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Blockchain Developer | Codersbrain

full-time
Posted on September 10, 2025

Job Description

Blockchain Developer

Company Overview

CoinFantasy is a forward-thinking company focusing on blockchain solutions and cryptocurrency innovations.

Job Summary

The Blockchain Developer will play a crucial role in designing, developing, and implementing blockchain solutions that drive the success of CoinFantasy's ecosystem of products and protocols. This position requires contributions toward innovative projects that enhance the functionality and security of blockchain applications.

Responsibilities

  • Design, develop, and deploy blockchain solutions, including smart contracts, decentralized applications (dApps), tokenization systems, and protocol upgrades.
  • Write and audit secure smart contracts using Solidity or Rust for various token standards such as ERC-20, ERC-721, and SPL, as well as DeFi protocols and governance systems.
  • Research and implement tokenomics models, focusing on supply mechanics, vesting structures, and utility design.
  • Build and optimize multi-chain contracts for platforms such as Ethereum, Solana, Avalanche, and Hyperliquid, ensuring cross-chain interoperability.
  • Ensure contract security and gas efficiency by adhering to industry standards (such as EIPs, BPF) and identifying potential vulnerabilities.
  • Develop supporting APIs and microservices for seamless blockchain interaction.
  • Implement event-driven architectures for real-time on-chain data processing and optimize database schemas for effective blockchain data indexing.
  • Collaborate closely with business analysts and software developers to design and create innovative and functional blockchain solutions.
  • Research, document, and propose new blockchain structures and solutions.
  • Analyze company needs, resources, and challenges to provide effective blockchain solutions.
  • Contribute to open-source projects and manage collaborative codebases.
  • Stay updated on current blockchain technology and cryptocurrency trends.

Qualifications

  • Bachelor’s or Master’s Degree in Engineering, Information Technology, Computer Science, or a related field.
  • 3+ years of experience in software development with a focus on blockchain solutions.
  • Proficiency in blockchain development frameworks and tools such as Truffle, Remix, and Web3.js.
  • Strong programming skills in Solidity, Rust, or Golang, and familiarity with Node.js.
  • Knowledge of additional programming languages such as Java and C++.
  • Understanding of programming languages including Python, JavaScript, and others.
  • Strong back-end development skills.
  • Proficient in algorithms and data structures.
  • Basic knowledge of cryptography.
  • Familiarity with current technology tools like microservice architectures and Docker.

Preferred Skills

  • Additional experience with cloud services and deployment tools.
  • Understanding of blockchain yielding protocols and DeFi ecosystem.

Experience

  • Minimum 3 years of experience in relevant software development and blockchain solutions.

Environment

  • The work setting may include opportunities for remote, in-office, or hybrid work arrangements, adapting to company policy and project needs.

Salary

  • Salary details are currently not specified.

Growth Opportunities

  • Opportunities for professional growth within CoinFantasy are available based on performance and project involvement.

Benefits

  • Specific benefits are not mentioned, but potential offerings may include health insurance, paid time off, and possible professional development support.
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