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Diego Fagundez

Software Engineer

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01

About

I'm a Software Engineer who cares about clarity, reliability, and continuous improvement.

I've spent nine years in technology, with a longer foundation in software quality and the last four years focused on development. I work mainly with Node.js and event-driven architectures, and I'm actively growing in MongoDB and AWS.

At IOL (Invertir Online), I'm on the team building the app that lets Argentine residents invest internationally, with a path toward serving more people across Latin America.

Node.js TypeScript AWS MongoDB Event-driven Golang Python Microservices APIs DataDog Grafana Agile
Diego Fagundez
02

Experience

2026 - Present

Software Engineer

IOL (Invertir Online)

IOL (Invertir Online) — online broker building products for international investing, starting with Argentine residents and a vision to scale across Latin America.

  • Backend development with Node.js in an event-driven architecture
  • Working with MongoDB, AWS services, and asynchronous integration patterns
  • Collaboration with product and engineering in iterative, agile delivery
  • Ownership from technical design through production operations
  • Learning and applying cloud-native practices in a regulated domain
2021 - 2025

Software Engineer

Kavak

Leading e-commerce platform for buying, selling, and financing used cars globally. Joined finance during infrastructure refactoring from monolith to microservices.

  • Backend development with Golang, Node.js/TypeScript, and Python
  • Migrated APIs from monolith to microservices; built new services in Node.js and Golang
  • Maintained multiple backends and backoffice frontends across teams
  • Monitoring and metrics with DataDog and Grafana
  • End-to-end delivery from design to production deployment
2019 - 2021

QA Analyst

GLAMIT

360° e-commerce services company.

  • Design and execution of manual and automated tests
  • Development of automation frameworks from scratch
  • API testing with Postman
  • Feature and process documentation
  • Quality assurance across multiple e-commerce projects
03

Projects

Kadencia

Live

Training routines & workouts

Create, save, and run workout routines with Supabase auth and Postgres. Import routines from text or photos using OCR and AI-assisted parsing.

Auth & cloud data AI-assisted import Sessions & history
SvelteKit TypeScript Supabase Tesseract
Open app

改善 Kaizen

Live

Minimalist Productivity App

Personal project embodying the philosophy of continuous improvement. Capture ideas, execute tasks incrementally, and track small daily improvements.

Ideas capture Task management Time blocking
Next.js TypeScript Supabase Tailwind CSS
Open app

Vizu

Live

Mermaid diagrams in the browser

Lightweight editor for Mermaid.js: live preview, zoom, multiple diagrams, PNG export and clipboard copy—single HTML, no install required.

Live preview Export PNG / JSON Zero build step
Mermaid.js Vanilla JS HTML/CSS
Open app View on GitHub
Live

雲 KumoStudio

Personal studio brand

Kumo Studio is my umbrella for product work: a SaaS-first focus on gyms, CrossFit boxes, art centers, and similar venues.

☁️ SaaS for venues & studios
✨ AI for processes & UX
🛠️ Custom development & consulting
Visit site

SaaS products in development; studio site and services are live.

04

Get In Touch

I'm always open to new opportunities and interesting projects. Whether you have a question or just want to say hi, feel free to reach out.

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