Open to new opportunities

Hi, I'm Febrianto

Full Stack Web Developer, Spring Boot Engineer, Svelte Enthusiast, Event-Driven Builder, SQL Optimizer

3.0 years building MTHIS 2.0, a production hospital information system — event-driven microservices with Spring Boot & Kafka, and fast, maintainable interfaces with Svelte & TypeScript.

Medan, Indonesia @Lightsoft123
Steven Febrianto
SvelteSpring BootKafkaPostgreSQLTypeScriptDocker
About me

Engineering software that hospitals rely on every day.

Full Stack Web Developer with nearly 3 years of experience building and scaling a production hospital information system used across clinical, inventory, administrative, and financial operations. I build event-driven microservices with Spring Boot, Kafka, and PostgreSQL on the backend, and responsive, maintainable interfaces with Svelte and TypeScript on the frontend.

  • SQL query optimization
  • Real-time systems
  • Clean, low-defect code
  • Team collaboration

Bachelor Degree of Computer Science

Universitas Mikroskil, Medan

2019 – 2023 · GPA 3.52 / 4.00

0.0 Years building production software
0 MTHIS 2.0 systems contributed to
0 Public GitHub repositories
0.00 GPA, Computer Science
Tech stack

Tools I use to ship.

From Kafka-driven microservices to pixel-tidy Svelte components — the stack behind MTHIS 2.0 and my side projects.

JavaSpringSpring BootNode.jsSvelteTypeScriptJavaScriptHTMLCSSTailwindCSSPostgreSQLMySQL
OracleRedisApache KafkaBun WebSocketDockerGitGitHubBitbucketLinuxMicroservicesREST APIsReal-time systems

Backend

JavaSpringSpring BootNode.js

Frontend

SvelteTypeScriptJavaScriptHTMLCSSTailwindCSS

Databases

PostgreSQLMySQLOracleRedis

Messaging & Real-time

Apache KafkaBun WebSocket

DevOps & Tools

DockerGitGitHubBitbucketLinux

Architecture

MicroservicesREST APIsReal-time systems
Experience

Building MTHIS 2.0 end to end.

One hospital information system, six areas of ownership — from billing race conditions to real-time patient queues.

Full Stack Web Developer

Murni Teguh Memorial Hospital, Medan
Oct 2023 – Present
MTHIS 2.0

Financial System

Backend
  • Debugged and resolved a race condition in real-time billing data, ensuring accurate and consistent transaction processing.
  • Developed CRUD across multiple modules of the financial system.
  • Automated database migrations using Flyway for consistent, version-controlled schema changes.
  • Synchronized master data across backend services in real time using Apache Kafka.
Projects

Things I've built on the side.

Open-source work from my GitHub — SvelteKit apps, REST APIs, ML capstones and puzzle solutions.

B

Bookshelf API

RESTful book management API (create, list, update, delete) built with Node.js and Hapi.

JavaScript Node.jsHapiREST API
N

Notes App API

Back-end for a notes application exposing CRUD endpoints with Node.js routing and handlers.

JavaScript Node.jsHapiREST API
A

Advent of Code

My solutions to Advent of Code puzzles — calorie counting, rock-paper-scissors strategy and more.

Python PythonAlgorithmsPuzzles
M

Mart Rust

PoS system for a small grocery store built with Tauri.

Rust RustTauriSQLiteMulti PlatformSvelte
Playground

Programming challenges & my solutions.

Advent of Code, LeetCode classics and real-world problems from MTHIS — each with an explanation, complexity analysis and runnable tests.

0
Easy
0
Medium
0
Hard
0
Total
Open the playground
doctor-schedule.js
function solve(schedules) {
// no overlapping same-day bookings
const groups = new Map();
for (const s of schedules) …
return conflicts;
}
2/2 tests passed 0.08 ms
Contact

Let's build something reliable together.

Whether it's a full-stack role, a tricky real-time system or a Svelte UI that needs love — my inbox is open.

Say hello

Medan, North Sumatra, Indonesia