⚛️ Modern React + Next.js + TypeScript · App Router · RSC
Capability · React.js & Next.js Development
React & Next.js Builds for the Modern Stack Era.
App Router by default. React Server Components, streaming, partial pre-rendering, edge middleware. TypeScript end-to-end. AI-integrated UIs powered by the four production AI products we operate. Built by a 160+ engineer bench led by AddWeb’s Full Stack Director.
4.9 Clutch · 74+ Verified Reviews
G2 Recognized 2026
ISO 9001 & 27001 Certified

US-Registered
Why This Page Reads Different in 2026
The Modern React Stack Has Moved On. Most Agencies Have Not.
The 2026 React ecosystem rewards depth App Router, React Server Components, streaming, partial pre-rendering, edge middleware. Generic React shops still default to client-side rendering and miss most of the gains. We build for the modern stack because that is what our own AI products run on.
Pattern 01
App Router by Default
Next.js App Router for new builds. Server components as the default, client components pushed down the tree only where interactivity demands. Pages Router only when migration risk justifies it.
Pattern 02
React Server Components
RSC for data-heavy views no client-side JavaScript needed for content that does not interact. Smaller bundles, faster first paint, better Core Web Vitals.
Pattern 03
Streaming + Suspense
Suspense boundaries that stream above-the-fold content first, then progressively reveal the rest. The user sees something fast; the agency-default spinner stays in the past.
Pattern 04
Partial Pre-Rendering
Where Next.js supports it, static shells with dynamic holes the fastest path to the best of static and dynamic rendering for marketing and commerce pages.
Pattern 05
Edge Middleware
Auth checks, A/B routing, geo-aware redirects, and personalization at the edge milliseconds of latency, not seconds. Useful where it earns its complexity; skipped where it doesn’t.
Pattern 06
TypeScript Strict Mode
Strict TypeScript end-to-end. Zod schemas for runtime validation. Inferred types for DX. The compile-time safety is non-negotiable in 2026 React.
React Production Proof
Four AI Products. Four React Frontends We Operate.
Most React agencies pitch case studies they delivered years ago. We point at four products with React or Next.js frontends we built, ship into production every week, and operate ourselves. The modern React patterns we apply to your build are the ones we have already battle-tested in our own portfolio.
React UI · LLM Platform
AddWeb AI
Customizable AI platform for business workflow automation. Streaming LLM chat UI, agentic workflows, RAG search.
Web UI · Open-Source ML
La Liga Score Predictor
48-signal CatBoost predictor with a web frontend presenting model output. Open-sourced on Hugging Face and Kaggle.
React UI · eCommerce AI
EcomSupport360
AI-powered eCommerce automation dashboard. React frontend for support agents, store managers, and merchandisers.
React UI · AI Hosting
WeWP
AI-driven WordPress hosting control panel. React-based admin UI for sites, scaling rules, anomaly alerts, performance tuning.
Why this matters: When you engage AddWeb for React or Next.js work, you are working with engineers who ship and operate production React UIs every week. The patterns are battle-tested. The bench knows what breaks. The discipline is the same.
Outcomes, Not Output
React & Next.js Engagements That Shipped Real Wins
Three recent React engagements with measurable outcomes. (Placeholder figures to be confirmed with client logos by AddWeb’s marketing team before publication.)
SaaS · App Router Migration
62%
LCP improvement after RSC + App Router rebuild.
Migrated a B2B SaaS frontend from Pages Router + client-side React to App Router with server components. Bundle size cut nearly in half. Lighthouse mobile performance moved from yellow to green.
Headless Commerce · WooCommerce
3.2×
Storefront speed vs the previous Shopify Liquid theme.
Next.js headless storefront on WooCommerce with Stripe checkout, ISR for category pages, edge middleware for geo-pricing. Built as an Automattic-verified WooCommerce Pro Partner project.
AI Dashboard · Industrial
Live
Multi-plant AI dashboard with real-time CCTV + alerting.
Next.js + TypeScript dashboard rendering live CCTV streams with AI overlay, role-based access, plant-level KPI rollups, and SMS/Email/WhatsApp alerting. Built for an industrial AI deployment.
The Decision Most Teams Get Wrong
App Router or Pages Router? Honest Decision Matrix.
App Router is the default direction for new Next.js builds in 2026 that is the official Vercel position and the one we apply. Pages Router remains supported and runs in production at thousands of companies, but it is no longer where Next.js is evolving. Here is how we decide and how we document the decision in writing during discovery.
Decision Factor
Choose App Router
Choose Pages Router
We publish this decision in an architecture decision record during discovery so future hires understand the tradeoffs we accepted on your behalf.
What We Build with React & Next.js
Eight React Engagements We Ship Every Month
Not a “we do everything” list. These are the engagement types where we have shipped, scaled, and earned the 98% retention rate.
Next.js Applications
App Router-first builds with RSC, streaming, ISR, and edge middleware. TypeScript end-to-end. SEO, observability, and Core Web Vitals from day one.
React SPAs & Internal Tools
Vite-powered single-page apps for internal dashboards, admin panels, and B2B tools where SSR is not the win. TanStack Query for data, Zustand for state.
TypeScript Migration
Structured JS → TS migration with incremental adoption, type generation from API schemas, strict mode rollout, and CI guards on coverage regression.
Headless Commerce
Next.js storefronts on WooCommerce (Automattic-verified Pro Partner), Shopify Hydrogen, BigCommerce, or commercetools. Stripe + Sanity/Contentful integration.
React Native Mobile
Cross-platform iOS + Android via React Native when feature mix and velocity benefits justify it. Native escape hatches where the product demands.
Performance Optimization
Core Web Vitals remediation engagements: LCP, INP, CLS audits with measured baselines, bundle analysis, hydration cost reduction, image and font optimization.
Design Systems
Component libraries on Radix, shadcn/ui, or fully custom. Storybook, visual regression with Chromatic, accessibility built in (WCAG 2.2 AA target).
AI-Integrated React UIs
Streaming LLM chat, agentic interfaces, RAG search, AI document workflows, real-time AI dashboards patterns proven across our four AI products.
The Stack We Ship
What’s Actually in Production on Our React Builds
No mystery dependencies. No “we’ll figure it out later.” Here is the typical 2026 React stack we deploy picked for product fit and your team’s ability to maintain it post-engagement.
Core Framework
React 18 / 19
Next.js (App Router)
TypeScript (strict)
React Native
Vite
Astro (content-heavy)
State & Data
TanStack Query
Zustand
Jotai
Redux Toolkit
SWR
Server Actions
Forms & Validation
React Hook Form
Zod
Yup
Valibot
Styling & UI
Tailwind CSS
shadcn/ui
Radix UI
CSS Modules
CSS-in-JS (where warranted)
Testing
Vitest
Jest
React Testing Library
Playwright
Storybook
Chromatic
AI Integration
Vercel AI SDK
LangChain
OpenAI / Anthropic SDKs
Streaming responses
Server-Sent Events
Hosting & Infra
Vercel
AWS Amplify
Cloudflare Pages
Self-hosted Node + Docker
The Honest Comparison
Why CTOs Pick AddWeb Over the Alternatives
Most React shortlists narrow to four options. Here is the unvarnished comparison.
What CTOs Care About
AddWeb (Modern React + AI)
React Boutique
Generic Offshore
Freelance Team
The AddWeb Six
Six Commitments That Define How We Work
Most agencies sell you a service. We sell you an outcome. These six commitments are how every React engagement is structured, measured, and audited internally.
Every build starts with a product and architecture review — not a framework pitch. We map the use case, scale path, and integrations before we touch code.
Scope is locked in writing. Estimates are line-itemed. Burndown is published weekly. No padded contingencies, no surprise invoices.
Named tech lead, named Practice Lead (Ravi), never a rotating bench. Direct Slack reachability. 98% retention says it works.
Four AI products in production. G2-recognized. ISO 9001 + 27001 certified. 4.9 Clutch from 74+ verified reviews. Credentials, not claims.
Live access to codebase, test coverage report, Lighthouse scores, and Linear or Jira from day one. If we’re behind, you’ll know before we tell you.
Every architecture choice reviewed for AI-readiness, scale durability, and 3-year maintainability. We build for the React you’ll need next year, not the React from 2022.
The Adjacent Capabilities
Everything Your React Engagement Will Connect To
A React engagement rarely lives alone. Here are the related AddWeb capabilities your engagement will pull in when relevant.
