ramdani@portfolio: ~
$ whoami
Hi, my name is
Ramdani.
Backend Software Engineer
$ cat intro.txt
Backend-focused Software Engineer with 6+ years of experience designing and shipping production systems across PHP (Laravel, Symfony), Go, Python (Django), and TypeScript (NestJS). Track record of delivering high-impact initiatives end-to-end as both Engineer and Project Lead.
$ ls ~/links/
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$ about
Backend-focused Software Engineer with 6+ years of experience designing and shipping production systems across PHP (Laravel, Symfony), Go, Python (Django), and TypeScript (NestJS). Track record of delivering high-impact initiatives end-to-end as both Engineer and Project Lead: cost reductions, fraud mitigation, large-scale operational automation, and on-time releases with zero post-release incidents. Comfortable across REST, GraphQL, and gRPC, with hands-on experience in cloud infrastructure (GCP, AWS), Redis, and Elasticsearch. Proven ability to ramp on legacy systems left by previous engineers, harden them, and ship new capability fast.
$ skills --list
PHP / Laravel PHP / Symfony Go Python / Django TypeScript / NestJS REST / GraphQL / gRPC MySQL / PostgreSQL / Cloud SQL Redis / Elasticsearch GCP (Compute, Cloud SQL, GCS) / AWS (SES)
---
$ experience --all
PT Laku6 Online Indonesia
Backend Engineer / Project Lead
January 2023 - Present

Fulltime - Jakarta (Remote)

Tech: PHP (Symfony), Go, NestJS, gRPC, REST.

  • Cyborg Presale Investor (Project Lead) — Delivered on schedule in W29, saving one full sprint (~2 weeks of engineering capacity); zero post-release incidents.
  • Jubelio Integration (Engineer → Project Lead) — Owned end-to-end shipment flow across mobile, dashboard, and vendor systems. Introduced a middleware-based insurance service preserving clean boundaries with the existing shipment service. Optimized flat shipment fee logic, reducing costs by ~Rp 50,000,000 since release. Resolved load performance bottlenecks via debugging and design improvements.
  • Inventory Movement (Engineer) — Drove design, implementation, and API documentation; delivered ahead of schedule. Automation impacted ~86,000+ SKUs (44,813 inbound processing + 41,200 handover). Reduced new-store bin setup to under 5 minutes.
  • MJ Abuse Control (Engineer → Project Lead) — Blocked 82 abusive accounts while safely reinstating 2 profitable ones, mitigating fraud exposure that previously reached ~Rp 500,000,000.
  • Listing Enhancement (Engineer) — Delivered 1 week early.
  • Consistent production-grade PRs across multiple repositories and active peer code reviews to sustain quality and velocity.
---
PT. Digital Inteligensi Nusantara
Backend Engineer
October 2024 - April 2026

Freelance - Lombok (Remote)

Tech: Python, Django.

  • Took over a partially-built system from the previous engineer; led a smooth migration from the legacy system to the new platform with multiple feature additions and improvements.
  • Delivered most features — including large ones — in ≤ 2 days with at most 2 revision rounds.
  • Proactively identified and fixed bugs and latent issues before they reached end users, hardening reliability of an inherited codebase.
---
PT Software Seni
Backend Engineer
March 2020 - January 2023

Fulltime - Yogyakarta (Remote)

Tech: PHP (Laravel), Go, GCP (Cloud Compute, Cloud SQL, GCS), Redis, Elasticsearch, AWS SES.

  • Paspor Sehat (flagship) — COVID-19 departure verification platform deployed at airports, seaports, and train stations nationwide, serving millions of passengers and integrating with thousands of hospitals plus multiple domestic and foreign airlines.
    • Started as a 2-week donation effort; scaled and presented to the Ministry of Health and the President, leading to nationwide airport rollout.
    • Began with 2 backend engineers; remained as sole backend engineer during a critical phase before the team grew to 3 (2 backend + 1 frontend, with a mobile developer).
    • Architecture on GCP: Compute instances, Cloud SQL, GCS for storage, Redis for session offload (cutting DB request load), Elasticsearch for COVID-19 test history and listings, AWS SES for mail.
    • Multi-role system (super admin, admin, airport, security, hospitals, passengers): registration, COVID-19 test registration, payments, test result submission and verification, airline integration, reporting.
  • Other delivered projects: NuConnected, Angkasapura KPI, Quotify (internal quoting tool), From Tiny Islands (jewels marketplace), CannyClass (online course), BPKH (Hajj Financial Management archive system), Secret Ticket Hunter, DKT E-Procurement.
  • Leveraged Go for microservices on selected client projects alongside core Laravel work.
---
Earlier Experience (2017 – 2019)
Various roles — Internship, Freelance, Contract
March 2017 - December 2019

