
Mini ERP Invoicing System
A full-stack invoicing system with customer management, multi-item invoices, JWT authentication, and dashboard analytics.
Deployment under maintenance
Full Stack Developer / Programmer
Zulfikar Airlangga Siswanto
I turn operational requirements into maintainable full-stack products, from responsive interfaces and secure APIs to relational data models and deployment workflows.
Featured Public Projects
Public projects demonstrating practical full-stack engineering, system architecture, and product delivery.

A full-stack invoicing system with customer management, multi-item invoices, JWT authentication, and dashboard analytics.
Deployment under maintenance
An asynchronous image-processing service with a Fastify API, BullMQ queue, Redis, and a separate Sharp worker.
Source Code Available — Run locally with Docker Compose

A Vue and Go CMS for creating, drafting, publishing, previewing, and soft-deleting articles.
Live
Experience
A concise timeline of roles, technologies, and delivery focus.
CV Seven Smarts Indonesia
Developed and maintained integrated web and mobile applications for internal business operations, including sales management, master data, pricing systems, admin dashboards, web portal APIs, and mobile app features. Built and improved backend REST APIs using Laravel and PHP, managed database structures with MySQL and PostgreSQL, developed frontend integrations using Next.js, JavaScript, HTML, CSS, and Bootstrap, and contributed to Flutter mobile app features. Also supported AWS S3 file storage, AWS Cognito authentication-related functionality, debugging, maintenance, and business workflow improvements.
PT Menara Astra
Contributed as a Full Stack Developer Intern in Astra Property’s IT and Digitalization Division, supporting web application and internal system development. Worked on Laravel and MySQL-based web portal APIs, assisted frontend development using Angular, HTML, CSS, and JavaScript, tested API endpoints with Postman, used Git/GitHub for collaboration, and participated in code reviews, pair programming, debugging, and feature enhancement.
Skills
Core technologies, supporting experience, engineering practices, and delivery tools used across full-stack projects.
About Me
I have experience building internal business systems, ERP modules, dashboards, mobile apps, APIs, reporting tools, and management platforms. My focus is clean implementation, practical UX, maintainable code, and features that help teams work faster.
I work across frontend, backend, mobile, and database layers using Laravel, Next.js, Flutter, MySQL, PostgreSQL, and API-driven architectures.
I value clear requirements, dependable delivery, and technical decisions that keep software useful as business workflows evolve.
Selected Professional Work
Technical scope and contributions are shown without company identities, internal data, or private business rules.
Confidential Company Project
A modular web platform for internal operations including sales, warehouse, purchase, ecommerce, accounting, manufacturing, and system settings.
Confidential Company Project
A Flutter mobile app supporting ecommerce and sales workflows such as product browsing, cart, orders, after-sales, loyalty, profile, and sales visits.
Confidential Company Project
A lightweight Flutter Android app for warehouse operations including picking, packing, delivery, goods receipt, activity tracking, and scanner-assisted workflows.
Contact
I’m currently open to full-time opportunities as a Full Stack Developer, Frontend Developer, or Backend Developer.