Hire MERN Stack Developer

Xynnity offers expert MERN Stack developers who craft high-performing, scalable, and modern web applications using MongoDB, Express.js, React.js, and Node.js. From building dynamic front-end experiences to architecting robust back-end APIs, our developers ensure seamless performance, security, and maintainability across the full stack.

Our team specializes in delivering end-to-end MERN solutions — whether you need to develop a new platform, scale an existing product, or modernize your tech stack. We transform your ideas into fast, responsive, and user-centric digital products.

Personalised Consultation on MERN

Our MERN consultation services help you shape your web application idea, select the right architecture, and plan seamless integration strategies. Get expert guidance from ideation to development for a faster, more efficient build.

Custom MERN Web App Development

We build custom web applications tailored to your business goals — combining the power of React.js for interactive UIs, Node.js and Express.js for scalable backends, and MongoDB for flexible data handling.

RESTful API Development

Our developers craft RESTful APIs that ensure fast, reliable, and secure communication between front-end and back-end systems. We design data-driven APIs optimized for scalability and performance.

Authentication & Authorization

Enhance your app’s security with robust user authentication and authorization systems. We implement advanced solutions such as JWT, OAuth, and custom role-based access control for secure data handling.

Real-time Applications with WebSockets

Deliver real-time user experiences using WebSockets and Socket.IO. From live chat to instant notifications and collaboration tools — we help you build apps that stay in sync with user activity.

Event-Driven Microservices

We architect event-driven microservices for distributed systems that ensure better scalability, maintainability, and independent deployment cycles — keeping your app agile and future-ready.

Our Pricing

At Xynnity, we believe in providing clear and flexible pricing options tailored to your business needs.

Part Time Hiring

  • Working Hours
  • 4 hours a day
  • 5 days a week
  • Total Monthly Hours: 80 Hours
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Full Time Hiring

  • Working Hours
  • 8 hours a day
  • 5 days a week
  • Total Monthly Hours: 160 Hours
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Hourly Hiring

  • Working Hours
  • Any Duration
  • Any Duration
  • Billing: Hourly Basis
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Benefits of Hiring

With the sole aim of letting our clients concentrate on their core business objectives, we partner with them for their development needs.
Total Control
Transparent Conduct
Scalable Team
Certified Developers
Agile Approach
Complete Control

Why Hire From us?

11+ Years of Experience
10+ Active Clients
Flexible Hiring Models
100% Strict NDA