Notes from the work itself
Short, specific write-ups on the technical calls behind our Android, web and EdTech projects, and how we document the APIs we ship. Written by the engineers who made the calls.
34 articles
Guides worth reading first
Evergreen write-ups on choices most teams face early: language, framework and learning platform.
All articles
Web DevelopmentThe AI Code Review Crisis of 2026: Why Senior Engineers Are Burning Out (And The 5-Step Solution)
Why writing code with AI is 10x faster but reviewing it is 3x harder. Inside the Reverse-Engineering Tax and the 5-step framework to verify AI PRs.
Oct 23, 20269 min read
Cloud & DevOpsMulti-Model LLM Routing in 2026: How Production Teams Cut AI API Costs by 85%
Why sending all prompts to frontier models wastes 85% of your API budget. Learn how a 3-tier routing architecture cuts costs with sub-200ms latency.
Oct 21, 202610 min read
Web DevelopmentWhy 'Vibe Coding' Fails in Production: The 2026 Engineering Guide to AI Technical Debt
Why 80% of AI-generated codebases hit a wall within 90 days, the hidden costs of code duplication, and how senior engineers build maintainable software.
Oct 18, 20269 min read
Cloud & DevOpsThe Claude Code 256KB Flaw: How AI Coding Agents Expose Developer Secrets (And How to Protect Your Team)
Inside the CVSS 8.7 SneakPeek flaw in Claude Code: how a 256KB preview buffer enabled credential theft and how engineering teams must harden AI workflows.
Oct 15, 20269 min read
Cloud & DevOpsPostgreSQL + pgvector in 2026: Why Engineering Teams Are Ditching Standalone Vector Databases
Why 90% of engineering teams are consolidating on Postgres with pgvector, how HNSW solves RAM bottlenecks, and how to build production RAG without drift.
Oct 13, 20268 min read
Cloud & DevOpsModel Context Protocol (MCP) in 2026: The Production Guide for Web Developers
How to build, secure, and deploy a production remote MCP server with TypeScript. Connect your web APIs, databases, and internal tools to Claude and AI agents.
Oct 12, 202610 min read
Web DevelopmentOpen Graph & Social Meta Tags in 2026: The Complete Guide to Bulletproof Link Previews
Why social link previews break on LinkedIn, X, and Slack, how edge dynamic OG image generation works, and how to build metadata that maximizes clicks.
Oct 11, 20268 min read
AndroidGoogle Play vs App Store Fees in 2026: Is External Billing Actually Cheaper?
Google and Apple now allow external payment links and alternative billing. We ran the numbers on Stripe fees, service cuts, and conversion drop-off.
Oct 10, 20268 min read
AndroidGoogle Play's Mandatory AI Labeling and Asset Declaration: What Developers Must Disclose in 2026
Google Play Console now mandates AI asset declarations for store graphics and in-app reporting for generative features. Here is how to keep your app compliant.
Oct 10, 202610 min read
Cloud & DevOpsGoogle's Gemini Free Tier Just Got Cut — Here's Why Your App's AI Feature Shouldn't Care
Google cut Gemini's free tier to Flash-Lite today. Here's why a properly built AI feature on the Gemini API was never exposed to the change.
Oct 9, 20268 min read
Android DevelopmentMediaTek's Critical Modem Flaw and Android's October Patches: What Your App Can Actually Control
MediaTek's October 2026 modem flaw and Android's security bulletin landed the same week — here's what your app can and can't do about them.
Oct 8, 20267 min read
Cloud & DevOpsLocal AI PCs Just Had Their Moment — What On-Device AI Means for Your App's Architecture
Microsoft and NVIDIA's local AI PC launch lands as Android's on-device AI already runs on 140M phones. How to choose on-device AI vs cloud, feature by feature.
Oct 7, 20269 min read
AndroidHow Much Does It Cost to Make an Android App in 2026?
Android app development cost runs from a few thousand dollars for a simple app to over $100,000 for a complex one. Ranges by feature, team and region.
Oct 6, 202610 min read
AndroidHow to Publish an App on Google Play Store: Step-by-Step Guide (2026)
Publish an app on Google Play: open a US$25 developer account, finish the policy forms, upload a signed app bundle, run the required tests and submit.
Oct 6, 202612 min read
AndroidGoogle Play Privacy Policy and Data Safety Requirements: What Your App Needs
Google Play privacy policy requirements explained: when you need one, what it must say, the Data safety form field by field, and account deletion rules.
Oct 6, 202612 min read
AndroidApp Store Optimization (ASO) for Google Play: The Complete Beginner's Guide
App store optimization for Google Play explained: how search works, keyword research, title and description limits, visuals, ratings and a weekly routine.
