Senior Blockchain Developer - Smart Contract Specialist

Placements24; Vereeniging; Hybrid; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Health insurance

Stock options

Hybrid work model

Professional development

Job summary

Placements24 is seeking a Senior Blockchain Developer to lead secure smart contract design and deployment in Vereeniging, Gauteng. You will drive architecture, security audits, and integration with front-end and back-end systems, shaping our client's crypto initiatives.

You will mentor junior engineers, stay ahead of blockchain trends, and contribute to end-to-end project delivery in a collaborative, fast-paced environment. Hybrid work setup available in Gauteng with competitive compensation.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering or a related field.
• Minimum 5 years of software development with at least 3 years on blockchain.
• Proficiency in Solidity, Rust or Vyper.
• Strong understanding of blockchain fundamentals and cryptography.

Responsibilities

• Design, develop, and deploy secure smart contracts on Ethereum, BSC and other platforms.
• Conduct code reviews and security audits for smart contracts.
• Collaborate with product managers to define requirements for smart contracts.
• Integrate smart contracts with front-end and back-end applications.
• Optimize gas usage and performance of smart contracts.
• Stay updated with blockchain technology best practices.
• Mentor junior developers and contribute to team growth.
• Participate in full software development lifecycle from concept to deployment.
• Troubleshoot and resolve blockchain interaction issues.

Skills

Solidity

Rust

Web3.js

Ethers.js

Truffle/Hardhat

Blockchain security

Git

DApp architecture

Smart contract audits

Team mentorship

Education

Bachelor's or Master's in CS/Engineering

Tools

Git

Truffle/Hardhat

Web3.js

Ethers.js

Solidity tooling

Job description

About the Role Our client, a forward-thinking entity at the forefront of blockchain innovation, is seeking a highly skilled and experienced Senior Blockchain Developer to join their dynamic team. This pivotal role will be based in Vereeniging, Gauteng. The ideal candidate will possess a deep understanding of decentralized technologies and a proven track record in developing secure and efficient smart contracts. You will be instrumental in shaping the future of our client's decentralized applications, working on cutting-edge projects that redefine industry standards. This is an exceptional opportunity to contribute to a rapidly evolving sector and grow your career within a supportive and innovative environment. The company is committed to fostering a collaborative culture where creativity and technical excellence are highly valued. Your expertise will directly impact the success of our client's ambitious roadmap and market penetration strategies in the cryptocurrency and blockchain space.

Key Responsibilities

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Binance Smart Chain).
• Conduct thorough code reviews and security audits for smart contracts to identify and mitigate potential vulnerabilities.
• Collaborate with product managers and other developers to define smart contract requirements and specifications.
• Integrate smart contracts with front-end and back-end applications.
• Optimize smart contract performance and gas usage.
• Stay up-to-date with the latest developments and best practices in blockchain technology and smart contract development.
• Mentor junior developers and contribute to the team's technical growth.
• Participate in the full software development lifecycle, from concept to deployment and maintenance.
• Troubleshoot and resolve issues related to smart contract execution and blockchain interactions.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• Minimum of 5 years of professional experience in software development, with at least 3 years focused on blockchain and smart contract development.
• Proficiency in smart contract programming languages such as Solidity, Rust, or Vyper.
• Strong understanding of blockchain fundamentals, consensus mechanisms, and cryptography.
• Experience with decentralized application (dApp) architecture and development.
• Familiarity with Web3 libraries and frameworks (e.g., Web3.js, Ethers.js, Truffle, Hardhat).
• Experience with version control systems like Git.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork abilities.
• Demonstrable experience with blockchain security best practices.

Benefits

• Competitive salary package commensurate with experience.
• Comprehensive health, dental, and vision insurance.
• Opportunities for professional development and continuous learning in the crypto and blockchain field.
• A vibrant and collaborative work environment in Vereeniging, Gauteng.
• Generous paid time off and holidays.
• Potential for performance-based bonuses and stock options.
• Exposure to groundbreaking projects and technologies.
• Remote work flexibility with a hybrid model to balance work and personal life.
• Access to state-of-the-art development tools and resources.