Python Developer - Risk Reporting M/F

France | Sept. 28, 2026

Report as Closed

Company: NEXTON

Country: France

Type: Onsite

Employment: Full Time

Description:

Description of the company

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 large account clients and pure players such as SNCF, Orange, and BNP Paribas in their digital evolution and innovation strategies.

Founded in 2011, NEXTON today 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.

Job description

NEXTON is recruiting a Python Developer - Risk Reporting M/F, on a CDI basis, in Paris!

Your future working environment:

You will join the teams of one of our major client accounts in the banking sector to intervene on the evolution of key regulatory reporting and risk data infrastructures. At the heart of an environment combining market risk management and technical industrialization, you will participate in the strategic migration of metric calculation tools (RWA, VaR, FRTB) to the bank's internal frameworks.

Your role will be decisive in guaranteeing the quality, integrity of financial data and the implementation of rigorous control plans.

Your missions:

• Carry out the audit of the existing Python reporting tool and design the mapping of its dependencies.

• Manage and execute the technical migration plan from the external environment to the internal Risk Reporting Center framework.

• Adapt and develop Python scripts to ensure optimal compatibility with the new ecosystem.

• Design, execute and document non-regression tests to validate the functional equivalence and integrity of the calculations.

• Participate in needs analysis and functional/technical design to extend the tool to Counterparty Risk and CVA charge.

• Implement key control points on the RWA calculation chain in order to secure the data transmitted to Finance teams.

• Write technical and user documentation as well as control procedures associated.

• Provide support during the production phases and support change with users.

Qualifications

• A minimum of 3 to 5 years of experience in Python development, ideally acquired in the banking or financial sector.

• Advanced mastery of the Python language and configuration formats (YAML, TOML, JSON).

• Good knowledge of front-end web development (JavaScript, HTML) and associated frameworks (Flask).

• Appreciated understanding of the issues linked to market risks, counterparty risks or RWA / Basel calculations.

• Rigour, analytical mind, autonomy and interpersonal skills to evolve in a demanding context on site.

Additional information

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.

▶ Sports and festive events for flourish.

▶ A sustainable mobility package to make your daily life easier and encourage soft mobility.

▶ A latest generation phone to stay connected.

Ready to join us?Let's meet!

NEXTON

Apply here:

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