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Kristoffer Marin
Frontend | Blockchain | Mobile
  • Suggested rate
    €250 / day
  • Experience3-7 years
  • Response rate100%
  • Response time1 hour
The project will begin once you accept Kristoffer's quote.
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Location and workplace preferences
Hong Kong, Hong Kong
Can work onsite in your office in
  • Hong Kong and around (up to 50km)
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Kristoffer in a few words
Experienced Full Stack web & mobile developer with more than 10 years of practice and amazing experience in iOS/Android, React, Node, Rails, PHP, Python, C/C++, C# and ASP.NET.
I'm developing reliable, testable and high performance web and mobile applications using top-notch technologies.

Web technologies;
- Backend: PHP(Wordpress, Laravel), Node.js, Python/Django, Ruby on Rails, .NET
- Frontend: ReactJs, Angular, Vue.js, Backbone.js, Bootstrap, HTML5, CSS3
- Databases: MySQL, PostgreSQL, MongoDB, Redis

Blockchain Development:

• Smart Contract Development
• Solidity
• Cadence
• Substrate (Polkadot)
• Flow Blockchain
• NFT Marketplace
• Cross-Chain NFT Marketplace
• DeFi (Decentralized Finance)
• All-in-One Defi Dashboard
• ICO, IDO, STO, and ILO
• Safemoon Similar Platforms
• Remix
• Truffle
• Ethereum Chain
• Binance Smart Chain
• Stellar
• ...

Frontend Development:

• React.js
• Web3.js
• Ether.js
• Embark
• Drizzle

Mobile techs;
- Platforms: iOS, Android
- Languages(frameworks): Objective-C, Swift, Java, Kotlin, React Native, Flutter


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