Smart Contract Developer

Placements24; Gqeberha; Hybrid; ZAR 550,000 - 850,000; Full time

Benefits offered by this job

Token-based compensation

Flexible remote work

Health benefits

Growth opportunities

Job summary

Placements24 is seeking a Smart Contract Developer to design, test, and deploy secure contracts for decentralized applications. You will work remotely with a Port Elizabeth–based team, focusing on Solidity, EVM, and best practices.

The role requires 2+ years in software development with at least 1 year in smart contracts, knowledge of Hardhat/Truffle/Foundry, and a strong security mindset. You’ll collaborate across backend and frontend teams and stay current with blockchain tech.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience.
• 2+ years of software development experience, with at least 1 year in smart contract development.
• Proficiency in Solidity and experience with the Ethereum Virtual Machine (EVM).
• Experience with development frameworks such as Hardhat, Truffle, or Foundry.
• Understanding of blockchain fundamentals, cryptography, and consensus mechanisms.
• Experience with testing frameworks for smart contracts.
• Knowledge of common smart contract vulnerabilities and mitigations.
• Basic understanding of web3 libraries (ethers.js, web3.js).
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.

Responsibilities

• Develop, test, and deploy secure and efficient smart contracts on blockchain platforms (e.g., Ethereum, Polygon).
• Write clean, maintainable, and well-documented code following best practices.
• Collaborate with backend and frontend developers to integrate smart contracts into dApps.
• Perform thorough code reviews and security audits of smart contracts to identify vulnerabilities.
• Contribute to design and architecture of new blockchain features and protocols.
• Stay up-to-date with latest developments in smart contract technologies, security, and best practices.
• Troubleshoot and debug issues related to smart contract execution and deployment.
• Participate in team meetings, code reviews, and contribute to technical discussions.
• Research and evaluate new blockchain platforms and tools for potential use.
• Ensure smart contract logic aligns with business requirements and tokenomics.

Skills

Solidity

Smart contracts

EVM

Web3

Education

Bachelor's degree in CS or related

Tools

Hardhat

Truffle

Foundry

Job description

About the Role

Our client, an innovative startup focused on building decentralized applications for supply chain management, is seeking a skilled Smart Contract Developer to join their growing team. You will play a crucial role in designing, developing, testing, and deploying secure and efficient smart contracts that form the backbone of their dApp ecosystem. This role requires a strong understanding of blockchain principles, proficiency in smart contract languages, and a keen eye for detail to ensure the security and integrity of the code. This is an exciting opportunity to contribute to a transformative project from the ground up, working remotely but connecting with a team based in Port Elizabeth .

Key Responsibilities

• Develop, test, and deploy secure and efficient smart contracts on blockchain platforms (e.g., Ethereum, Polygon).
• Write clean, maintainable, and well-documented code following best practices.
• Collaborate with backend and frontend developers to integrate smart contracts into decentralized applications (dApps).
• Perform thorough code reviews and security audits of smart contracts to identify and mitigate vulnerabilities.
• Contribute to the design and architecture of new blockchain features and protocols.
• Stay up-to-date with the latest developments in smart contract technologies, security, and best practices.
• Troubleshoot and debug issues related to smart contract execution and deployment.
• Participate in team meetings, code reviews, and contribute to technical discussions.
• Research and evaluate new blockchain platforms and tools for potential use.
• Ensure smart contract logic aligns with business requirements and tokenomics.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 2 years of professional experience in software development, with at least 1 year focused on smart contract development.
• Proficiency in Solidity and experience with the Ethereum Virtual Machine (EVM).
• Familiarity with smart contract development frameworks such as Hardhat, Truffle, or Foundry.
• Understanding of blockchain fundamentals, including distributed ledgers, cryptography, and consensus mechanisms.
• Experience with testing frameworks for smart contracts.
• Knowledge of common smart contract vulnerabilities and mitigation strategies.
• Basic understanding of web3 libraries (e.g., ethers.js, web3.js).
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.

Benefits

• Competitive salary and potential for token-based compensation.
• Opportunity to work on innovative dApp projects in the supply chain industry.
• Flexible remote work arrangement.
• Comprehensive health and wellness benefits.
• Supportive and collaborative team environment.
• Professional growth and learning opportunities.
• Be part of a company shaping the future of decentralized supply chain solutions, with ties to Port Elizabeth .
• Regular team sync-ups and virtual social events.