the Group’s financial strength and solid financial ratings (Standard \& Poor's: A\+, Moody's: A2, Fitch Ratings: A\+,R\&I: A\+).

Job Description
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You are joining our production and IT support teams for the Fixed Income, FX, and Credit activities, who are looking for a developer , for an internship of 6 months from January 2027 .

The teams support users in the trading rooms and ensure the smooth running of the applications necessary for their activities. Support requests are now mainly made in several Microsoft Teams channels. The multiplication and fragmentation of exchanges make it difficult to identify new requests, monitor their processing and ensure that no request remains unanswered.

A POC was developed to extract and structure Teams conversations, then analyze them using artificial intelligence to identify support requests. The objective of the internship is to industrialize this POC in order to make it robust, maintainable, and integrated into the information system.

Technological choices are not fixed. The solution will be able to rely on Python, JavaScript or TypeScript, Node.js and various web frameworks, depending on their relevance with regard to security, integration, maintainability, and operational constraints.

In collaboration with your tutor, your main tasks will be:

  • Understand the activities of the production and support teams as well as the functioning of the existing POC;

  • Define and implement an architecture to industrialize the collection and analysis of Teams conversations;

  • Make the detection, grouping, and qualification of support requests more reliable using artificial intelligence;

  • Develop the APIs and integration mechanisms needed to create and synchronize tickets in ServiceNoW;

  • Design a web console to view, filter, assign and track requests in real time;

  • Set up testing, logging, supervision, error management, and continuous integration;

Document the solution and prepare it for support by production and support teams.
  • \#Transformative finance
You operate in an international and inclusive environment, fostering collaboration with concrete missions and a real impact. We will accompany you throughout your experience with us so that you can learn and develop your skills working alongside experienced professionals.

You also have the opportunity to engage in favor of society and causes that are important to you through our corporate foundation.

In addition to an attractive internship allowance calculated according to your training and level of education, you benefit from a reimbursement of 60% of your transport ticket, one paid day of authorized leave for each month worked, and access to the company’s restaurant.

You will also have access to the works council.

Required Skills/Qualifications/Experience
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As a Bac\+4/5 student, you are preparing a degree (university, engineering or business school) with a specialization in computer science.

You have a solid foundation in software development and are proficient in at least one language such as Python, JavaScript or TypeScript.

You want to strengthen your skills around the development of REST APIs, Node.js or a Python framework, web development, SQL databases, Git, automated tests, Docker and CI/CD strings.

You have a strong interest in generative AI, language models (LLM) and their integration into business applications.

Curious, rigorous and autonomous, you know how to propose pragmatic solutions while taking into account the issues of safety, maintainability and operation.

You have good interpersonal skills and are comfortable collaborating with IT teams, clients, and application production teams.

And last but not least, you are perfectly fluent in English.

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