Senior FullStack Developer - App (TypeScript & Python) - CDI

Descartes Underwriting
Paris

ABOUT DESCARTES UNDERWRITING

Join Descartes and contribute to our mission: Building Resilience in a World at Risk.

Descartes is a corporate insurance group for worldwide companies and institutions. Descartes was born from a conviction that the growing complexity of corporate and climate risks demands a new approach to insurance. At the forefront of AI and Data analysis, Descartes utilises cutting-edge technology combined with a new generation of data sources, to model, assess and manage risks.

Since 2019, Descartes has secured a leading position in parametric (re)insurance combining scientific & technological expertise with a new approach. Parametric insurance , also known as index-based insurance, indemnifies clients within days based on pre-defined payout structures when a specific triggering event occurs, the payout process is both fast and transparent. The company has been financed with over $141M by investors including Highland Europe, BlackFin, Serena, Cathay, Eurazeo and Battery Ventures.

Our highly diverse and specialized team of 250+ people includes the largest modelling team in the industry featuring tech and modeling innovators, scientists in physics and climatology, as well as insurance veterans and underwriters. With a global footprint and strong US presence, Descartes serves a diverse portfolio of clients in more than 60 countries, with 20+ offices spread across Europe, Asia-Pacific, Latin and North America.

Find out more on .

ABOUT YOUR ROLE

Due to our consistent growth, we are seeking to expand our Data, Software and DevOps team. At the core of our company, your missions will focus on:

  • Build interactive web applications;

  • Testing and refactoring code already used in existing project;

  • Introducing object oriented patterns in functional code;

  • Profile and optimizing TypeScript and python codes.

đź”” KEY MISSIONS đź””

  • Develop, optimize, update and deploy software for:

- Portfolio management;
- In-depth analysis of risk models;
- Interactive forms and data visualization;
- Export of outputs adapted to users;
- Monitoring of contracts and associated data;
- Testing and validation of existing solutions.

  • Maintain the software solution with:

- Version management;
- Technical Documentation (architecture design, detailed design, validation tests);
- Programming best practices.

  • Support, test and correct the tools of: 

- Continuous integration and continuous development (CI/CD);
- Data storage;
- Modularization and containerization of IT solutions;
- Connection to external and internal API’s.

  • To participate in:

- Assessment and definition of user needs;
- Conversion of technical specification into software development tasks;
- Bug tracking management;
- Software evolution management;
- Choice of technical solutions;
- Discussions with IT partners;
- Improving the skills of technical staff;
- Managing the access and rights of users of internal tools.

TECH STACK

  • OS: Windows

  • Back: Python

  • Front: Typescript

  • Code versioning tool: Git + Gitlab

  • Cloud provider: GCP

ABOUT YOU

EXPERIENCE & QUALIFICATIONS 💻🖥️

[Hard skills]

  • Good knowledge in javascript and python;

  • Experience with Docker;

  • Good knowledge in English and fluency in French;

  • Familiar with production development workflow (code reviews, fast forward git policy, pair coding, SCRUM).

  • From 4 years of experience.

[Soft skills]

  • Desire to train junior developers and explain software design and good practices;

  • Desire to keep learning from more experimented developers;

  • Desire to suggest improvements in architecture or features;

  • Ability to understand break epic track in achievable issues; 

  • Excellent communication skills, in both formal and informal settings, and in English and French.

[Nice-to-have]

  • Experience working with public API;

  • Experience building interactive apps with React JS;

  • Experience working with GCP or equivalent cloud providers;

  • Experience in a microservices architecture;

  • Experience in Agile or TDD;

  • Knowledge of Node JS;

  • Contribution to an open source project.

MINDSET đź’Ą

  • Strong interest with climate issue (it’s not a hoax, many people suffer from it)

  • Being comfortable to work alongside corporate insurers (some still wear suits đź‘”)

  • You enjoy CI/CD automation (or at least appreciate the elegance of a well-crafted pipeline)

  • Willingness to help junior developers (remember how you were when you started đź’¬)

  • Strong team spirit and ability to work (you’ll have to review code and have your code reviewed)

  • Rigorous, creative and meticulous mind (we handle large insurance, we take our time)

  • Strong desire to learn (there’s no limitation to the tech used, we’re happy to test and learn new tools)

  • Eagerness to work in a multi-cultural environment (policies and teams are from all around the world 🗺️)

 

WHY JOIN DESCARTES UNDERWRITING?

  • Opportunity to work and learn with teams from the most prestigious schools and research labs in the world, allowing you to progress towards technical excellence;

  • Commitment from Descartes to its staff of continued learning and development (think annual seminars, training etc.);

  • Work in a collaborative & professional environment;

  • Be part of a dynamic international team, passionate about diversity;

  • Join a company with a true purpose – help us help our clients be more resilient towards climate risks;

  • A competitive salary, bonus and benefits;

  • You can benefit from a punctual home office days.

At Descartes Underwriting, we cherish value of diversity whatever it may be. We are committed to fighting against all forms of discrimination and for equal opportunities. We foster an inclusive work environment that respects all differences.

With equal skills, all our positions are open to people with disabilities.

RECRUITMENT PROCESS

  • Step 1: Call and HR Interview with our Talent Recruiter

  • Step 2: Technical project submitted via GitHub

  • Step 3: Technical interview

  • Step 4: Manager interview

  • Step 5: Final round interview with the team
    (Candidates can opt to have the manager interview before the technical project and interview)

 

Publié le 2026-03-12

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