Full stack developer based in Sydney

Building digital products that work in real life

I build websites, web apps, and business tools that are clear, reliable, and easy to use.

5+
Years building
10+
Projects launched
Web platforms
Main work
profile.config.ts
// production profileconst engineer = { name: "Yoseph Indra John Saputra", role: "Full Stack Developer", focus: ["web apps", "automation", "business systems"], location: "Sydney, Australia", status: "available for selected freelance work",};// current prioritiesdeploy({ infrastructure: ["AWS", "Docker", "Kubernetes"], appLayer: ["Next.js", "Laravel", "Node.js"], database: ["Postgres", "Redis"], result: "reliable products for real use",});
Available for freelance projects

Tools I use to build and deliver

Frontend
React.js
Next.js
Vue.js
Tailwind CSS
Backend
Node.js
Laravel
Spring Boot
REST APIs
Database
PostgreSQL
MongoDB
Redis
SQL Server
DevOps
Docker
Kubernetes
AWS
CI / CD
Yoseph Indra John Saputra
5+
Years engineering

I build digital work that feels clear and useful

I'm Yoseph, a full stack developer based in Sydney. I build websites, web apps, and internal tools that are clear, reliable, and useful for everyday business needs.

My experience includes banking platforms, client websites, booking systems, e-commerce work, and automation tools. I enjoy taking projects from idea to launch and keeping them easy to manage over time.

Web Applications
Internal Tools
API Integration
Automation
E-Commerce
Project Delivery

Where I've done the work

Full Stack Developer
Bank KEB Hana Indonesia

Worked on banking web platforms and internal tools, supporting both customer-facing features and day-to-day business operations.

Helped improve internal and public-facing web platforms using React.
Updated older PHP applications into a more modern Next.js setup.
Built and maintained backend services for key business processes.
Created internal tools that reduced repetitive manual work.
Supported a smoother release process with Docker and GitHub Actions.
ReactNext.jsSpring BootNode.jsDockerMySQL
Freelance Full Stack Developer
Independent - Various Clients

Building websites, web applications, and custom tools for clients across hospitality, e-commerce, events, and community organisations.

Built AI chatbot tools connected to private business content.
Developed booking and reservation systems for different client needs.
Delivered business websites that are clear, fast, and easy to manage.
Set up e-commerce platforms and supporting automation workflows.
LangChainLaravelVue.jsAWSStripe APIPostgres

Selected work

Real client and product work across hospitality, finance, e-commerce, and community platforms, with the current flagship piece featured first.

Start a project
Clipper Studio
New
AI Video Tool
Clipper Studio
A web app that turns long YouTube videos into short clips with subtitles, layout options, and ready-to-publish content.
APEX Terminal
New
Trading Dashboard Concept
APEX Terminal
A browser-based trading dashboard concept focused on market visibility, decision support, and a polished user experience.
South Austral Pty Ltd
Client Work
Corporate Supply Website
South Austral Pty Ltd
A corporate website for a medical, laboratory, and industrial supplier, designed to present products and services clearly.
BeritaKocak
Client Work
Satire News Portal
BeritaKocak
An Indonesian satire news website with category pages, editorial structure, and a layout built for easy browsing.
Rambutan Hotel
Primary
Hotel Website
Rambutan Hotel
A hotel website concept focused on room presentation, atmosphere, and a smoother booking journey.
Cartaroo
New
E-Commerce
Cartaroo
An e-commerce project focused on product listing, store operations, and automation to reduce manual work.
TopUpHemat.id
Client Work
Digital Top-Up Platform
TopUpHemat.id
A digital top-up platform with online payments and automation to monitor suppliers and support purchasing workflows.
GBI Miracle Service Sydney
Client Work
Community Website
GBI Miracle Service Sydney
A website refresh for a church community to improve communication, content sharing, and online access.
Hana Bank Indonesia
Enterprise
Banking Platform
Hana Bank Indonesia
Part of a wider banking platform update covering customer-facing web features and supporting backend systems.
Euna Italian Restaurant
Client Work
Restaurant Website
Euna Italian Restaurant
A restaurant website designed to present the menu, brand, and dining experience in a clear and welcoming way.
Armada Orient Furniture
Client Work
Furniture Website
Armada Orient Furniture
A furniture supplier website built to showcase products clearly and support customer enquiries.
Indra Wedding
Legacy
Personal Wedding Website
Indra Wedding
A personal wedding website built to manage RSVPs, event details, guest information, and shared memories.

Areas I work in

Frontend
React.jsNext.jsVue.jsTailwind CSS
Backend
Node.jsLaravelSpring BootREST APIs
Database
PostgreSQLMySQLSQL ServerRedis
Cloud & Deployment
AWSDockerKubernetesGitHub Actions
Business Projects
Company websitesBooking systemsE-commerceInternal tools
Other Work
AutomationSEOAI toolsMaintenance and support
Open to freelance and remote contracts

Have a project worth building?

From business websites to internal tools and custom web apps, I can help plan, build, and launch the right solution for the job.

Get in touch

Have a project, contract, or website update in mind? Reach out directly.

Tell me a bit about the project, timeline, or problem you want solved. I usually reply within 1 to 2 business days.