Smart Contract Developer (Solidity)

Placements24; Bloemfontein; Hybrid; ZAR 344,000 - 482,000; Full time

Benefits offered by this job

Hybrid work model

Competitive hourly rate

Job summary

Placements24 is seeking a proficient Smart Contract Developer in Bloemfontein to design, build, and audit secure Solidity contracts for cutting-edge FinTech projects. You will implement core logic for blockchain-based financial applications and collaborate with backend and frontend teams to integrate contracts into dApps.

The role requires strong Solidity experience, familiarity with EVM, and experience with Truffle or Hardhat.

Qualifications

• Proven experience with Solidity smart contracts.
• Strong knowledge of the Ethereum Virtual Machine (EVM).
• Experience with frameworks like Truffle or Hardhat.
• Skilled in smart contract testing and audits.
• Understanding of blockchain and decentralized apps (dApps).
• Familiarity with secure coding practices.
• Bachelor's degree or equivalent practical experience.

Responsibilities

• Develop, test, and deploy Solidity smart contracts.
• Implement complex business logic within contracts for financial apps.
• Conduct security audits and vulnerability assessments.
• Optimize contracts for gas efficiency and performance.
• Collaborate with backend and frontend teams to integrate contracts.
• Write unit and integration tests for contracts.
• Stay updated on Ethereum and Solidity best practices.
• Troubleshoot and debug contract issues.
• Document code and functionality clearly.

Skills

Solidity

EVM

Smart contract testing

Security awareness

Blockchain fundamentals

Team collaboration

Education

BSc Computer Science or related

Tools

Truffle

Hardhat

Job description

About the Role

Our client, a dynamic FinTech company focused on revolutionizing digital payments, is seeking a proficient Smart Contract Developer with expertise in Solidity. This contract role, based in Bloemfontein, Free State , requires an individual capable of designing, developing, and auditing secure and efficient smart contracts. You will be instrumental in building the core logic for innovative financial applications on the blockchain. If you are a skilled Solidity developer looking for a challenging project with significant impact, this opportunity is for you.

Key Responsibilities

• Develop, test, and deploy secure and efficient smart contracts using Solidity.
• Implement complex business logic within smart contracts for financial applications.
• Conduct thorough security audits and vulnerability assessments of smart contracts.
• Optimize smart contracts for gas efficiency and performance.
• Collaborate with back-end and front-end developers to integrate smart contracts into dApps.
• Write comprehensive unit and integration tests for smart contracts.
• Stay updated with the latest developments in the Ethereum ecosystem and Solidity best practices.
• Troubleshoot and debug smart contract issues.
• Document smart contract code and functionality clearly.

Requirements

• Proven experience in developing smart contracts using Solidity.
• Strong understanding of the Ethereum Virtual Machine (EVM) and its operations.
• Familiarity with smart contract development frameworks such as Truffle or Hardhat.
• Experience with testing frameworks and tools for smart contracts.
• Knowledge of common smart contract vulnerabilities and secure coding practices.
• Understanding of blockchain principles and decentralized applications.
• Excellent problem-solving skills and attention to detail.
• Ability to work effectively in a collaborative environment.
• Bachelor's degree in Computer Science or a related field, or equivalent practical experience.

Benefits

As a contractor, you will receive a competitive hourly rate commensurate with your experience and expertise. This role offers the flexibility of a hybrid work model, combining remote work with occasional in-office collaboration in Bloemfontein, Free State . You'll gain valuable experience working on cutting-edge blockchain projects within a fast-paced FinTech environment and contribute directly to innovative financial products.