Senior Software Engineer - OpenCTI

New

FiligranCybersecurity

FranceFull-TimeSenior

Salary not disclosed

Apply NowOpens the employer's application page

Job Details

Experience: 7+ years
Required Skills: GraphQLNode.jsElasticSearchJavascriptRabbitmqTypeScriptRedisReact

7+ years of experience as a Software Engineer
Solid exposure to complex, production-grade systems
Strong proficiency in a modern JavaScript/TypeScript stack
Experience with Node.js and GraphQL
Strong experience in Elasticsearch
Strong experience in Redis
Strong experience in RabbitMQ
Comfortable working in a remote, async-first environment
Strong written communication skills
Proven ability to work autonomously
Take ownership of technical topics
Drive initiatives from design to delivery with proactive reporting
Collaborative mindset
Strong sense of team spirit
Willingness to mentor and support less experienced engineers
Ability to challenge existing solutions
Ability to address technical debt
Ability to contribute to long-term architectural improvements
Experience contributing to or working with open-source projects (plus)
Prior exposure to cybersecurity, threat intelligence, or large-scale data platforms (bonus)

Contribute actively to the OpenCTI codebase, with strong ownership of new features and continuous improvements
Identify, investigate, and resolve bugs
Participate in technical brainstorming and task refinement, challenging both new proposals and existing implementations
Take part in the on-call rotation and act proactively during incidents to drive resolution
Mentor junior and mid-level engineers, supporting their technical growth
Address technical debt and legacy pain points
Lead or facilitate technical workgroups to explore and align on engineering topics
Review pull requests from internal teams and the open-source community
Contribute to documentation and the shared knowledge base

View Full Description & ApplyYou'll be redirected to the employer's site