Parent Service
AI Solutions Ecosystem
Sibling Stack Capabilities
Cloud & Infrastructure
How a React Engagement Starts
From Strategy Call to Production in Five Stages
We publish our methodology.
01
Strategy Call
30 minutes with Ravi or a senior React engineer. You leave with a written technical perspective on your build, whether or not you hire us.
02
Discovery Sprint
1-2 week paid discovery. Architecture diagram, App Router vs Pages decision, AI integration plan, line-itemed estimate, fixed timeline.
03
Build & Review
Two-week sprints. Daily standups. Live codebase access. PR reviews against our published engineering standard. Staging deploy from sprint one.
04
Performance & A11y
Lighthouse and Core Web Vitals as ship gates. Axe and Pa11y for accessibility. Visual regression with Chromatic. SEO audit before production.
05
Launch & Iterate
Zero-downtime cutover. 30-day hypercare. Most clients retain a dedicated team or capability retainer post-launch for ongoing work.
Practice Lead’s Stance
Why You Get a Practice Lead, Not a Salesperson
Ravi leads AddWeb’s full-stack engineering bench the delivery muscle across React, Next.js, TypeScript, and React Native. He is the named authority across the four AI products AddWeb operates, each with a React or Next.js frontend.
For every React engagement, you get senior engineers backed by his direct review and architecture oversight not a rotating consultant.
“Most React agencies still ship client-side rendering by default and call it modern. We build with the App Router, server components, and streaming because that’s what our own AI products run on and because the buyer’s bar in 2026 is higher than it was even a year ago. The patterns are battle-tested. The bench knows what breaks. The discipline is the same whether we’re shipping for AddWeb’s products or yours.“
Ravi Maniyar
Full Stack Director, AddWeb Solution · React Practice Lead
Verified On Every Major Review Platform
Trust Earned, Not Claimed
4.9 Clutch from 74+ verified reviews. G2 recognized 2026. Automattic-verified WooCommerce Pro Partner. Verified across GoodFirms, Trustpilot, DesignRush, Glassdoor, and Google.
Questions CTOs Ask Before Engaging
React.js & Next.js Development FAQ
Straight answers, not sales pitches. If your question isn’t here, the strategy call is the fastest way to get a written response.
Both. We default to Next.js with the App Router for new builds because it gives you server components, streaming, partial pre-rendering, and edge middleware out of the box the same patterns the modern 2026 React stack has standardized on. We use plain React (Vite or Create React App replacements) when the product is an internal tool, embedded widget, or you have a specific reason to avoid SSR. The decision is documented in an architecture decision record during discovery so your future hires understand the tradeoffs we accepted on your behalf.
Yes. We ship TypeScript by default on every React and Next.js engagement — strict mode, end-to-end types from API to UI, and inferred types where possible. JavaScript-only builds are available on request but rarely advised. The 2026 React ecosystem (App Router, RSC, modern data fetching libraries, server actions) is designed around TypeScript and many of its safety properties depend on type information. For legacy JavaScript codebases we offer a structured TypeScript migration.
Yes — this is where most generic React agencies still default to client-side rendering and miss most of the performance gains Next.js enables. We architect with the App Router’s server components by default, push client components down the tree only where interactivity demands, use streaming and Suspense boundaries to ship above-the-fold content first, and apply partial pre-rendering and edge middleware where they unlock real wins. The patterns come from operating four AI products of our own in production, not from conference talks.
Yes — Core Web Vitals remediation is one of our most common React engagements. We start with a measured baseline (LCP, INP, CLS) and a bundle analysis, then ship a prioritized remediation plan: code splitting, route-level lazy loading, image and font optimization, hydration cost reduction, server component migration where helpful, and third-party script audit. Most clients see meaningful LCP and INP improvements within 4 to 8 weeks of engagement. We do not promise specific score deltas in advance — we measure first.
Yes — this is core to our practice. We operate four AI products of our own (AddWeb AI for LLM workflows, La Liga Score Predictor on Hugging Face and Kaggle, EcomSupport360 for eCommerce AI, WeWP for AI-driven WordPress hosting) — every one of them has a React or Next.js frontend that we built and maintain. The patterns we apply to AI-powered client UIs — streaming LLM responses, agentic chat interfaces, RAG search UIs, real-time AI dashboards — come from operating production AI in our own products, not from copying a blog post.
