API contracts for React Native apps with Spring Boot
Define API contracts, errors, authentication, pagination and observability before building complex React Native screens.
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Technical articles in English, starting with mobile and API decisions.
This library is growing gradually. The first English articles focus on React Native, Spring Boot contracts and mobile architecture decisions that reduce rework before production.
Editorial library
Start with the pages that already have English technical depth.
Each article has its own canonical English URL and a Portuguese counterpart when the original context exists in the main portal.
Authenticated navigation in React Native: routes, roles and session state
Organize protected routes, profile-based access, token refresh and fallback screens before the app grows into a maze.
Read articleOffline sync in React Native: local data, queues and conflict rules
Plan offline behavior, sync queues, API contracts, idempotency and conflict rules before the app reaches the field.
Read articleMobile release and store readiness for React Native apps
Prepare Android and iOS releases with real testing, store metadata, privacy alignment, rollout criteria and post-release signals.
Read articleProduction observability for React Native apps
Organize crash context, release identity, API correlation, offline sync signals and post-release routines for production apps.
Read articleMobile analytics event taxonomy for React Native apps
Design analytics events, screen tracking, funnel outcomes, parameters and privacy rules before dashboards become business evidence.
Read articleTestFlight and Google Play testing for React Native apps
Validate release candidates, testers, feedback, crashes, analytics and rollout readiness before public mobile release.
Read articleReact Native corporate app architecture
Plan navigation, API contracts, authentication, environments, releases and support evidence before the first production app grows.
Read articleExpo development builds and EAS Build
Move a React Native app beyond prototype mode with controlled build profiles, native configuration and release evidence.
Read articleReact Native performance with FlatList and images
Improve mobile performance by controlling list rendering, image size, API payloads, render cycles and release checks.
Read articlePush notifications in corporate mobile apps
Design useful push notifications with permission timing, channels, routing, quiet periods and operational safeguards.
Read articleMobile authentication with token refresh
Design login, token refresh, secure storage, expired sessions and API recovery for React Native apps.
Read articlePhotos and attachments upload in React Native
Plan permissions, compression, API limits, retry behavior and clear feedback for file uploads in mobile apps.
Read articleReact Native permissions without friction
Request camera, notification and file permissions with context, denial handling, platform checks and release discipline.
Read articleMulti-step forms with drafts in React Native
Design long mobile forms with persisted drafts, resume behavior, validation, navigation safety and API feedback.
Read articleCritical-flow testing in React Native with Detox
Plan mobile tests around login, forms, navigation, API states and release risk instead of trying to automate everything at once.
Read articleReact Native accessibility with TalkBack and VoiceOver
Improve mobile flows with labels, roles, focus order, touch targets, contrast and practical accessibility checks for Android and iOS.
Read articleReact Native forms with React Hook Form and Zod
Structure mobile forms with schema validation, field errors, API feedback, drafts and maintainable form state.
Read articleTanStack Query in React Native: cache and mutations
Organize server state, cache keys, loading states, mutations, invalidation and offline-aware API behavior in mobile apps.
Read articleREST API validation errors: practical patterns
Design validation errors with clear status codes, field messages, problem details, traceability and frontend-friendly contracts.
Read articleSpring Boot request correlation logs
Use request IDs, structured logs, safe context and correlation practices to investigate APIs with less guesswork.
Read articleSlow Spring Boot API: how to investigate
Separate database, payload, external calls, code, network and container evidence before changing infrastructure.
Read articlePost-deploy checklist for VPS, Docker and Nginx
Validate DNS, proxy, containers, backend, forms, sitemap, ads, logs and rollback after deploying a small business system.
Read articleDNS, Cloudflare and email migration without breaking MX
Move a website to Cloudflare or a new VPS while preserving MX, SPF, DKIM, DMARC, mail host records and email clients.
Read articleSMTP contact forms: sender, Reply-To and deliverability
Configure website forms with authenticated SMTP, safe sender identity, Reply-To, timeouts, logs and deliverability checks.
Read articleTechnical documentation without blocking operations
Build useful documentation from recurring questions, deploy notes, API maps, ownership and operational evidence.
Read articleHow to document a legacy system: first steps
Map critical flows, integrations, data, deploy, risks and evidence before attempting a full rewrite.
Read articleTrusted sources for corporate AI
Choose reliable sources for corporate AI projects with documentation, ownership, review, evidence and human responsibility.
Read articleAI for small businesses without unnecessary risk
Use AI for support, documentation, analysis and internal productivity while controlling data, review and expectations.
Read articleReview AI-generated code before deploy
Review AI-generated code for architecture, security, tests, dependencies, observability and production behavior before deployment.
Read articleRAG for small business documents
Use retrieval-augmented generation with business documents by preparing sources, permissions, citations and feedback loops.
Read articleJava 25 LTS, Spring Boot and modern backend programming
Understand how Java LTS releases, Spring Boot, APIs, observability and incremental modernization fit into real backend decisions.
Read articleCloudflare, Nginx and Docker on a VPS
Understand how DNS, proxy, SSL, containers, ports and SPA routing fit together when several systems share a VPS.
Read articleAI in software development: productivity, risk and technical review
Use AI to accelerate software work without skipping architecture, security, testing, code review and business context.
Read articleSoftware security and dependency risk for small businesses
A practical security route for dependencies, secrets, updates, SBOM, access control and software supply-chain risk in small systems.
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