Senior Blockchain Developer (Remote)

Placements24; Johannesburg; Hybrid; ZAR 900,000 - 1,700,000; Full time

Benefits offered by this job

Competitive salary

Fully remote work environment

Health, dental, vision insurance

Generous paid time off

Professional development opportunities

Virtual team-building

Job summary

Placements24 seeks a Senior Blockchain Developer to join a remote-first engineering team shaping the future of DeFi. You will design, develop, and deploy robust smart contracts and decentralized systems across platforms, collaborating with cryptographers and product managers.

The role requires deep expertise in Solidity and blockchain fundamentals, with experience in frameworks like Truffle, Hardhat, and Ganache. A strong backend scripting capability completes the profile.

Qualifications

• Proven experience as a Blockchain Developer or Smart Contract Engineer.
• Proficiency in smart contract development languages such as Solidity.
• Experience with blockchain frameworks and development tools (e.g., Truffle, Hardhat, Ganache).
• Solid understanding of blockchain principles, consensus mechanisms, and cryptographic concepts.
• Experience with at least one major blockchain platform (e.g., Ethereum, Binance Smart Chain, Polygon).
• Familiarity with web3.js, ethers.js, or similar libraries for interacting with blockchains.
• Proficiency in at least one backend programming language (e.g., Node.js, Python, Go).
• Strong problem-solving skills and the ability to work independently in a remote setting.

Responsibilities

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Polygon, Solana) using Solidity, Rust, or Vyper.
• Architect and implement scalable blockchain-based applications and decentralized systems.
• Conduct thorough code reviews, testing, and auditing of smart contracts to ensure security and prevent vulnerabilities.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Integrate blockchain components with existing backend systems and user interfaces.
• Research and stay abreast of the latest advancements in blockchain technology, cryptography, and decentralized protocols.
• Troubleshoot, debug, and upgrade existing blockchain infrastructure and applications.
• Mentor junior developers and contribute to the team's overall technical growth and knowledge sharing.

Skills

Smart contract

Solidity

Rust

Web3.js

Tools

Truffle

Hardhat

Ganache

Job description

About the Role

Our client, a rapidly expanding entity in the decentralized finance (DeFi) space, is seeking a highly skilled and motivated Senior Blockchain Developer to join their dynamic, remote-first engineering team. This is a unique opportunity to contribute to cutting-edge projects that are shaping the future of finance. You will be instrumental in designing, developing, and deploying robust blockchain solutions, working closely with a talented group of engineers, product managers, and cryptographers. As a fully remote role, you will have the flexibility to work from anywhere, collaborating asynchronously and synchronously with a global team. We are looking for an individual who is passionate about blockchain technology, possesses a strong understanding of smart contract development, and thrives in a collaborative, fast-paced environment. If you are ready to make a significant impact in the world of blockchain and crypto, this role is for you.

Key Responsibilities

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Polygon, Solana) using languages like Solidity, Rust, or Vyper.
• Architect and implement scalable blockchain-based applications and decentralized systems.
• Conduct thorough code reviews, testing, and auditing of smart contracts to ensure security and prevent vulnerabilities.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Integrate blockchain components with existing backend systems and user interfaces.
• Research and stay abreast of the latest advancements in blockchain technology, cryptography, and decentralized protocols.
• Troubleshoot, debug, and upgrade existing blockchain infrastructure and applications.
• Mentor junior developers and contribute to the team's overall technical growth and knowledge sharing.

Requirements

• Proven experience as a Blockchain Developer or Smart Contract Engineer.
• Proficiency in smart contract development languages such as Solidity.
• Experience with blockchain frameworks and development tools (e.g., Truffle, Hardhat, Ganache).
• Solid understanding of blockchain principles, consensus mechanisms, and cryptographic concepts.
• Experience with at least one major blockchain platform (e.g., Ethereum, Binance Smart Chain, Polygon).
• Familiarity with web3.js, ethers.js, or similar libraries for interacting with blockchains.
• Proficiency in at least one backend programming language (e.g., Node.js, Python, Go).
• Strong problem-solving skills and the ability to work independently in a remote setting.
• Excellent communication skills, with the ability to articulate complex technical concepts clearly.

Benefits

• Competitive salary package commensurate with experience.
• Opportunity to work on groundbreaking projects in the rapidly evolving crypto and blockchain industry.
• Fully remote work environment offering flexibility and work-life balance.
• Comprehensive health, dental, and vision insurance plans.
• Generous paid time off and public holidays.
• Professional development opportunities, including access to online courses and conferences.
• Regular virtual team-building activities and social events.
• Chance to be part of a forward-thinking and innovative company culture.