The BNinc blog.
Practical guides on building production software — mobile apps, AI integration, web architecture, and cross-platform development.
30
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React Native New Architecture — What Fabric and JSI Mean for Your App
A practical breakdown of Fabric and JSI, what actually changed in React Native's new architecture, and what it means for your production app performance.
App Store Optimization in 2025 — What Actually Moves the Needle
A direct look at which ASO tactics produce real download growth and which ones waste your time. Keyword strategy, screenshots, ratings, and algorithm mechanics.
Push Notifications in React Native — Architecture for iOS and Android
How to implement push notifications in React Native correctly — Expo push service, APNs, FCM, channels, background handling, and notification permissions.
Building Offline-First React Native Apps — Storage, Sync, and Conflict Resolution
How to architect a React Native app that works without a network connection — local storage, background sync, optimistic updates, and conflict resolution strategies.
React Native Testing Strategy — Unit, Component, and E2E with Detox
A practical testing pyramid for React Native apps — what to test at each layer, how to structure Jest and RNTL tests, and running E2E with Detox in CI.
Deep Linking in React Native — Universal Links, App Schemes, and Expo Router
A complete guide to deep linking in React Native — configuring universal links on iOS, app links on Android, handling cold starts, and routing with Expo Router.
Mobile App Security — Protecting User Data on iOS and Android
Practical security measures for production React Native apps — secure storage, certificate pinning, jailbreak detection, code obfuscation, and API key protection.
Expo EAS — The Complete Build and Submission Workflow
A complete walkthrough of Expo EAS Build, EAS Submit, and EAS Update — build profiles, secrets management, CI integration, and submitting to the App Store and Play Store.
React Native vs Flutter — The Engineering Trade-offs in 2025
An honest comparison of React Native and Flutter from an engineering perspective — architecture, performance, ecosystem, hiring, and which to choose for your project.
Sharing Code Between React Native and Next.js in a Monorepo
How to set up a pnpm monorepo that shares business logic, types, API clients, and hooks between a React Native app and a Next.js web app without duplicating code.
Over-the-Air Updates with Expo EAS Update — When and How to Use Them
A practical guide to Expo EAS Update — update channels, rollout strategies, when OTA is appropriate, and how to avoid the common mistakes that break production apps.
Profiling React Native Apps — Finding and Fixing Performance Bottlenecks
How to diagnose performance problems in React Native apps using the React DevTools profiler, Flipper, and the performance monitor — and how to fix the most common issues.
Next.js Middleware — Authentication, Redirects, and Edge Logic
How to use Next.js Middleware for authentication guards, geo-based redirects, A/B testing, and request modification — with the constraints and gotchas of the Edge Runtime.
Database Connection Pooling in Serverless Next.js — Prisma, Drizzle, and Neon
Why connection pooling is critical in serverless Next.js, how each database option handles it differently, and the specific configuration that prevents connection exhaustion at scale.
TypeScript Strict Mode — Why Every Production Codebase Should Enable It
What TypeScript strict mode actually enables, why it catches real bugs, and how to incrementally migrate an existing codebase without stopping feature development.
WebSockets in Next.js — Real-Time Features Without a Separate Server
How to add real-time functionality to Next.js apps — comparing WebSockets, Server-Sent Events, and managed services like Pusher and Ably for different use cases.
Optimizing Core Web Vitals in Next.js — LCP, CLS, and INP
A systematic approach to improving Core Web Vitals in Next.js — fixing Largest Contentful Paint, eliminating Cumulative Layout Shift, and reducing Interaction to Next Paint.
Server Actions in Next.js — Replacing API Routes for Mutations
How Server Actions work in Next.js 15, when to use them instead of API routes, how to handle validation and errors, and how to implement optimistic updates with useOptimistic.
Building a Production Component Library with Tailwind CSS
How to build a scalable, consistent component library using Tailwind CSS — design tokens, component variants with CVA, accessible patterns, and dark mode.
Fine-Tuning vs RAG — Choosing the Right Approach for Your LLM Product
A direct comparison of fine-tuning and retrieval-augmented generation — when each approach is appropriate, the real costs, and the implementation trade-offs.
Building Production AI Chatbots with Tool Use and Function Calling
How to build reliable AI chatbots with tool use — defining tools, handling multi-turn conversations, streaming responses, error recovery, and conversation state management.
LLM Cost Optimization — Prompt Caching, Model Routing, and Semantic Caching
Practical strategies to reduce LLM API costs in production — Anthropic prompt caching, model routing by complexity, semantic response caching, and token reduction techniques.
Building Multi-Step AI Agents — Workflows, Tools, and State Management
How to architect multi-step AI agents that reliably complete complex tasks — the agent loop, tool orchestration, state management, error recovery, and human-in-the-loop checkpoints.
Evaluating LLM Outputs — Building a Regression-Proof AI Testing Pipeline
How to build a systematic LLM evaluation pipeline — golden datasets, LLM-as-judge scoring, promptfoo integration, regression tracking, and CI-gated prompt changes.
AI Safety in Production — Input Validation, Output Guardrails, and Audit Logging
Practical defensive layers for production AI systems — detecting prompt injection, validating outputs, implementing rate limits, and building the audit trail you'll need for compliance.
Integrating LLMs Into Production Products — A Practical Engineering Guide
How to embed GPT-4, Claude, and open-source models into your product reliably, cost-effectively, and safely. RAG, prompt caching, evaluation, and guardrails.
How AI Voice Agents Are Replacing Front-Desk Staff — And What That Means for Your Business
A practical look at AI voice agents, how they work, what problems they solve, and the real-world results businesses are seeing from deploying them.
Building Scalable Web Applications with Next.js — Architecture Decisions That Matter
A deep dive into the architectural patterns that separate Next.js apps that scale from ones that become unmaintainable. Server Components, data fetching, caching, and deployment.
How Cross-Platform Development Cuts Your App Budget by 40% Without Sacrificing Quality
A practical breakdown of where cross-platform development saves money, where it doesn't, and how to decide if it's right for your project.
The Complete Guide to React Native Mobile App Development in 2025
Everything you need to know about building production-ready iOS and Android apps with React Native — architecture, performance, testing, and App Store submission.
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