Principal Software Engineer – XTM One

Job not on LinkedIn

🔥 4 minutes ago

🇫🇷 France – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Just posted.
• Jobs at this company usually fill in 53 days.
• No salary listed.

Apply Now

Find Similar Remote Jobs

Filigran

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2022

🔒 Cybersecurity

☁️ SaaS

Cybersecurity • SaaS • Technology

Filigran is a cybersecurity company specializing in Threat Intelligence and eXtended Threat Management (XTM). They provide a comprehensive suite of software solutions which includes cyber threat intelligence, breach and attack simulation, and incident response capabilities. Filigran's offerings also include training programs and community support, empowering organizations to enhance their security postures against various cyber threats.

📋 Description

• Define and drive the long-term technical vision of XTM One • Own platform architecture covering agent runtime and orchestration, tool and MCP integrations, data and context layers, APIs, permission model, and shared commons • Design for SaaS and on-premises deployment, including multitenancy, isolation, upgrade paths, configuration, and operability • Arbitrate decisions on scalability, resilience, security, maintainability, cost, LLM latency, and inference cost • Define and apply technical principles for architecture, code quality, tooling, CI/CD, testing, and AI-assisted development • Establish observability and reliability standards for nondeterministic AI workloads • Balance features, technical debt, and innovation • Define integration contracts, authentication, data exchange, and versioning across OpenCTI, OpenAEV, OpenGRC, and future products • Participate in the XTM Foundation and maintain coherence with Principal and Staff Engineers • Write production code and prototype new approaches • Review critical pull requests and unblock engineers • Collaborate with the VP of Technology, XTM One engineering team, XTM Foundation, Product leadership, and open source contributors

🎯 Requirements

• 10+ years in software engineering, with technical leadership on complex production platforms • Strong fullstack background with backend and architecture focus • Mastery of TypeScript and Python • Strong system design skills in distributed systems, scalability, performance, security, and observability • Broad software engineering knowledge across product, design, code, testing, CI/CD, packaging and release, infrastructure, deployment, operations, monitoring, and incident response • Experience building and operating platforms delivered both as SaaS and on premises, including multitenancy and enterprise constraints • 1–2 years building with LLMs, with LLM systems in production • Experience with agent frameworks, tool calling, MCP, RAG, vector search, evaluation, and reliability practices • Ongoing technical watch through reading, experimentation, and prototyping • Experience defining and carrying technical standards • Excellent written communication in English • Autonomy and comfort in a remote, asynchronous culture • Cybersecurity domain knowledge, extensible plugin or tool ecosystems, and open source contributions or maintainership are bonuses

🏖️ Benefits

• Competitive compensation + equity • Remote-first flexibility • 25 days PTO baseline • Volunteer days • Equipment choice and additional support for remote work and development needs • Two annual in-person get-togethers • Professional development opportunities • Global, remote-first work environment

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume