Hola! Soy Kevin

I'm Kevin,

Full Stack Developer

Systems and Computer Engineer, specialized in developing web applications with .NET Core and Angular, and mobile applications with Flutter. I love turning ideas into solid, well-built products.

Photograph of Kevin J. Rosario
4.9 ★★★★★
Guaranteed quality
4+ Years
developing
What I do

My Services

Complete software solutions, from idea to production. Applications designed to scale and stand the test of time.

Web Applications

Full stack architecture with .NET Core and Angular: APIs, authentication, relational databases and production deployment.

Mobile Applications

Cross-platform development with Flutter for Android and iOS, with business logic and design consistent across every device.

Desktop Systems

Systems for internal management: invoicing, inventory, reports and data administration, with clear and efficient interfaces.

Career Path

My Experience

A journey of continuous learning, from academia to industry, building quality software.

Professional experience
Jul. 2023 — Present Almacenes del Este

Software Developer

Building web applications with .NET Core and Angular and mobile applications with Flutter, taking part in every stage of the product lifecycle.

Feb. 2022 — Aug. 2023 Central Romana

Programmer

Development and maintenance of software solutions supporting production and administrative processes, strengthening my professional foundation every year.

Academic education
Aug. 2026 — In progress Universidad Internacional de La Rioja · México

Master's Degree in Software Engineering and Computer Systems

Postgraduate specialization in software architecture and computer systems, currently in progress (Aug. 2026 — In progress), elevating and updating professional practice.

Universidad O&M 2016 — 2021 La Romana, RD

Systems and Computer Engineer

Training in software engineering, databases, networks and systems architecture that supports every professional project.

Liceo Técnico Calasanz 2010 — 2016 La Romana, RD

Professional Computer Technician

My first steps in programming, equipment and network maintenance, where I discovered my passion for development.

Kevin J. Rosario coding
Code clean · always
On-time delivery
Why me

Why hire me?

I'm an adaptable person who fits easily into any team. I love digging deep into the technologies I work with to maximize their potential and deliver solutions that solve real problems.

10+
Projects completed
4+
Years of experience
100%
Commitment and quality
Download CV
My work

Take a look at my Portfolio

Flutter

Inventory Control

Cross-platform Flutter app (Android and Windows) for managing returns, receipts, transfers, invoice scanning and merchandise outflows, with notifications, advanced filters and activity history.

Flutter

Money Manager

Offline P2P digital banking app for playing board games (Money Manager, Monopoly and variants) with virtual money. It works without internet: players connect their phones to a central device ("the Bank") and manage balances, transfers, investments and prizes in real time.

Stack

Technologies

The tools I use to build solid solutions, from the database to the interface.

Backend

.NET CoreC#SQL ServerOracle DatabasePL/SQLREST APIsSignalR

Frontend

AngularTypeScriptJavaScriptSassHTML/CSS

Mobile

FlutterDart

Tools

Git
Education

Courses & Certifications

Continuous training in software engineering, from language fundamentals to enterprise applications.

Contact

Got a project in mind?

Tell me your idea and I'll get back to you as soon as possible. Always open to new challenges and good conversations.

Thanks! Your email has been sent. I'll get back to you soon.
4+
Years of experience
10+
Projects completed
24/7
Available for you