Full-Stack Developer & Cybersecurity Engineer · Founder of developer.krd
📍 Erbil, Iraq
I build and harden web platforms end to end — from relational data models and APIs to the Linux servers and container infrastructure they run on.
- 🏗️ Founder & Lead Developer at developer.krd (2022 – present)
- 💻 Full-Stack Developer at Butterfly Agency (2026 – present)
- 🛡️ Cybersecurity Engineer at The S (2025 – present)
- 🎯 Focus: Full-Stack · Security · Infrastructure
Identity, admin and client portal for the developer.krd ecosystem. A pnpm/Turborepo monorepo with a centralised identity server issuing RS256 JWTs (sessions, OAuth, passkeys, TOTP), an admin backend, and a customer-facing portal — each deployed as its own containerised service.
TypeScript Fastify React PostgreSQL Prisma Docker
Website security monitoring for customer sites: browser-side threat detection, a Node request firewall, integrity scanning, uptime/SSL monitoring, and verifiable certificates and trust badges. Published to npm as @developer.krd/nexura.
TypeScript Node.js Fastify esbuild
A structured cybersecurity learning platform: guided lessons, knowledge checks and timed assessments, prerequisite-ordered roadmaps, progress tracking, and verifiable PDF certificates.
TypeScript Fastify React PostgreSQL
Languages
Frameworks & Web
Databases & ORM
DevOps, Infrastructure & Security
- Linux server hardening, firewall configuration and access-control policies on production servers
- Dockerised infrastructure behind reverse proxies (Nginx, Caddy) with encrypted SSH workflows
- Vulnerability assessments, system patching and log audits
More about me at sahand.developer.krd