AI, engineering & a little perspective

Doni Putra.

Making sense of AI.
Building what comes next.

Exploring AI news, research, and the ideas shaping how we work, with a hands-on perspective from cloud and backend engineering.

Explore the journal Selected work
Doni Putra PurbawaDoni Putra PurbawaAI Enthusiast | Cloud Architect & Senior Backend Engineer
01

The foundation for what comes next.

AWS infrastructure built for reliability, security, and growth.

Independent thinking. Practical engineering.Indonesia Open to the world

The journal

Ideas worth a closer look.

All articles
Anthropic's Defense Dispute: Who Decides Where AI Should Draw the Line?
AI & Technology

Anthropic's Defense Dispute: Who Decides Where AI Should Draw the Line?

A February 2026 dispute put AI usage boundaries in the spotlight. Separate a company's public position from the broader questions of accountability and procurement.

Retrospective 2 min read
Read the story
02

AI & Technology

Workday Report Finds Employers Shifting From Basic AI Skills to Building Tools

2 min read
03

Japan Life

Japan's Public Libraries: A Better Plan Than Another Cafe

7 min read
04

Japan Life

Cashless Japan, With a Cash Backup: Avoid Payment Surprises

3 min read

From thinking to building

Selected work.

All projects
SmartMatch OCR logo and a generated document-to-verified-data workflow visualization

AI & LLM2026

SmartMatch OCR: AI Document Processing & Verified Data

A Node.js and Express document-intelligence API that turns scans and PDFs into structured data through configurable extraction, validation, human review, and finalized output.

Node.jsExpressAI OCRREST APIs
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milc logo and a generated desktop visualization of voice-powered text editing

AI & LLM2026

milc: Voice-Powered AI Text Editing for Windows & Mac

An Electron desktop app that brings voice input, rewriting, translation, and shortcuts into everyday writing, backed by a Node.js and Express API.

ElectronNode.jsExpressOpenAI API
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AI-generated reconstruction of the pink, blue, and burgundy i-Nose C-19 research instruments

Machine Learning2021

i-Nose C-19: Deep Learning for Sensor Outlier Detection

An adaptive deep-learning filter for detecting outliers in electronic-nose sensor signals, developed within the i-Nose C-19 research initiative.

PythonTensorFlowTFLiteNumPy
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Behind the work

Built on
real experience.

6+ years building backend and platform systems, leading a team of 6 engineers, and connecting cloud, fintech, and AI.

My experience Download CV
Cloud architecture

AWS production environments with EC2, RDS, S3, CloudFront, IAM, observability, and CI/CD. Infrastructure that teams can operate with confidence.

Backend platforms

REST APIs, microservices, and gRPC services with Node.js, Java, Go, and PostgreSQL. Clear boundaries, reliable data flows, and maintainable integrations.

Applied AI

LLM orchestration with OpenAI and Gemini, RAG pipelines, vector search, and machine learning model deployment. Connecting intelligence to useful product experiences.

Fintech & payments

Stripe, PayPal, GMO, and Square integrations, including subscription billing, resilient webhooks, and reconciliation.

Good work starts with a conversation

What are you
building next?

Let's talk