Smart Contract Auditor & Developer

Placements24; Bloemfontein; Presencial; ZAR 344.000 - 620.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive hourly rate

Office in Bloemfontein

Hands-on blockchain projects

Descripción de la vacante

Placements24 in Bloemfontein, Free State, is seeking a Smart Contract Auditor & Developer to ensure the security and reliability of contracts across Ethereum-compatible chains. You will audit code, identify vulnerabilities, and help craft secure contracts for DeFi, NFTs, and DAOs.

The role involves writing tests, collaborating with developers, and staying up-to-date with security practices. Located in Bloemfontein, this contractor role offers exposure to cutting-edge blockchain projects.

Formación

• Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
• Demonstrated experience in smart contract development, particularly with Solidity on Ethereum or compatible chains.
• Proven experience in auditing smart contracts or performing security reviews of blockchain code.
• Strong understanding of common smart contract vulnerabilities and attack vectors.
• Familiarity with blockchain development frameworks (e.g., Hardhat, Truffle, Foundry).

Responsabilidades

• Conduct thorough security audits of smart contracts written in Solidity and other relevant languages.
• Identify vulnerabilities, bugs, and potential exploits in smart contract code.
• Provide detailed audit reports with clear explanations of findings and recommended fixes.
• Develop secure and efficient smart contracts for various blockchain applications (e.g., DeFi, NFTs, DAOs).
• Write comprehensive unit tests and integration tests for smart contracts.
• Collaborate with development teams to implement security improvements and best practices.
• Stay current with the latest smart contract development techniques, security risks, and audit methodologies.
• Contribute to the improvement of internal audit tools and processes.
• Assist in the deployment and verification of smart contracts on mainnet.

Conocimientos

Smart contract security

Analytical thinking

Communication of findings

Educación

Bachelor's degree in CS/SE or related field

Herramientas

Hardhat

Truffle

Foundry

Descripción del empleo

About the Role

Our client, a prominent blockchain development studio, is seeking a skilled Smart Contract Auditor & Developer to join their team in Bloemfontein, Free State. This role is essential for ensuring the security, efficiency, and reliability of smart contracts deployed on various blockchain platforms. You will be responsible for meticulously reviewing smart contract code, identifying potential vulnerabilities, and providing actionable recommendations for improvement. Additionally, you will contribute to the development of new smart contracts and decentralized applications, applying your expertise to build secure and innovative solutions. This is a fantastic opportunity for a detail-oriented individual to play a critical role in the security and functionality of cutting‑edge blockchain projects. You will work closely with a talented team of developers and blockchain enthusiasts, contributing to a collaborative and innovative environment right here in Bloemfontein.

Key Responsibilities

• Conduct thorough security audits of smart contracts written in Solidity and other relevant languages.


• Identify vulnerabilities, bugs, and potential exploits in smart contract code.


• Provide detailed audit reports with clear explanations of findings and recommended fixes.


• Develop secure and efficient smart contracts for various blockchain applications (e.g., DeFi, NFTs, DAOs).


• Write comprehensive unit tests and integration tests for smart contracts.


• Collaborate with development teams to implement security improvements and best practices.


• Stay current with the latest smart contract development techniques, security risks, and audit methodologies.


• Contribute to the improvement of internal audit tools and processes.


• Assist in the deployment and verification of smart contracts on mainnet.

Requirements

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


• Demonstrated experience in smart contract development, particularly with Solidity on Ethereum or compatible chains.


• Proven experience in auditing smart contracts or performing security reviews of blockchain code.


• Strong understanding of common smart contract vulnerabilities and attack vectors.


• Familiarity with blockchain development frameworks (e.g., Hardhat, Truffle, Foundry).


• Knowledge of formal verification methods is a plus.


• Experience with security analysis tools for smart contracts.


• Excellent analytical, problem‑solving, and critical thinking skills.


• Ability to communicate complex technical findings clearly and concisely.


• Based in Bloemfontein, Free State , or willing to relocate.

Benefits

• This contractor role offers a competitive hourly rate commensurate with experience.


• You will gain invaluable experience working on diverse and exciting blockchain projects.


• Our client provides a supportive team environment and opportunities to enhance your skills in smart contract security and development.


• This position is based in our offices in Bloemfontein, Free State, offering direct collaboration with a dedicated team.


• While this is a contract role, there is potential for long‑term engagement based on performance and project needs.