Senior Software Engineer (Python) - XTM One

New
F
FiligranCybersecurity
FranceFull-TimeSenior
SalaryCompetitive pay + equity
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Job Details

Languages
English, French
Required Skills
PythonFull Stack DevelopmentTypeScriptGenerative AI

Requirements

  • Senior experience in Full Stack development.
  • Strong proficiency in TypeScript and Python.
  • Ability to think critically about software architecture.
  • Experience with GenAI frameworks (Agentic, RAG, or simple LLM usage), potentially leveraging MCP servers.
  • Experience launching projects and navigating uncertainty.
  • Proficiency in English and French.
  • Experience with frontend interface development and backend logic (API design, permission models).
  • Familiarity with Cyber Threat Intelligence (CTI) standards such as STIX/TAXII or MITRE ATT&CK (Bonus).
  • Experience contributing to or maintaining open-source projects (Bonus).

Responsibilities

  • Build clean, scalable applications deployable as SaaS and On-Premise using TypeScript and Python.
  • Design complex visualization flows, advanced logging capacities, and agent configurations.
  • Refine software architecture to handle integrations with the internal AI team.
  • Perform rapid prototyping to test concepts, with comfort in refactoring or iterating based on feedback.
  • Engage with the open-source community via platforms like GitHub and Slack.
  • Participate in establishing development processes and team culture as a foundational member of the squad.
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Competitive pay + equity
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