Antonio Ruiz
Senior Frontend Engineer
*******.****.**@*****.*** • +63-966-***-**** • Makati City, Kalakhang Maynila, Philippines PROFESSIONAL SUMMARY
Senior Frontend Engineer with over 9 years of experience specializing in React and TypeScript development. Proven ability to design scalable architectures, optimize web performance, and incorporate AI tools to enhance productivity and code quality. Achieved a 25% improvement in load times and responsiveness through performance optimizations and UI/UX enhancements.
TECHNICAL SKILLS
Programming Languages: TypeScript, HTML, CSS
Frameworks & Libraries: React, Angular
Tools & Practices: WebPack, NPM, Jest, React Testing Library, REST APIs, JWT, AI development tools, CI/CD Databases:
Cloud & DevOps: GitHub, GitHub Actions, Jira, Linear, Datadog Mobile Development:
Data Engineering:
AI & Machine Learning: AI development tools
PROFESSIONAL EXPERIENCE
Senior Frontend Engineer May 2023 – Present
SDLC Corp Makati City, Philippines
• Led development of high-performance React applications, achieving a 25% improvement in load times and user responsiveness.
• Designed scalable frontend architectures with React and TypeScript, ensuring maintainability across multiple projects.
• Collaborated with product teams to translate business requirements into intuitive user interfaces, enhancing user satisfaction.
• Utilized AI-assisted development tools to accelerate feature implementation and code refactoring, increasing productivity.
• Optimized web applications for maximum speed and responsiveness across browsers and devices, reducing bounce rates.
• Developed reusable component libraries using React, promoting code consistency and reducing development time.
• Maintained high code quality through rigorous unit and integration testing with Jest and React Testing Library.
• Integrated RESTful APIs to enable real-time data updates, improving application interactivity.
• Participated in code reviews and mentoring, elevating team coding standards and knowledge sharing. Frontend Developer May 2019 – Apr 2023
Adventus Makati City, Philippines
• Built and maintained modular React components, supporting rapid UI development and consistency across projects.
• Implemented UI/UX micro-interactions to improve user engagement and overall interface quality.
• Contributed to frontend build pipelines with Webpack and NPM, streamlining deployment workflows.
• Automated repetitive tasks using AI tools, reducing manual effort and increasing code quality.
• Ensured cross-browser compatibility and responsiveness on multiple devices, elevating user experience.
• Reviewed code and collaborated with backend teams to ensure API integrations met performance standards.
• Wrote comprehensive unit and integration tests to support continuous delivery and deployment. Junior Web Developer Aug 2017 – Apr 2019
Full Scale Cebu, Philippines
• Fixes and enhancements for existing React components to improve functionality and UI consistency.
• Developed new features based on detailed specifications, ensuring timely delivery within sprint cycles.
• Participated in testing and debugging to resolve frontend issues and maintain high standards.
• Updated documentation and collaborated with QA to ensure robust feature implementation.
• Maintained and refactored legacy code to improve performance and readability. EDUCATION
De La Salle University
Manila, Philippines
Bachelor of Science in Computer Science
2013 – 2017
LANGUAGES
English – Fluent Filipino - Native