Oct 6, 202610 min read
AndroidKotlin vs Flutter in 2026: Which Should You Choose for Your App?
Kotlin vs Flutter: native Android or one cross-platform codebase? Compare performance, cost, UI, hiring and maintenance, and see which fits your project.
Oct 6, 202610 min read
Web DevelopmentTypeScript 7.1's Beta Just Landed: The Compiler API Vue, Svelte, and Angular Needed
TypeScript 7.1's beta shipped today, restoring the Compiler API that TS 7.0's Go rewrite left out — here's what actually unblocks for tooling.
Oct 6, 20266 min read
Cloud & DevOpsThe Node.js Release Schedule Is Changing: One LTS a Year, Starting Now
Node.js 26 hits Active LTS on October 28, 2026 — the last release under the old model. Here's what the new Node.js release schedule changes for you.
Oct 5, 20268 min read
Web DevelopmentChrome's Two-Week Release Cycle: What It Means for Web Development Testing
Chrome's two-week release cycle doubled its update pace in 2026. Here's what it actually changes for web development QA and browser testing.
Oct 4, 20267 min read
Android DevelopmentGoogle Play Alternative Billing Fees: What the October Enforcement Deadline Actually Costs You
Google Play's alternative billing and external links programs began charging and reporting real fees this week. What Android developers actually owe.
Oct 3, 20268 min read
Android DevelopmentAndroid 18 Graphics Features: Mesh Gradients, Progressive Blur, and What to Plan For
Google's Android Dev Summit agenda teased Android 18 graphics features — mesh gradients and progressive blur. Here's what's already shippable today.
Oct 2, 20268 min read
Cloud & DevOpsThe MemTensor npm Worm: What It Means for AI Agent Supply Chain Security
A npm/PyPI worm hijacked an AI memory plugin via stolen CI tokens on Sept 23, 2026 — what it means for AI agent supply chain security.
Oct 1, 20268 min read
Android DevelopmentGoogle Play Usage-Based Billing: What the New Subscription Tools Mean for EdTech and AI Apps
Google Play's new usage-based billing, multi-seat subscription purchases, and cross-developer bundling reshape monetization for Android and EdTech apps.
Sep 30, 20267 min read
Cloud & DevOpsWhat the Cloudflare Containers Flaw Reveals About Multi-Tenant Container Security
Cloudflare's Containers disk flaw exposed leftover cross-tenant data. Here's what it means for multi-tenant container security and vetting platforms.
Sep 29, 20268 min read- Web Development
React Compiler in React 19: What It Actually Fixes (and What It Doesn't)
React Compiler hit its 1.0 release in October 2025. Here's what it actually memoizes in a React 19 app a year in, and what still needs manual work.
Sep 28, 20267 min read - Android Development
Predictive Back Gesture Migration: What Breaks When You Target API 36
Google Play requires targeting API 36 by August 31, 2026. Here's what the predictive back gesture actually breaks in existing apps, and how teams fix it.
Sep 27, 20267 min read - UI/UX Design
WCAG 2.2 Target Size and Focus Visibility: What Changed for Web Design
WCAG 2.2's target size and focus-visible rules quietly fail more sites than color contrast does. Here's what to fix before an audit finds it.
Sep 26, 20267 min read - Cloud & DevOps
ECS vs EKS: Choosing AWS Container Orchestration for a Small Engineering Team
ECS vs EKS rarely comes down to Kubernetes skill. For a small engineering team, cluster fees, ops overhead, and hiring reality decide it first.
Sep 25, 20267 min read - Android Development
Kotlin or Java? How We Pick the Language for a New Android Build
Google has picked its favorite, but that doesn't settle every project. Here's the actual decision process we run before writing the first Activity.
Nov 4, 20257 min read - EdTech & LMS
Choosing an LMS: A Grounded Checklist for Institutions Before They Sign
Buying an LMS locks your curriculum, grading and reporting workflows into one system for years. Here's how to evaluate it properly before you sign.
Oct 18, 20257 min read - Web Development
React or Next.js: Choosing the Right Foundation for Your Web Product
Next.js is built on React, not a rival to it — so the real question isn't which one to pick, it's whether you need what Next.js adds on top.
Sep 27, 20256 min read - Technical Writing
Writing API Docs Developers Actually Open Instead of Routing Around
Thorough documentation and useful documentation aren't the same thing. Here's what makes developers trust your docs instead of giving up and filing a ticket.
Aug 14, 20256 min read
Tell us what you're building.
Send the problem, not a polished brief. We'll tell you what it actually takes to ship it: stack, timeline and cost, before you commit to anything.