Senior Software Engineer (python) - XTM One

We're looking for a Senior Software Engineer to join our new XTM One team and contribute in shaping a state-of-the-art product and build the core platform for our XTM Suite. You'll work closely with the Engineering Manager and a small, agile squad to define the technical architecture and continue to enhance our unified AI solution that will unlock the true potential of our XTM Suite.

Responsibilities

Full Stack Architecture: Build a clean, scalable application deployable both as SaaS and On-Premise, using Typescript and Python, design complex visualization flows, advanced logging capacities and agent configuration; Architectural Evolution: Refine the software architecture to handle integrations with the AI team at Filigran; Rapid Prototyping: Iterate fast to test concepts, comfortable with refactoring or deleting code as product vision evolves; Community Management: Engage with the Open Source community (GitHub, Slack), answering user questions; Team Structuring: Participate in creation of development processes and team culture as one of first hires

Requirements

Senior experience in Full Stack development, with strong proficiency in TypeScript and Python; Architectural Mindset: ability to think critically about software architecture, experience with genAI frameworks, Agentic, RAG or simple LLM usage, potentially leveraging MCP servers; Ownership & Agility: experience launching projects and comfortable navigating uncertainty; Full Stack mastery: equally comfortable working on frontend interfaces and backend logic; Communication: Proficient in English and French

Nice to have

Familiarity with Cyber Threat Intelligence (CTI) standards like STIX/TAXII or the MITRE ATT&CK framework; Experience contributing to or maintaining Open Source projects

Benefits

Competitive pay + equity; Remote-first, flexible, and balanced; Your setup, your choice - pick the gear that works for you; Twice-a-year gatherings - we meet in person for regional and global offsites