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Karthik Nair

Blockchain Developer

Blockchain developer and Web3 enthusiast. Solidity, Ethereum, and DeFi protocols. Building the future of decentralized finance.

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Verifications

Account Verified
Proof-of-Work Verified

Developer Profile

Languages

Solidity
TypeScript
Rust

Frameworks

Hardhat
Ethers.js
OpenZeppelin
Anchor

Tools

Metamask
Alchemy
IPFS
The Graph
karthiknair
3+ years experience
Open to Work

Projects

defi-yield-aggregator

DeFi yield aggregator smart contracts with automated strategy switching across Aave and Compound

Solidity
Hardhat
TypeScript
Ethers.js
28035

defi-yield-aggregator

DeFi yield aggregator smart contracts with automated strategy switching across Aave and Compound

Solidity
Hardhat
TypeScript
Ethers.js
28035

nft-marketplace-contracts

Gas-optimized NFT marketplace contracts with royalty enforcement and lazy minting support

Solidity
OpenZeppelin
IPFS
19022

nft-marketplace-contracts

Gas-optimized NFT marketplace contracts with royalty enforcement and lazy minting support

Solidity
OpenZeppelin
IPFS
19022

Experience

Polygon

Smart Contract Developer

Polygon
Mar 2023 - Present(3 yrs)Remote
Contract
Remote

Developing DeFi protocols and smart contracts on Polygon zkEVM with $50M+ TVL.

  • •Audited and deployed 8 smart contracts with zero exploits
  • •Built yield aggregator protocol with $12M TVL
Solidity
TypeScript
Hardhat
ethers.js
zkEVM
ConsenSys

Blockchain Developer

ConsenSys
Jun 2021 - Feb 2023(1 yr 8 mos)Remote
Full-time
Remote

Built Ethereum tooling and MetaMask integration features.

  • •Contributed to MetaMask Snaps framework
  • •Developed cross-chain bridge verification system
Solidity
JavaScript
Web3.js
MetaMask

Work Samples

DeFi Yield Aggregator

DeFi Yield Aggregator

Yield aggregator protocol on Polygon with $12M TVL

Templates

Minimalist CV Template
Free

Minimalist CV Template

Single-page resume with clean typography and ATS-friendly design.

2894.5
resume
Minimalist CV Template
Free

Minimalist CV Template

Single-page resume with clean typography and ATS-friendly design.

2894.5
resume

Services & Pricing

Popular

Smart Contract Audit

Security audit of your Solidity smart contracts

₹8,000 / 1-2 weeks
  • Line-by-line code review
  • Vulnerability assessment
  • Gas optimization
  • Audit report with recommendations

Testimonials

“Karthik audited and deployed 8 smart contracts for our protocol without a single security incident. His understanding of DeFi economics combined with Solidity expertise is exceptional.”

SP

Shreyas Patel

DeFi Protocol Lead

via Twitter

“Great blockchain developer. Karthik built our yield aggregator from scratch and it has been running flawlessly with $12M TVL. Would definitely work with him again.”

RM

Rajan Menon

Founder, CryptoVault

via Direct
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