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MERN Developer & Blockchain Developer (Web3)

Full time
Remote
USD120000 - 180000 yearly

Job Requirements

Hires in

United States

Employment Type

Full time

Company Location

United States

Salary

120000 - 180000 USD yearly

About Us
PeptideScore.com is an emerging platform at the intersection of data analytics, modern web technologies, and blockchain. Our mission is to build a scalable and innovative product that leverages decentralized technologies to deliver real-world value.

 

1. Full-Stack MERN Developer

Responsibilities

  • Design, build, and maintain scalable web applications using MongoDB, Express.js, React, and Node.js
  • Develop and integrate RESTful APIs and third-party services
  • Ensure application performance, security, and responsiveness
  • Collaborate with cross-functional teams including designers and blockchain developers

Requirements

  • Proven experience with the MERN stack
  • Strong understanding of API development and authentication (JWT/OAuth)
  • Experience with cloud platforms (AWS, GCP, or similar)
  • Familiarity with Git and modern development workflows

 

2. Blockchain Developer (Web3 / Smart Contracts)

Responsibilities

  • Develop and integrate blockchain-based features into the platform
  • Write and deploy smart contracts
  • Collaborate closely with frontend and backend teams

Requirements

  • Experience with Solidity and Ethereum or EVM-compatible blockchains
  • Knowledge of cryptocurrency/payment integrations
  • Understanding of blockchain security best practices

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