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Ramiro Mantero

Software Engineer — Frontend Web (React / Next.js / TypeScript) · Buenos Aires, AR (UTC-3)

experience

Full Stack Developer — Freelance · Plataforma financiera (cliente confidencial)

2025 — present

Financial web platform in production for a real client. Built the entire frontend with Next.js 15 + TypeScript: internal tooling, live dashboards, real-time visualization (Recharts) and automated PDF reporting on top of multi-broker data pipelines (PostgreSQL + Prisma). Test-driven with 1,800+ Vitest tests, Sentry observability, CI/CD and clean layered architecture.

Next.js 15TypeScriptReactPostgreSQLPrismaRechartsVitestSentry

Technology Risk Assistant — EY

Nov 2025 — present

Multinational environment, coordinating with regional teams in English. Analytics reports and dashboards for DV360 media campaigns; extraction, validation and integrity analysis of ERP financial data; ITGC audits (SOX, ISO 27001).

SQLDV360SOXISO 27001

Software Developer — Shaka (e-commerce)

Mar — Oct 2025

Python automation of stock and orders on top of TiendaNube's REST API; internal sales-analysis panel.

PythonREST APIsJSON

Fullstack Developer Jr — TDI SRL

May 2023 — Aug 2024

Developed and maintained production applications with Java, PHP and SQL; complex queries for validating large databases; technical liaison with business areas.

JavaPHPSQL

projects

GitHub Galaxy ● live

2026

A year of my real GitHub contributions rendered as a navigable 3D galaxy with Three.js — every day is a star, every repo a planet. Custom orbit controls, raycasting and an additive-blend starfield. visit · repo

Three.jsNext.js 15TypeScriptGitHub API

AR Finanzas Live ● live

2026

Real-time dashboard of the Argentine economy: dólar quotes across 7 markets, FX gap, CPI inflation and country risk from public APIs (DolarAPI + ArgentinaDatos), auto-refreshing with graceful fallbacks. visit · repo

Next.js 15TypeScriptRechartsREST APIs

Chat with my CV ● live

2026

My resume as a chat: ask it anything a recruiter would, and a fully client-side intent-matching engine answers from my real CV — zero API cost, typing effect and suggestion chips included. visit · repo

Next.js 15TypeScriptNLP-lite

SOC Command Center ● live

2026

Cinematic security-operations panel: canvas world threat map with animated attack arcs, live event feed, IAM access matrix and SOX/ISO 27001 control coverage — synthetic data, my EY audit background turned into pixels. visit · repo

Next.js 15CanvasIAMSOX / ISO 27001

¿Cuánto gana un dev? ● live

2026

Scrollytelling data story on Argentine IT salaries (Sysarmy 2026.1 survey): peso vs USD gap, seniority medians and remote-international rates, with charts that animate as you scroll. visit · repo

Next.js 15RechartsData vizScrollytelling

AI Automations — Anthropic API + Claude Code

2025 — 2026

AI-driven software in real workflows: Anthropic API integrations and custom Claude Code skills — screenshot-to-PDF pipelines and automatic Figma wireframe generation from live web apps.

Anthropic APIClaude CodeAutomation

Bazaar — Mobile E-Commerce Platform

2026

Cross-platform university team project: React Native + Expo app, Python + FastAPI microservices, AWS API Gateway with JWT, PostgreSQL + MongoDB, Docker, CI/CD with GitHub Actions and PR-based Git workflow.

React NativeExpoFastAPIAWSDocker

FCI Argentina Dashboard

2025

Investment-funds analytics: Python (Pandas) pipeline over the ArgentinaDatos API with an interactive Dash + Plotly dashboard, live in production. github.com/ramiromantero/FCI-dashboard

PythonPandasDashPlotly

education

Computer Engineering — University of Buenos Aires (FIUBA)

2019 — 2026

Thesis defended: scalable web platform for early detection of childhood disorders (React, Node.js, PostgreSQL). Academic exchange at UPV (Basque Country, Spain). Graduating Dec 2026. Cambridge FCE — advanced English in daily use.