Professional Summary

Senior Software Engineer with 20 years of experience in developing Java and web applications, with strong knowledge of the financial sector and its regulatory requirements. Solid background in backend and database optimization, with practical experience in Python.

Currently transitioning into Artificial Intelligence and Machine Learning after completing postgraduate studies in AI and Quantum Engineering. Seeking to contribute to AI-driven projects by combining extensive software engineering expertise with recent training in deep learning and ML, and with awareness of the transformative impact of the upcoming quantum era.

Remarkable Projects / Achievements

Postgraduate Project – Artificial Intelligence with Deep Learning (2025)

Designed and implemented an image inpainting pipeline using Stable Diffusion and LoRA, simulating object removal in real estate images. Included background/foreground segmentation and evaluation with PSNR, SSIM, LPIPS, and FID metrics. Demonstrated ability to apply state-of-the-art AI models to practical use cases.

View project on GitHub
https://github.com/lsunol/casalimpia

Sabadell Consumer Finance / Instant Credit – Main Java Web Application (2018–2024)

Core developer of the company's consumer finance Java web application, later acquired by Banc Sabadell and integrated into Sabadell Consumer Finance. Contributed to backend services, internal AngularJS back-office, and database sharding and performance optimization, ensuring scalability and reliability under high-demand usage.

Sabadell Consumer Finance / Instant Credit – Containerization with Docker (2022)

Led the containerization of the company's applications (frontend and back-office) using Docker, enabling more reliable deployments and reducing operational issues, while laying the foundation for DevOps best practices.

Agile Content – SaaS & Media Player (2013–2018)

Contributed to Agile CMS, a SaaS platform for media clients, and created a full-featured JavaScript media player with ad monetization, analytics, and customizable skins. Additionally, developed microservices (translation, redirection) and improved database performance for Oracle/MySQL under high-traffic use cases.

Professional Experience

Planned career break focused on advanced training and professional transition into Artificial Intelligence. Completed three postgraduate programs at Universitat Politècnica de Catalunya (UPC): Artificial Intelligence with Deep Learning, Quantum Engineering, Artificial Intelligence applied to Transport and Logistics.

Active development of InstantCredit platform (Java, AngularJS, MySQL, Docker, ElasticSearch). Integration into Banc Sabadell ecosystem. Responsibilities across feature design, performance, incident handling & reporting. Focus on containerization and database scaling (sharding approaches).

Worked on Agile CMS for major media clients. Developed Agile Media Player (JavaScript) with ad serving & analytics; Spring Boot services (Translator, Redirect). Improved DB performance (Oracle/MySQL). Stack: Java, JavaScript, Spring Boot, MySQL, MongoDB, Oracle, Node.js, Maven, Shell.

Web sites for La Caixa, Generalitat de Catalunya, Ajuntament de Barcelona. Built CMS for Generalitat on OpenCMS. Stack: Java, JSP, JSTL, HTML/CSS, XML+XSL.

HP Fleet Control Tool (C++, SNMP, HTTP, Telnet, SSH). Custom Java embedded printer solutions. Stack: C++, Java, XML+XSL.

Projects for Generalitat: SAGA & e-Catalunya (Java). Built wiki engine from scratch. Stack: Java, Hibernate, SQL, Velocity, HTML, JS, CSS, Apache.

Education

Program focused on artificial intelligence applications in logistics and digital transformation. Covers machine learning methods applied to transport, mobility, supply chain, and critical infrastructures, with sustainability and ethics perspective in AI.

Program focused on deep neural networks with global industry recognition. Hands-on experience with PyTorch implementations and solid theoretical foundation covering computer vision, natural language processing, and AI opportunities and limitations.

View project on GitHub
https://github.com/lsunol/casalimpia

Study of quantum physics applications to technology development. Focus on quantum computation, communications, cybersecurity, and sensing with potential impacts in chemistry, biology, medicine, and AI.

View final project on GitHub
https://github.com/lsunol/transmitingaqubit

Executive program focused on innovation management and technology-economic knowledge. Final grade: 9/10. Tools for successful innovation management within business environments.

Advanced studies in information technologies and software engineering. Continuation of informatics engineering studies at FIB-UPC.

Computer engineering studies with focus on software engineering. Comprehensive foundation in programming, algorithms, databases, and software development methodologies.