|, I'm
Rozakul Barkhi
Software Engineer
Building scalable web applications, AI integrations, and automation systems
Focused on developing end-to-end solutions across the JavaScript ecosystem—from frontend to deployment.
Tech Stack & Tools
HTML
CSS
SASS
TailwindCSS
JavaScript
TypeScript
Python
React
Next
Node
Bun
Jest
Vitest
Express
Nest
Hono
Laravel
MySQL
PostgreSQL
MongoDB
Puppeteer
Selenium
VSCode
Git
Docker
Postman
Experience
Full Stack Developer
Iris&Co
Full-time
Jakarta, Indonesia
Sept 2023 - Present
- Designed and developed multiple web applications and platform features, including AI-powered capabilities by integrating LLMs such as OpenAI and Google (Gemini)
- Built a responsive frontend using React and integrated Strapi CMS, enabling efficient content management for non-technical users
- Developed a custom CMS with AI-powered content generation and automated workflows using n8n
- Designed and implemented a secure, high-performance RESTful API using Hono, with robust authentication and role-based authorization
- Created ERD and designed scalable database schemas aligned with system requirements
- Implemented CI/CD pipelines and conducted unit/component testing using Vitest and React Testing Library to ensure reliability and faster releases
- Managed and optimized VPS infrastructure, including deployment, server configuration, and security hardening
Full Stack Developer
Unilever Indonesia
Freelance
Surabaya, Indonesia
Mar 2026 - Apr 2026
- Designed and developed a high-performance manufacturing system with a spreadsheet-like interface to manage multi-shift, multi-line, and SKU-level operations using Next.js, TypeScript, and Handsontable
- Built scalable data aggregation pipelines for production metrics (plan vs actual, estimated outputs, efficiency metrics, and production variance), ensuring consistency, auditability, and real-time visibility
- Implemented multi-tenant RBAC and operational tooling (data import pipelines, KPI dashboards, and conversion utilities) to support secure access control and data-driven production planning
Full Stack Developer
Hexa Indonesia Teknologi
Freelance
Jakarta, Indonesia
Mar 2025 - Aug 2025
- Designed and developed a high-performance social media and news monitoring dashboard using a modern tech stack (Next.js, TypeScript, TailwindCSS, Shadcn, Hono, React Query)
- Implemented efficient large-scale data handling by building chunked streaming upload pipelines, enabling reliable processing of high-volume data
- Automated deployment workflows with CI/CD pipelines, improving release efficiency and minimizing downtime
Full Stack Developer
Livinode
Freelance
Surabaya, Indonesia
Apr 2025 - July 2025
- Designed and developed a RESTful API using MySQL and Prisma, implementing role-based access control (RBAC) and internationalization (i18n) to support secure, multi-language applications
- Integrated backend services with frontend applications to ensure efficient data flow and optimized performance across the system
- Improved frontend responsiveness and accessibility, delivering a seamless user experience across mobile and desktop devices
Projects
Here are some of my recent projects. Each project reflects my skills and experience in different technologies.
Selected Client Feedback
Client feedback from real-world projects
“Kerja bareng Mas Rozak bener-bener menyenangkan. Nggak cuma cepat dan tepat waktu, hasil kerjanya juga rapi dan sesuai brief. Komunikasinya enak, inisiatifnya tinggi. Recommended banget buat kerjaan serupa ke depannya. Terima kasih dan sukses selalu..”
— Verified Client, Projects.co.id“Rozakul did an amazing job the task was completed perfectly and super fast. I really felt helped and supported throughout the process. Highly recommended developer, very reliable and efficient!”
— Verified Client, Upwork“Pengerjaan bagus dan kalau ada update bisa diselesaikan dengan baik.”
— Verified Client, Projects.co.idEducation
My academic journey and qualifications
Universitas Negeri Semarang
Bachelor's Degree, Computer Science
Grade: 3.66/4.00
Sept 2017 - Jan 2023
Thesis
IMPLEMENTASI RANDOM FOREST CLASSIFIER DENGAN MENGGUNAKAN ALGORITMA GENETIKA DAN MUTUAL INFORMATION UNTUK PREDIKSI PENYAKIT STROKE
What I Learned
- Data structure and algorithms
- Database system
- Web development