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Descartes Underwriting Logo Descartes Underwriting · IT - Software Development

Lead Software Engineer Scientific Engine

France, Paris · Job Posted December 08, 2025
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Job Description

Lead Software Engineer to manage a team of 4. As team lead, you will oversee: The python scientific engine of a business use case; The processes to make each individual software engineer excel at their work

Job Responsibility

  • Contribute directly on the code base either individually, in pairs or more
  • Organize REX sessions to share the knowledge received with the rest of the team
  • Ensure compliance to internal standards and practices
  • Present the progress and goals
  • Contribute to the technical roadmap through architecture meetings, design documents
  • Lead & coach your engineer team to consistently deliver according to their roadmap
  • Provide expertise to help your team: 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 development and continuous integration (CD/CI)
  • 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 your technical staff
  • Managing the access and rights of users of internal tools

Requirements

  • 1 year or more of technical management experience
  • Handling human interactions between tech and business
  • Experience mentoring a team of software engineers by unblocking complex situations and sharing best practices (code reviews, pair programming..)
  • Scoping and defining tech priorities according to roadmap and maintenance
  • Excellent communication skills, in both formal and informal settings, and in English and French
  • 3 years of experiences as a software engineer or data scientist
  • Solid knowledge in Python
  • Solid engineering background: master in computer science, mathematics, physics or earth science
  • Experience optimizing and profiling python code
  • Experience in a microservices architecture
  • Good knowledge with Docker
  • Solid knowledge production development workflow (code reviews, fast forward git policy, TDD)
  • Fluent in English and in French
  • Strong interest with climate issue
  • Being comfortable to work alongside corporate insurers
  • You enjoy CI/CD automation
  • Willingness to help junior developers
  • Strong team spirit and ability to work
  • Rigorous, creative and meticulous mind
  • Strong desire to learn
  • Eagerness to work in a multi-cultural environment

What we offer

  • Opportunity to work and learn with teams from the most prestigious schools and research labs in the world
  • 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, 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
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