Insights & expertise

Product and platform insightsfrom Hanabi engineers

Practical writing on production AI, backend architecture, permissions, product engineering, and the systems behind reliable software.

How We Use AI With Engineering Ownership

AI helps us move faster. Understanding the system, reviewing changes, and owning the result remain engineering work.

Hanabi Technologies

October 5, 2026

3 min read

Latest articles

AI & Evidence

Useful AI Answers Need Original Evidence

Finding a relevant document is only the start. Reliable answers need source context, permission checks, and honest coverage.

Fix the Cause. Preserve the Product.

A good fix solves the reported issue while protecting the behavior users already depend on.

Hanabi Technologies

October 5, 2026

3 min read

Delivery & Reliability

From Prototype to Production: Check the Whole Workflow

A working screen is one checkpoint. Delivery also depends on the data, integrations, and behavior behind it.

Crafting Adaptive AI Workflows with LangGraph

Large Language Models (LLMs) have evolved from single-shot text generators into dynamic collaborators that can reason over data, call tools, and maintain conversations.

Role-Based Access Control with CASL in a NestJS Backend

Modern back-ends rarely expose every endpoint to every client. Whether you are building an admin dashboard or a partner API, access should depend on who is making the request.

Creating a CI/CD Pipeline with Cloud Build and GKE

Continuous integration and continuous delivery (CI/CD) keep cloud-native applications releasable at all times. Google Cloud Build handles the build and deploy steps, while GKE provides a managed environment.

Building LLM-Powered Apps with LangChain

Large Language Models (LLMs) have opened the door to powerful text-based capabilities: natural language understanding, summarization, code generation, and more.

Working with Google APIs: A Practical Guide to Drive, Sheets, and Gmail

Google's APIs power many everyday services, from Gmail add-ons to advanced analytics on YouTube data. Whether you're building a simple automation or a full-fledged application, the steps to set up, authenticate and use these APIs are consistent across Google Cloud services.

Hanabi Technologies

August 2, 2025

4 min read

DevOps & Observability

Logging in Production: Lessons, Patterns, and Code Snippets

Even the most brilliant application can become unmanageable without effective logging. In production environments, logs provide the narrative for understanding system health, user behaviour, and unexpected failures.

Hanabi Technologies

July 28, 2025

4 min read