Results-driven front-end developer with strong expertise in React, Vue, and TypeScript, specializing in building dynamic, responsive web applications. At S&P Global, I contributed to real-time financial dashboards, optimized performance, and modernized legacy systems—improving user engagement by 20% and dashboard load times by 15%. I thrive at bridging design and functionality, creating seamless API integrations, and delivering scalable applications that prioritize user experience. Recognized with the H2 2022 Essential Excellence Award, I combine technical proficiency with a collaborative mindset to drive impactful, high-quality solutions. Key Experience Front-End Developer – S&P Global, Toronto, ON | 01/2022 – 12/2024 • Developed scalable, responsive web applications with React and Vue, enhancing data visualization. • Modernized legacy ASP.NET applications, improving front-end performance and user engagement. • Implemented infinite scroll, lazy loading, and optimized API interactions, reducing load times by 15%. • Received H2 2022 Essential Excellence Award for delivering data dashboards and analytics solutions. Full-Stack Developer – Onword, Toronto, ON | 08/2020 – 12/2021 • Built a business-focused social networking app using React, GraphQL, and Material UI. • Optimized performance through lazy loading and efficient image handling. • Managed API development with Express.js and MongoDB for real-time data handling.…

YONG KUK KIM

Results-driven front-end developer with strong expertise in React, Vue, and TypeScript, specializing in building dynamic, responsive web applications. At S&P Global, I contributed to real-time financial dashboards, optimized performance, and modernized legacy systems—improving user engagement by 20% and dashboard load times by 15%. I thrive at bridging design and functionality, creating seamless API integrations, and delivering scalable applications that prioritize user experience. Recognized with the H2 2022 Essential Excellence Award, I combine technical proficiency with a collaborative mindset to drive impactful, high-quality solutions. Key Experience Front-End Developer – S&P Global, Toronto, ON | 01/2022 – 12/2024 • Developed scalable, responsive web applications with React and Vue, enhancing data visualization. • Modernized legacy ASP.NET applications, improving front-end performance and user engagement. • Implemented infinite scroll, lazy loading, and optimized API interactions, reducing load times by 15%. • Received H2 2022 Essential Excellence Award for delivering data dashboards and analytics solutions. Full-Stack Developer – Onword, Toronto, ON | 08/2020 – 12/2021 • Built a business-focused social networking app using React, GraphQL, and Material UI. • Optimized performance through lazy loading and efficient image handling. • Managed API development with Express.js and MongoDB for real-time data handling.…

Available to hire

Results-driven front-end developer with strong expertise in React, Vue, and TypeScript, specializing in building dynamic, responsive web applications. At S&P Global, I contributed to real-time financial dashboards, optimized performance, and modernized legacy systems—improving user engagement by 20% and dashboard load times by 15%. I thrive at bridging design and functionality, creating seamless API integrations, and delivering scalable applications that prioritize user experience. Recognized with the H2 2022 Essential Excellence Award, I combine technical proficiency with a collaborative mindset to drive impactful, high-quality solutions.

Key Experience

Front-End Developer – S&P Global, Toronto, ON | 01/2022 – 12/2024
• Developed scalable, responsive web applications with React and Vue, enhancing data visualization.
• Modernized legacy ASP.NET applications, improving front-end performance and user engagement.
• Implemented infinite scroll, lazy loading, and optimized API interactions, reducing load times by 15%.
• Received H2 2022 Essential Excellence Award for delivering data dashboards and analytics solutions.

Full-Stack Developer – Onword, Toronto, ON | 08/2020 – 12/2021
• Built a business-focused social networking app using React, GraphQL, and Material UI.
• Optimized performance through lazy loading and efficient image handling.
• Managed API development with Express.js and MongoDB for real-time data handling.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
Korean
Fluent

Work Experience

Front-End Developer at S&P Global
December 1, 2024 - October 6, 2025
Developed scalable, responsive web applications using React and Vue to enhance data visualization and user experience. Revamped legacy ASP.NET applications with React and Vue, reducing front-end code complexity and improving rendering performance, contributing to a 20% increase in user engagement. Implemented infinite scroll and lazy loading, and designed API integrations with back-end services to improve real-time data rendering and dashboard performance by approximately 15%.
Front-End Developer at S&P Global
December 1, 2024 - October 6, 2025
Developed scalable, responsive web applications using React and Vue to enhance data visualization and user experience. Revamped legacy ASP.NET applications with modern front-end frameworks, reducing code complexity and improving rendering performance, increasing user engagement by 20%. Integrated SDKs and APIs to optimize financial data queries, implemented infinite scroll and lazy loading to improve load times, and designed API integrations with back-end services to reduce dashboard load times by 15%.
Full-Stack Developer at Onword
December 1, 2021 - October 6, 2025
Built a business-focused social networking app with React, GraphQL, Styled Components, and Material UI, ensuring responsiveness across devices. Optimized performance with lazy loading and image handling techniques, reducing load times. Managed API development with Express.js and MongoDB for real-time data handling.
Full-Stack Developer at Onword
December 1, 2021 - October 6, 2025
Built a business-focused social networking app using React, GraphQL, Styled Components, and Material UI; ensured responsive design across devices. Optimized application performance with lazy loading and efficient image handling, and managed API development with Express.js and MongoDB for real-time data handling.

Education

Bachelor of Technology at Seneca College
September 4, 2012 - January 1, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Media & Entertainment