Blockchain Developer - Smart Contracts & dApps

Placements24; Gqeberha; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Performance bonuses

Medical aid

Retirement fund

Hybrid work model

Professional development

Job summary

Placements24 in Port Elizabeth, Eastern Cape, seeks a Blockchain Developer with strong experience in smart contracts and dApps. The role blends in-office collaboration with remote flexibility in a hybrid setup within South Africa.

You will design, test, and deploy secure smart contracts on EVM-compatible chains, build dApps, and integrate with front-end interfaces. A passion for blockchain and collaborative problem solving is essential.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a closely related field.
• Minimum of 3 years of professional software development experience, with at least 1.5 years focused on blockchain and smart contract development.
• Proficiency in Solidity and experience with EVM-compatible blockchains (e.g., Ethereum, Polygon).
• Understanding of blockchain concepts, including distributed ledger technology, consensus algorithms, and cryptography.
• Familiarity with blockchain development frameworks and tools (e.g., Truffle, Hardhat, Ganache).
• Experience with Web3.js or Ethers.js for front-end integration.
• Knowledge of Git for version control.
• Strong analytical and problem-solving skills.
• Good communication and teamwork skills.
• A genuine passion for blockchain technology and decentralized applications.

Responsibilities

• Design, develop, test, and deploy smart contracts using Solidity or Vyper.
• Build and maintain decentralized applications (dApps) that interact with blockchain networks.
• Integrate smart contracts with user interfaces and back-end services.
• Perform code reviews, security audits, and vulnerability assessments for smart contracts.
• Collaborate with product owners, designers, and other engineers to define project requirements and technical solutions.
• Optimize smart contract performance and gas efficiency.
• Troubleshoot and resolve issues related to smart contract deployment and dApp functionality.
• Stay current with emerging blockchain technologies, tools, and best practices.
• Contribute to the technical design and architecture of new blockchain projects.
• Document code, processes, and technical designs thoroughly.

Skills

Solidity

Vyper

Web3.js

Ethers.js

Git

Truffle

Hardhat

Ganache

Blockchain concepts

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Truffle

Hardhat

Ganache

Web3.js

Ethers.js

Job description

About the Role

Our client, a forward-thinking company in the Crypto & Blockchain sector, is seeking a talented Blockchain Developer with expertise in Smart Contracts and dApps to join their team in **Port Elizabeth, Eastern Cape**. This hybrid role allows for a balanced approach to work, combining in-office collaboration with remote flexibility. The successful candidate will be instrumental in designing, developing, and deploying secure and scalable decentralized applications and smart contracts on leading blockchain platforms. We are looking for a passionate coder with a solid understanding of blockchain principles and a desire to innovate within this exciting technological frontier. This is a fantastic opportunity to grow your career with a company dedicated to pushing the boundaries of blockchain technology.

Key Responsibilities

• Design, develop, test, and deploy smart contracts using languages like Solidity or Vyper.
• Build and maintain decentralized applications (dApps) that interact with blockchain networks.
• Integrate smart contracts with user interfaces and back-end services.
• Perform code reviews, security audits, and vulnerability assessments for smart contracts.
• Collaborate with product owners, designers, and other engineers to define project requirements and technical solutions.
• Optimize smart contract performance and gas efficiency.
• Troubleshoot and resolve issues related to smart contract deployment and dApp functionality.
• Stay current with emerging blockchain technologies, tools, and best practices.
• Contribute to the technical design and architecture of new blockchain projects.
• Document code, processes, and technical designs thoroughly.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a closely related field.
• Minimum of 3 years of professional software development experience, with at least 1.5 years specifically focused on blockchain and smart contract development.
• Proficiency in Solidity and experience with EVM-compatible blockchains (e.g., Ethereum, Polygon).
• Understanding of blockchain concepts, including distributed ledger technology, consensus algorithms, and cryptography.
• Familiarity with blockchain development frameworks and tools (e.g., Truffle, Hardhat, Ganache).
• Experience with Web3.js or Ethers.js for front-end integration.
• Knowledge of Git for version control.
• Strong analytical and problem-solving skills.
• Good communication and teamwork skills.
• A genuine passion for blockchain technology and decentralized applications.

Benefits

Our client offers a competitive salary, performance bonuses, and a comprehensive benefits package including medical aid and a retirement fund. The hybrid work model supports work-life balance, and the company encourages continuous learning and professional development. Opportunities to work on innovative projects within the crypto space are plentiful. Join our team in **Port Elizabeth** and be part of shaping the future of decentralized technology in **South Africa**.