Senior Blockchain Developer - Solidity Expert

Placements24; Noord-Kaap; Hybrid; ZAR 900,000 - 1,400,000; Full time

Benefits offered by this job

Hybrid work model

Groundbreaking blockchain projects

Professional development opportunities

Collaborative and innovative work-cale

Job summary

Placements24 in Kimberley (Northern Cape, ZA) seeks a Senior Blockchain Developer with deep Solidity expertise to design, develop, and deploy secure smart contracts and dApps. You will collaborate with product teams to specify requirements, review code, and stay ahead of DeFi innovations in a hybrid in-office/remote setup.

The role requires strong Solidity and EVM knowledge, familiarity with Web3 libraries, and a solid security mindset to drive scalable blockchain solutions.

Qualifications

• Proven experience as a Blockchain Developer with a focus on Solidity.
• Deep understanding of Ethereum Virtual Machine (EVM) and blockchain fundamentals.
• Experience with Web3 libraries (ethers.js, web3.js) and related tooling.
• Familiarity with development tools like Truffle, Hardhat, Ganache.
• Knowledge of security best practices for smart contracts and auditing.

Responsibilities

• Design, develop, test, and deploy secure smart contracts using Solidity.
• Architect and implement dApps and blockchain-based solutions.
• Collaborate with product managers and engineers to define specs.
• Conduct code reviews to ensure quality, security and best practices.
• Research latest blockchain advancements and DeFi trends.
• Troubleshoot complex issues in smart contracts and infrastructure.
• Contribute to technical strategy and roadmap for blockchain initiatives.
• Optimize contract performance and gas efficiency.
• Ensure compliance with security standards throughout development.

Skills

Solidity development

EVM understanding

Web3 libraries

Other languages (JS/Node.js/Python/Go)

Truffle/Hardhat/Ganache

Smart contract security

Problem solving

Communication & teamwork

Education

Bachelor's degree in CS/Engineering or related field

Tools

Truffle

Hardhat

Ganache

Job description

About the Role

Our client, a dynamic and forward-thinking company within the burgeoning crypto and blockchain space, is seeking an experienced Senior Blockchain Developer with a strong specialization in Solidity to join their innovative team. This is an exceptional opportunity to contribute to cutting-edge projects that are shaping the future of decentralized applications. You will be instrumental in designing, developing, and deploying smart contracts and decentralized systems that are both secure and scalable. The role is based in the vibrant city of Kimberley, Northern Cape, ZA, offering a blend of in-office collaboration and remote flexibility. We are committed to fostering a work environment where talent thrives and innovation is celebrated. This position demands a proactive individual who can navigate the complexities of blockchain technology and translate ambitious visions into tangible, high-quality code.

Key Responsibilities

• Design, develop, test, and deploy secure and efficient smart contracts using Solidity on various blockchain platforms.
• Architect and implement decentralized applications (dApps) and blockchain-based solutions.
• Collaborate closely with product managers, designers, and other engineers to define project requirements and technical specifications.
• Conduct code reviews to ensure code quality, security, and adherence to best practices.
• Research and stay abreast of the latest advancements in blockchain technology, cryptocurrencies, and decentralized finance (DeFi).
• Troubleshoot and resolve complex technical issues related to smart contracts and blockchain infrastructure.
• Contribute to the overall technical strategy and roadmap for blockchain initiatives.
• Optimize smart contract performance and gas efficiency.
• Ensure compliance with security standards and protocols throughout the development lifecycle.

Requirements

• Proven experience as a Blockchain Developer with a significant focus on Solidity development.
• Deep understanding of Ethereum Virtual Machine (EVM) and blockchain fundamentals.
• Experience with Web3 libraries and frameworks (e.g., ethers.js, web3.js).
• Proficiency in other programming languages like JavaScript, Node.js, Python, or Go is a plus.
• Familiarity with blockchain development tools and environments (e.g., Truffle, Hardhat, Ganache).
• Experience with security best practices for smart contract development and auditing.
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork abilities.
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Knowledge of other blockchain protocols (e.g., Polygon, Binance Smart Chain) is advantageous.

Benefits

• Competitive salary package.
• Hybrid work model promoting work-life balance.
• Opportunity to work on groundbreaking blockchain projects.
• Professional development and continuous learning opportunities.
• Collaborative and innovative work culture.
• Health and wellness programs.
• Generous leave policy.