Available for Opportunities

Fullstack Developer · Semarang, ID

OctavianoRyan EkaPutra Hartanto

I build clean, dependable web applications with Golang, Laravel and Node.js — no fluff, just software that works.

Octaviano Ryan Eka Putra HartantoHi ✦ I'm Ryan

Status · Live

Open to Work

Freelance & full-time roles considered.

01

About

I build modern web applications focused on user experience, performance and clean architecture. I believe in simple, elegant solutions to real problems — and I treat every project as a chance to make something that lasts.

02

Toolkit

Golang✦Laravel✦React✦Node.js✦TypeScript✦PostgreSQL✦Docker✦RabbitMQ✦Redis✦Tailwind CSS✦REST APIs✦CI/CD✦Google Cloud✦Nginx✦Linux✦Golang✦Laravel✦React✦Node.js✦TypeScript✦PostgreSQL✦Docker✦RabbitMQ✦Redis✦Tailwind CSS✦REST APIs✦CI/CD✦Google Cloud✦Nginx✦Linux✦

Frontend

9
Pegboard
Drag & Play ✦

Backend

10
Pegboard
Drag & Play ✦

DevOps

8
Pegboard
Drag & Play ✦
03

Experience

01
2026 — NowPT. Hwaseung Indonesia · Manufacturing

Fullstack Developer

Architected high-reliability internal manufacturing web tools and production tracking dashboards, automating manual workflows across multi-line factory operations.

PT. Hwaseung Indonesia · Manufacturing
02
2025 — 2026Crocodic · IT Consultant

Fullstack Developer

Engineered scalable REST APIs and client-facing web applications with Laravel and Node.js, slashing response latency and accelerating release cycles across agile sprints.

Crocodic · IT Consultant
03
2024 — NowVarious Clients

Freelance Developer

Delivered custom fullstack applications from architecture to deployment, achieving 99.9% uptime and streamlined user conversion for small businesses and startups.

Various Clients
04
2024Golang Bootcamp

Backend Engineering (MSIB)

Completed 16-week intensive backend program building production-grade microservices with Golang, PostgreSQL connection pooling, and resilient REST architectures.

Golang Bootcamp
05
2021 — 2025Universitas Dian Nuswantoro

B.Sc. Computer Science

Graduated with core specialization in algorithms, distributed systems, and modern software engineering paradigms.

Universitas Dian Nuswantoro
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From the Blog

06

Contact

Let's make something real

Got a wild idea?
I turn it into a product.

From early concepts to polished digital experiences, I help bring ideas to life with thoughtful code and clear execution.

What I can help with

  • Web apps and APIs
  • Landing pages and portfolios
  • Backend systems and tooling
Fast turnaroundClear communication