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Skills

  • Back End Development
  • Database Design
  • Database Development
  • MongoDB
  • MySQL
  • PostgreSQL
  • Query Optimization
  • Software Development
  • SQL

Services

  • Backend Software Development

    $15/hr Starting at $500 Ongoing

    Dedicated Resource

    As a highly experienced backend developer, I specialize in building robust, scalable, and secure server-side applications tailored to your business needs. With over 8 years of hands-on experience in backend...

    Back End DevelopmentDatabase DesignDatabase DevelopmentMongoDBMySQL

About

I'm Mario, a passionate backend developer with a deep interest in building clean, efficient systems that solve real-world problems. Over the years, I’ve had the chance to work on a wide range of projects—from real-time data platforms to microservices handling thousands of requests per minute. What drives me is the satisfaction of creating something that works reliably, even when no one is watching.

My journey began with curiosity—tinkering with servers, scripting automations, and trying to figure out how things work under the hood. That curiosity evolved into a career focused on Node.js, MongoDB, Redis, Docker, and scalable system design. I take pride in writing code that's not just functional, but also readable, testable, and maintainable.

My values: I believe in transparency, responsibility, and long-term thinking. I’m not just here to write code—I care about the why behind every task and how it fits into the bigger picture. I thrive in environments where communication is open and collaboration is valued.

Outside of work, I enjoy hiking in nature, reading about system architecture, and occasionally diving into personal projects just for fun. I also have a soft spot for learning how different cultures solve problems through tech.

If you're looking for someone who treats your product like their own and communicates clearly and honestly, I’d love to connect.

Work Terms

I’m available Monday through Friday, from 9:00 AM to 6:00 PM (CET / GMT+2). Weekend availability can be arranged for urgent needs or by prior agreement.