Available to hire
Hi, I’m Roberto Alonso, a multilingual software engineer with a passion for building scalable web and mobile applications. I enjoy transforming complex requirements into clean, maintainable solutions across frontend, backend, and cloud, and I love collaborating with teams to deliver real value. I also explore AI-powered tools and continuously expand my technical horizons to stay ahead in the field.
Based in Dietikon, Switzerland, I’m pursuing master’s studies in Cyber Security with AI and in Artificial Intelligence, while keeping hands-on development as a core part of my work. I enjoy mentoring, contributing to open source, and sharing knowledge with peers and learners alike.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Spanish; Castilian
Fluent
English
Advanced
Catalan; Valencian
Advanced
German
Intermediate
French
Intermediate
Russian
Beginner
Work Experience
Cook at Papa Joe's Restaurant
September 1, 2025 - PresentKitchen duties and food preparation.
Steward / Maintenance at Papa Joe's Restaurant
August 31, 2025 - September 10, 2025Support in restaurant operations and maintenance.
Full Stack Developer & Tester at ZATA CASA Systems
January 31, 2023 - September 10, 2025Real-time features, CRM-like apps, and mobile/web projects using MERN/Next.js stacks; real-time voting and ticketing apps; socket.io based maps.
Full Stack Developer at ZATA CA SYSTEMS
January 31, 2023 - September 10, 2025Real-time applications using socket.io and React; projects include Song Contest voting, Real-time Tickets App, and Real-time Map App. Stack includes React, Node.js, MongoDB, and AWS.
Full Stack Developer at Omsun Tech
January 1, 2023 - November 1, 2025Migration of an accounting program; development of a RESTful API with Python/FastAPI and PostgreSQL; React client; migration of a business management program to Azure; multiple AI-enabled features (stock prediction, AI chatbot, financial text/sentiment analysis, options trading bot, etc.).
Freelance Full Stack Developer at Omsuntech
August 1, 2022 - PresentFreelance full stack and mobile app development using Next.js, React, Node.js, MongoDB, AWS (Cognito, Lambda, DynamoDB, AppSync, Amplify), REST/GraphQL APIs, real-time features with Socket.IO, and deployment automation.
Full Stack Developer at Omsun tech
August 1, 2022 - PresentFreelance full-stack development using Next.js, React, Node.js, MongoDB; implemented features including authentication, mapping, real-time capabilities, and e-commerce components across multiple client projects.
Full Stack Developer (Freelance) at ZATA CA SYSTEMS
September 1, 2021 - January 31, 2023Real-time apps using socket.io and Python/FastAPI; real-time map app; real-time ticketing and queueing solutions; React frontend with Python backend.
Full Stack Developer at Mahico Soluciones
August 31, 2021 - September 10, 2025Freelance web development for Mahico Soluciones: Next.js/React/MERN stack; e-commerce, CRM for sellers, MERN Calendar App, and related projects.
Professor of Software/Web Technologies at College Maria Enriquez, Gandia
August 1, 2013 - PresentTeaching Testing with Appium, Cypress, Selenium, React Testing Library, React Native Testing Library, JavaScript, Next, React & React Native, CSS, Node, PostgreSQL, MySQL.
Professor of Web Technologies at Tavernes College (Valencia Community)
July 31, 2013 - September 10, 2025Taught JavaScript, CSS, MySQL; Web Technologies.
Full Stack Developer (Freelance) at Mahico Soluciones, S.L.
January 1, 2012 - August 31, 2021Full-stack web developments including a Next.js e-commerce app, CRM for sellers, MERN calendar app, and related front-end/back-end work.
Professor of Software Training at DISCA, Valencia Polytechnic University
February 1, 2010 - September 10, 2025Taught Testing with Appium, Cypress, Selenium, React Testing Library, React Native Testing Library, JavaScript, Next, React & React Native, CSS, Node, PostgreSQL, MySQL.
Professor of Computer Languages and Systems at DSIC Department, Valencia Polytechnic University
August 31, 2007 - September 10, 2025Teaching Computer Languages and Systems; OSINT and related subjects.
