Data Analyst / Python Developer & BI M/F

NextonParisJob.bopublished 09/09/2026
Must-have:PythonDataAI
Machine translation — original language: French.Show original

Who are we?

Joining NEXTON means joining a company where the spirit of a consulting firm, the creativity of a Factory, and the dynamics of an ESN converge! Thanks to our expertise, we support major accounts and pure players such as SNCF, Orange, and BNP Paribas in their digital evolution and innovation strategies.

Founded in 2011, NEXTON now brings together a team of more than 450 experts specializing in digital, design, agility, product, and development. Together, they create an ecosystem rich in knowledge and diversified skills.

NEXTON is recruiting a Data Analyst / Python Developer & BI M/F, on a CDI contract, in Paris!

Your future work environment:

We are recruiting a Data Analyst / Python Developer & BI to support a leading international banking player! Within a cross-functional team dedicated to quantitative solutions, modeling, and simulation systems, you will actively participate in the modernization of analytical platforms, the automation of reporting flows, and the integration of artificial intelligence technologies. Your role consists of acting as a bridge between modelers, business experts, and IT teams to transform existing processes into sustainable industrial solutions.

Your missions:

  • You design and develop industrialization scripts and modules in Python to automate recurring calculations and reduce manual processing in spreadsheets.
  • You create, optimize, and deploy advanced management dashboards in Power BI to ensure the monitoring of key metrics.
  • You contribute to the prototyping and integration of generative AI use cases (LLM, RAG, intelligent agents, workflow automation).
  • You support quantitative and business teams in the redesign, reliability, and documentation of their calculation and reporting processes.
  • You guarantee code quality, data traceability, and the maintainability of the developed solutions.
  • You participate in operational coordination and monitor the progress of technical projects with IT.

With a higher education level of Bac +5 (Engineering School or University Master's in Data Science, Computer Science, Applied Mathematics, or Quantitative Finance), you have at least 5 years of experience in data industrialization, Business Intelligence, or data-oriented development missions.

You possess sharp expertise in Power BI (data modeling, DAX, creation of complex dashboards) as well as an expert level in Excel (complex analyses, transition of legacy files).

You master Python for data manipulation, automation, and the development of software components (Pandas, NumPy, etc.).

You have a strong appetite for and concrete practice of generative AI tools and architectures (LLM, RAG mechanisms, AI agents).

You demonstrate excellent interpersonal skills to interact effectively with multidisciplinary teams (quants, IT, business).

You express yourself fluently in English, both orally and in writing, to evolve in an international environment.

Why choose NEXTON?

We offer you benefits and opportunities to enrich your professional and personal experience throughout the year:

  • Dynamic communities to support you in your journey.
  • Meet Ups to develop your skills.
  • Training to reinvent yourself and progress.
  • Sporting and festive events to thrive.
  • A sustainable mobility package to facilitate your daily life and encourage soft mobility.
  • A latest-generation phone to stay connected.

Ready to join us? Let's meet!

NEXTON