Khosy Akmal Romadlan

State of Polytechnic Malang Information

2017 - 2021

Information Technology Department, Informatics Engineering Study Program

• Thesis: Expert System for Diagnosing Pregnancy Disorders using Naive Bayes (Web-Based).
• Graduated on time with focus on programming, software development, and AI-based applications.

INTERNSHIP - Flutter Mobile Developer

January 2020 - March 2020

PT. FLOO ID, SIDOARJO

• Learn how to Slicing UI from predefined designs with the Flutter Framework.
• Create integration between the UI that has been Sliced with the available API so that the application becomes interactive.

FREELANCE - WEB DEVELOPER

December 2025 - February 2026

YAYASAN ASY-SYAAMIL

• Architected and engineered the foundation website (https://asy-syaamil.or.id/) from scratch as a Full-Stack Developer utilizing Laravel and MySQL.
• Handled end-to-end UI/UX slicing independently into clean, modern, and fully responsive web pages, ensuring optimal performance across all device viewports.
• Designed and developed a custom Back-Office (CMS) dashboard to streamline content management for foundation programs, articles, and media galleries.
• Modeled relational database schemas in MySQL, implemented robust security practices (CSRF/XSS protection, role-based access), and optimized query performance.

SENIOR SOFTWARE ENGINEER

October 2023 – Present

PT. Bank Syariah Indonesia, Tbk

• Designed, developed, and optimized a high-performance Push Notification System for BSI Mobile, supporting large-scale user broadcasts with improved delivery speed and reliability.
• Implemented Bulk Notification Scheduler Service to manage high-volume notification delivery efficiently.
• Developed Token Push Notification Service with scheduled token refresh to ensure secure and stable push delivery.
• Built Push Notification Management Dashboard (Msmnotif) for monitoring, scheduling, and controlling notification campaigns.
• Developed and enhanced digital banking features including PLN Bill Purchase & Payment, Request for Payment (RFP) – BI FAST
• Contributed to frontend development using Laravel, JavaScript, and AJAX to improve transaction flow and user experience.
• Performed security hardening and penetration test remediation to comply with OJK regulatory standards.
• Developed BSI Consumer Landing Page and Griya Project using Angular and TypeScript.
• Implemented Angular Modules and Standalone Components to ensure scalable, modular, and maintainable frontend architecture.
• Developed QRIS Merchant Dashboard for transaction monitoring and reporting.
• Contributed to Byond B platform development.
• Provided technical review and system evaluation for internal platforms including Byond Merchant and BYOND B.
• Developed worker schedulers using PHP and Shell Script to handle concurrent background processes.
• Managed and optimized development environments using Nginx and Apache, including: Virtual host and Apache configuration (conf server), Reverse proxy and upstream configuration (proxy_pass), Performance tuning and optimization
• Conducted security hardening, vulnerability remediation, and penetration testing follow-ups for banking-grade applications.
• Develop consumer facing web Byond B feature Purchase and Payment(Gopay, Ovo, Shopee), Transaction Favorite
• Develop Backoffice Byond B for all setting website consumer facing Byond B, and Companion APP

FREELANCE - FRONTEND WEB DEVELOPER

January 2026 - April 2026

KEMENTRIAN PUPR

• Developed the nationwide official correspondence and operational management web application for the Ministry of Public Works and Public Housing (PUPR) using React.js.
• Built end-to-end modules for automated official document generation, dynamic template creation, and centralized distribution of technical guidelines (juknis).
• Engineered an inter-divisional document disposition workflow engine with real-time status tracking and audit trails, connecting regional divisions across Indonesia.
• Designed responsive, accessible, and high-performance UI components using modern state management and optimized complex form handling to support high-concurrency enterprise use.

WORKER - WEB & BACK END DEVELOPER

October 2021 - August 2023

PT. ADMA DIGITAL SOLUSI, SURABAYA

• Built applications using Laravel with Blade Templates, ensuring responsive UI and efficient backend logic.
• Designed and managed MySQL databases with migrations and optimized queries.
• Implemented clean code practices to enhance system performance and maintainability.
• Developed advanced features (Excel Import/Export, PDF reporting with DomPDF, automated Email/WhatsApp notifications).
• Designed and documented APIs for seamless integration with mobile applications.
• Enhanced interactivity and usability with JavaScript, jQuery, and AJAX.

FREELANCE - WEB DEVELOPER

February 2025 - November 2025

DUNIA EKSPOR

• Built and maintained export platform (DuniaEkspor.com) using Laravel.
• Integrated secure APIs & MySQL databases to automate export workflows.
• Optimized backend with MVC architecture & clean coding principles.
• Delivered ongoing maintenance, uptime monitoring, and performance optimization.

FREELANCE - WEB DEVELOPER

May 2025 - June 2025

PT. ANUGERAH JAVA MEDIA

• Designed and developed AJMCorp.com with WordPress, creating a responsive, modern, and SEO-optimized layout.
• Handled full site deployment: domain, hosting, theme customization, and maintenance.
• Ensured stable performance, fast loading speed, and secure operations for client websites.

FREELANCE - FRONTEND WEB DEVELOPER

July 2026 - Present

PT. Properindo Enviro Tech

• Built and developed the front-end web application (https://salution.co.id/) from scratch using Angular, crafting custom, modular, and responsive UI components based on system requirements
• Implemented core platform features, including a real-time job/task monitoring module and an interactive calculation engine designed for internal company estimations and analytics.
• Managed client-side state, form validations, and integrated RESTful APIs efficiently to ensure seamless user workflows and high-speed data processing within the application.
• Configured the front-end production web server using Nginx and established an automated CI/CD deployment pipeline utilizing GitLab Runner for continuous integration and zero-downtime releases.