Senior Full-Stack Blockchain Developer - DeFi Specialist

Placements24; Pretoria; Hybrid; ZAR 1,200,000 - 1,600,000; Full time

Benefits offered by this job

Health insurance

Professional development opportunities

Hybrid work arrangement

Job summary

Placements24 in Pretoria, South Africa, seeks a Senior Full-Stack Blockchain Developer to lead front-end and back-end work, with a strong emphasis on smart contracts and DeFi integration. You will contribute to building innovative financial products on the blockchain in a dynamic team environment.

Join a rapidly growing fintech that values collaboration, security, and scalable architectures. The role offers a hybrid work setup and opportunities for professional growth in a cutting-edge DeFi

Qualifications

• Bachelor's degree in Computer Science or equivalent practical experience.
• Proven experience as a Full-Stack Developer with blockchain/DeFi focus.
• Proficiency in Solidity and smart contract development.
• Experience with blockchain development frameworks like Truffle and Hardhat.
• Strong knowledge of DeFi protocols, ERC-20 and ERC-721 standards.
• Proficiency in front-end (React/Vue/Angular) and back-end (Node.js/Python/Go).
• Experience with RESTful APIs and Git.

Responsibilities

• Develop, test, and deploy secure smart contracts for DeFi applications.
• Build and maintain scalable back-end services for decentralized apps.
• Design and implement intuitive UI for blockchain-based products.
• Integrate smart contracts with front-end apps and external APIs.
• Collaborate with product managers and designers to translate requirements into features.
• Optimize performance and user experience.
• Conduct code reviews and mentor junior developers.
• Stay updated with blockchain/DeFi trends.

Skills

Blockchain & DeFi

Smart contract development

Solidity

Frontend frameworks

Backend languages

RESTful APIs

Git

Team collaboration

Education

Bachelor's degree in Computer Science

Tools

Truffle

Hardhat

Job description

About the Role

Our client, a rapidly expanding fintech company at the forefront of decentralized finance (DeFi), is searching for a talented Senior Full-Stack Blockchain Developer to join their team in Pretoria, Gauteng . This role is ideal for a developer with a passion for building innovative financial products on the blockchain. You will be responsible for both front-end and back-end development, with a strong emphasis on smart contract implementation and integration with DeFi protocols. This is a challenging and rewarding opportunity to contribute to the future of finance in a dynamic and collaborative environment.

Key Responsibilities

• Develop, test, and deploy secure smart contracts for various DeFi applications.
• Build and maintain scalable back-end services for decentralized applications.
• Design and implement intuitive and responsive user interfaces for blockchain-based products.
• Integrate smart contracts with front-end applications and external APIs.
• Collaborate with product managers, designers, and other engineers to translate requirements into functional features.
• Optimize application performance, scalability, and user experience.
• Conduct code reviews, provide technical guidance, and mentor junior developers.
• Stay updated with the latest trends and advancements in blockchain, DeFi, and smart contract development.
• Troubleshoot and resolve complex technical issues across the full stack.

Requirements

• Proven experience as a Full-Stack Developer with a significant focus on blockchain and DeFi.
• Proficiency in smart contract development languages (e.g., Solidity).
• Experience with blockchain development frameworks (e.g., Truffle, Hardhat).
• Strong understanding of DeFi protocols, token standards (e.g., ERC-20, ERC-721), and financial primitives.
• Proficiency in front-end technologies (e.g., React, Vue.js, Angular) and back-end technologies (e.g., Node.js, Python, Go).
• Experience with RESTful APIs and web services.
• Familiarity with version control systems (Git).
• Excellent problem-solving abilities and a proactive attitude.
• Strong communication and collaboration skills.
• Bachelor's degree in Computer Science or a related field, or equivalent practical experience.

Benefits

Our client offers a competitive salary and a comprehensive benefits package, including health insurance and opportunities for professional development. You will work in a modern office environment in Pretoria, Gauteng , with the flexibility of hybrid work arrangements. This role provides the chance to be part of a rapidly growing company shaping the future of financial technology. Join a team of passionate innovators and make a real impact in the exciting world of DeFi.