Remote Senior Blockchain Engineer: Web3 Innovator

Placements24; Bloemfontein; Hybrid; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Flexible remote work

Health and wellness programs

Paid time off

Professional development

Job summary

Placements24 is seeking an experienced Senior Blockchain Engineer for a fully remote role. You will design, develop, and deploy scalable blockchain solutions, contributing to decentralized applications and distributed systems.

The ideal candidate has 5+ years in software engineering with 3+ years in blockchain, strong Solidity/Rust/Go skills, and hands-on experience with Ethereum/Polygon/Solana. Excellent communication and remote-work proficiency required.

Qualifications

• Minimum 5 years of software engineering experience, with at least 3 years in blockchain development.
• Proficiency in Solidity, Rust, or Go smart contract programming.
• Strong understanding of blockchain principles, consensus algorithms and DLTs.
• Experience with Ethereum, Polygon or Solana.
• Familiarity with Web3 development tools and libraries (Web3.js, Ethers.js, Hardhat, Truffle).
• Experience with distributed systems and microservices architecture.
• Ability to work independently in a remote setting and communicate effectively.

Responsibilities

• Design, develop, and maintain scalable blockchain architectures and dApps.
• Write, test, and deploy high-quality smart contracts in Solidity, Rust, or Go.
• Collaborate with product managers and engineers to implement new features.
• Optimize blockchain performance, gas efficiency, and transaction throughput.
• Mentor junior engineers and conduct code reviews.
• Stay updated on L2 scaling and interoperability trends.
• Troubleshoot complex issues across the blockchain stack.
• Contribute to the technical strategy and roadmap.

Skills

Blockchain development

Solidity

Rust

Go

Web3 tools

Distributed systems

Remote work

Communication

Education

Bachelor's degree in Computer Science or Engineering

Tools

Web3.js

Ethers.js

Hardhat

Truffle

Job description

Placements24 is seeking an experienced Senior Blockchain Engineer for a fully remote role. You will design, develop, and deploy scalable blockchain solutions, contributing to decentralized applications and distributed systems.

The ideal candidate has 5+ years in software engineering with 3+ years in blockchain, strong Solidity/Rust/Go skills, and hands-on experience with Ethereum/Polygon/Solana. Excellent communication and remote-work proficiency required.