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I'm a senior developer with a long track record of building web applications and digital platforms. I started in 2015 by creating websites for local businesses and gradually moved into more advanced and challenging projects. I’m genuinely interested in technology and always looking for ways to improve, both in the quality of my work and the tools I use. Over the years I’ve developed a solid, adaptable skill set and a practical approach to solving real-world problems with clean, efficient web solutions. I value teamwork, continuous learning, and delivering maintainable code and solid architecture that stands the test of time.…I'm a senior developer with a long track record of building web applications and digital platforms. I started in 2015 by creating websites for local businesses and gradually moved into more advanced and challenging projects. I’m genuinely interested in technology and always looking for ways to improve, both in the quality of my work and the tools I use. Over the years I’ve developed a solid, adaptable skill set and a practical approach to solving real-world problems with clean, efficient web solutions. I value teamwork, continuous learning, and delivering maintainable code and solid architecture that stands the test of time.

Juan Javier Nonay Gimeno

Full Stack Developer, Web Developer, Back-End Developer, +4

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I'm a senior developer with a long track record of building web applications and digital platforms. I started in 2015 by creating websites for local businesses and gradually moved into more advanced and challenging projects. I’m genuinely interested in technology and always looking for ways to improve, both in the quality of my work and the tools I use. Over the years I’ve developed a solid, adaptable skill set and a practical approach to solving real-world problems with clean, efficient web solutions. I value teamwork, continuous learning, and delivering maintainable code and solid architecture that stands the test of time.…I'm a senior developer with a long track record of building web applications and digital platforms. I started in 2015 by creating websites for local businesses and gradually moved into more advanced and challenging projects. I’m genuinely interested in technology and always looking for ways to improve, both in the quality of my work and the tools I use. Over the years I’ve developed a solid, adaptable skill set and a practical approach to solving real-world problems with clean, efficient web solutions. I value teamwork, continuous learning, and delivering maintainable code and solid architecture that stands the test of time.

Available to hire

I’m a senior developer with a long track record of building web applications and digital platforms. I started in 2015 by creating websites for local businesses and gradually moved into more advanced and challenging projects. I’m genuinely interested in technology and always looking for ways to improve, both in the quality of my work and the tools I use.

Over the years I’ve developed a solid, adaptable skill set and a practical approach to solving real-world problems with clean, efficient web solutions. I value teamwork, continuous learning, and delivering maintainable code and solid architecture that stands the test of time.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Senior Developer at Zataca Systems

August 1, 2022 - November 28, 2025

Lead the architecture and development of web applications from scratch using JavaScript, Vue.js, Node.js, PHP, Docker, and TDD, following clean code and scalable design principles; focused on hexagonal architecture. Acted as a technical reference in backend and CMS technology (Magento, Shopify), contributing to team knowledge sharing and mentoring developers in modern MVC and database practices.

Payment Module Integrator at Vector IT CI

August 1, 2021 - August 1, 2021

Contributed to international e‑commerce development for LG, focusing on implementation, testing, and QA of country-specific payment modules. Worked with frontend (Vanilla JS) and backend (PHP) tasks to ensure smooth payment workflows across multiple regions, adapting logic to varied compliance and integration requirements.

Senior Developer at Freelance (Zaragoza)

August 1, 2023 - August 1, 2023

Delivered full-cycle development of desk-to-apps, websites, and e-commerce platforms for small and medium businesses, with a focus on performance and maintainability. Provided technical consulting and ongoing maintenance and digital strategy advice to end clients.

Junior Developer

December 1, 2014 - December 1, 2014

Completed a vocational internship focused on web development tasks, including landing page design and form development using PHP and jQuery. Assisted in debugging and writing MS-SQL queries for internal tools, gaining hands-on experience with web technologies and CMS platforms.

Computer Technician (Internship)

November 1, 2012 - November 1, 2012

Completed an in-store, on-site and remote technical support internship, including troubleshooting and resolving hardware and software issues; assembled and repaired computer systems, installed operating systems, and configured networks.

Senior Developer at Peldano

July 1, 2022 - July 1, 2022

Senior developer on a long-term cross-platform project (for SEAT and partner brands); built Peck app from scratch up to maintenance phase using CodeIgniter, Vue.js, Node.js, and Ionic, within a 4-person Scrum team; involved in team coordination, client support, and incident resolution.

Senior Developer at Freelance (Collaborations) — Zaragoza

August 1, 2023 - August 1, 2023

Full cycle development of desktop apps, websites, and eCommerce platforms for small and medium businesses, focusing on performance and maintainability; provided technical consulting and ongoing maintenance and digital strategy advice.

E-commerce Developer at Freelance (Collaborations) — Zaragoza

May 1, 2018 - May 1, 2018

Developed custom eCommerce solutions using WordPress and from-scratch MVC frameworks like Symfony and React; maintained direct client communications and set up server and deployment processes.

Junior Developer at Inycom

December 1, 2014 - December 1, 2014

Completed a vocational internship focusing on web development; landing page design with Joomla and form development using PHP and jQuery; assisted in debugging and writing MS-SQL queries for internal tools.

Computer Technician at Zaragoza Montessori School / Zaragoza

November 1, 2012 - November 1, 2012

Vocational internship providing in-store, on-site and remote technical support; assembled and repaired computer systems; installed operating systems; configured networks; managed inventory and documented technical incidents.