Senior Blockchain Developer - Decentralized Finance

Placements24; Midrand; Hybrid; ZAR 1,000,000 - 1,800,000; Full time

Benefits offered by this job

Health insurance

Hybrid work model

Professional development opportunities

Job summary

Placements24 represents a forward-looking client in Midrand, Gauteng, seeking a Senior Blockchain Developer. You will design, develop, and deploy secure smart contracts and dApps, shaping product roadmaps and ensuring scalable, secure solutions.

You will work with Ethereum-based frameworks like Truffle and Hardhat, leveraging your knowledge of the EVM and DeFi concepts to deliver innovative financial technology. Hybrid in-office/remote work supports work-life balance.

Qualifications

• Proven experience as a Blockchain Developer or Senior Software Engineer with a focus on blockchain.
• Strong proficiency in Solidity and smart contract development.
• Experience with Ethereum-based frameworks like Truffle or Hardhat.
• Deep knowledge of the Ethereum Virtual Machine (EVM) and security best practices.
• Familiarity with DeFi protocols and cryptography concepts.
• Version control experience with Git; strong problem-solving and teamwork skills.

Responsibilities

• Design, develop, and implement secure smart contracts on Ethereum-compatible platforms.
• Develop and maintain dApps and blockchain-based protocols.
• Write robust, well-documented, and testable code.
• Collaborate with cross-functional teams to define and ship features.
• Conduct code reviews and improve development practices.
• Optimize performance and ensure scalability for growing user bases.
• Troubleshoot blockchain infrastructure and dApp issues.
• Stay updated on blockchain tech and security advancements.

Skills

Blockchain development

Solidity

Truffle

Hardhat

EVM knowledge

DeFi protocols

Cryptography basics

Git

Problem solving

Communication

Tools

West

Job description

About the Role

Our client, a pioneering force in the decentralized finance (DeFi) ecosystem, is seeking an experienced and visionary Senior Blockchain Developer to join their dynamic team in Midrand, Gauteng. This is an exceptional opportunity to contribute to the future of finance by designing, developing, and deploying cutting-edge blockchain solutions. You will be instrumental in shaping our client's product roadmap and ensuring the scalability, security, and efficiency of their decentralized applications. The ideal candidate possesses a deep understanding of smart contract development, consensus mechanisms, and the broader blockchain landscape. You will collaborate closely with product managers, designers, and other engineers to bring innovative ideas to life. This role offers a stimulating work environment with opportunities for professional growth and the chance to work on projects that are redefining financial services.

Key Responsibilities

• Design, develop, and implement secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Polygon).
• Develop and maintain decentralized applications (dApps) and blockchain-based protocols.
• Write robust, well-documented, and testable code.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Conduct thorough code reviews and contribute to improving development best practices.
• Optimize application performance and ensure scalability for a growing user base.
• Troubleshoot and resolve technical issues related to blockchain infrastructure and dApps.
• Stay abreast of the latest advancements in blockchain technology and security.

Requirements

• Proven experience as a Blockchain Developer or Senior Software Engineer with a focus on blockchain.
• Strong proficiency in smart contract programming languages such as Solidity.
• Experience with blockchain frameworks like Truffle, Hardhat, or similar.
• In-depth knowledge of Ethereum Virtual Machine (EVM) and its architecture.
• Familiarity with common DeFi protocols and concepts.
• Understanding of cryptography principles and security best practices.
• Experience with version control systems, particularly Git.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork abilities.
• A passion for decentralized technologies and financial innovation is highly desirable.

Benefits

Our client offers a competitive remuneration package, including a generous salary and performance-based bonuses. Employees will have access to ongoing professional development opportunities, including conferences and training in the rapidly evolving blockchain space. You will be part of a forward-thinking company culture that values innovation and collaboration. This Midrand, Gauteng-based role provides a blend of in-office and remote work flexibility, ensuring a healthy work-life balance. Other benefits include comprehensive health insurance and opportunities for career advancement within a rapidly growing industry.