Head of Tech / Senior Full-Stack Engineer

We're seeking an experienced Head of Tech / Senior Full-Stack Engineer to build and maintain arbitrage infrastructure from scratch. You'll lead the technical foundation of our in-house affiliate/arbitrage team in crypto/FX, managing cloaking systems, anti-abuse infrastructure, edge filtering, domains, servers, and landing pages.

• •Full-time position
• •6 days per week
• •Always available (working hours + critical situations)
• •Building everything from zero: infrastructure, processes, standards
• •No inexperienced candidates, "tourists", or those looking to spy

### Core Requirements

• •**3+ years** in affiliate/arbitrage teams (crypto/FX/gambling)
• •**Cloaking expertise:**
• •Simple + advanced (multi-layer) cloaking
• •Understanding how and why they get detected
• •Quick logic adaptation to new risks
• •**Edge-level knowledge:**
• •Cloudflare Workers / WAF / Bot Management / Transform Rules
• •DDoS-Guard / alternative edge solutions
• •**Traffic filtering:**
• •User-Agent, IP, ASN, DC ranges
• •Fingerprint / behavior-based logic
• •Rate-limit, JS challenges, allow/deny scenarios
• •**Anti-abuse & domain longevity:**
• •Minimizing abuse triggers
• •Working with hosting providers and registrars
• •Fast migrations, rotations, backup plans
• •**Server expertise:**
• •Linux, Nginx, SSL, DNS
• •Proxies, tunnels, logging
• •Hardening, backups
• •**Full-stack capabilities:**
• •Server setup from scratch
• •Landing page deployment/migration
• •Automation (Node.js / Python)
• •**DevOps approach:**
• •Docker
• •Basic CI/CD
• •Monitoring, alerts
• •**Scale management:**
• •Dozens of domains
• •Mass deployments
• •Templates, configs, error control
• •**TDS / Tracking (MANDATORY):**
• •Practical experience with Keitaro
• •Understanding flows / campaigns / offers / landers logic
• •TDS integration with cloaking and edge filtering
• •Working with postback, tokens, parameters
• •Debugging traffic loss, redirects, loops, incorrect routing
• •Experience with alternative TDS (Binom, AdsBridge, etc.) — bonus
• •**Basic technical SEO:**
• •Indexation
• •Canonical / hreflang
• •Understanding technical risks

### Nice-to-Have Skills

• •Cloudflare API (zone automation, rules, workers)
• •Log analysis (ELK / ClickHouse / Grafana or custom solutions)
• •Anti-fraud / traffic quality understanding
• •Security-first mindset (access control, secrets, audit)

• •Building edge-cloaking and anti-bot filtering from scratch
• •Integrating TDS (Keitaro) with entire infrastructure
• •Maximizing domain lifetime
• •Anti-abuse processes and playbooks development
• •Standardizing server and landing deployment
• •Automating manual chaos
• •24/6 production stability responsibility

• •**Salary:** From $2,500/month
• •**Contact:**