Remote Full-Stack Blockchain Developer

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

Benefits offered by this job

Competitive salary package

Fully remote work opportunity

DeFi/Web3 project exposure

Remote-first collaboration culture

Professional development budget

Job summary

Placements24 is seeking a talented Full-Stack Blockchain Developer for a fully remote role in South Africa. You will work across the stack—from smart contracts to front-end interfaces—building scalable DeFi/Web3 applications.

The ideal candidate has 4+ years in full-stack development with 2+ years in blockchain, strong Solidity skills, and proficiency in JavaScript frameworks (React/Vue) and Node.js/Python. Remote, national scope, with a focus on security and performance.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field or equivalent experience.
• 4+ years in full-stack development with at least 2 years in blockchain tech.
• Proficiency in Solidity.
• Strong front-end and back-end fundamentals (JavaScript, React/Vue.js, Node.js/Python).
• Familiarity with Web3 libraries (Ethers.js, Web3.js, Hardhat, Truffle).
• Understanding of blockchain concepts and RESTful APIs.

Responsibilities

• Design, develop, test, and deploy smart contracts on various platforms.
• Build and maintain front-end interfaces for decentralized apps.
• Develop back-end services and APIs that interact with blockchain networks.
• Integrate smart contracts with web applications and other systems.
• Optimize performance, scalability, and security of applications.
• Collaborate with product managers, designers, and developers in a remote setting.
• Mentor junior team members and participate in code reviews.
• Stay updated with blockchain tech and best practices.

Skills

Communication

Team collaboration

Problem solving

Independent work

Education

Bachelor's degree in CS/Engineering or related field

Tools

Solidity

JavaScript

React

Vue.js

Node.js

Python

Web3 libraries (Ethers.js, Web3.js)

Hardhat/Truffle

Job description

About the Role

Our client, a dynamic and innovative startup pushing the boundaries of decentralized finance (DeFi) and Web3 applications, is seeking a talented Full-Stack Blockchain Developer for a fully remote position. This is an exciting opportunity to contribute to the development of scalable, secure, and user-friendly decentralized applications from anywhere in South Africa. You will work across the entire stack, from smart contract development to front-end implementation, playing a key role in bringing our client’s vision to life. This remote‑first role emphasizes collaboration, autonomy, and a passion for building the future of the internet.

Key Responsibilities

• Design, develop, test, and deploy smart contracts on various blockchain platforms.
• Build and maintain user-friendly front-end interfaces for decentralized applications.
• Develop back-end services and APIs that interact with blockchain networks.
• Integrate smart contracts with web applications and other systems.
• Optimize application performance, scalability, and security.
• Collaborate closely with product managers, designers, and other developers in a remote setting.
• Conduct code reviews, contribute to technical discussions, and mentor junior team members.
• Stay current with the latest advancements in blockchain technology, Web3 development, and relevant programming languages.
• Troubleshoot and resolve complex technical issues across the full stack.

Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent demonstrable experience.
• Proven experience (4+ years) in full-stack development, with at least 2 years focused on blockchain technologies.
• Proficiency in smart contract languages such as Solidity.
• Strong experience with front-end technologies (e.g., JavaScript, React, Vue.js) and back-end development (e.g., Node.js, Python).
• Familiarity with Web3 libraries and tools (e.g., Ethers.js, Web3.js, Hardhat, Truffle).
• Understanding of blockchain principles, consensus mechanisms, and decentralized architectures.
• Experience with RESTful APIs and database management.
• Excellent problem-solving, debugging, and analytical skills.
• Strong communication and collaboration skills, essential for a remote team environment.
• Ability to work independently and manage time effectively in a remote setup.

Benefits

• Highly competitive salary package.
• Fully remote work opportunity, offering maximum flexibility.
• Opportunity to work on cutting‑edge DeFi and Web3 projects.
• Collaborative and inclusive team culture with a focus on remote work best practices.
• Generous professional development budget for courses, conferences, and certifications.
• Comprehensive health, dental, and vision insurance.
• Unlimited paid time off policy.
• Home office stipend to create an optimal work environment.
• Equity options in a high‑growth startup.