Paris, FR

Job Term



Descartes was born out of the conviction that climate change calls for a revolutionary approach in insurance to better protect corporations, governments, and vulnerable communities. We offer a new generation of parametric insurance that builds resilience against the full spectrum of climate and emerging risks. Utilizing Machine Learning and real-time monitoring from satellite imagery & IoT, our state-of-the-art climate tech provides innovative coverage for all trade sectors in all regions of the world. After a successful Series B raise of $120M USD, Descartes Underwriting is proud to be recognized among the French Tech Next40 and launched Descartes Insurance, a ‘full stack’ insurer licensed to underwrite risk by the French Regulator (ACPR). With a growing corporate client base (250+ and counting) - our diverse team is headquartered in Paris and operates out of our 12 global offices in North America, Europe, Australia, Singapore, and Hong Kong.



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:

  • Testing and refactoring code already used in existing project
  • Introducing object oriented patterns in functional code
  • Harmonizing data structures to streamline computation pipelines
  • Time profiling and optimizing python code
  • Implementing and testing scientific models



  • Develop, optimize and update software for:
    • Calculation of risk models
    • Data collection, preparation and visualization
    • Export of outputs adapted to users
    • Testing and validation of existing solutions
    • Monitoring of contracts and associated data
  • Support, test and correct the tools of:
    • Continuous integration and continuous development (CI/CD)
    • Data storage
    • Version management of scrips, codes, languages and computer systems
    • Modularization and containerization of IT solutions
    • Connection to external and internal API’s
  • To participate in:
    • The assessment and definition of user needs
    • Modeling the risks of underlying contracts
    • The choice of technical solutions
    • Discussions with IT partners
    • Improving the skills of technical staff
    • Managing the access and rights of users of internal tools



  • Cloud provider: GCP
  • Code versioning tool: Git + Gitlab
  • OS: Linux
  • Code base: Python


  • Laptop: Dell Latitude 7530
  • OS: you decide




[Hard skills]

  • Solid knowledge in one of the following languages python, C/C++ or java
  • Good knowledge in python
  • Solid scientific background
    • bachelor in computer science, mathematics, physics, climate science
    • contact with scientific domain (e.g. robotic, physics engine in video game, data science)
  • Experience with Docker
  • Experience in TDD
  • Good knowledge in English and fluency in French
  • Familiar with production development workflow (code reviews, fast forward git policy)

[Soft skills]

  • Desire to train junior developers and explain software design and good practices
  • Desire to suggest improvements to the architecture
  • Ability to understand break epic track in achievable issues


  • Experience working with public API with python
  • Experience optimizing and profiling python code
  • Experience in a microservices architecture
  • Experience in HPC
  • Contribution to an open source project



  • Strong interest in climate issues (it’s not a hoax, many people suffer from it)
  • Being comfortable to work alongside corporate insurers (some still wear suits πŸ‘”)
  • 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 πŸ’¬)
  • 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 πŸ—ΊοΈ)


  • Opportunity to work and learn with top data scientists from the most prestigious schools and research labs in France, 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 an international team that values diversity;
  • Benefit from a nice referral scheme for successfully referring peers;
  • You can benefit from a hybrid work mode thanks to our telecommuting agreement.


You may check off several but not necessarily all the expected boxes? Motivation and feeling are key elements for us!

If you want to develop your skills and work in a friendly start-up atmosphere, don't hesitate and send us your application!

At Descartes Underwriting, 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.


  • 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)
Apply now