Director at College Jaume II El Just, Tavernes
August 31, 2007 - September 10, 2025Director with responsibility for 130 teachers.
Education
Degree in Computer Science at Valencia Polytechnic University
January 11, 2030 - January 1, 1997Computer Engineering Degree at Valencia Polytechnic University
January 11, 2030 - January 1, 2007MSc in Computer Engineering at University Department DISCA (Valencia Polytechnic University)
January 11, 2030 - January 1, 2007Undergraduate in Telecommunications Engineering at Valencia Polytechnic University
January 11, 2030 - January 1, 2008Python Advanced Level at University of La Rioja
January 1, 2022 - September 10, 2025Master in Full Stack Development at University of La Rioja
January 1, 2023 - September 10, 2025Master in Software Engineering and Security Systems at University of La Rioja
January 1, 2024 - September 10, 2025Degree in Computer Science (Physical Computer Systems) at Valencia Polytechnic University
January 11, 2030 - January 1, 1997Computer Engineering Degree at Valencia Polytechnic University
January 11, 2030 - January 1, 2007MSc in Computer Engineering at Valencia Polytechnic University (DISCA)
January 1, 2007 - January 1, 2008Undergraduate in Telecommunications Engineering at Valencia Polytechnic University
January 1, 2007 - January 1, 2008Python Advanced Level at University of La Rioja
January 1, 2022 - December 31, 2022Master in Full Stack Developer at University of La Rioja
January 1, 2023 - December 31, 2023Master in Software Engineering and Security Systems at University of La Rioja
January 1, 2024 - December 31, 2024Master in Cyber Security and Artificial Intelligence at University of Lancashire
January 11, 2030 - December 3, 2025Master in Artificial Intelligence at University of Hull
January 11, 2030 - December 3, 2025Master in Software Engineering and Security Systems at University of La Rioja
January 11, 2030 - January 1, 2024Master in Full Stack Developer at University of La Rioja
January 11, 2030 - January 1, 2023Python Advanced Level at University of La Rioja
January 11, 2030 - January 1, 2022Master in Computer Science at Valencia Polytechnic University
January 11, 2030 - January 1, 1997Computer Engineering Degree at Valencia Polytechnic University
January 11, 2030 - January 1, 2007Undergraduate in Computer Engineering at Valencia Polytechnic University (DISCA)
January 11, 2030 - January 1, 2007Undergraduate in Telecommunications Engineering at Valencia Polytechnic University
January 11, 2030 - January 1, 2007Qualifications
AWS Certified Cloud Practitioner
January 11, 2030 - September 10, 2025AWS Certified Solutions Architect – Zero to Mastery
January 11, 2030 - September 10, 2025Udemy Appium Course
January 11, 2030 - September 10, 2025Udemy Cypress Course
January 11, 2030 - September 10, 2025Udemy React Testing Library – Advanced
January 11, 2030 - September 10, 2025Udemy Selenium Course
January 11, 2030 - September 10, 2025Udemy React Native Testing Library
January 11, 2030 - September 10, 2025Udemy React Native Testing Library – Advanced
January 11, 2030 - September 10, 2025University of La Rioja — Python Advanced Courses
January 1, 2022 - September 10, 2025Master in Full Stack Development
January 1, 2023 - September 10, 2025Master in Software Engineering and Security Systems
January 1, 2024 - September 10, 2025AWS Certified Cloud Practitioner
January 11, 2030 - September 10, 2025AWS Certified Solutions Architect – Zero to Master
January 11, 2030 - September 10, 2025Udemy Courses: React Native Testing Library
January 11, 2030 - September 10, 2025Udemy Courses: Node.js, React, SQL, Data Structures
January 11, 2030 - September 10, 2025University Expert Course in DevOps & Clouds
January 11, 2030 - December 3, 2025AWS Certified Cloud Practitioner: Zero to Master
January 11, 2030 - December 3, 2025AWS Certified Solutions Architect: Zero to Master
January 11, 2030 - December 3, 2025Industry Experience
Software & Internet, Education, Professional Services, Media & Entertainment, Telecommunications, Retail, Healthcare
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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