About the company
Join a fast-growing cybersecurity company specializing in world-class privacy and security solutions. Operating as a fully remote global team, we are on a mission to protect digital lives and ensure anonymity for millions worldwide. We are vocal advocates for civil rights, digital freedom, and an uncensored online culture.
Responsibilities
- Monitoring: Zabbix / VictoriaMetrics – developer-level proficiency (creating templates, auto-discovery rules, external scripts).
- Scripting: Bash + sed + awk.
- Development: Go or Python.
- CI/CD: Good understanding of GitLab pipelines.
- UNIX Administration: Strong skills configuring RedHat (CentOS 7/8) and Debian (Debian, Ubuntu).
- OS Optimization: Deep knowledge of tuning operating systems for high-load environments (network IO, queues, CPU interrupts).
- Containerization: Docker, Portainer.
- VPN Technologies: Configuration and optimization of StrongSwan, accel-ppp, OpenVPN, WireGuard, Xray, Shadowsocks.
- Proxy: Strong experience working with Squid.
- Network Administration: Deep understanding of firewalls (iptables / nftables), routing, and virtual network devices.
- Databases: MySQL or PostgreSQL.
- Automation: Creating and maintaining playbooks and roles in Ansible (SaltStack is a plus).
- Cloud Services: AWS (EC2, RDS, S3, Route 53, ALB) and deployments via Terraform.
- Logging: ELK Stack.
- Orchestration: Kubernetes (Baremetal).
- Collaboration: Experience working with development and QA teams.
- English: B2 +.
Requirements
- Nice to Have: Understanding of DPI/TSPU principles and bypass techniques (domain fronting, SNI masking, ECH, REALITY, uTLS).
- Experience with traffic obfuscation protocols (Xray/VLESS, Shadowsocks-2022, Cloak, Trojan-GFW).
- Experience with RIPE DB / IP registries: understanding allocation hierarchy, maintainers, route objects; ability to assess IP range “cleanliness” before deployment.
- Experience selecting and rotating IP infrastructure: choosing hosting providers/ASNs considering IP reputation, working with IP marketplaces (IPXO, etc.), understanding risks.
- Knowledge of TLS fingerprinting: uTLS, JA3/JA4, ALPN — ability to imitate fingerprints of popular browsers.
- Experience with CDN fronting (Cloudflare, Fastly, AWS CloudFront).
Conditions
- Build personal AI agents using our premium infrastructure.
- Absolute freedom to work from any location (GMT+1– GMT+4).
- Internal R&D opportunities.
- Paid time off and sick leave.
- Direct impact on a massive, world-class B2C product.
- A collaborative environment with some of the best minds.
- Hardware upon completion of your probation.