Software Engineer

The Legends Agency; Cape Town; Remote; ZAR 300,000 - 400,000; Full time

Job summary

A leading software development company is seeking a Software Engineer to lead the development of scalable blockchain-powered applications. The ideal candidate has over 4 years of experience, strong skills in Solidity or Rust, and thrives in a remote-first culture. Responsibilities include designing smart contracts, building Web3 applications, and mentoring junior engineers. The position offers competitive salary and benefits.

Benefits

Competitive base salary

Performance-based bonuses

Paid vacation

Company-provided laptop

Personal development support

Qualifications

• 4+ years as a senior or lead software engineer.
• Strong experience in smart contract development.
• Deep understanding of blockchain and Web3 architecture.

Responsibilities

• Lead the design and development of scalable smart contracts.
• Build and maintain Web3 applications.
• Optimize smart contracts for efficiency and security.

Skills

Solidity or Rust

Blockchain architecture

Web3 tools

Smart contract security best practices

Tools

Hardhat

Truffle

Metamask

Job description

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