Blockchain Technology Expert Lead

18 hours ago


Lahore, Punjab, Pakistan LastingSales Full time
Responsibilities

As a Sr. Blockchain Developer at LastingSales, your key responsibilities will include:
  1. Developing scalable and secure backend systems using Node.js and NestJS.
  2. Designing, developing, and deploying REST APIs with a strong focus on scalability and performance.
  3. Integrating and working with blockchain technologies such as ERC4337 (Account Abstraction), wallet providers, Axelar, and bridges.
  4. Building and optimizing systems that leverage DeFi protocols, DEX aggregators, and Solana.
  5. Implementing and maintaining smart contracts using Solidity, ensuring security and gas optimization.
  6. Utilizing blockchain libraries and tools (e.g., Web3.js, ethers.js, Truffle, Hardhat) for blockchain interactions.
  7. Collaborating with DevOps teams to manage deployments on AWS and other cloud infrastructures.
  8. Working with NoSQL databases like MongoDB for scalable data management.


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