Jansen Castillo
Frontend Developer | iOS Mobile Engineer
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About
Detail-oriented Software Developer with 2 years of experience in designing and developing web and iOS mobile applications. Proficient in HTML, CSS, AngularJS, ReactJS, Java, Swift, and Objective-C. Skilled in software development methodologies and database management, with strong problem-solving abilities. Experienced in creating RESTful APIs for seamless frontend-backend communication and building user-friendly iOS applications focused on UI/UX and performance.
Experience
Experienced software developer with a strong background in full-stack and mobile application development, delivering scalable, high-performance solutions across web and mobile platforms. Skilled in Angular, React.js, MERN stack, Spring Boot, and iOS development, with expertise in designing and implementing responsive, user-friendly interfaces. Proficient in building and consuming RESTful APIs, ensuring seamless frontend-backend integration, and promoting code quality through testing, peer reviews, and documentation.
Demonstrated ability to collaborate effectively with cross-functional teams, gather requirements, and translate them into functional features, consistently contributing to high-impact projects in fast-paced environments.
Education
Bachelor of Information and Communications Technology majoring in Software Engineering
Singapore Institute of Technology (SIT), 2025
