A source-backed view of projects from KamiBisa.Online, Zakaria Santoso's public portfolio, and visible Upwork work history.
Schools needed a more reliable computer-based testing platform with stronger exam integrity controls.
Built a CBT platform with AI-assisted cheating detection to support online exam delivery and monitoring.
Published as a KamiBisa.Online portfolio project and also listed as a Laravel platform delivery experience.
Document recipients needed a fast way to confirm whether letters of acceptance and invoices were authentic.
Created a QR-based verification system that checks document authenticity and payment status through an official website.
Reduced verification friction by making authenticity checks instant and self-serve.
Rental operators needed one flow for vehicle selection, booking dates, pricing, and confirmation.
Delivered an integrated car rental platform with date booking, cost calculation, and instant confirmation.
Turned the rental inquiry process into a structured digital booking workflow.
Rental teams needed an internal view for monitoring bookings, members, transactions, and fleet availability.
Built an admin dashboard for rental operations with transaction, member, and vehicle management views.
Gave operators a cleaner control surface for rental activity and fleet administration.
Academic records needed to be centralized so student data could be managed, tracked, and verified efficiently.
Built a student record system for managing academic data and verification workflows in one place.
Improved record visibility and reduced scattered manual administration.
A Shopee store needed stronger listing performance and better conversion to grow monthly sales.
Optimized store performance through product listing improvements and conversion-focused adjustments.
Increased monthly sales through marketplace optimization work.
Teams needed a reliable way to capture employee attendance, working hours, and location in real time.
Built a photo-based attendance application that records presence, working hours, and location in one integrated system.
Made attendance tracking more verifiable and operationally visible.
Village administrations needed digital systems to support records, services, and operational workflows across many villages.
Developed SANTAN DESA, a village operations application, and supported related village website and land inventory delivery.
Used by more than 130 villages in Musi Banyuasin, South Sumatra, according to the public Upwork profile.
A large village program needed many public-facing sites and a centralized land inventory portal.
Shipped village websites and a land inventory portal for Musi Banyuasin, including the desamuba.id ecosystem.
Delivered 180 village websites and a land inventory portal, based on the public resume site.
Membership card issuance required manual handling that slowed down administration.
Automated the membership card issuance workflow for PPMA.
Reduced manual administrative work around member card generation.
Small and medium businesses needed professional company profiles built from brief to launch.
Delivered company profile websites end-to-end for SME clients.
Built 5 SME company profile websites during CV Mujio Puankawan work and 2 more during PT Ahoi Game Dev work.
A business needed an online store that could handle product presentation and transactions through a custom web application.
Delivered an online store using Laravel.
Added custom e-commerce capability instead of relying only on generic marketplace storefronts.
Attendance workflows needed stronger identity verification than manual check-ins.
Built a face-recognition attendance tool as part of web application delivery work.
Improved attendance verification by connecting check-ins to face recognition.
Nationwide branches needed a web-based way to manage outlet video displays.
Built a PHP-based outlet video display application for PT Indonesia Gadai Oke.
Supported video display operations across nationwide branches.
Multiple high schools needed school websites and computer-based testing tools.
Built and deployed school websites and a CBT application across multiple high schools.
Created practical digital infrastructure for school communication and exam delivery.
Stock data needed to be managed in a structured system instead of scattered manual records.
Built a stock management interface for tracking inventory data and operational item records.
Added a clearer operational view for stock and item management.
Payroll workflows needed a dedicated interface to manage salary-related records more consistently.
Built a payroll system interface for managing compensation and payroll administration data.
Reduced reliance on informal payroll tracking and improved data organization.
Schools needed a simpler way to manage student fee and tuition payment records.
Built a student payment interface for tracking payment status and school finance administration.
Made student payment administration easier to monitor through a web-based system.
A Chrome extension needed database updates handled accurately within an existing product workflow.
Completed database update work for a Chrome extension project through Upwork.
Completed Upwork job with public ratings shown on the profile.
An existing web application needed customization against client requirements and room for practical product improvements.
Delivered web application customization work and suggested improvements beyond the original brief.
Completed Upwork job with a 5.0 public rating and positive client feedback.
A client needed a web application focused on aggregating LinkedIn data into a usable workflow.
Started development of a LinkedIn data aggregator web app through Upwork.
Listed publicly as an in-progress Upwork job.
A Chrome extension product needed integration work connected to an AppSumo sales or licensing workflow.
Worked on Chrome extension integration with AppSumo through Upwork.
Listed publicly as an in-progress Upwork job.
A product workflow needed to convert TikTok-style slideshows into video output through a web app.
Worked on a TikTok slideshow-to-video converter web application through Upwork.
Listed publicly as an in-progress Upwork job.
Clients needed predefined API development and integration support with fast turnaround.
Packaged comprehensive API development and integration services as an Upwork project catalog offer.
Public Upwork catalog offer listed from $90 with 3-day delivery.
If it can be modeled as a workflow, a dataset, or a decision — we can probably build the system that runs it.