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Malt Strategy
John SmithJS

John Smith

Blockchain Developer

€347/day
Amsterdam, NL
3-7 years
Blockchain
React.js
Typescript
JavaScript
Next.js

Average response time: 1 hour

About 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.

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Nexlify Solutions
    Blockchain Developer
    E-COMMERCE
    June 2023 - August 2025 (2 years and 2 months)
    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 Developer
    July 2021 - May 2023 (1 year and 10 months)
    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 Labs
    Junior Front-End Developer
    November 2018 - June 2021 (2 years and 7 months)
    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.
Check out John's experience

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Education

  • Bachelor in Computer Science
    Asia Pacific University
    2017
    Bachelor in Computer Science

Skill set

MongoDB
Wordpress
Smart Contract

Categories