Senior Blockchain Developer - Decentralized Finance

Placements24; Randburg; Hybride; ZAR 1 200 000 - 1 800 000; Plein temps

Avantages offerts par ce poste

Hybrid work model

Career growth opportunities

Cutting-edge technology

Résumé du poste

Placements24 in Randburg, Gauteng, is seeking a Senior Blockchain Developer to design, build, and deploy secure DeFi smart contracts and dApps. The role blends in-office collaboration with remote flexibility in a hybrid arrangement.

You will work with Solidity, Hardhat or Truffle, review security, optimize gas, and collaborate with product and engineering teams to deliver innovative crypto financing products in a fast-paced fintech environment.

Qualifications

• Bachelor's degree or equivalent in a technical field.
• Proven track record as a blockchain developer with DeFi focus.
• Strong knowledge of Solidity and smart contract security patterns.

Responsabilités

• Architect, develop, and deploy secure smart contracts for DeFi protocols.
• Build and maintain robust decentralized applications (dApps).
• Integrate smart contracts with financial instruments and services.
• Optimize smart contract performance and gas efficiency.
• Conduct testing, code reviews, and security audits.

Connaissances

Solidity

DeFi expertise

Smart contract security

Hardhat / Truffle

Formation

Bachelor's degree in Computer Science or Engineering

Outils

Hardhat

Truffle

Description du poste

About the Role Our client, a fast-paced fintech company operating at the intersection of traditional finance and decentralized technologies, is seeking a highly skilled Senior Blockchain Developer. This role is based in our Randburg, Gauteng office, with a Hybrid work arrangement that balances in-office collaboration with remote flexibility. You will be instrumental in designing, developing, and deploying sophisticated smart contracts and decentralized applications (dApps) within the Decentralized Finance (DeFi) ecosystem. This is a prime opportunity to work on groundbreaking financial products and contribute to the evolution of digital finance in the Crypto & Blockchain space.

Key Responsibilities

• Architect, develop, and deploy secure and efficient smart contracts for DeFi protocols.
• Build and maintain robust decentralized applications (dApps).
• Integrate smart contracts with various financial instruments and services.
• Optimize smart contract performance and gas efficiency for production environments.
• Conduct rigorous testing, code reviews, and security audits for all developed solutions.
• Collaborate with product managers, designers, and other engineers to define and deliver innovative features.
• Stay abreast of the latest trends, protocols, and security best practices in the DeFi and blockchain space.
• Troubleshoot and resolve complex technical issues related to smart contracts and dApps.

Requirements

• Proven track record as a Senior Blockchain Developer with a strong focus on DeFi.
• Expertise in Solidity programming and experience with blockchain development frameworks (e.g., Hardhat, Truffle).
• Deep understanding of DeFi protocols (e.g., AMMs, lending protocols, stablecoins) and underlying economic principles.
• Experience with common smart contract vulnerabilities and mitigation strategies.
• Familiarity with token standards (ERC-20, ERC-721) and their implementation.
• Strong analytical and problem-solving skills.
• Excellent communication and collaboration abilities.
• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent experience.

Benefits

Our client offers a highly competitive salary, comprehensive benefits package, and exceptional opportunities for career advancement within the rapidly growing Crypto & Blockchain industry. You will enjoy the flexibility of a Hybrid work model, working on challenging and impactful projects in the heart of the DeFi revolution. Join a dynamic team in Randburg, Gauteng that values innovation, collaboration, and continuous learning. We provide a supportive work environment with access to cutting-edge technologies and professional development resources.