Senior Blockchain Engineer (Remote-First)

Placements24; Stellenbosch; Hybrid; ZAR 1,000,000 - 1,800,000; Full time

Benefits offered by this job

Remote work

Health benefits

Professional development allowances

Performance-based bonuses

Job summary

Placements24 is seeking a Senior Blockchain Engineer for a fully remote role. You will design, develop, and deploy scalable blockchain solutions with deep knowledge of distributed ledgers, smart contracts, and network architecture.

You will work with a global team to deliver robust features, mentor peers, and contribute to secure, high-performance systems while maintaining clear technical documentation.

Qualifications

• Bachelor's degree or equivalent practical experience.
• 5+ years software development with blockchain focus.
• Experience deploying smart contracts on Ethereum, BSC, or Polygon.
• Proficiency in Solidity, JavaScript/TypeScript, Go, or Rust.
• Understanding of distributed systems, cryptography, and consensus.
• Experience with Hardhat, Truffle, Web3.js.
• Cloud familiarity (AWS, GCP, Azure) is a plus.
• Excellent remote communication and collaboration.
• Ability to work independently and manage priorities.

Responsibilities

• Lead design and development of blockchain features and protocols.
• Write secure smart contracts in Solidity or Rust.
• Build and maintain dApps and backend services.
• Optimize networks for performance and security.
• Collaborate to define product roadmaps.
• Conduct code reviews and improve best practices.
• Troubleshoot complex issues across the stack.
• Mentor junior engineers and share knowledge.
• Contribute to documentation and knowledge sharing.

Skills

Blockchain development

Smart contracts

Solidity/Rust/JS

DApps & backend

Distributed systems

Web3.js/Hardhat/Truffle

Cloud platforms

Remote collaboration

Education

Bachelor's degree in CS or engineering

Equivalent practical experience

Tools

Hardhat

Truffle

Web3.js

Solidity

Go

Rust

AWS

GCP

Azure

Job description

About the Role

Our client is a rapidly growing leader in the blockchain technology sector, seeking a talented Senior Blockchain Engineer for a fully remote, remote-first position. You will be instrumental in designing, developing, and deploying robust and scalable blockchain solutions that power innovative applications. This role requires a deep understanding of distributed ledger technologies, smart contract development, and network architecture. As a remote-first employee, you'll be empowered to work autonomously while collaborating effectively with a global team. We are passionate about building the future of decentralized technology and seek individuals who share this vision. This is an exceptional opportunity to contribute to groundbreaking projects from the comfort of your home office.

Key Responsibilities

• Lead the design and development of new blockchain features and protocols.
• Write clean, efficient, and secure smart contracts using languages such as Solidity or Rust.
• Develop and maintain decentralized applications (dApps) and backend services.
• Optimize blockchain networks for performance, scalability, and security.
• Collaborate with product managers, designers, and other engineers to define and deliver product roadmaps.
• Conduct thorough code reviews and contribute to improving development best practices.
• Troubleshoot and resolve complex technical issues across the blockchain stack.
• Mentor junior engineers and share expertise within the team.
• Contribute to technical documentation and knowledge sharing initiatives.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
• 5+ years of professional software development experience, with a strong focus on blockchain technology.
• Proven experience in developing and deploying smart contracts on platforms like Ethereum, BSC, or Polygon.
• Proficiency in languages such as Solidity, JavaScript/TypeScript, Go, or Rust.
• Solid understanding of distributed systems, cryptography, and consensus mechanisms.
• Experience with blockchain development tools and frameworks (e.g., Hardhat, Truffle, Web3.js).
• Familiarity with cloud infrastructure (AWS, GCP, Azure) is a plus.
• Excellent communication and collaboration skills, particularly in a remote setting.
• Ability to work independently and manage priorities effectively.

Benefits

This is a fully remote, remote-first position offering a competitive salary of R per annum. Our client provides a comprehensive benefits package, including health and wellness support, professional development allowances, and performance-based bonuses. You'll have the flexibility to work from anywhere, enjoying a work-life balance tailored to your needs. We foster a culture of innovation, collaboration, and continuous learning, providing ample opportunities for career advancement in the exciting world of blockchain. Regular virtual team-building activities ensure a connected and supportive remote work experience.