Software Engineer, Blockchain ​/ Web3

Build Scalable Web3 & Blockchain Products with a Global Remote Team

Remote (South Africa) | Market Related | SA Working Hours

About Our Client

Our client is a globally distributed software development company with teams spanning the U.S., France, Brazil, and Singapore. They specialize in crafting custom-built digital solutions across industries like blockchain, gaming, ecommerce, and enterprise systems.

From full-scale ERP platforms to innovative Web3 games, smart contracts, and decentralized applications, they are known for their commitment to clean architecture, performance, and meaningful global impact. Their remote-first culture values collaboration, autonomy, and cutting-edge technology.

The Role:

Software Engineer

As a Software Engineer, you will lead the development of scalable, blockchain-powered applications and smart contract solutions. You'll collaborate closely with a team of talented engineers and product leads to solve technical challenges and build high-impact digital products using modern technologies.

Key Responsibilities

• Lead the design and development of scalable smart contracts using Solidity or Rust
• Build and maintain Web3 applications, including token systems, wallet integrations, NFTs, and dApps
• Optimize smart contracts for gas efficiency, security, and audit-readiness
• Participate in architectural planning and technical decision-making
• Develop internal tools and libraries to enhance developer productivity
• Stay current on blockchain innovations, Layer 2 solutions, and security best practices
• Mentor junior engineers and contribute to team knowledge sharing

About You

• 4+ years as a senior or lead software engineer
• Strong experience with Solidity or Rust in smart contract development
• Deep understanding of blockchain and Web3 architecture
• Familiarity with Layer 2 solutions (Optimism, Arbitrum, Polygon)
• Skilled in Web3 tools (Hardhat, Truffle, Foundry, Metamask, Alchemy, Infura)
• Strong grasp of smart contract security best practices
• Independent, self-motivated, and thrives in a remote-first culture
• Previous CTO experience would be advantageous
• Competitive base salary with performance-based bonuses
• Paid vacation
• Company-provided laptop and personal development support