Web · Backend · Mobile · AI Applications

Available for work

SoftwareDeveloper.Across the stack.

I'm Alfa Rizi. I build web interfaces, backend APIs, Flutter apps, AI-powered tools, and C++ gameplay projects. Explore work across React, Go, Java, Python, and C++, then choose the CV that fits the role you're hiring for.

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Projects

01 — 12

Capabilities

Backend & Systems

  • Go / net/http / pgx
  • Java / Quarkus / Spring Boot
  • PostgreSQL, migrations & row locks
  • Account isolation & revocable sessions
  • Double-entry journal logic

AI & Vector Search

  • RAG Architecture
  • LangChain & ChromaDB
  • Google Gemini 2.0 Flash
  • PyMuPDF Ingestion
  • sentence-transformers

Frontend & Motion

  • React 19 & Next.js
  • Tailwind CSS & TypeScript
  • GSAP 3 + ScrollTrigger
  • Three.js visualizations
  • Browser Web Audio / Speech APIs

Flutter & Local Data

  • Flutter / Dart interfaces
  • SQLite ledger persistence
  • Explicit sync & persistent outboxes
  • Conflict and dataset recovery
  • Encrypted backup / restore flows

Testing & Delivery

  • Go race detector & PostgreSQL integration tests
  • JUnit / ArchUnit / Testcontainers
  • Flutter unit, widget & emulator checks
  • Docker Compose & GitHub Actions
  • Documented verification and release gates

IT Support & Data Quality

  • Hardware diagnostics & workstation maintenance
  • OS patches & software configuration
  • Antivirus updates & support tickets
  • Technical asset-record validation
  • Intern team coordination

About

Education & Training

Final project in progress

Associate Degree in Informatics Management (D3) · Universitas Nasional PASIM

GPA 3.78 / 4.0 — currently writing final project; Bandung, Indonesia

2024 – Present

PUB Intensive Technical Scholarship · Pemberdayaan Umat Berkelanjutan

Logic & C · Data Structures & Relational Databases · Web (HTML/CSS/JS) · Java Development · Git & GitHub · Advanced Java Development · React Development

Experience

2025 – Sep 2026

Lead Intern — IT & Business Operations · PT Resika Cemerlang

Led a five-person intern team supporting day-to-day IT operations and validating medical-device asset records at PT Resika Cemerlang.

  • Workstation maintenance: coordinated hardware checks, OS security patches, software configuration and antivirus updates.
  • Support operations: tracked maintenance tickets, followed up on team tasks and prepared weekly operational reports.
  • Data quality: checked technical specifications in medical-device asset records for accuracy and consistency.

Organizations

2024 – Present

Academic Staff · HIMAMI (Informatics Student Association)

Coordinated academic development programs, peer-to-peer coding tutorials, and tech workshops for software engineering students.

2025

Master of Ceremony (MC) — Orientation · Student Community Organization

Hosted official orientation ceremonies for incoming members, coordinating event rundowns and stage dynamics.

Certifications

  • 2026Python for Everybody Specialization — University of Michigan
  • 2025Programming for Data Science — HarvardX
  • 2025Certified Entry-Level Python Programmer — HarvardX
  • 2026Introduction to Cloud Computing — IBM
  • 2026English Communication Skill — Arizona State University
  • 2025Cybersecurity Fundamentals — RIT
  • 2025Introduction to Cybersecurity — edX