Graduated in Software Engineering with a specialization in software development using Java, React, and Spring Boot, with over 3 years of experience in the field. Skilled in problem-solving, optimizing usability, and maximizing system efficiency. Extensive experience in Java-based backend development, particularly with Spring Boot, and in building scalable, high-performance web applications. Proficient in creating dynamic front-end applications with React.js. Experienced in working independently and as part of collaborative teams in Agile environments using Scrum methodology. Strong communicator in both English and Spanish, with a proactive approach to addressing challenges and delivering solutions.
Experience
SML
Associate Programmer
USA
January 2023 - Currently
-Developed scalable IT solutions within the eCommerce platform team using Java, React and Microsoft SQL Server, enhancing system performance and user experience.
-Implemented new features tailored to specific products and markets, increasing product flexibility and market responsiveness.
-Designed and optimized databases using Microsoft SQL Server, ensuring efficient data storage and recovery.
-Enhanced code quality by fixing bugs and optimizing existing code, resulting in a 10% increase in error resolution efficiency.
-Led the migration of legacy systems to a newer Java version, boosting application security, scalability, and performance.
-Executed CI/CD pipelines, improving deployment speed and reducing deployment-related errors by over 80%.
EDENORTE
Full Stack Developer
Santiago, Dominican Republic
July 2022 - October 2022
-Developed scalable IT solutions within the eCommerce platform team using Java, Oracle Database, HTML, CSS, JavaScript and Bootstrap, enhancing system performance and user experience.
-Implemented new features tailored to specific products and markets, increasing product flexibility and market responsiveness.
-Designed and optimized databases using Oracle Database, ensuring efficient data storage and recovery.
-Enhanced code quality by fixing bugs and optimizing existing code, resulting in a 10% increase in error resolution efficiency.
-Led the migration of legacy systems to a newer Java version, boosting application security, scalability, and performance.
-Executed CI/CD pipelines, improving deployment speed and reducing deployment-related errors by over 80%.
Education
MINISTERIO DE EDUCACION SUPERIOR, CIENCIA Y TECNOLOGIA
English immersion
Santiago, Dominican Republic
2023
PONTIFICIA UNIVERSIDAD CATOLICA MADRE Y MAESTRA
Software Engineer
Santiago, Dominican Republic
2018 - 2022
INSTITUTO TECNOLOGICO MEXICO
Electronics Technician
Santiago, Dominican Republic
2018
Skills
My Projects
Take a look at my latest work
I’ve worked on a variety of projects, ranging from simple websites to complex web applications. Here are some of my favorites.
August 2025 - September 2025
A comprehensive Medical Clinic Management System designed to streamline clinic operations. The system allows efficient management of appointments and schedules, handling of patients’ personal information and complete medical histories, maintenance of detailed and organized medical records, generation of treatments, medical licenses, and official certificates, and tracking of clinic revenue with accurate financial reports.
July 2025 - August 2025
Developed a WhatsApp chatbot for local businesses to automate customer communication and support. Built using Node.js and Meta's WhatsApp Cloud API, the chatbot handles interactive messaging with buttons, lists, and webhook logic for dynamic responses. Integrated Google Sheets allows non-technical staff to easily manage content. The solution enhances client engagement, streamlines communication, and significantly reduces manual workload.
January 2025 - March 2025
A powerful and versatile POS (Point of Sale) system that optimizes sales management, both in-store and for delivery. It offers precise inventory control, order management, revenue tracking, accounts receivable management, and detailed expense reports. Designed to enhance operational efficiency and provide a seamless experience for businesses and customers alike.
September 2022 - December 2022
An assistive device designed to help visually impaired individuals. It uses advanced technologies such as artificial intelligence, computer vision with YOLOv5, and optical character recognition (OCR) to identify obstacles and provide relevant information in real time. Additionally, the device can detect Dominican bills and sum them up, enhancing the users' mobility, autonomy, and money management.
October 2023 - October 2023
An Interactive web application developed with React, simulating the complete pizza purchase process. It integrates an API for dynamic product management, cart control, and smooth navigation between routes, providing an intuitive and responsive user experience.
Contact Me
LET’S WORK TOGETHER
I’m always open to new opportunities and meaningful connections. Feel free to reach out to me on LinkedIn — let’s start a conversation! Send me a message on
Designed by John Pena.