
VACE B2B Order Management System
B2B digital catalog and order system for wholesale distributors, replacing WhatsApp orders with controlled workflows and debt tracking.
Fullstack Engineer, 2026
Helping businesses turn manual workflows into reliable digital systems, from planning to deployment.
Backend Engineer - End-to-End System Builder
What I've Built
A focused look at projects where I contributed to business logic, backend systems, frontend implementation, integrations, and production delivery across personal, freelance, agency, and company work.

B2B digital catalog and order system for wholesale distributors, replacing WhatsApp orders with controlled workflows and debt tracking.
Fullstack Engineer, 2026

Custom Laravel system that unifies online bookings, walk-ins, QRIS payments, PlayPoints loyalty, and WhatsApp broadcasts for PlayNPlay
Backend Engineer, Project Manager, 2025

Built a Laravel-based church management system to simplify member administration, worship scheduling, and attendance tracking
Backend Engineer, 2023
Services
Backend-focused, but able to work across the full product cycle: flow, interface, backend, integration, deployment, and support.
Build complete web systems from business flow, database design, backend, frontend, integration, to production deployment
Develop reliable APIs, authentication, business logic, database structures, and integrations for operational web systems
Turn manual workflows such as booking, billing, ordering, ticketing, and reporting into structured digital systems.
Build transaction flows, payment gateway integration, webhook handling, validation, and order/payment lifecycle logic.
Create practical dashboards and internal tools for managing operations, data, reports, users, orders, and daily workflows.
Process
A practical workflow for turning business problems into software people can actually use every day.
Experience
A mix of full-time engineering, enterprise backend work, freelance delivery, and self-built products.
2023 - 2025
Backend Developer
Started backend development with Laravel, building attendance, school finance, tuition fee, and small-business accounting systems.
2024 - 2024
Backend Engineer (Intern)
Built a Golang-based Promo Engine for major Indonesian port operations, focusing on backend rules and service logic.
2025 - 2025
Backend Engineer (Intern)
Supported product testing and TypeScript-based development workflows to improve product quality and delivery.
2025 - 2026
Backend Engineer
Worked on national-scale Golang backend projects across public transportation, entertainment, and commerce sectors.
2026 - Present
Backend Engineer
Maintained and developed VOCA Game products with Golang and NestJS, supporting product logic and backend reliability.
2025 - Present
Co-Founder, Project Lead, Backend Engineer
Co-founded a digitalization agency, leading flow design and backend work for e-ticketing, rental booking, and essay-based LMS systems.
Tech Stack
A practical stack for backend-heavy products, business dashboards, integrations, and production deployment.
Laravel
Go
NestJS
MySQL
PostgreSQL
Docker
RabbitMQ
Next JS
Node JS
React
Vue JS
Redis
Linux
NGINX
NATS
S3 Storage
Laravel
Go
NestJS
MySQL
PostgreSQL
Docker
RabbitMQ
Next JS
Node JS
React
Vue JS
Redis
Linux
NGINX
NATS
S3 Storage
Let's Connect
Kenly Krisaguino Santoso is a backend engineer and end-to-end system builder focused on turning manual business workflows into production-ready web systems, dashboards, APIs, integrations, payment flows, and deployment-ready applications.