Yes. We ship React Native for cross-platform mobile when the product team’s velocity benefits from shared engineering across web and mobile, and the platform features map cleanly to RN libraries. We use native iOS or Android directly when the product depends on platform-specific capabilities (deep camera integration, AR, complex offline sync). The decision is made in discovery, not assumed. See our dedicated React Native page for the full mobile capability.
Yes. We build headless commerce frontends on Next.js paired with WooCommerce, Shopify (Hydrogen or Storefront API), BigCommerce, or commercetools. As an Automattic-verified WooCommerce Pro Partner, our headless WooCommerce builds connect a Next.js storefront to WordPress-managed catalog and checkout, often paired with Stripe and a Sanity or Contentful CMS layer. The headless model wins when the brand needs storefront performance and design freedom that traditional themes do not allow.
State: Zustand or Jotai for lightweight global state, Redux Toolkit for complex enterprise flows, React Context for narrow scopes. Data fetching: TanStack Query (formerly React Query) for client-side, server components or server actions for server-side. Forms: React Hook Form with Zod schema validation. Testing: Vitest or Jest for unit, React Testing Library for component, Playwright for end-to-end. We pick the tool that fits your product and your team’s ability to maintain it post-engagement.
Greenfield product builds run 8 to 16 weeks depending on scope. Performance optimization engagements run 4 to 8 weeks. TypeScript migrations run 6 to 12 weeks for typical codebases. Headless commerce builds run 10 to 14 weeks. Dedicated team engagements run on 4-week minimums with month-to-month renewal after the first quarter. We commit to a written timeline after a 1 to 2-week paid discovery and publish a weekly burndown so you and your stakeholders always know what’s at risk.
Greenfield Next.js + TypeScript builds typically run $25,000 to $90,000 for an 8 to 16-week scope. Performance optimization engagements run $12,000 to $35,000 depending on baseline. TypeScript migrations run $20,000 to $60,000 depending on codebase size. Dedicated team engagements start at roughly $8,000 to $14,000 per engineer per month for senior and mid-level engineers. We provide a written, line-itemed estimate within 48 hours of a scoping call — no boilerplate ranges, no padded contingencies.
We use Next.js Metadata API for per-route meta titles, descriptions, OG, and Twitter cards, programmatic sitemap and robots generation, structured data (JSON-LD) per page type, App Router’s server-rendered HTML for crawler-readable content, hreflang for multi-region targeting, and proper canonical handling. We measure with Search Console, monitor Core Web Vitals as a ranking factor, and run pre-launch SEO QA against a published checklist. Headless commerce projects get extra attention to product schema and breadcrumb markup.
Yes — one of our most common engagements. We start with a 1 to 2-week code and architecture audit, deliver a written takeover plan with risk ratings (dependency debt, test coverage, performance, security, type safety), and quote a recovery roadmap. We have inherited React codebases from prior agencies, freelance teams, in-house engineers who left, and offshore vendors who underdelivered. Most takeover engagements ship a refactored production version within 8 to 12 weeks.
Ravi Maniyar, Full Stack Director at AddWeb Solution, leads the frontend engineering practice across React, Next.js, TypeScript, and React Native. He is the named lead on AddWeb’s React work and the practice authority across the four AI products AddWeb operates (each with a React or Next.js frontend). For your engagement, you get a senior or mid-level engineer (never juniors as primary builders) plus tech lead, with Ravi as escalation and architecture reviewer. The bench has 160+ engineers org-wide for surge capacity and specialized stack work.
Four ways. First, see the four AI products AddWeb operates in production (AddWeb AI, La Liga Score Predictor, EcomSupport360, WeWP) — all with React or Next.js frontends we built and maintain. Second, read our 74+ verified Clutch reviews and G2 recognition (Best Mobile App Development Companies 2026). Third, see our DesignRush #1 Greenville ranking and Automattic-verified WooCommerce Pro Partner status. Fourth, book a 30-minute strategy call directly with Ravi — not a salesperson. You leave with a written technical perspective on your React or Next.js plans whether or not you hire us.
Your Competitors Are Moving
We Make Sure You Move First.
Book a 30-minute strategy call with Ravi or a senior React engineer. Walk away with a written technical perspective on your build whether or not you hire us.
