01. Profile & Philosophy
About Adi Saputra
Engineering resilient backend infrastructures, distributed bot architectures, and high-performance server automation.
Background & Journey
Hello! I am Adi Saputra, a Software Engineer and Bot Architect based in Indonesia, known online as yuurahz. My engineering focus centers on building modular, efficient, and resilient backend systems that scale smoothly under demanding workloads.
My journey began with authoring lightweight automation scripts in Linux environments to streamline repetitive operational tasks. That passion quickly matured into engineering enterprise-grade WhatsApp and Telegram bot architectures utilizing WebSocket multi-device protocols, distributed session caching, automated payment gateway webhooks, and processing tens of thousands of messages daily.
Currently, my day-to-day focus revolves around building clean API architectures, tuning relational databases (PostgreSQL & SQLite), and managing zero-downtime Linux server automation workflows.
Core Engineering Principles
Uncompromising Resiliency
Systems must gracefully handle unexpected disconnects, utilize idempotent message queues, and self-heal automatically.
Minimal & Efficient
Avoiding bloat and speculative abstractions. Prioritizing standard libraries, low memory footprints, and clean maintainability.
Defensive Security
Strict input sanitization, multi-layer rate limiting, CSRF/XSS defense-in-depth, and hardened server environments.
Technologies & Tech Stack
Backend & Languages
- ▹ Node.js & TypeScript (ESM, Async/Await)
- ▹ Python 3 (FastAPI, Asyncio, Scripts)
- ▹ Baileys WhatsApp WebSocket Engine
- ▹ Telegraf & Telegram Bot API
- ▹ Express, Fastify, REST & WebSocket APIs
Databases & Infrastructure
- ▹ PostgreSQL & Supabase Cloud
- ▹ SQLite (better-sqlite3 embedded)
- ▹ Linux Server Administration (Ubuntu/Debian)
- ▹ Docker, Git, GitHub Actions CI/CD
- ▹ Astro, React, Tailwind CSS, Vercel
Experience & Contributions
Backend & Software Engineer @ Yoshida Tech Studio
2024 - PresentArchitected and built Node.js and Express backend services powering Discord automation and internal admin control panels. Optimized PostgreSQL queries and implemented Redis queues for asynchronous message processing.
Freelance Backend & Automation Developer @ Independent / Community Clients
2022 - 2024Built custom smart assistant bot , webhook verification workflows, and managed Linux VPS deployments (Nginx, PM2, Docker) for various developer groups and digital creators.
Backend Developer @ Lorem Ipsum
2020 - 2024Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer vitae justo massa. Quisque placerat magna nec urna blandit, quis sodales nunc hendrerit. Nullam molestie pharetra quam, vel dapibus neque condimentum et. Donec a cursus arcu, vitae commodo eros. Integer sit amet ipsum mi. Vestibulum ut viverra nulla, vel aliquet erat. Aenean vitae tempus diam, et blandit ligula.
Interested in Collaborating?
I am available for backend engineering contracts, custom bot architecture, and technical consulting.