Hi, I'm Nicolás

Experience

1. April 2025 – PresentRemote

   Senior Software Engineer · Distilla

   • -25% LLM API costs

   • Led the 0-to-1 development of the platform, owning architecture, backend, frontend and production delivery.
   • Built Python data pipelines with Prefect and integrated OpenAI and Gemini APIs to power LLM-based workflows, reducing LLM API costs by 25% while maintaining output quality.

   • Python
   • Prefect
   • OpenAI API
   • Gemini API
   • Next.js
   • Express.js
   • Web Scraping
   • LLM integration
   • CI/CD
   • React
   • TypeScript
2. June 2024 – May 2025Remote

   Semi-Senior Software Engineer · Think and Dev

   • 300K+ daily Pix transactions
   • -30%+ deploy time and ops costs

   • Led the development of a Python-based cross-border payments platform integrating banking APIs, processing 300K+ daily Pix transactions in Brazil.
   • Owned development of production applications using TypeScript, Node.js, React and PostgreSQL.
   • Designed and implemented CI/CD pipelines, reducing deployment time and operational costs by 30%+.
   • Developed and tested ERC20, ERC721 and ERC1155 smart contracts using Solidity and Hardhat.

   • Python
   • FastAPI
   • Solidity
   • TypeScript
   • Hardhat
   • web3.js
   • ethers.js
   • Node.js
   • Next.js
   • React
   • CI/CD
3. Dec. 2021 – May 2024Remote

   Full Stack Software Engineer · Ensuro

   • 200K+ policies
   • $2M+ insurance premiums

   • Built and scaled production backend and frontend systems for a Web3 insurance platform supporting 200K+ policies and $2M+ in insurance premiums.
   • Designed and implemented APIs and application services using Node.js/Express and Python.

   • Solidity
   • React
   • TypeScript
   • web3.js
   • ethers.js
   • Express.js
   • Hardhat
   • Jest
   • DeFi
   • GCP
   • CI/CD
   • Django

Skills

Languages

• TypeScript
• JavaScript
• Python
• SQL (Postgres)
• Solidity
• Java
• C/C++
• CSS/SCSS
• HTML

Backend

• Node.js
• Express.js
• NestJS
• FastAPI
• PostgreSQL
• REST APIs
• Microservices
• Django
• Spring Boot

AI

• LLM APIs
• RAG
• AI/ML Pipelines
• OpenAI
• Gemini
• Prefect

Frontend

• React
• Next.js
• Svelte/SvelteKit
• Vue.js

Cloud & infrastructure

• AWS
• Google Cloud
• Docker
• CI/CD (GitHub Actions)

Developer & AI tools

• Claude Code
• Codex
• Cursor
• Git
• GitHub
• VS Code
• IntelliJ

Testing

• Hardhat
• Jest
• Mocha
• Chai
• Pytest

Web3

• Web3
• Blockchain
• Cryptography
• Foundry
• web3.js
• ethers.js

Spoken languages

• Spanish (native)
• English (fluent)

Education

1. Jul. 2020 – Dec. 2022

   Master's degree in Software Engineering (MEng)

   Instituto Tecnológico de Buenos Aires (ITBA)

   • Thesis: Mobile app/game to teach sign language with an animated character, focused on children.
   • Related courses: Cryptography, Blockchain, Artificial Intelligence, Virtual Reality, Cloud Computing.
2. Feb. 2017 – Jul. 2020

   Bachelor's degree in Software Engineering

   Instituto Tecnológico de Buenos Aires (ITBA)