Fabrizio Zaffarana
Backend Software Engineer

Technical

Node.js

TypeScript

Express.js

GraphQL

PostgreSQL

MySQL

MongoDB

Redis

Weaviate

Firebase

Supabase

Amazon Web Services

Serverless

Docker

Experience

Backend Software Engineer, Rocket Lab, March 2025 - Present
  • Backend development for app growth and mobile optimization solutions
  • Development of data-driven advertising and app optimization tools
Backend Software Engineer, Smoot, May 2023 - March 2025
  • AWS management and cost reduction
  • NodeJS APIs development
  • Event driven serverless architectures design (AWS Lambda w/NodeJS)
  • Analytics and data pipelines development
  • Integration of artificial intelligence services, including OpenAI and Google Cloud AI
  • Implementation and management of vector databases, such as Weaviate, for advanced data retrieval and storage
Backend Software Engineer, Mixmax, February 2022 - May 2023
  • DX (Development Experience) - Led the development and improvement of tools and workflows to enhance the development process for cross-functional teams. Utilized agile methodologies to drive project timelines, collaborated with stakeholders to identify areas of improvement, and implemented solutions to streamline processes and increase efficiency
  • AWS management and cost reduction
  • NodeJS APIs development
  • Event driven serverless architectures design (AWS Lambda w/NodeJS)
Backend Software Engineer, Palabra, February 2021 - February 2022
  • Migrate a monolith to microservices (AWS)
  • SQL and noSQL databases management
  • Event driven serverless architectures design (AWS Lambda w/NodeJS)
  • AWS management and cost reduction
Backend Software Engineer, Pruvo, August 2020 - February 2021
  • Create integration services to connect the platform with different hotel suppliers
  • Serverless (AWS Lambda w/NodeJS) pipelines development
Backend Technical Lead, Backend Software Engineer, Worcket, January 2019 - August 2020
  • New features analysis and implementation
  • Serverless (AWS Lambda w/NodeJS) pipelines development
  • SQL and noSQL databases management
  • Team management
Backend Technical Lead, Backend Software Engineer, Headway Digital - Marketing powered by Technology, September 2017 - January 2019
  • Serverless (AWS Lambda w/NodeJS) pipelines development
  • SQL and noSQL databases management
  • High performance APIs design
  • Event driven serverless architectures design (AWS Lambda w/NodeJS)
  • Team management
Backend Technical Lead, Full-stack Developer, PlayTown S.A, January 2013 - September 2017
  • New features analysis and implementation
  • PHP and NodeJS APIs development
  • Development of custom solutions for all areas of the company
  • Design and development of mobile games/applications for Android and iOS platforms using Ionic Framework, React Native and Unity3D
IT Director, Sur Electricidad S.A, January 2010 - January 2013
  • Creation and migration of the new tracking system in a local network.

Education

System Analyst Degree, Instituto Tecnologico Beltran

Languages

Spanish, Native

English, Upper intermediate (B2)

Personal Projects

Lechuga App, https://lechuga.app
  • Historical values and price evolution query for different exchange rates in Argentina.
All The Tools, https://www.allthetools.online/
  • Free online tools for converting, formatting, and transforming data (JSON to CSV, Base64, JWT Decoder, etc.).