Rakha Renanda

Fullstack Developer & DevOps Engineer

Computer Engineering Undergraduate at Institut Teknologi Sepuluh Nopember (ITS). Focusing on Full Stack Web Development, DevOps & Infrastructure, and AI Automation. Obsessed with efficiency, self-hosting, cloud orchestration, building seamless digital experiences, and AI-powered solutions (RAG systems, local LLMs running on a Proxmox homelab).

Technical Skills

Frontend Development

React.js
Next.js
Tailwind CSS
TypeScript
Flutter & Dart
Figma

Backend & Databases

Node.js & Express.js
Python & FastAPI
MongoDB
MySQL
PostgreSQL & Supabase
Redis & pgvector

DevOps, Cloud & Infrastructure

Proxmox VE (Virtualization & Homelab)
Docker & Portainer
AWS EC2
Cloudflare Tunnels
Nginx
Grafana & Prometheus
Linux / Ubuntu Server
n8n Automation

Work Experience

Software Engineer Intern — PT Lautan Natural Krimerindo

Jun 2026 – Present | MERN Stack Dev

Engineered full-stack internal web applications leveraging MongoDB, Express, React, and Node.js.
Developed dynamic, responsive, and state-driven frontend interfaces using React.js.

Software Developer (Freelance) — Independent

Dec 2025 – Present | Next.js & Python Backend Developer

Spearheaded custom software delivery for diverse clients.
Built scalable web apps using Next.js and Python.

IoT Engineer Intern — PT Javadwipa Duta Mandiri

Sep 2025 – Dec 2025 | HVAC Automation & ESP32

Engineered an IoT-based HVAC automation system using ESP32 and BME280 sensors.
Developed a custom IR Blaster mechanism to control legacy AC units digitally.

Software Engineer Intern — Diskominfo Kota Semarang

Jan 2026 – Mar 2026 | n8n Workflows & RAG Integration

Engineered automated meeting scheduling systems utilizing n8n workflows.
Built an Enterprise RAG System integrating OpenAI with Google Calendar and Drive APIs.

Projects

Proxmox AI Homelab (DevOps)

Enterprise-grade home server built on Proxmox VE, running multiple VMs and LXC containers. Hosts local LLMs with NVIDIA GPU passthrough via Ollama, real-time system monitoring with Grafana, container orchestration with Docker, and public tunnel exposure through Cloudflare. Powers several personal projects as a fully self-managed private cloud.

Technologies used: proxmox, docker, ubuntu, linux, cloudflare, grafana, nvidia

Sakai Chatbot (AI)

Final Year Project — a RAG-based WhatsApp chatbot running on a self-hosted Proxmox homelab. Powered by local LLMs via Ollama with pgvector for semantic search and Redis for session memory. Built entirely on n8n with two workflows: a chatbot pipeline and a document ingestion pipeline with a ReactJS frontend. Uses GOWA as the WhatsApp gateway.

Technologies used: n8n, whatsapp, ollama, redis, pgvector, react, proxmox, docker

AWS EC2 Self-Hosted Server (DevOps)

Personal cloud server built on AWS EC2 with a full self-hosted stack — Nginx as reverse proxy, Portainer for container management, and Grafana for real-time monitoring and dashboards.

Technologies used: aws, nginx, portainer, grafana, docker, ubuntu, linux

AskInfo (AI)

AI-powered chatbot for scheduling events via Google Calendar, with Google Drive integration as a dynamic knowledge base — upload files to Drive and the bot instantly uses them to answer questions.

Technologies used: n8n, react, google-calendar, google-drive, supabase, groq, gpt, pinecone

GitHub Repository: https://github.com/lexiiyz/diskominfo-widget

Live Demo: https://diskominfo-widget.vercel.app/