19h ago

Senior Software Engineer – OpenCTI

France

$130k-$180k / yearest.

full-timesenior Remotecybersecurity

🛠 Tech Stack

💼 About This Role

You'll contribute to the core of our open-source cyber threat management platform, working on features and technical topics central to user interaction. You'll bring strong technical expertise in Node.js, TypeScript, React, GraphQL, and Elasticsearch to have a direct impact on the product roadmap and collaborate closely with product, engineering, and community contributors. This role stands out due to our fully remote, async-first culture and focus on open-source cybersecurity.

🎯 What You'll Do

  • Contribute to the OpenCTI codebase with ownership of new features.
  • Identify, investigate, and resolve bugs.
  • Mentor junior and mid-level engineers.
  • Lead or facilitate technical workgroups.

📋 Requirements

  • 7+ years of experience as a Software Engineer.
  • Strong proficiency in modern JavaScript/TypeScript stack with Node.js and GraphQL.
  • Strong experience with Elasticsearch, Redis, RabbitMQ.
  • Comfortable working in a remote, async-first environment with strong written communication.

✨ Nice to Have

  • Experience contributing to or working with open-source projects.
  • Prior exposure to cybersecurity, threat intelligence, or large-scale data platforms.

🎁 Benefits & Perks

  • 💰 Competitive pay + equity
  • 🏖️ Remote-first, flexible, and balanced work
  • 🖥️ Your setup, your choice - pick the gear that works for you
  • 🌍 Twice-a-year gatherings - regional and global offsites

📨 Hiring Process

Estimated timeline: 2-4 weeks · AI estimate

  1. 1Recruiter call· 30 min
  2. 2Technical interview· 60 min
  3. 3Team interview· 45 min
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