Custom React & Next.js Apps

What React Makes Possible

Interactive Product Experiences

Build interfaces that feel fast, fluid, and responsive: dashboards, portals, booking flows, product configurators, internal tools, SaaS apps, and customer-facing platforms.

Build interfaces that feel fast, fluid, and responsive: dashboards, portals, booking flows, product configurators, internal tools, SaaS apps, and customer-facing platforms.

Next.js Performance Architecture

Use the right rendering strategy for each page: static generation for speed, server rendering for dynamic data, streaming for perceived performance, and optimized assets for Core Web Vitals.

Use the right rendering strategy for each page: static generation for speed, server rendering for dynamic data, streaming for perceived performance, and optimized assets for Core Web Vitals.

SEO and AI Discoverability

React apps do not have to be invisible to crawlers. We structure semantic HTML, metadata, schema, canonical URLs, and server-rendered content so search engines and AI assistants can understand the site.

React apps do not have to be invisible to crawlers. We structure semantic HTML, metadata, schema, canonical URLs, and server-rendered content so search engines and AI assistants can understand the site.

Authentication and User Accounts

Support secure user journeys with sign-in, account areas, role-based permissions, admin views, protected routes, and clean session handling.

Support secure user journeys with sign-in, account areas, role-based permissions, admin views, protected routes, and clean session handling.

Payments and Commerce Logic

Integrate Stripe checkout, subscriptions, customer portals, webhook processing, invoices, one-time payments, or custom commerce workflows.

Integrate Stripe checkout, subscriptions, customer portals, webhook processing, invoices, one-time payments, or custom commerce workflows.

API Integrations and Automation

Connect your application to CRMs, booking platforms, inventory systems, email tools, analytics, AI services, and internal business systems.

Connect your application to CRMs, booking platforms, inventory systems, email tools, analytics, AI services, and internal business systems.

Built Around the Application, Not a Template

Next.js API Routes

Ideal for app-native endpoints, form handling, Stripe webhooks, lightweight automations, auth callbacks, and data mutations that belong close to the frontend.

Python Backend When Needed

For heavier business logic, AI pipelines, data processing, integrations, or long-running workflows, we can build a dedicated Python backend with FastAPI or Flask.

Cloud-Ready Data Layer

Pair the frontend with the right database and storage approach: DynamoDB, PostgreSQL, S3, third-party APIs, or a hybrid architecture based on the product requirements.

This Site Is a Case Study

ButeoSystems.com is built on the same Next.js stack we deliver for clients. Here is what you are looking at right now:

  • This page: Server-rendered at request time with geo-personalized copy via Next.js middleware — demonstrating SSR.
  • Home & service pages: Static generation at build time with ISR-friendly data fetching — demonstrating SSG patterns.
  • Booking & contact: Client-hydrated interactive forms and Cal.com integration backed by API routes and DynamoDB event logging.
  • AI assistant: Live AI chat widget powered by the Vercel AI SDK — demonstrating agentic workflow integration with booking and company-info tools on this site today.
  • SEO architecture: Per-page metadata, FAQ schema, Service schema, sitemap, and llms.txt — the same stack we deploy for clients.

Engineering clients trust us to ship

From scoping to launch, communication was clear and the engineering was solid. We got a production-ready app without cutting corners.

James Thornton

Founder, Eva Health Platforms

Frequently Asked Questions

When should I choose a Next.js app over WordPress?
Choose Next.js when you need maximum performance, custom interactivity, API integrations, authentication, or a product-style application. WordPress is ideal for content-heavy marketing sites; React/Next.js is ideal when your site is also a software product.
What is the difference between SSG and SSR in Next.js?
Static Site Generation (SSG) pre-renders pages at build time for near-instant load speeds — perfect for marketing pages and landing sites. Server-Side Rendering (SSR) generates HTML on each request — ideal for personalized content, dashboards, and live data feeds.
Can you build a React MVP without locking us into a rigid package?
Yes. React and Next.js are flexible enough to support everything from a focused MVP to a full product platform. We scope around the product requirements: user flows, data needs, authentication, integrations, payments, dashboards, and launch timeline.
Can you integrate payments, authentication, and dashboards?
Yes. We can build authenticated user experiences, admin dashboards, Stripe checkout flows, webhooks, subscription logic, customer portals, and role-based access patterns into a React and Next.js application.
Can a React app use a Python backend?
Yes. If the application requires heavier backend logic, AI workflows, data processing, or custom APIs, we can pair the React frontend with a Python backend using frameworks like FastAPI or Flask.
Where do you deploy Next.js applications?
We deploy to modern cloud platforms including Vercel, AWS, and Fly.io depending on your traffic, compliance, and integration requirements. Production builds can include CI/CD setup for seamless updates after launch.
How do you make React apps discoverable by AI search tools?
We use semantic HTML landmarks, per-page metadata, JSON-LD schema, server-rendered content for crawlers, and structured Q&A sections — the same practices we implement on this site to demonstrate what we deliver for clients.

Built With

Next.js 15React 19Tailwind CSSTypeScriptAWS