Blockchain Developer - Smart Contracts

Placements24; Paarl; On-site; ZAR 650,000 - 1,200,000; Full time

Benefits offered by this job

Health insurance

Career development opportunities

On-site office in Paarl

Job summary

Placements24 in Paarl, Western Cape, seeks a Blockchain Developer specializing in Smart Contracts. You will design, implement, and deploy secure contracts for decentralized apps, collaborating closely with engineering and product teams. Expect a hands-on role with emphasis on security, testing, and gas optimization.

The ideal candidate has a strong background in Solidity, Web3 tooling, and modern development frameworks, and is comfortable working on-site in Paarl.

Qualifications

• Bachelor’s degree in CS/SE or related field.
• Proven blockchain developer with emphasis on smart contracts.
• Proficiency in Solidity and familiarity with Ethereum concepts.
• Experience with test frameworks and security best practices.

Responsibilities

• Design, develop, test, and deploy smart contracts on Ethereum and Polygon.
• Write secure, efficient Solidity code and conduct unit/integration tests.
• Collaborate with product managers and developers to define requirements.
• Stay updated on smart contract security and optimize gas usage.
• Contribute to architecture and ensure compliance with standards.

Skills

Solidity

Web3

Problem solving

Teamwork

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Hardhat

Truffle

Foundry

Job description

About the Role

Our client, a dynamic force in the crypto and blockchain ecosystem, is seeking a talented Blockchain Developer with a specialization in Smart Contracts . This role is key to developing and deploying secure, efficient, and scalable smart contracts for our innovative decentralized applications. You will work closely with our engineering and product teams to bring cutting-edge blockchain solutions to life. This is an exceptional opportunity to contribute to a growing company at the forefront of technological advancement. Based in the scenic and historic town of Paarl, Western Cape, ZA , this position requires a dedicated on-site presence.

Key Responsibilities

• Design, develop, test, and deploy smart contracts on blockchain platforms like Ethereum and Polygon.


• Write high-quality, secure, and efficient code using languages such as Solidity.


• Collaborate with product managers and other developers to define smart contract requirements and features.


• Conduct thorough code reviews and implement unit and integration tests for smart contracts.


• Research and stay updated on the latest developments in smart contract security and best practices.


• Optimize smart contract performance and gas efficiency.


• Troubleshoot and debug issues related to smart contract execution.


• Contribute to the overall architecture and technical direction of our blockchain products.


• Ensure compliance with industry standards and security protocols.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field.


• Proven experience as a Blockchain Developer, with a strong focus on smart contract development.


• Proficiency in Solidity, the primary language for Ethereum smart contracts.


• Understanding of blockchain fundamentals, including consensus mechanisms and distributed ledgers.


• Experience with smart contract development frameworks such as Hardhat, Truffle, or Foundry.


• Familiarity with Web3 libraries and tools for interacting with the blockchain.


• Knowledge of common smart contract vulnerabilities and mitigation techniques.


• Strong analytical and problem-solving skills.


• Excellent communication and teamwork capabilities.

Benefits

We offer a competitive annual salary of R , commensurate with experience and qualifications. Our client provides a comprehensive benefits package including health insurance, retirement contributions, and opportunities for professional development. You will be part of an innovative team working on exciting projects within the crypto and blockchain industry, located in the beautiful region of Paarl, Western Cape, ZA . This is a chance to grow your career in a rapidly evolving technological landscape.