Hi, I'm

Samuel
Ambrosio

Senior Fullstack Engineer

7+ years building products end-to-end: Node.js/NestJS and PostgreSQL backends, React/Next.js frontends and 6 React Native mobile apps. B2B search engine over 12M companies (Grata), 13 Node.js microservices on AWS EKS with HLS streaming (Tripsst) and team leadership at CannedHead.

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// about

About me

Senior Fullstack Engineer with 7+ years and 14 projects built end-to-end: APIs and microservices in Node.js/NestJS with PostgreSQL, React/Next.js frontends and 6 React Native apps. I've led engineering teams, designed AWS infrastructure (EKS, Lambda, Kinesis) and real-time systems (websockets, HLS streaming) for healthcare, fintech, edtech, travel, insurance and marketplaces, working remotely for companies in Guatemala, Canada and the US.

7+
Years of experience
14
Projects delivered
12M+
Companies indexed (Grata)
3
Countries (GT · CA · US)

// projects

Projects

Other projects

// skills

Tech Stack

Backend

  • Node.js
  • NestJS
  • Express
  • PostgreSQL
  • MongoDB
  • REST/GraphQL
  • AWS
  • Docker

Frontend & Mobile

  • React
  • Next.js
  • TypeScript
  • React Native
  • Expo
  • Tailwind

Leadership

  • Tech Lead
  • Architecture
  • Scrum
  • Code review

Also worked with

  • Vue
  • Angular
  • Java
  • Oracle
  • Web3

// experience

Experience

12/2023 — Present

Senior Fullstack Engineer

Leading architecture and end-to-end delivery for the featured projects: Tripsst's AWS infrastructure (13 Node.js microservices on EKS, RDS PostgreSQL, Redis, MediaConvert → CloudFront video pipeline, all in Terraform) and Grata's B2B search engine over 12M companies. Stack: NestJS, Next.js, React Native and PostgreSQL.

NestJSNext.jsReact NativePostgreSQLAWS
10/2022 — 11/2023

Full Stack Developer / Tech Lead

CannedHead Inc, Canada — Remote

Tech Lead for CannedHead's React Native app and Node.js platform: development, maintenance and guiding the team through peak demand. Kept the project on track and shipped user experience improvements.

React NativeNode.jsTech Lead
11/2021 — 09/2022

Full Stack Developer

Urgencias Médicas S.A — Guatemala (Remote)

Built and shipped React Native video-medicine and video-psychology apps for Urgencias Médicas, widening access to healthcare. Designed a custom CRM for internal operations and client satisfaction.

React NativeCRM
08/2020 — 11/2021

Full Stack Developer

Excess Software S.A — Guatemala (Remote)

Built an e-learning platform for children with special needs and its React Native app for remote classes. Also developed several apps for the health and fintech sectors.

React NativeE-learningFintech
12/2018 — 07/2020

Full Stack Developer

EMETRA — Guatemala (Remote)

Led EMETRA's migration from Oracle Forms to React Native and Node.js: a resilient mobile app that lets field agents issue traffic tickets on the spot. Introduced the new stack to the team.

React NativeNode.jsOracle

// contact

Contact

Have a project in mind? Let's talk!

Email

contact@samuelambrosio.com

Location

Remote — LATAM

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