Available to hire
Hello! I’m Cristian Antonio Crisan, a passionate Full Stack Developer who enjoys turning ideas into scalable, user-friendly web applications using React.js, Node.js, and modern tooling. I thrive in collaborative environments, continuously improving code quality and delivery speed while keeping maintainable architectures in mind.
In my free time I love exploring new technologies, enhancing UI/UX, and contributing to open-source projects. I’m a fast learner, detail-oriented, and committed to delivering solid results as part of a team, always eager to grow and share knowledge with colleagues.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Spanish; Castilian
Fluent
Catalan; Valencian
Fluent
Romanian, Moldavian, Moldovan
Fluent
English
Advanced
Work Experience
Frontend Developer Intern at Aigües Segarra Garrigues – Tarrega, Spain
February 1, 2025 - October 18, 2025Migrated internal interface to React.js, improved page load speed; implemented reusable components with React and Tailwind CSS; integrated REST APIs; collaborated via Git/GitHub Pull Requests.
Hardware Technician at BonÀrea - Guissona, Spain
July 1, 2023 - October 18, 2025Maintenance and repair of hardware equipment; documented technical processes in Excel and office tools; assembled and configured computers and peripherals.
Web Developer at Aigües Segarra Garrigues
February 28, 2025 - February 28, 2025Migrated internal interface to React.js, improving page load speed. Implemented reusable components in React with ES6+ and Tailwind CSS, enhancing maintainability and consistency of the project. Integrated REST APIs using Git / GitHub with pull requests.
Hardware Technician at BonÀrea
July 31, 2023 - July 31, 2023Maintenance and repair of hardware equipment. Documented technical processes in Excel and office tools. Assembled and configured enclosures and peripherals.
Energy Advisor at Asesor Energético
August 31, 2025 - August 31, 2025Analysis and optimization of energy invoices for residential clients, identifying savings opportunities. Personalized advice on tariffs and contracts for electricity and gas. End-to-end management of paperwork for supplier changes.
Education
DAM – Desarrollo de Aplicaciones Multiplataforma at INS Alfonso Costa Fredda SMR – Sistemas Microinformáticos y Redes
January 1, 2023 - January 1, 2025Sistemas Microinformáticos y Redes at INS Alfonso Costa Fredda SMR
January 1, 2021 - January 1, 2023Frontend Technologies Training (React.js, Next.js, JavaScript ES6+, TypeScript, HTML5, CSS3) at Self-Study / Instituto no especificado
January 11, 2030 - October 18, 2025DAM – Desarrollo de Aplicaciones Multiplataforma at INS Alfonso Costa Fredda SMR – Sistemas Microinformáticos y Redes
January 1, 2023 - January 1, 2025Sistemas Microinformáticos y Redes at INS Alfonso Costa Fredda SMR
January 1, 2021 - January 1, 2023Qualifications
Industry Experience
Software & Internet, Media & Entertainment, Professional Services, Education, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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