Mataram / Gerung

  • PUSTIK, Universitas Mataram — Full Stack Developer (Internship), May 2019 – Dec 2019. Built dynamic web applications supporting student and staff academic workflows.
  • ITEC Mataram — Backend Engineer (Freelance), Dec 2018 – Dec 2019. Built and maintained Python/Django APIs for an Academic Information System integrated with web and mobile clients.
  • Universitas Mataram (Informatics Engineering) — Software Engineer (Contract), May 2019 – Oct 2019. Developed Python bot applications to automate distribution of academic and personal announcements.
  • Dinas Perumahan dan Permukiman Kab. Lombok Barat — Software Engineer (Freelance), May 2019 – Aug 2019. Built a Java desktop application with a Decision Support System for slum-area data collection and prioritization.
  • Universitas Mataram — Assistant Lecturer (Contract), Mar 2017 – Jun 2017. Taught C++ programming fundamentals: control flow, functions, arrays, structs, pointers.
---
$ education
Bachelor of Computer Science
Universitas Mataram
2015 - 2019
Studied Computer Science with focus on software engineering and web development.
Computer and Network Engineering
SMKN 1 Selong
2012 - 2015
Vocational high school specializing in Computer and Network Engineering.
---
$ projects
Paspor Sehat
Paspor Sehat
COVID-19 departure verification platform deployed at airports, seaports, and train stations nationwide. Millions of passengers, integration with thousands of hospitals and multiple airlines. Presented to the Ministry of Health and the President of Indonesia.
PHP / Laravel GCP Redis Elasticsearch
LPKN Online
Academic Information System with Financial Reports for LPKN Training Center. Multi-role platform with payments, academic records, and push notifications.
Django DRF Docker Redis Celery FCM
ITEC Online
ITEC Online
Academic Information System with Financial Reports for ITEC Mataram. Same architecture as LPKN — Django REST API, async Celery tasks, FCM push notifications. Note: site no longer reachable.
Django DRF Docker Redis Celery FCM
ESKST Unram
ESKST Unram
Staff data collection system from assignment letters for Universitas Mataram. Laravel backend with VueJS SPA frontend. Note: site no longer reachable.
PHP / Laravel VueJS
TA SIA Unram
TA SIA Unram
Thesis Information System for Universitas Mataram — final project title submission, scheduling, and final exam workflow. Note: site no longer reachable.
PHP / Laravel
SKPI Unram
Diploma Supplement system for collecting fresh graduate achievements at Universitas Mataram.
PHP / Laravel
Beasiswa Unram
Beasiswa Unram
Scholarship Information System for Universitas Mataram — administer scholarships and open student registration. Note: site no longer reachable.
PHP / Laravel
Telegram Academic Chatbot
Telegram bot delivering academic information for the Informatics Engineering Department of Universitas Mataram. Published in JTIKA journal.
Python Telegram Bot API
Smart Meter System (Thesis)
Smart Meter System (Thesis)
IoT-based smart meter system — bachelor thesis project. Django web backend, C++ on the device, MongoDB for time-series readings, MQTT for device communication.
Django C++ MongoDB MQTT IoT
Desa Kumuh — Slum Area DSS
Desa Kumuh — Slum Area DSS
Java desktop application for slum-area data collection in Kabupaten Lombok Barat. Built-in Decision Support System to prioritize handling of slum areas.
Java NetBeans DSS
GitHub Projects
Check out my open source projects and contributions on GitHub.
PHP Go Python TypeScript
---
$ achievements
[1] Microsoft Technology Associate
Software Development Fundamentals
[2] LSP TIK - Junior Networking
Certified by Lembaga Sertifikasi Profesi Teknologi Informasi dan Komunikasi for Junior Networking competency.
[3] LSP TIK - Digital Imaging
Certified by Lembaga Sertifikasi Profesi Teknologi Informasi dan Komunikasi for Digital Imaging competency.
---
$ contact
My inbox is always open. Whether you have a question or just want to say hi, I'll try my best to get back to you!
$
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