NodeJS & Express

Build Scalable, secure, and high-performance backend systems with TAS. Our Nodejs & Express developers specialize in REST APIs, microservices, real-time apps, and server-side logic — trusted by startups and enterprises to power robust digital platforms.

Secure, scalable, and API-driven backend architecture built with JavaScript’s most powerful server-side stack.


🧠 Fast, Flexible & Future-Proof Backend Engineering using NodeJS

Behind every great digital product is a powerful backend. At TAS, we specialize in building robust backend systems using Node.js and Express.js — enabling high-speed performance, seamless API integration, and real-time capabilities for modern web and mobile applications. Modern digital businesses thrive on speed, stability, and seamless integration — and that starts with the right backend. At TAS, we help you unlock backend performance and reliability with Node.js & Express — powering everything from APIs and dashboards to AI-driven automation and Web3 infrastructure.

Whether you’re launching a SaaS MVP or building a complex microservices backend with millions of users, our developers bring the skillset to build real-time, modular, and production-grade systems. We don’t just code APIs — we craft systems that are resilient, observable, and scalable by design.

backend development using NOdejs

Node.js is renowned for its non-blocking, event-driven architecture — making it perfect for applications that demand low latency, scalability, and efficiency. Combined with Express.js, we deliver modular, testable, and production-grade backend systems that power SaaS platforms, mobile apps, analytics tools, marketplaces, and blockchain interfaces.


🛠️ What We Build with Node.js & Express

  • ⚙️ RESTful APIs & Microservices Architecture
    Efficient, scalable services with full API documentation and versioning.

  • 🔐 Authentication & Role Management
    Secure user flows using JWT, OAuth, SSO, RBAC, and 2FA.

  • 🧩 Real-Time Systems
    WebSocket/Socket.IO implementations for chat, trading, dashboards, notifications.

  • 🧠 AI & ML-Driven Workflows
    Integration with AI engines, model triggers, and LLM APIs via Express middleware.

  • 📊 Data Processing Pipelines
    Async job queues (BullMQ, Redis), background workers, cron tasks, reporting.

  • 💬 API Gateway & Rate Limiting
    Load balancing, caching, throttling, and traffic shaping for enterprise-grade performance.

  • 🧪 Testing & Monitoring
    Unit tests, integration tests, performance benchmarks, and logging integrations with tools like Winston, Sentry, and Prometheus.


📦 Backend Use Cases We Excel At

  • SaaS API Platforms

  • Blockchain Indexers & Wallet APIs

  • Mobile App Backends

  • Trading & DeFi Automation Tools

  • Social Media Scheduling & Analytics

  • AI-Powered Chat & Voice Services

  • CRM, ERP, and Business Ops Systems


📈 Portfolio Examples Using Node.js & Express

🧠 Auro Digital – AI-Powered Multi-Chain DEX

Node.js powered backend handles real-time token price fetch, swap routing logic, LP farming analytics, and smart contract interaction across Solana, BSC, and Ethereum. Express serves the API layer to frontend and mobile apps.

🩺 Mariana AI – Multilingual Voice-to-EHR System

Custom backend in Node.js handles voice uploads, file processing, transcription routing, multilingual data formatting, and GPT-powered medical summarization. Used Express.js for session control, access layers, and custom admin APIs.

🌐 Mai Labs – Blockchain Management Platform

Node.js & Express backend manages project configurations, RWA asset details, token economics, and real-time dashboard sync with Kalp Layer 1 blockchain. Integrated MongoDB and role-based access control for internal studio teams.


✅ Why TAS for Node.js & Express Development?

  • 🧪 Over a decade of backend architecture experience

  • 🔁 Microservices-ready codebases with scalable folder structures

  • 🚀 Optimized for performance, concurrency, and rapid delivery

  • 🔐 Security-first coding practices for enterprise compliance

  • 💬 Seamless handoff to frontend/mobile/DevOps pipelines

  • ⚙️ CI/CD pipelines, staging environments, API docs by default


We know that backend systems are rarely “one-and-done” — they evolve with your business. That’s why we build Node.js architectures that are easy to extend, monitor, debug, and scale. Our code is modular, well-documented, and built with long-term maintainability in mind. Whether you’re launching v1 or migrating from legacy tech, our backend foundations ensure minimal tech debt and maximum agility for future growth.

💬 Ready for a Reliable Backend Partner?

At TAS, we don’t just write server-side code — we help design the backbone of your product. From real-time systems and AI-driven services to enterprise-ready APIs and secure admin portals, our Node.js & Express team delivers performance where it matters. Let’s architect a backend that can scale with your ambition.

👉 [Book a Free Backend Audit]