Rupayan C. Profile

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$15 USD / hour

jalpaiguri,

india

$15 USD / hour

It's currently 2:55 PM here

Joined June 29, 2017

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Rupayan C.

@rupayanc16

0.0

(0 reviews)

0.0

$15 USD / hour

jalpaiguri,

india

$15 USD / hour

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Experienced Product Engineer

I am a passionate Freelance Developer with over half a decade experience specializing in Product Development, Blockchain Technology and Web3 frameworks. With a solid foundation in overall product development, I am on a quest to contribute to projects that are at the forefront of the decentralized digital revolution. Areas of Specialization: - DApps - Ethereum, Polygon and other L2s - NFTs and Semi Fungible tokens - Secure Smart Contracts in Solidity using Foundry Framework - WebApps in Next.js/React - APIs in Node.js and Go - Mobile Apps in Flutter My goal is to ensure that my clients remain at the forefront of information transfer technologies, thereby contributing substantial value to their businesses. Contact me now to let me bring your ideas to life

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Portfolio

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- The NFT Genesis contract showcases use of both static and dynamic NFTs.
- IPFS-Backed Storage: Using IPFS, a kind of secure online storage, each NFT is kept safe and can't be tampered with. This way, everyone knows who owns the NFT and where it came from.
- Autonomous Deployment & Minting Scripts: With deployment and interaction scripts included, setting up the contracts and minting NFT is made simple, making it easy for both creators and collectors to get involved.

An NFT genesis contract

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- Developed the RCT Token utilizing the robust and widely-adopted ERC-20 token standard on the
Ethereum blockchain, ensuring compatibility with a variety of decentralized applications and wallets

RCT Token: A Standard ERC-20 Token on Ethereum Blockchain

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- Integrated ChainLink Verifiable Random Function (VRF) to ensure a fair, transparent, and tamperproof lottery drawing mechanism, significantly elevating the trust factor associated with the random
winner selection process.
- Conducted comprehensive test coverage.
- Developed automated scripts to seamlessly create and fund VRF subscriptions, thereby streamlining
the operational workflow and reducing manual intervention. This automation not only speeds up the
process but also reduces the likelihood of human errors, ensuring a smooth user experience

Decentralized Lottery Platform

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An NFT genesis contract

11383032

RCT Token: A Standard ERC-20 Token on Ethereum Blockchain

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Decentralized Lottery Platform

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Experience

Insynk Studios

Jul 2023 - Present

- Upgraded existing projects to increase performance and security - Building secure and optimized smart contracts in Polygon - Created starter templates for backend based on Hexagonal Architecture - Created C4 Architectural Diagrams for Projects using Structurizr

Geotech Infoservices Pvt Ltd

Mar 2021 - Present

- Gained expertise in the Insurance Domain and FinTech Industry to build successful Financial Grade APIs - Orchestrated efficient CI/CD pipelines utilizing Jenkins, resulting in streamlined deployment processes and improved code quality for 100% of the projects - Designed and built an Attribute-Based Access Control (ABAC) authorization system that provided secure and efficient access control for critical applications.