Matias Stefanutti

Software Engineer

mstefanutti24@gmail.com | +54 351 5552617 | Buenos Aires, Argentina | linkedin.com/in/matiasstefanutti

As a Software Engineer, I prioritize creating robust and valuable software, specializing in the development of scalable systems and AI agents. I have experience leading high-performance teams developing full-stack web applications and building projects with NodeJS, TypeScript, Go, Java, and React. I am committed to continual growth and embrace best practices such as TDD, CI/CD, Hexagonal architecture, and Agile methodologies. By actively leveraging AI-driven development tools to optimize my workflow, and integrating cutting-edge technologies like Generative AI, I thrive on challenges and am dedicated to fostering an environment of innovation and excellence.

Experience

Software Engineer, Mercado Libre01-2025 -> Present
  • · Lead a cross-functional team responsible for virtual assistants and GenAI agents in Customer Experience (CX), aligning system architecture and technical strategy to deliver high-quality user experiences.
  • · Design and develop autonomous AI agents utilizing GenAI tools to solve user problems and automate critical workflows, publishing them as reusable skills in the internal marketplace.
  • · Build resilient Model Context Protocol (MCP) servers in Go to power user-facing agent solutions and enhance automated problem resolution.
  • · Develop robust backend infrastructure using Go, applying Clean Architecture and SOLID principles with a focus on observability, SRE practices, and GraphQL/REST API integration.
  • · Develop LLM agents for CX, integrating data sources with a prompt-first approach to enable autonomous assistance, helping users troubleshoot and resolve issues efficiently.
Software Engineer, Viaplay Group06-2024 -> 09-2025
  • · Developed scalable serverless architectures on AWS Lambda, optimizing for efficiency and performance.
  • · Designed and maintained secure microservices in TypeScript and Node.js for reliable payment processing.
  • · Led cross-functional collaboration with product, design, and analytics teams to improve user activation flows.
  • · Automated deployments using Infrastructure as Code (IaC) to streamline release processes and enhance reliability.
  • · Ensured security and compliance with industry standards like PCI DSS for safeguarding payment data.
SSr Backend Developer, InnoIT Consulting02-2022 -> 06-2024
  • · Led the development of a serverless AWS-based configurator process using TypeScript and KV database.
  • · Contributed to global product recommendations, reducing costs and enhancing scalability
SSr Backend Developer, Settle Network02-2022 -> 03-2023
  • · Worked on a new project to create a fiat and crypto wallet, using JavaScript and TypeScript.
  • · Achieved goals of reducing infrastructure costs and learning about new crypto technologies in a startup environment.
Software Engineer Analyst, Mercado Libre05-2021 -> 02-2022
  • · Maintained CRM channels, including phone and messaging services, built with Java.
  • · Replaced a legacy monolith chat application with a microservices structure, primarily using Go.
Aeronautical Engineer, Previous Experience2012 -> 2020
  • · working in main players of industries like Siemens and Airbus
  • · Leading multidisciplinary team on differents sites
  • · Negotiations with customers and contractors

Education

Skills