raihanrbuild · solve · evolve
Build · Solve · Evolve

Iturntangledoperationsintosoftwareteamsactuallytrust.

Full-stack engineer & data-minded builder. I design, build, and ship real systems, from multi-branch point-of-sale to privacy-first products.

Raihan RamadhanBandung, Indonesia
02 · Process
  1. 01

    Discover

    Understand the real workflow before writing a line.

  2. 02

    Design

    Model the domain; make the data structure the decision.

  3. 03

    Build

    Ship in vertical slices that work end-to-end.

  4. 04

    Iterate

    Put it in real hands; fix what reality reveals.

  5. 05

    Launch

    Harden, document, and hand over something durable.

03

Product thinking, full-stack execution, data retrieval, and infrastructure that ships: one continuous discipline.

Product & Systems

Requirements → architecture, Domain modeling, Multi-role systems, Workflow design

Full-Stack Engineering

Next.js / React, Laravel / PHP, TypeScript, REST & server actions

Data & Retrieval

BM25 + Dense Passage Retrieval, Sentiment & pattern analysis, ETL, Information retrieval

Frontend Craft

Tailwind CSS, Motion / interaction, PWA & offline, Accessibility

Backend & Infra

PostgreSQL / Prisma, MySQL, Auth & sessions, PDF & reporting pipelines

Deployment

Vercel, CI & previews, Performance, Monitoring

04 · Experience

Web Developer Intern

DPMPTSP Kota Bandung
2024

Built a full-stack asset management system for a government division.

IT Team · Developer Support

SMKS Taruna Harapan 1 Cipatat
2020

Shipped a school site + article CMS in Laravel; supported an e-learning platform.

B.Sc. Informatics

Universitas Komputer Indonesia (UNIKOM)
2025
05 · Credentials
Research

Hybrid Indexing of BM25 and Dense Passage Retrieval for Open-Domain Question Answering

Undergraduate thesis: combining sparse (BM25) and dense (DPR) retrieval for efficient open-domain QA.

Credentials
  • CCNA: Introduction to NetworksCisco · 2024
  • Cybersecurity EssentialsCisco · 2024
  • Junior Web ProgrammerLSP (BNSP) · 2020
06 · Let's talk

Let's build something meaningful.

Open to roles and collaborations where systems thinking and shipping both matter.

© 2026 Raihan RamadhanBuild · Solve · Evolve