Nicolas Sandrin

Full Stack Developer specialized in Java, React, and Web3.

I help companies and startups build scalable, modern web applications using clean code and efficient architecture.

Nicolas Sandrin

Tech Stack

Backend

  • Java
  • Spring Boot
  • Node.js
  • PostgreSQL
  • MongoDB

Frontend

  • React
  • Redux
  • TypeScript
  • Tailwind CSS
  • Next.js

Web3

  • Solidity

Infra & Tools

  • AWS
  • Docker
  • GitHub Actions
  • Vercel

Experience

2024 – Present

Full Stack Software Engineer

GlobalLogic / Hootsuite

Maintaining and building scalable services for Hootsuite’s internal systems using Java Spring Boot, React, TypeScript, REST APIs and AWS.

2023 – 2024

Java Lead Developer

TSOFT / Telefónica

Led the development of a brand-new TopUp system for Movistar and Tuenti using Java, Spring Boot, SOAP APIs, and Oracle WebLogic. High-load system used by millions.

2022 – 2023

Backend Developer

Epidata

Worked on national systems for the Ministry of Economy and Ministry of Social Development in Argentina. Stack: Java, Spring Boot, React, PostgreSQL, MongoDB.

2021 – 2022

Web Builder

Luxury Presence

Developed high-end real estate websites using React for clients in the U.S. market. Focus on UI quality and client delivery.

2020 – 2021

AI Trainer

Deepgram

Trained AI models to perform live voice recognition. Developed virtual training pipelines using Python.

Education & Certifications

2023 – Present

Computer Science (BSc)

University of London

2022

Web Full Stack Developer

MindHub Bootcamp

2021

Duolingo English Test (C1)

Duolingo

What I’m Looking For

I’m currently open to remote freelance work, contract-based roles, and collaborations with startups and small businesses looking to build meaningful, modern web applications.

Let’s build something meaningful together.

Contact Me

You can also reach me at nrsandrin@gmail.com