Over John
I am a Full-Stack and Blockchain Developer with a strong foundation in computer science and hands-on experience building complete web and Web3 solutions. I work across the full stack, developing modern, responsive frontends, scalable backend systems, secure APIs, and efficient databases. In blockchain development, I specialize in smart contracts, decentralized applications (DApps), wallet integrations, and Web3 protocols, with a strong focus on security, performance, and reliability. I combine technical depth with practical problem-solving to deliver high-quality, production-ready applications.
Engels
Tweetalig / moedertaal
Uitsluitend remote
Werkt voornamelijk remote
Werkervaring
- Nexlify SolutionsBlockchain DeveloperE-COMMERCEjuni 2023 - augustus 2025 (2 jaren en 2 maanden)Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia• • Designed and deployed smart contracts on Ethereum, improving transaction transparency for clients in the logistics sector.• • Led a team of 5 developers to build a decentralized application (DApp) for supply chain tracking, reducing operational costs by 15%.• • Integrated Web3.js to connect frontend interfaces with blockchain networks, enhancing user interaction with DApps.
- TechBit,Senior Full stack Developerjuli 2021 - mei 2023 (1 jaar en 10 maanden)George Town, PNG, Malaysia• • Developed and maintained full-stack applications using Node.js, React, and MongoDB for 10+ client projects.• • Led an Agile team of 6 developers, improving project delivery time by 25% through streamlined workflows.• • Designed RESTful APIs to integrate third-party services, enhancing application functionality for e-commerce platforms.• • Implemented CI/CD pipelines using Git and Docker, reducing deployment errors by 30%.• • Optimized database queries in MongoDB, improving application response time by 40% for high-traffic systems.
- Innovatech LabsJunior Front-End Developernovember 2018 - juni 2021 (2 jaren en 7 maanden)Johor Bahru, Johor, Malaysia• • Built responsive web interfaces using HTML, CSS, and JavaScript, improving user experience for 5 client websites.• • Collaborated with backend developers to integrate APIs, ensuring seamless data flow between frontend and backend systems.• • Utilized Angular to develop dynamic single-page applications, reducing page load times by 20%.• • Supported senior developers in debugging and resolving frontend issues, ensuring timely project delivery.
Aanbevelingen
Wees de eerste die John aanbeveelt
Help deze freelancer om te schitteren door te vertellen hoe het is om met hem of haar te werken.
Deze freelancerprofielen matchen ook met zoekopdracht.
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Opleidingen
- Bachelor in Computer ScienceAsia Pacific University2017Bachelor in Computer Science