Hi, I'm

Matías Amuchástegui

Backend Developer & Infrastructure Architect

Building scalable systems, integrating AI, and crafting robust solutions. 10+ years turning complex problems into elegant code.

About Me

I'm a backend developer and infrastructure specialist based in Córdoba, Argentina, with over 10 years of experience building scalable systems for companies worldwide.

My expertise spans from low-level systems architecture to modern AI integrations. I thrive on solving complex technical challenges and turning them into maintainable, high-performance solutions.

When I'm not coding, you'll find me freeskating through the city streets or producing electronic music.

Languages

Spanish (Native) English (Fluent)

Skills & Technologies

Backend

Node.jsPythonGoPostgreSQLRedisGraphQL

Infrastructure

AWSDockerKubernetesTerraformCI/CDLinux

Frontend

ReactTypeScriptAstroTailwindCSSNext.js

AI & Tools

OpenAILangChainRAGGitAgileSystem Design
10+
years of professional experience

Experience

Building high-traffic systems for fintech and ad-tech companies.

Freelance logo

Freelance

Full-Stack Developer & Founder

2026 – Present

Córdoba, Argentina

Building innovative products and helping businesses scale. From AI-powered assistants to community platforms and e-commerce solutions.

Node.jsReactAI/LLMsGCPKubernetes
FusionAds logo

FusionAds

Staff Engineer

2024 – 2025

Remote, United States

Designed orchestration engine in TypeScript/Node.js for multi-channel ad campaigns. Implemented fan-out/fan-in workflows with AI integration. Deployed observability stack and mentored distributed team of 4 developers.

TypeScriptNode.jsAI/LLMsNew RelicGCP
Pomelo logo

Pomelo

Backend Developer

2022 – 2023

Buenos Aires, Argentina

Developed clearing processes & microservices using Hexagonal Architecture, DDD & Event Sourcing. Built AWS services in Go processing millions of daily events.

GoAWS LambdaDynamoDBEvent SourcingDDD
MercadoLibre logo

MercadoLibre

Backend Developer

2018 – 2021

Buenos Aires, Argentina

Developed scalable backend services for post-purchase features serving 200M+ users across LATAM with P95 < 150ms. Led technical analysis and cross-functional collaboration.

JavaMicroservicesHigh-scaleLATAM
Ayi & Asociados logo

Ayi & Asociados

Full-Stack Developer

2017 – 2018

Córdoba, Argentina

Developed core features for NaranjaX fintech platform. Built REST APIs with Node.js and frontend components with Angular. Worked on payment processing and user authentication systems.

Node.jsAngularPostgreSQL
Darwoft logo

Darwoft

Software Developer

2016 – 2017

Córdoba, Argentina

Built backend services for Finandino banking platform using C# .NET. Developed financial reporting modules and integrated with external banking APIs.

C# .NETAngularSQL Server
Brandigital logo

Brandigital

Web Developer

2015 – 2016

Córdoba, Argentina

Developed websites and web applications for major brands including Aguas Cordobesas, Coca Cola, Huggies, and Volkswagen. Built custom WordPress solutions and interactive campaigns.

PHPWordPressJavaScript

Featured Projects

A selection of projects that showcase my expertise in backend development, infrastructure, and AI integration.

Condamind

Condamind

AI-powered WhatsApp assistant built with advanced language models. Enables natural language interactions for business automation and customer support.

WhatsApp APIOpenAINode.jsPostgreSQL
Senda

Senda

A comprehensive personal productivity system designed for maximum efficiency. Integrates task management, knowledge base, and automation workflows.

ReactTypeScriptNotion APIAutomation
Micelaria

Micelaria

Full-stack platform for gourmet mushroom cultivation and distribution. Features e-commerce, inventory management, and customer portals.

E-commerceReactNode.jsStripe
Córdoba Rollea

Córdoba Rollea

Community platform for the freeskating scene in Córdoba. Connects skaters, organizes events, and maps the best urban skating routes.

CommunityMaps APIReactEvents

Beyond Code

Life is more than just code

Freeskate

Co-founder of Córdoba Rollea, building community through urban skating. There's something meditative about flowing through city streets.

Córdoba Rollea

Electronic Music

Producing beats and exploring sound design. Music production shares more with coding than you might think—both are about patterns, structure, and creativity.

SoundCloud

Let's Connect

Have a project in mind? I'd love to hear about it.

Email me directly

hello@matiasamuchastegui.com

Or find me on