Mark TellezMark Tellez

Node.js: 10+ Years of Backend Expertise

I've been working with Node.js since its early days, leveraging JavaScript on the server side to build scalable, high-performance applications. My experience spans from simple API servers to complex microservice architectures, real-time applications, and serverless functions that power modern web and mobile experiences.

Technical Proficiency and Strategic Value

My Node.js expertise encompasses the entire ecosystem, including Express, Koa, Fastify, and other frameworks that enable rapid development of robust backend services. I've built systems that handle high traffic loads, process data in real-time, and integrate seamlessly with frontend applications built with React and other modern frameworks.

API Development

Building RESTful and GraphQL APIs that power web and mobile applications with clean, well-documented endpoints.

Real-time Applications

Developing WebSocket-based systems for chat, notifications, and live updates using Socket.io and native WebSockets.

Microservices

Designing and implementing scalable microservice architectures with effective inter-service communication patterns.

Node.js for Modern Applications

I've leveraged Node.js across diverse projects, from e-commerce platforms to content management systems and real-time collaboration tools. The event-driven, non-blocking I/O model of Node.js makes it particularly well-suited for applications that require high concurrency and responsiveness.

Advanced Node.js Capabilities

My experience extends to advanced Node.js features and patterns, including streams for efficient data processing, worker threads for CPU-intensive tasks, and native add-ons when performance demands require dropping down to C++. I'm also well-versed in the latest ECMAScript features and how to leverage them effectively in Node.js environments.

Performance Optimization

Identifying and resolving bottlenecks through profiling, caching strategies, and efficient algorithm design to ensure optimal application performance.

Serverless Architecture

Building and deploying serverless functions with AWS Lambda, Vercel, and other platforms to create scalable, cost-effective solutions.

Let's Build Your Next Node.js Application

Looking for a Node.js developer who can deliver clean, maintainable code that solves real business problems? I'm ready to help transform your requirements into robust, scalable applications that stand the test of time.