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Hi! I’m Marcel, a Front-End / Full-Stack Developer specialising in clean, modern, and highly maintainable static websites. I currently build production-grade web interfaces at NCS, delivering performant, user-focused solutions for enterprise-scale systems. I write clean, well-structured HTML, CSS, and JavaScript, with a strong eye for detail and performance. I work comfortably with designers, stakeholders, and fixed timelines, and I provide smooth deployment and handover so projects remain easy to maintain long after delivery. I also create my own passion projects and you can view them on my website: _Website not available. Sign in: https://www.twine.net/signup_…Hi! I’m Marcel, a Front-End / Full-Stack Developer specialising in clean, modern, and highly maintainable static websites. I currently build production-grade web interfaces at NCS, delivering performant, user-focused solutions for enterprise-scale systems. I write clean, well-structured HTML, CSS, and JavaScript, with a strong eye for detail and performance. I work comfortably with designers, stakeholders, and fixed timelines, and I provide smooth deployment and handover so projects remain easy to maintain long after delivery. I also create my own passion projects and you can view them on my website: _Website not available. Sign in: https://www.twine.net/signup_

Marcel Yap Qi Long

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hi! I’m Marcel, a Front-End / Full-Stack Developer specialising in clean, modern, and highly maintainable static websites. I currently build production-grade web interfaces at NCS, delivering performant, user-focused solutions for enterprise-scale systems. I write clean, well-structured HTML, CSS, and JavaScript, with a strong eye for detail and performance. I work comfortably with designers, stakeholders, and fixed timelines, and I provide smooth deployment and handover so projects remain easy to maintain long after delivery. I also create my own passion projects and you can view them on my website: _Website not available. Sign in: https://www.twine.net/signup_…Hi! I’m Marcel, a Front-End / Full-Stack Developer specialising in clean, modern, and highly maintainable static websites. I currently build production-grade web interfaces at NCS, delivering performant, user-focused solutions for enterprise-scale systems. I write clean, well-structured HTML, CSS, and JavaScript, with a strong eye for detail and performance. I work comfortably with designers, stakeholders, and fixed timelines, and I provide smooth deployment and handover so projects remain easy to maintain long after delivery. I also create my own passion projects and you can view them on my website: _Website not available. Sign in: https://www.twine.net/signup_

Available to hire

Hi!
I’m Marcel, a Front-End / Full-Stack Developer specialising in clean, modern, and highly maintainable static websites.
I currently build production-grade web interfaces at NCS, delivering performant, user-focused solutions for enterprise-scale systems.
I write clean, well-structured HTML, CSS, and JavaScript, with a strong eye for detail and performance.
I work comfortably with designers, stakeholders, and fixed timelines, and I provide smooth deployment and handover so projects remain easy to maintain long after delivery.
I also create my own passion projects and you can view them on my website: Website not available. Sign in: https://www.twine.net/signup

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Full Stack Developer at NCS

September 1, 2024 - Present

Built frontend features for high-traffic enterprise systems using React + TypeScript, optimizing for performance and scalability. Implemented efficient state management (TanStack Query), improving reliability of data-driven components under concurrent usage. Designed reusable UI modules (Ant Design + Storybook), enabling faster iteration for large-scale business applications. Collaborated in Agile teams, improving CI/CD delivery speed and ensuring smooth rollouts of promotion-like features.

Data Visualisation Developer at Singapore Press Holdings (SPH)

March 1, 2024 - July 1, 2024

Developed interactive data visualisations with Three.js, optimising rendering pipelines for faster load times and smoother user interactions. Enhanced frontend performance and engagement, increasing platform session duration by 25%.

Full Stack Developer at PenguinSmart Inc. (Taiwan)

January 1, 2023 - July 1, 2023

Delivered dynamic, data-integrated UIs with React + GraphQL to handle high-volume real-time data, scaling usage by 200%. Improved site navigation and user flows for transaction-like operations, driving traffic up by 60%.