Hire Next.js & React.js Developers

Build lightning-fast, SEO-friendly web applications with our expert Next.js and React.js developers. CognyX AI delivers modern front-end solutions that delight users and drive business results.

Book a Free ConsultationWhatsApp Us

Why hire Next.js & React.js developers from CognyX AI

Hire Next and React js developers

Proven expertise

Our developers have years of experience building React and Next.js apps — from landing pages to large enterprise dashboards.

SEO-friendly architectures

We leverage SSR and SSG to pre-render HTML, improving crawlability, time-to-first-byte, and search engine visibility.

Modern UI design

Responsive, accessible user interfaces using component architecture, state management and design systems.

Integration ready

We connect front ends to REST/GraphQL APIs, headless CMS platforms and third-party services.

Flexible engagement

Choose dedicated developers, project teams, or short-term consulting. We can ramp up quickly and scale as needed.

Security & quality

Code reviews, automated testing, and secure coding standards ensure robustness and maintainability.

What we build

Modern web applications with Next.js and React.js

  • Server-side rendering (SSR) and static generation (SSG) to deliver pre-rendered HTML for speed and SEO.
  • Custom UI components built with React hooks, context API, and state libraries (Redux, Zustand).
  • Routing & navigation via Next.js file-based routing with dynamic and nested routes.
  • Data fetching patterns (REST, GraphQL), auth, caching, and optimistic updates.
  • PWA features including offline support, push notifications and home-screen install.
  • Testing & performance: Jest, React Testing Library, lazy-loading, code-splitting and bundle optimisation.

    • Front-end migration and modernization

  • Migrate legacy apps (jQuery, AngularJS, PHP) to React/Next.js for performance and maintainability.
  • Replatform SPAs to SSR/SSG to improve SEO and first-load user experience.
  • Design system creation and component libraries to ensure consistency.

    • UI/UX design & collaboration

  • Prototyping and wireframing to translate designs into production-ready React components.
  • Accessibility (WCAG) and i18n/internationalization support for multi-language apps.

    • Front-end migration and modernization

    Legacy system upgrade

    Migrate older frameworks to modern React & Next.js stacks.

    Replatforming

    Move SPAs to SSR/SSG architectures to boost SEO and performance.

    Design system creation

    Create component libraries and style guides for consistency.

    UI/UX design & collaboration

    Prototyping & wireframing

    Translate wireframes into high-fidelity React components.

    Accessibility

    Follow WCAG guidelines to support assistive technology users.

    Localization

    Integrate i18n frameworks for multi-language support.

    Industries we serve

    E-commerce & retail

  • Dynamic product catalogues, personalized recommendations and headless commerce integrations.

    • Healthcare

  • Patient portals, appointment booking and telemedicine dashboards with secure auth.

    • Fintech

  • Real-time dashboards, KYC flows, and secure user portals with integrated payments.

    • Education

  • Learning platforms, interactive course systems and collaborative tools.

    • Media & entertainment

  • Streaming platforms, digital magazines and interactive storytelling experiences.

    • Travel & hospitality

  • Booking engines, itinerary planners and customer support dashboards.

    • Recent wins

    E-commerce platform revamp

    Migrated a legacy online store to Next.js — reduced load times by 60% and increased organic traffic within three months.

    Fintech dashboard

    Built a React dashboard that integrates multiple APIs, enabling real-time insights and reducing page reloads by 40%.

    Media portal

    Delivered a streaming website using Next.js SSG/dynamic routing that supported thousands of concurrent users with no downtime.

    Our process

    Discovery & requirements

  • We discuss business goals, technical requirements, and timeline to define success metrics.

    • Proposed solution

  • We recommend architectures, team size, milestones and estimated timelines and costs.

    • Developer selection

  • Review curated profiles, interview candidates, and approve the team that matches your needs.

    • Kickoff & onboarding

  • Set up communication channels, repos, CI/CD pipelines and sprint cadences.

    • Development sprints

  • Agile sprints with demos, feedback loops and iterative delivery.

    • Testing & QA

  • Manual and automated tests, performance profiling and accessibility checks.

    • Launch & support

  • Deploy to production, monitor performance and provide ongoing maintenance and enhancements.

    • Tech stack

    Languages

    JavaScript
    TypeScript

    Frameworks & Libraries

    React.js
    Next.js
    Redux
    Zustand
    Apollo Client
    React Query

    Styling

    Tailwind CSS
    Material UI
    Styled Components
    Sass
    CSS Modules

    Testing

    Jest
    React Testing Library
    Cypress
    Storybook

    Build & Deployment

    Vercel
    Netlify
    AWS Amplify
    Docker

    CI/CD & Monitoring

    GitHub Actions
    GitLab CI
    Jenkins
    Sentry
    LogRocket

    Pricing & Engagement Models

    ModelDescription
    Dedicated developersHire a single developer or a team monthly — best for long-term projects.
    Project-basedFixed scope and timeline — ideal for well-defined deliverables.
    Flexible bucketPurchase a block of developer hours to use on demand for smaller tasks.

    FAQ

    Related Links: Next.js & React.js Developers | Full Stack Developers

    Related Services: AI Development Services | Chatbot Development

    Related Blog: Web Design | Language Model | Future of AI

    How may I help you?