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Gabriel Yohanes

Backend / System Engineer

Specialising in Python, Frappe/ERPNext and MariaDB, with a focus on ERP data, integrations and access controls.

Tangerang, Indonesia

Experience

  1. 03/2025 — PresentContract from 03/2025 · Full-time from 10/2025

    System Engineer (ERP Customizations)

    PT. VEF Solution Indonesia

    Build and maintain ERPNext customisations for an enterprise distribution client, across access control, sales and inventory workflows, finance integrations and reporting. Mainly Python, Frappe and MariaDB, with JavaScript on the front end.

  2. 09/2024 — 03/2025

    System Engineer Intern

    PT. VEF Solution Indonesia

    Built front-end tooling that helps ERPNext users navigate and edit data faster.

  3. 03/2024 — 07/2024

    Web Developer Intern

    Shinta VR

    QA and fixes on a production Nuxt/Vue site.

Skills & Tools

Languages
  • Python
  • JavaScript
  • SQL
Frameworks
  • Frappe
  • ERPNext
  • Vue
Database
  • MariaDB
Tools & workflow
  • Git
  • GitHub
  • Bench CLI
  • AI tools & MCP
  • Jira
  • Asana
Familiar withUsed for local deployments and day-to-day ops, not built from scratch.
  • Linux (WSL)
  • Docker
  • Helm
  • kubectl
Spoken languages
  • Indonesian (native)
  • English (fluent / professional)
  • Japanese (JLPT N3)

Publications

Education & Certifications

Education

  • B.Sc. Computer Science

    Bina Nusantara University

    2021 — 2025 · GPA 3.74

Certifications

  • JLPT N3

    Japanese-Language Proficiency Test

    Japanese

Side projects