Hi, I’m Sina Colina, a UX/UI designer focused on interface creation, user research, and delivering digital solutions that optimize the user experience. I’m proficient in Design Thinking and Atomic Design, and I enjoy designing interactive prototypes and improving usability and accessibility. My teaching experience has strengthened my communication, adaptability, and leadership, which I apply to teamwork and technology education. I’m currently expanding my knowledge in Full Stack Development to effectively integrate design and technology into innovative digital solutions. I am passionate about turning complex problems into intuitive experiences and collaborating with cross-functional teams to ship impactful products. As I continue learning Full Stack Development, I aim to bridge design and engineering to create seamless, accessible, and scalable digital solutions for users and clients alike.

Sina Colina

Hi, I’m Sina Colina, a UX/UI designer focused on interface creation, user research, and delivering digital solutions that optimize the user experience. I’m proficient in Design Thinking and Atomic Design, and I enjoy designing interactive prototypes and improving usability and accessibility. My teaching experience has strengthened my communication, adaptability, and leadership, which I apply to teamwork and technology education. I’m currently expanding my knowledge in Full Stack Development to effectively integrate design and technology into innovative digital solutions. I am passionate about turning complex problems into intuitive experiences and collaborating with cross-functional teams to ship impactful products. As I continue learning Full Stack Development, I aim to bridge design and engineering to create seamless, accessible, and scalable digital solutions for users and clients alike.

Available to hire

Hi, I’m Sina Colina, a UX/UI designer focused on interface creation, user research, and delivering digital solutions that optimize the user experience. I’m proficient in Design Thinking and Atomic Design, and I enjoy designing interactive prototypes and improving usability and accessibility. My teaching experience has strengthened my communication, adaptability, and leadership, which I apply to teamwork and technology education. I’m currently expanding my knowledge in Full Stack Development to effectively integrate design and technology into innovative digital solutions.

I am passionate about turning complex problems into intuitive experiences and collaborating with cross-functional teams to ship impactful products. As I continue learning Full Stack Development, I aim to bridge design and engineering to create seamless, accessible, and scalable digital solutions for users and clients alike.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

Language

Spanish; Castilian
Advanced
English
Advanced

Work Experience

Lead Teacher at Lightwork Education
January 1, 2024 - Present
Designed and implemented educational activities tailored to students' needs, fostering a positive learning environment. Evaluated student performance and adjusted teaching strategies to enhance their development. Provided individualized support to students in their learning process. Applied innovative teaching methods to improve learning outcomes.
Mobile Application Developer at Wtr Way World
January 1, 2016 - Present
Built and maintained authentication and user role flows using Firebase Authentication and Cloud Firestore. Implemented Firebase authentication and integrated Cloud Firestore and Firebase Storage with secure security rules configuration. Fixed user account creation and role validation issues. Configured Android adaptive apps and prepared builds for Google Play Store submission. Performed QA testing, UI bug fixes, and emulator/device deployment (Android & iOS).
UX Audit & Design Feedback Intern at All PeeP
June 1, 2025 - July 1, 2025
Evaluated key functionalities of the All PeeP platform, identifying visual inconsistencies and usability issues. Conducted usability testing to uncover user pain points. Compared Figma designs with staging/production implementations. Reported UI/UX bugs with clear documentation and visual evidence. Proposed user-centered solutions based on heuristic principles. Delivered weekly reports with annotated screenshots and prioritized recommendations.

Education

Bootcamp UX/UI Design at Desafío Latam
March 1, 2024 - November 1, 2024
Bootcamp Full Stack Development at Desafío Latam
November 1, 2024 - February 25, 2026
UX/UI Design Course at Coder House
January 1, 2024 - February 25, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Media & Entertainment, Education, Professional Services, Other