Insights & Guides

Web Development & Automation Insights

Practical guides on web development, Flutter, n8n automation, and digital strategy. Real project insights from a senior-only agency.

117 articles

FeaturedReact
·16 min read

React Virtualization Guide: Windowing Large Lists and Grids with TanStack Virtual (and When Not To)

A practical 2026 guide to React virtualization with TanStack Virtual: build fast lists and grids, add infinite loading and sticky headers, profile measurable gains, and avoid common edge cases like dynamic row heights and accessibility pitfalls.

ReactPerformanceTanStack VirtualVirtualizationInfinite Scroll
Adrijan OmićevićRead Article
·14 min read

Next.js Supabase Realtime in 2026: End-to-End Blueprint for Chat, Presence, and Collaboration

Build production-ready realtime UI with Next.js App Router and Supabase Realtime: schema design, RLS, optimistic updates, presence, scaling, and troubleshooting duplicate events and permission mismatches.

Next.jsSupabaseRealtimePostgreSQLRLSWebSocketsApp RouterChatPresence
Adrijan OmićevićRead Article
·15 min read

Next.js Authorization in the App Router: RBAC vs ABAC with Middleware, RLS, and Policy Patterns

A practical guide to Next.js authorization in the App Router using RBAC and ABAC — with middleware checks, server component guards, database-enforced RLS, decision matrix, and copy-paste policy patterns.

Next.jsAuthorizationSecurityRBACABACSupabasePostgreSQLApp Router
Adrijan OmićevićRead Article
·16 min read

From MVP to V1: A Roadmap for Scaling Product, Team, and Tech (Next.js + Flutter)

A practical MVP to V1 roadmap for the next 90–180 days: refactoring strategy, analytics, reliability, security, prioritization, and a framework for deciding what to rebuild, automate, and hire versus outsource.

MVPProduct StrategyNext.jsFlutterScalingAnalyticsSecurityDevOps
Adrijan OmićevićRead Article
·13 min read

The Maintenance Checklist After Launch: Web, Mobile, and Automation Systems That Don’t Rot

A practical web app maintenance checklist with weekly, monthly, and quarterly routines for security, dependencies, monitoring, backups, and automation health.

web app maintenance checklistmaintenanceDevOpssecurityn8nSLA
Adrijan OmićevićRead Article
·15 min read

GDPR-Friendly Automation with n8n: Audit Trails, Data Retention, and Secure Integrations

A practical 2026 guide to n8n GDPR compliance: design workflows that minimize personal data exposure, support deletion requests, and keep auditable logs with secure credentials, redacted logging, and retention policies.

n8nGDPRAutomationSecurityComplianceDevOps
Adrijan OmićevićRead Article
·16 min read

n8n Cost Optimization: Self-Hosting, Performance Tuning, and Scaling Without Surprises

A practical 2026 guide to n8n cost optimization: understand the real cost drivers, tune Postgres and queue mode, size workers predictably, and decide when to move from single-node to a distributed setup.

n8nAutomationSelf-HostingDevOpsPostgreSQLScalingCost Optimization
Adrijan OmićevićRead Article
·15 min read

Flutter App Security Hardening: SSL Pinning, Root and Jailbreak Detection, and Secure Storage (2026 Guide)

A practical guide to Flutter app security hardening with a threat-model checklist, secure storage patterns, SSL pinning tradeoffs, runtime integrity checks, and safe auth token handling.

FlutterMobile SecuritySSL PinningSecure StorageOWASP MASVSAuthentication
Adrijan OmićevićRead Article
·13 min read

Flutter Background Tasks: Scheduling, Reliability, and Platform Constraints (iOS + Android) in 2026

A practical guide to Flutter background tasks scheduling: platform limits on iOS and Android, reliability trade-offs, and when to use workmanager, background_fetch, or native code for sync, notifications, and battery-friendly scheduling.

FlutterMobile DevelopmentAndroidiOSBackground TasksSchedulingSync
Adrijan OmićevićRead Article
·14 min read

React Testing Strategy in 2026: Vitest + React Testing Library + MSW for Confident Releases

A pragmatic React testing strategy for 2026 using Vitest, React Testing Library, and MSW. Learn a realistic test pyramid, reduce flakiness, and ship confidently with CI-ready patterns.

ReactTestingVitestReact Testing LibraryMSWCI/CDQuality Assurance
Adrijan OmićevićRead Article
·13 min read

Modern React Frontend Architecture: Feature-Based Modules, Boundaries, and Scalability

A practical guide to React frontend architecture feature-based modules: clear boundaries, shared layers, dependency rules, and a maintainable folder strategy for React and Next.js.

ReactNext.jsFrontend ArchitectureScalabilityCode OrganizationTesting
Adrijan OmićevićRead Article
·16 min read

Observability for Next.js App Router in 2026: Sentry, OpenTelemetry, Traces, and Actionable Alerts

End-to-end setup for Next.js logging, monitoring, and tracing with Sentry and OpenTelemetry across Server Actions, Route Handlers, and Edge versus Node runtimes—plus dashboards, alert thresholds, and session-to-trace correlation.

Next.jsObservabilitySentryOpenTelemetryLoggingTracingMonitoring
Adrijan OmićevićRead Article