Available for new projects

Omar Ferreiro
Senior Software Engineer

Building modern web applications and AI-powered solutions for agencies and tech companies.

Omar Ferreiro

Architecting with Precision.

I'm a senior software engineer with 12 years of experience building production web applications and backend systems.

I specialize in:

  • Full-stack development (Node.js, React, TypeScript)
  • Building scalable APIs and microservices
  • AI/LLM integration for real business problems
  • System architecture and performance optimization

I work with agencies as a white-label technical partner — delivering clean code and reliable solutions. Based in Melbourne, available globally.

What I Build

Delivering end-to-end solutions for complex challenges.

AI Integration & Automation

Build AI-powered features using OpenAI, Claude, and Gemini APIs. Custom chatbots, document processing, and workflow automation for real business applications.

Example Capabilities

  • AI chatbots for customer service
  • Document data extraction (receipts, invoices, forms)
  • Content generation and processing
  • AI-powered search and recommendations

Scalable Web Applications

Full-stack web platforms built with Node.js, React, and TypeScript. Modern architecture, clean code, and systems designed to grow with your business.

Example Capabilities

  • E-commerce and business applications
  • Real-time features and WebSocket integration
  • Admin dashboards and internal tools
  • API development and third-party integrations

Backend Systems & APIs

Design and build robust backend systems. RESTful APIs, microservices, database optimization, and infrastructure that handles real production traffic.

Example Capabilities

  • RESTful API development
  • SQL, MongoDB, Redis data architecture
  • Authentication and authorization systems
  • Performance optimization and monitoring

White-Label Development

Partner with agencies to deliver client projects. I work as your invisible technical resource. Clean code, on time, making you look good to your clients.

Example Capabilities

  • Custom business applications
  • MVP development for startups
  • Third-party integrations and APIs
  • Internal tools and admin panels

Tech Stack

Core Stack

JavaScriptTypeScriptNode.jsReactNext.jsNestJS

Data, Search & Realtime

PostgreSQLSQL ServerWebSocketsElasticsearchKafka

AI/LLM

OpenAI APIClaude APIGemini API

Also Proficient

.NET (C#)Angular/AngularJSPHP

My Process

A structured approach to delivering excellence.

1

Discovery

Understanding requirements, business goals, and technical constraints.

2

Architecture

Designing scalable systems, choosing the right stack, and planning database schemas.

3

Development

Writing clean, testable code with continuous integration and feedback loops.

4

Testing

Rigorous QA, automated testing, security audits, and performance tuning.

5

Deployment

Smooth rollout to production, monitoring setup, and post-launch support.

Ready to Work Together?

Currently accepting projects for Q1/Q2 2026

Response time: Within 24 hours