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SW

Blockchain Developer

SwiftManassas, VA, US
Type
Contract
Work setup
On-site
Experience
Mid
Posted
13 days ago
$122k - $226k
midpoint below market median

What engineering roles in crypto pay

205 salaries · our own data
this role$144kmedian$255k

This role pays $122k-$226k, below the $202k median for engineering roles in crypto on this board.

As a Blockchain Developer at Swift, you design and develop blockchain-based applications and smart contracts that power the world's leading provider of secure financial messaging services. You work on decentralized systems across platforms like Ethereum, Solana, and Hyperledger Besu, contributing to Swift's mission to move value securely across borders and through the global financial ecosystem.

What you'll do

  • Design and develop blockchain-based applications and smart contracts
  • Build and maintain decentralized systems using platforms such as Ethereum, Solana, or Hyperledger Besu
  • Write secure, efficient smart contracts using languages like Solidity or Rust
  • Conduct code reviews, testing, debugging, and security audits
  • Optimize blockchain performance, scalability, and transaction efficiency
  • Integrate blockchain solutions with APIs, databases, and cloud services
  • Mentor junior developers and contribute to technical leadership
  • Stay updated on emerging blockchain technologies, protocols, and best practices

What you bring

  • 10 to 12 years of experience in systems development
  • A university degree in computer science or a related field, or equivalent work experience
  • Strong experience in blockchain development and distributed systems
  • Proficiency in Solidity, Rust, JavaScript/TypeScript, Go, or Python
  • A deep understanding of smart contracts, cryptography, consensus mechanisms, and Web3 technologies
  • Experience with frameworks and tools such as Hardhat, Truffle, and Foundry
  • Familiarity with DeFi, NFTs, wallets, and token standards including ERC-20 and ERC-721
  • Knowledge of security best practices and vulnerability mitigation
  • Experience with CI/CD pipelines, cloud platforms, and agile development

Nice to have

  • A Bachelor's or Master's degree in Computer Science or a related field
  • Contributions to open-source blockchain projects
  • Relevant blockchain certifications or published projects

What we offer

  • Estimated salary range of $121,564 to $225,762 USD annually, depending on job-related factors including knowledge, skills, experience, and location
  • Competitive base salary and bonus opportunity contingent on personal and company performance
  • Medical, dental, vision and life insurance with no premium costs for employees and their families
  • Retirement plan with 401k matching

About Swift

Swift is the world's leading provider of secure financial messaging services, headquartered in Belgium, serving a community of more than 12,000 banks and financial institutions across 200+ countries and legal territories. Swift moves value across borders, through cities and overseas, providing the reliable, safe and secure approach that the global financial community trusts.

Blockchain Developer | CryptoJobsHQ