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Engineering, systems & the work behind them

Raey Maulana Yunus.

Full-Stack Engineer | Next.js, NestJS & Laravel | System Architect

I build web applications and shape the systems around them.

My work brings together software development, systems analysis, and project leadership. Here are a few projects, and the decisions behind them.

01 / Selected work

Products, platforms & workflows.

The problems, my contribution,
and the decisions behind the work.

Tando application interface, fictional data.
Original application UIFictional data

01 / Personal product

Tando

Signature verification with a purpose, a document reference, and a defined validity period.

MY CONTRIBUTION / Product direction & system architectureProduct decisions, architecture, AI-directed implementation, testing, and deployment.

Next.js · NestJS · PostgreSQL · Docker
Read case study
labbkpi application interface, fictional data.
Original application UIFictional data

02 / Client project · Education

labbkpi

Digital assessment practice for a counselling lab, from participant sessions to instrument-specific results.

MY CONTRIBUTION / Independent deliveryArchitecture, development, QA, VPS setup, CI/CD, and direct client support.

Next.js · Laravel · MySQL · VPS · CI/CD
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Tim AI Hermes application interface, real local application.
Original application UIReal local application

04 / Personal system · Local Docker

Tim AI Hermes

An AI workflow with a read-only view of agents, tasks, and a virtual office.

MY CONTRIBUTION / Idea through local deploymentPlanning, development, testing, and local Docker deployment of the team setup and Mission Control.

Hermes · Next.js · Three.js · SQLite · Docker
Read case study

02 / Behind the work

From the details
to the whole system.

I’m a full-stack engineer and system architect. My work spans education platforms, business operations, and personal software products.

Some projects involve building an application independently. Others involve understanding users, defining business processes, and directing a team. Each case study makes my responsibilities clear.

Next.js / NestJS / Laravel / TypeScript
MySQL / PostgreSQL / Docker / VPS / CI/CD
More background · CV

Understanding the process

Research and analysis connect the application to the people who use it.

Parents Info

Connecting the system

Architecture, data relationships, and the environment the software runs in.

labbkpi

Owning the delivery

Product decisions, testing, release, and support as part of the work.

Tando

03 / Activity

On GitHub

GitHub activity is temporarily unavailable. You can view the latest contributions on my GitHub profile.

Most of my work lives in private repositories, across my primary role and freelance projects.

View GitHub profile

A conversation starts here

Have an idea or a collaboration in mind?

Let’s talk it through.