Remote Senior Blockchain Engineer

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

About the Role

Our client, a globally recognized leader in decentralized application development, is seeking a highly accomplished Senior Blockchain Engineer to join their fully remote team. This position, supporting operations ideally based in Welkom, Free State , offers the opportunity to work on groundbreaking projects without geographical constraints. You will be instrumental in designing, developing, and deploying robust blockchain solutions and decentralized systems. This role requires a deep understanding of various blockchain protocols, smart contract development, and distributed ledger technologies. If you are a self-motivated engineer passionate about the future of Web3 and thrive in a remote-first environment, this is the perfect opportunity for you.

Key Responsibilities

• Design, develop, and maintain scalable and secure blockchain architectures and decentralized applications (dApps).
• Write, test, and deploy high-quality smart contracts using languages like Solidity, Rust, or Go.
• Collaborate closely with product managers, designers, and other engineers to define and implement new features.
• Optimize blockchain performance, transaction speed, and gas efficiency.
• Conduct code reviews, provide technical feedback, and mentor junior engineers.
• Stay updated on the latest trends and advancements in blockchain technology, including L2 scaling solutions and interoperability protocols.
• Troubleshoot and resolve complex technical issues across the blockchain stack.
• Contribute to the overall technical strategy and roadmap for our client's blockchain initiatives.
• Ensure the security and integrity of all blockchain-related systems.

Requirements

• Minimum of 5 years of professional experience in software engineering, with at least 3 years focused on blockchain development.
• Proficiency in smart contract programming languages such as Solidity, Rust, or Go.
• Strong understanding of blockchain principles, consensus algorithms, and decentralized ledger technologies (DLTs).
• Experience with popular blockchain platforms like Ethereum, Polygon, or Solana.
• Familiarity with Web3 development tools and libraries (e.g., Web3.js, Ethers.js, Hardhat, Truffle).
• Experience with distributed systems and microservices architecture.
• Excellent problem-solving, debugging, and analytical skills.
• Proven ability to work independently and manage projects effectively in a remote setting.
• Strong communication skills and the ability to articulate technical concepts clearly.
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Benefits

As a fully remote role, you will enjoy unparalleled flexibility. Our client offers a highly competitive salary, a comprehensive benefits package including health and wellness programs, and generous paid time off. Opportunities for professional growth include access to online courses, certifications, and virtual conferences. You will be part of an innovative, global team collaborating on the cutting edge of Web3 technology from the comfort of your own home.