Senior Blockchain Developer (Smart Contracts Expert)

Placements24; Pietermaritzburg; Hybrid; ZAR 900,000 - 1,800,000; Full time

Job summary

Placements24 client in Pietermaritzburg, KwaZulu-Natal, is seeking a Senior Blockchain Developer to architect, build, and deploy advanced blockchain solutions. You will shape decentralized applications and contribute to the broader ecosystem, collaborating with product managers, designers, and engineers.

The role requires 5+ years software experience, with at least 3 years in blockchain, proficiency in Solidity, Vyper, or Rust, and hands-on work with Hardhat, Truffle, Web3.js, or Ethers.js.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or related field, or equivalent practical experience.
• Minimum of 5 years of professional software development experience, with at least 3 years in blockchain development.
• Proficiency in smart contract languages such as Solidity, Vyper, or Rust.
• Hands-on experience with blockchain frameworks and tooling (Hardhat, Truffle, Web3.js, Ethers.js).
• Strong understanding of distributed systems, cryptography, and consensus algorithms.
• Experience with developing and integrating APIs for decentralized applications.
• Familiarity with security vulnerabilities in smart contracts and mitigation best practices.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.

Responsibilities

• Design, develop, test, and deploy secure smart contracts on Ethereum, Binance Smart Chain, Polygon, and more.
• Architect and implement decentralized applications from conception to launch.
• Collaborate with product managers, designers, and engineers to define and deliver features.
• Conduct code reviews, security audits, and performance optimizations for contracts and dApp components.
• Stay updated on blockchain tech, consensus mechanisms, and cryptography.
• Contribute to infrastructure and tooling development for blockchain projects.
• Troubleshoot and resolve technical issues related to networks and applications.
• Mentor junior developers and share knowledge within the team.

Skills

Blockchain development

Smart contract development

Distributed systems

Cryptography

API integration

Problem solving

Communication

Education

Bachelor's/Master's in CS/Engineering

Tools

Hardhat

Truffle

Web3.js

Ethers.js

Job description

About the Role

Our client, a rapidly growing innovator in the decentralized finance space, is seeking a highly skilled and experienced Senior Blockchain Developer to join their dynamic team in Pietermaritzburg, KwaZulu-Natal . This pivotal role will involve architecting, developing, and deploying cutting-edge blockchain solutions that drive our company's mission forward. You will be instrumental in shaping the future of our decentralized applications and contributing to the broader blockchain ecosystem. The ideal candidate possesses a deep understanding of blockchain protocols, smart contract development, and a passion for pushing the boundaries of what's possible with distributed ledger technology. We are looking for a proactive problem-solver with a proven track record of delivering robust and scalable blockchain projects. This is an exceptional opportunity to make a significant impact in a fast-paced, forward-thinking organization.

Key Responsibilities

• Design, develop, test, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon).
• Architect and implement decentralized applications (dApps) from conception to launch.
• Collaborate with cross-functional teams, including product managers, designers, and other engineers, to define and deliver new features.
• Conduct thorough code reviews, security audits, and performance optimizations for smart contracts and dApp components.
• Stay abreast of the latest advancements in blockchain technology, consensus mechanisms, and cryptography.
• Contribute to the development of blockchain infrastructure and tooling.
• Troubleshoot and resolve complex technical issues related to blockchain networks and applications.
• Mentor junior developers and share knowledge within the team.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 5 years of professional experience in software development, with at least 3 years focused specifically on blockchain development.
• Proficiency in smart contract programming languages such as Solidity, Vyper, or Rust.
• Hands-on experience with blockchain frameworks and tools (e.g., Hardhat, Truffle, Web3.js, Ethers.js).
• Strong understanding of distributed systems, cryptography, and consensus algorithms.
• Experience with developing and integrating APIs for decentralized applications.
• Familiarity with common security vulnerabilities in smart contracts and best practices for mitigation.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.

Benefits

• Competitive salary package commensurate with experience.
• Comprehensive health, dental, and vision insurance.
• Opportunities for professional development and continuous learning in the rapidly evolving blockchain space.
• Generous paid time off and holidays.
• Be part of a collaborative and innovative work environment in Pietermaritzburg, KwaZulu-Natal .
• Potential for stock options in a high-growth startup.
• Regular team-building events and social activities.
• Access to the latest blockchain technology and development tools.