Available for freelance projects

Hey, I'm
Nicolás Rozas

Fullstack Developer · Argentina

Web, mobile and automation development with 5+ years of experience. I've worked on products used by millions of people at companies in Argentina, the UK and the United States.

View my work →Get in touch
Nicolás Rozas
years of experience
projects delivered
companies
countries

My journey

5+ years building digital products

2023 — Present

Fullstack Developer — Freelance

Custom websites and web apps. E-commerce (Question Colors), AI bots, WhatsApp chatbots, automation with n8n and GPT.

Jul 2024 — Present

Fullstack Developer — PSH

Argentine software factory with international clients. Fullstack across Angular, React, Gatsby and Strapi. Products: Seesaw (K-12 portfolios), Life Homecare (home health), Pathful (K-16 career guidance).

2022 — Jul 2024

Frontend Developer — Oaks Valley

FinTech startup. Wakeful: LATAM investment platform for US markets. Bitennial: crypto trading mobile app.

May 2021 — Mar 2022

Fullstack Developer — Giant

UK software factory. E-commerce and nonprofit platforms (Make-A-Wish). React, Node.js, payments.

My Stack

Technologies I work with every day

Frontend
ReactNext.jsTypeScriptTailwind CSSFramer Motion
Backend
Node.jsExpressDjangoPythonREST APIs
Mobile
React NativeiOSAndroidExpo
Database
PostgreSQLMongoDBRedisSupabase
Cloud & DevOps
AWSVercelDockerCI/CD
AI & Automation
OpenAI APIn8nWhatsApp APIGPT-4

Projects

Real work, products in production

Nearpod
PSH · EdTech

Nearpod

Interactive learning platform with 22,000+ lessons, polls, quizzes and VR. Used globally.

Seesaw
PSH · EdTech

Seesaw

K-12 LMS with AI. Digital portfolios, multimodal activities, family connection.

Life Homecare
PSH · Salud

Life Homecare

Home healthcare management platform. Caregiver coordination, scheduling and monitoring.

Pathful
PSH · Educación

Pathful

K-16 career guidance. 500+ FlexLessons, Virtual Job Shadow, microcredentials. 5,000+ companies.

Wakeful
Oaks Valley · Inversiones

Wakeful

LATAM investment platform for US markets. Interactive Brokers, SIPC $500K protection.

Bitennial
Oaks Valley · Crypto

Bitennial

Crypto trading mobile app. Buy/sell cryptocurrencies with real-time APIs.

Question Colors
Freelance · E-commerce

Question Colors

E-commerce for Rosario hair salon. Design, development, cart, and hair color catalog.

Side projects

Personal · Gestión

FleetBoard

Dashboard for a 6-car Uber fleet. Driver sheets, expenses, maintenance, and profitability per vehicle.

ReactTypeScriptSupabaseTailwindVite
Personal · FinTech

FinanceFlow

Personal finance app. Income, expenses, categories, monthly charts, and ARS/USD multi-currency support.

ReactFirebaseChart.jsClerkTypeScript
Personal · Retail

Stock Manager

Collaborative inventory manager for fairs. Product registry, real-time sales tracking and daily cash close.

ReactTypeScriptSupabaseMaterial UIVite

What I can build for you

Development and consulting services

Web Development

SPAs, landing pages and e-commerce with React, Next.js or whatever stack fits.

Mobile Apps

Cross-platform iOS and Android apps with React Native.

Backend & APIs

Robust servers, REST APIs, microservices and databases with Node.js or Django.

AI Bots

Chatbots and agents powered by GPT-4. WhatsApp bots, virtual assistants and customer support bots connected to your systems.

Automations

Automated workflows with n8n: notifications, data sync, CRM, billing and any repetitive process you want to eliminate.

Tech Consulting

System architecture, code review and mentoring for teams and projects.

Got a project in mind?

Let's talk.