Remote Senior Blockchain Engineer — DApps & Smart Contracts

Placements24; Vereeniging; Hybrid; ZAR 1,523,000 - 2,538,000; Full time

Benefits offered by this job

Health coverage

Retirement planning

Generous paid time off

Job summary

Placements24 is seeking a Senior Blockchain Engineer to join a remote-first engineering team. You will design, implement, and deploy secure blockchain infrastructure and dApps, collaborating closely with product and other engineers to deliver scalable features.

The role requires hands-on experience with Ethereum-compatible platforms (Ethereum, Polygon, Solana, or BSC) and Solidity/Rust smart contracts, plus backend skills (Node.js, Python, Go).

Qualifications

• Proven experience as a Blockchain Engineer with a portfolio of apps and contracts.
• Expertise in Ethereum, Polygon, Solana or BSC.
• Proficiency in Solidity and development environments like Hardhat or Truffle.
• Strong understanding of cryptography, distributed systems, and remote work ability.

Responsibilities

• Design, develop, and maintain core blockchain infrastructure and decentralized applications (dApps).
• Write clean, efficient, and well-documented smart contracts using Solidity or Rust.
• Collaborate with product managers, designers, and other engineers to define and implement new features and functionalities.
• Conduct code reviews, perform rigorous testing, and troubleshoot complex issues across different blockchain networks.
• Optimize application performance, scalability, and security.
• Research and integrate new blockchain technologies and protocols to enhance existing solutions.
• Contribute to architectural decisions and technical roadmap development.
• Mentor junior engineers and promote best practices in blockchain development.
• Participate actively in team discussions and contribute to a positive remote work culture.

Skills

Blockchain engineering

Smart contracts

Solidity

Rust

Backend development

Git & CI/CD

Remote work

Communication skills

Education

Bachelor's degree in Computer Science or Engineering or related field

Tools

Hardhat

Truffle

Git

CI/CD tools

Ethereum

Polygon

Solana

Binance Smart Chain

Job description

Placements24 is seeking a Senior Blockchain Engineer to join a remote-first engineering team. You will design, implement, and deploy secure blockchain infrastructure and dApps, collaborating closely with product and other engineers to deliver scalable features.

The role requires hands-on experience with Ethereum-compatible platforms (Ethereum, Polygon, Solana, or BSC) and Solidity/Rust smart contracts, plus backend skills (Node.js, Python, Go).