ArchitectureOct 27, 20243 min read
Why Nested API Endpoints Cause Problems
Nested API endpoints feel intuitive, but they often introduce ambiguity, authorization complexity, and maintenance problems.
Open for collaboration
I'm Indra Zulfi.
I build reliable software, AI agents, and developer tools.
I help teams turn ambitious ideas into reliable software, from product systems and backend architecture to AI agents and the tooling around them. The thread across all of it is simple: make hard things clear, useful, and ready for the real world.
BasedIndonesia, working globally
Best atAI agents, evaluation harnesses, developer tooling, and backend systems
Known forTurning messy, high-context ideas into reliable software people can trust
Focused onBuilding AI systems teams can test, observe, and trust
Engineering notes
Writings
ArchitectureJun 28, 20243 min read
Building a Next.js App with Clean Layered Architecture
A layered approach for Next.js apps that makes presentation, repositories, services, and DTOs easier to reason about.
DatabasesJun 15, 20243 min read
Why SQLite Is Still Underrated
A practical case for SQLite: individual queries get much cheaper when there is no network in the middle.
Built and shipped
Things I've worked on
ProjectLive
Agents OS
An AI-powered desktop workspace for chat, tasks, terminal, and tools in one place, with a strong bring-your-own-key and local-first workflow.
ProjectLive
DeltaKit
A React toolkit for AI chat interfaces, focused on real-time streaming, flicker-free markdown rendering, and lightweight developer ergonomics.
ProjectLive
Devscale Indonesia
An engineering education platform I founded, where I've helped 580+ students grow into stronger product and software engineers.
ProjectOpen Source
OpenCircle
An open-source social learning platform that combines online education with community interaction.
ProjectNDA
Deep Research
A confidential AlphaX project focused on startup analysis for investment research and decision-making, where I worked as Engineering Lead with a team.
ProjectNDA
AI Quant Analyst
A confidential AlphaX project for calculation, prediction, and stock investment analysis, which I built solo.
ProjectSunsetting
Litojs
A JavaScript framework I created for ambitious product teams. The project is now sunsetting.
ProjectSunsetting
Bexlite
A streamlined JavaScript stack I designed to reduce setup drag and improve developer defaults. The project is now sunsetting.
ProjectSunsetting
Phinodes
An AI application platform I helped shape around turning prompt ideas into usable agent workflows. The project is now sunsetting.
Experience
Places I've worked
AlphaX
Engineering Lead
JapanRemoteAug 2024 - Present
Devscale Indonesia
Founder and Mentor
IndonesiaHybridMay 2023 - Present
Designstripe
3D Tech Generalist and Software Engineer
CanadaRemoteAug 2020 - May 2024
SSH International
3D Generalist
BahrainOn-siteAug 2016 - Jul 2020
Pixellin Studio
Co-founder and Web Developer
IndonesiaOn-siteAug 2011 - Jul 2016