Nehuen Goñi

Hi, I'm Nehuen Goñi

Nehuen Goñi

Fullstack Engineer

Architecting scalable web ecosystems from concept to deployment. I specialize in building high-performance, accessible interfaces with a focus on Clean Architecture and purposeful engineering that aligns technical precision with user-centric goals

Check out my work

01.About Me

Fullstack Software Engineer specialized in delivering fintech and high-availability web applications through the React/Node.js ecosystem.

I bridge the gap between modular frontend architecture and scalable backend systems, implementing Clean Architecture to transform complex business requirements into high-performance digital products.

Driven by engineering excellence, I focus on building maintainable, impact-driven solutions that optimize both user experience and system reliability.

02.Skills & Technologies

Frontend

ReactNext.jsTypeScriptJavaScriptTailwind CSSHTML/CSS

Backend

Node.jsExpressREST APIsJavaApex

Databases

MongoDBPostgreSQLSQL

Tools

GitGitHubVS CodeVercelAzureJest/VitestWebpackESLint

03.Experience

Abr 2024 — Present

Fullstack Developer

Trade & Finance Technology

  • Built modular UI components using React/MUI, increasing code reusability by 30% across complex enterprise workflows.
  • Applied lazy loading and memoization techniques, reducing bundle size by 40% and improving Lighthouse scores.
  • Integrated REST APIs and global state management, cutting data sync latency by 20% in high-availability systems.
  • Streamlined UI/UX handoff implementing standardized design systems, reducing dev time by 25%.
  • Led rigorous code reviews enforcing Clean Code standards, decreasing post-release bugs by 18%.
ReactTypeScriptREST APIs

Jun 2010 — Abr 2024

Technical Lead & Owner

KM Computación

  • Achieved a 95%+ first-fix rate on hardware diagnostics and PC repairs, significantly reducing device turnaround times.
  • Managed end-to-end inventory and invoicing, reducing stock discrepancies by 15% through automated auditing processes.
  • Optimized procurement costs and streamlined account reconciliation with key hardware suppliers.
  • Increased client retention rates by managing a diverse account portfolio and providing specialized technical advisory.

04. Personal Projects

Repair & Product Management System

Repair & Product Management System

Featured

Built for a real computer repair business (KM Computación, 100+ active clients). Replaced manual paper-based workflows with a full-stack digital system — cutting repair tracking time and eliminating stock discrepancies. Features real-time repair status, inventory management, and customer history.

TypeScriptReactNode.jsExpressMongoDB
Property Management System

Property Management System

Full-stack application to manage rental properties, track tenants, control payments, and handle lease contracts.

JavaScriptNode.jsExpressMongoDBHTMLCSS
Veterinary Patient Manager

Veterinary Patient Manager

MERN stack application for managing veterinary patients with appointment scheduling and clinical history tracking.

ReactTailwind CSSViteNode.jsExpressMongoDB
Truco Tournament & History Tracker

Truco Tournament & History Tracker

Full-stack TypeScript app for tracking match history and creating tournaments for the Argentine card game Truco.

TypeScriptReactNode.jsExpress

Personal Portfolio

Featured

This portfolio — built with Next.js 16, TypeScript, Tailwind CSS, and next-intl for full internationalization support. Features smooth animations and responsive layout.

TypeScriptNext.jsReactTailwind CSSnext-intl
UnicoClub Padel

UnicoClub Padel

Featured

Website for a real padel club in Weston, FL. Built with Next.js 16, React 19, Tailwind CSS v4, and Motion for animations. Features Playtomic booking integration, gallery, interactive map, contact form, and smooth scroll with Lenis.

TypeScriptNext.jsReactTailwind CSSMotionLenis

Birthday Reminder Bot

Automated Node.js bot that sends birthday notifications to groups, keeping track of upcoming birthdays automatically.

JavaScriptNode.js
KM Computación Website

KM Computación Website

Featured

Corporate website for KM Computación, a technology store in Grand Bourg, Argentina. Features a product catalog, repair services, networking/CCTV installation, and a contact form. Built with React, Vite, and static site generation (vite-react-ssg).

JavaScriptReactViteTailwind CSSFramer MotionReact Router
E-commerce

E-commerce

Online store built with Next.js and TypeScript, with a custom backend containerized with Docker.

TypeScriptNext.jsDocker
Amanda Home

Amanda Home

Shop management system with stock control, built to manage a home goods store.

TypeScriptNext.js

05.Contact

Have a project in mind? Let's talk!