Fatkul Nur Koirudin

Remote | Worldwide

Tech Stack: PHP, Golang, TypeScript, JavaScript, Database (MySQL, SQLite), Web Server (Apache, LiteSpeed, OpenLiteSpeed, Nginx), Linux Server, SEO optimization tools, & depends on business needs.

• •Built and managed dozens of high-traffic websites, including properties with Top-100–1000 global Alexa rankings.
• •Owned end-to-end operations (domains, source code, Linux servers), with each website handling 100K–2M daily impressions, 200–20k concurrent users every seconds, and 2–20 TB monthly traffic every sites.
• •Achieved and maintained top search engine rankings through technical SEO and performance optimization WITHOUT PAID ADVERTISING.
• •Conducted security testing and vulnerability assessments across managed web properties, applying OWASP principles and participating in bug bounty programs.

Remote | Robinson Road, Singapore

Tech Stack: Golang, GoFiber, PHP, Laravel, Livewire, Filament PHP, AWS (EC2, Fargate, S3, SES, RDS MySQL, Redis, Route 53, WAF), Cloudflare, Linux (Ubuntu), Metabase, Git, Gotenberg, Docker, Scrum.

• •Rebuilt legacy APIs into Golang-based services, improving system performance, scalability, and security.
• •Developed and maintained production Golang and Laravel services, delivering new features and resolving critical issues in live environments.
• •Implemented distributed background job processing using Asynq to handle asynchronous workloads.
• •Integrated multiple WhatsApp Gateways and built multi-channel notifications (WhatsApp, Email, Discord, etc).
• •Improved system reliability and observability by implementing Sentry monitoring across production services.
• •Managed AWS infrastructure (EC2, Fargate, S3, RDS (MySQL), Elasticache (Redis), Route 53, and WAF).

Hybrid | Jakarta Barat, Indonesia

Tech Stack: PHP, Laravel, Livewire, Filament PHP, Node.js, Express, Puppeteer, S3, Linux Server (Ubuntu & Centos), Nginx, MySQL, Redis, Clickhouse, Git, HTML, CSS, Javascript, Docker, Scrum.

• •Developed and maintained high-performance Laravel REST APIs supporting core business features.
• •Built internal back-office systems using FilamentPHP & Livewire, improving operational efficiency.
• •Designed and implemented an in-house WhatsApp Gateway with broadcast scheduling and internal system integration.
• •Built automated data scraping pipelines (Puppeteer) to collect and store government tax rate data accurately.
• •Integrated 10+ payment gateways (Midtrans, Xendit, Duitku, Cashlez, Espay, Faspay, etc) ensuring secure transactions.
• •Implemented Google Play Billing & Apple Pay for in-app purchases.
• •Designed system architecture & database schemas, and managed Linux servers (Nginx/Apache, MySQL, Redis, ClickHouse).

On-site | Sleman, Indonesia

Tech Stack: PHP, Laravel, MySQL, Git, JavaScript, HTML, CSS

• •Developed features for academic information systems serving a leading Indonesian university with thousands of students.
• •Built a job seeker portal application, improving recruitment and onboarding workflows for corporate clients.