Tan Nguyen - Staff Software Engineer with 10+ years building high-scale, high-impact web and mobile products. Specialized in TypeScript (React & React Native), micro-frontends (Module Federation), performance, and developer productivity.https://ryenguyen.dev/https://ryenguyen.dev/blog/neovim-qmk-keyboard-first-workflow/https://ryenguyen.dev/blog/neovim-qmk-keyboard-first-workflow/A keyboard-first workflow isn’t about being faster—it’s about staying in flow. Here’s the stack (Neovim, QMK, terminal tools, browser keybindings, and a bit of OS glue) that steadily removed small interruptions from my day.Fri, 08 May 2026 00:00:00 GMTneovimqmktoolingergonomicsproductivityhttps://ryenguyen.dev/blog/micro-frontends-module-federation-shadow-dom/https://ryenguyen.dev/blog/micro-frontends-module-federation-shadow-dom/A pragmatic isolation model for micro-frontends: clean CSS/DOM boundaries with Shadow DOM, shared dependency strategy with Module Federation, common failure modes, and the platform guardrails that made it sustainable.Tue, 05 May 2026 00:00:00 GMTarchitecturemicro-frontendsmodule-federationplatformfrontendhttps://ryenguyen.dev/blog/cicd-for-micro-app-fleets-saving-time/https://ryenguyen.dev/blog/cicd-for-micro-app-fleets-saving-time/How we standardized pipelines for a micro-app fleet: aggressive (but safe) caching, parallelization, preview environments, and release guardrails-plus the metrics that proved we saved real engineering time.Thu, 30 Apr 2026 00:00:00 GMTcicdplatformdevopsmicro-frontendsfrontendhttps://ryenguyen.dev/blog/consolidating-portals-into-bizops-platform/https://ryenguyen.dev/blog/consolidating-portals-into-bizops-platform/A playbook for consolidating fragmented internal tools: how we sliced domains, migrated incrementally without stopping feature work, built shared foundations (design system + platform APIs), and kept stakeholders aligned.Thu, 30 Apr 2026 00:00:00 GMTplatformarchitecturefrontendproductleadershiphttps://ryenguyen.dev/blog/expo-react-native-multi-tenant-architecture/https://ryenguyen.dev/blog/expo-react-native-multi-tenant-architecture/A practical multi-tenant architecture for Expo + React Native: typed configuration, feature flags, tenant theming, module boundaries, EAS build/release pipelines, and how to keep one product logic across mobile and web.Thu, 30 Apr 2026 00:00:00 GMTreact-nativeexpoarchitecturemulti-tenantplatformhttps://ryenguyen.dev/blog/frontend-platform-rfcs-improved-dx/https://ryenguyen.dev/blog/frontend-platform-rfcs-improved-dx/How lightweight RFCs and decision records helped us ship better defaults-app templates, CI pipelines, and runtime validation boundaries - while keeping teams moving fast.Thu, 30 Apr 2026 00:00:00 GMTplatformdxprocesstypescriptfrontendhttps://ryenguyen.dev/blog/frontend-security-pii-masking-audit-logging-acl/https://ryenguyen.dev/blog/frontend-security-pii-masking-audit-logging-acl/Frontend security isn’t just hiding buttons. Here’s a threat-model-driven approach: role-based PII masking, leak-proof logs/analytics, explainable permission UX, and audit events you can trust.Thu, 30 Apr 2026 00:00:00 GMTsecurityfrontendprivacyplatformarchitecturehttps://ryenguyen.dev/blog/performance-as-product-feature-lighthouse-seo/https://ryenguyen.dev/blog/performance-as-product-feature-lighthouse-seo/Performance isn’t a cleanup task - it’s a product decision. Here’s the workflow we used to move Lighthouse into the ~95 range and improve real-world Core Web Vitals: budgets, profiling, hydration/JS cost, images, and indexing implications.Thu, 30 Apr 2026 00:00:00 GMTperformanceseoweblighthousefrontendhttps://ryenguyen.dev/blog/websocket-clients-under-load-ui-stability/https://ryenguyen.dev/blog/websocket-clients-under-load-ui-stability/Real-time UIs fail in predictable ways under load. Here’s the architecture that kept our app responsive: backpressure, buffering, rAF batching, state separation, reconnect/resume, and instrumentation.Thu, 30 Apr 2026 00:00:00 GMTperformancewebsocketsreactarchitecturefrontendhttps://ryenguyen.dev/blog/typescript-type-system-tricks/https://ryenguyen.dev/blog/typescript-type-system-tricks/Advanced TypeScript patterns I've learned from 8+ years in production - conditional types, template literals, and type-safe APIs that actually scale.Sun, 08 Mar 2026 00:00:00 GMTtypescriptfrontenddxhttps://ryenguyen.dev/blog/typescript-branded-types-runtime-safety/https://ryenguyen.dev/blog/typescript-branded-types-runtime-safety/Where static types end and runtime bugs begin: branded types, parsing at boundaries, safer API contracts, and an error taxonomy that holds up in large React/TypeScript codebases.Sun, 01 Mar 2026 00:00:00 GMTtypescriptreactruntime-safetyarchitecturefrontendhttps://ryenguyen.dev/blog/lessons-from-8-years-as-frontend-engineer/https://ryenguyen.dev/blog/lessons-from-8-years-as-frontend-engineer/Hard-earned wisdom from shipping products at Vietnamese startups and scale-ups. The things I wish someone told me when I started.Sun, 22 Feb 2026 00:00:00 GMTcareerfrontendlessonsengineeringhttps://ryenguyen.dev/blog/from-monolith-to-micro-frontends/https://ryenguyen.dev/blog/from-monolith-to-micro-frontends/A candid look at what it's really like to break a React monolith into micro-frontends - the wins, the regrets, and what I'd do differently next time.Sun, 15 Feb 2026 00:00:00 GMTarchitecturemicro-frontendsreactfrontendhttps://ryenguyen.dev/blog/hello-world/https://ryenguyen.dev/blog/hello-world/An introduction to my blog where I'll be sharing thoughts on web development, React, and software engineering.Sun, 01 Feb 2026 00:00:00 GMTannouncementpersonal