Benjamín Espina | Portfolio

Core Expertise

Software Engineering

I build web and mobile apps end to end, keeping the code clean and simple so it's easy to pick up and change later.

Angular MERN Stack Python React SQL Server

Business Analysis

I keep the business side and the dev team on the same page — sorting out workflows and figuring out what really needs to get built.

Requirements gathering Process modeling Data analysis

Cloud, Delivery & QA

I handle delivery from start to finish — Azure DevOps, QA testing, and getting things live on the cloud without surprises.

Azure DevOps QA Testing Kanban / Delivery Management CI/CD

Selected Projects

Playa y Sol Piscinas — corporate website for a pool-building company

Live in production

Playa y Sol Piscinas · Corporate site

React TypeScript Tailwind CSS Vite Vercel

A modern corporate website for a company with over 30 years building pools. Responsive design, a product catalog, WhatsApp integration, and SEO tuning — all built around turning visitors into customers.

Open site

dividimos? — split group expenses in seconds

Live in production

dividimos? · Shared expenses

Angular TypeScript PWA

A progressive web app to split group expenses, built around a share-via-WhatsApp flow that turns settling up into a single tap. Add expenses, assign people, and send a clean breakdown instantly — no sign-up needed.

Open app Code

Dollar Tracker — live exchange rates for Argentina

Live in production

Dollar Tracker · Real-time rates

React Vite PWA

A real-time tracker for Argentina's exchange rates — dollar (official, blue, MEP, CCL, crypto) and euro, pulled live from DolarAPI. Fast, installable, and built mobile-first for a quick daily check.

Open app Code

Experience

Technical Support & Developer

2024 – Present

Playa y Sol S.A.S. (family business)

Built a full e-commerce platform (MERN) with catalog and order management.
Lead the brand's digital presence and assets across social and web.

MERN Stack MongoDB Express React Digital Marketing

IT Business Analyst & QA

Dec 2023 – Mar 2025

URG Urgencias

Primary liaison between business stakeholders and the dev team.
Turned business needs into technical specs and workflow models.
Led functional QA to ensure delivery matched expectations.

Requirements gathering QA & Testing Process modeling Kanban / Trello SQL

Independent Software Developer

2022 – Present

Personal & Freelance Projects

Built and shipped full-stack web apps and PWAs, end to end.
Owned the product lifecycle: responsive UI/UX to cloud deployment.

React Angular Python Node.js Deployment

Education

Information Systems Engineering

Final exams pending

UTN – National Technological University, Córdoba

Systems analysis, software architecture, databases, and project management.
Final thesis — a comprehensive, end-to-end web & mobile parking-reservation system, built in Scrum sprints with a CI/CD pipeline from analysis to a working product.

C# Angular Ionic Azure DevOps Scrum CI/CD

About

I studied Information Systems Engineering at UTN Córdoba, and since then I've worn pretty much every hat a product needs — Business Analyst, QA, and full-stack dev, often all at the same time. So I can take a feature, build it, and test it myself from end to end.

I'm not really in it for the code itself, but for solving a real problem. What I care about is that the thing actually works for the people using it.

Let's Connect

I'm open to new opportunities — and always happy to hear about your project.

Got something in mind? Drop me a line — I read every message.

Email Me LinkedIn