Senior Security Engineer - Node.js Proactive Defense (remote-only)
Warsaw, Masovian Voivodeship, Poland - Remote
R
PLN 237K-400K (estimate) Senior-level Full Time
Tasks
- Author distribute and version detection rules
- Build production safe tenant isolated shared hosting integration
- Close feedback loop from production incidents to rule updates
- Define detection model and policy posture
- Design runtime security agent for Node.js
- Hook into V8 and Node lifecycle to trace and block malicious behavior
- Ingest CVE and threat intel to generate test and deploy detections
- Integrate detections with on host security telemetry
Perks/Benefits
- Co-working reimbursement
- Education budget
- Flexible working hours
- Fully remote
- Gym reimbursement
- Medical insurance reimbursement
- National holidays
- Paid vacation
- Sick leave
Skills/Tech-stack
CVE Analysis | Cgroups | Command injection | Detection engineering | EBPF | Inter-process Communication | JavaScript | LD_PRELOAD | Linux | Namespaces | Node.js | Path traversal | Policy enforcement | Process Isolation | Process communication | Prototype Pollution | Ptrace | Runtime Security | SSRF | Supply Chain | Supply chain security | Systemd | Threat Intelligence | Unsafe Deserialization | V8 | Vulnerability Management
Education
N/A
Roles
Engineer | Security | Security Engineer | Software Security Engineer
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