Senior Blockchain Developer

Placements24; LegKraal Gate; Hybrid; ZAR 1,000,000 - 1,600,000; Full time

Benefits offered by this job

Fully remote work

Flexible hours

Global collaboration

Advanced development tools

Long-term engagement opportunities

Contribution to tech advancement

Disruptive industry exposure

Job summary

Placements24 is seeking a Senior Blockchain Developer to join a fully remote team driving secure, scalable decentralized applications. You will shape architecture, develop smart contracts, and implement cryptographic security across multiple platforms.

Ideal candidates have 5+ years of software development with at least 3 years in blockchain, and strong experience with Solidity, Rust or Vyper, plus Web3 tools. Remote SA candidates welcome.

Qualifications

• Bachelor's or Master's degree in CS/Engineering or equivalent practical experience.
• Minimum 5 years software development with at least 3 years in blockchain.
• Strong proficiency in Solidity, Rust or Vyper.
• Experience with Ethereum, Binance Smart Chain, Solana.
• Proficiency with Web3 libraries and tools.

Responsibilities

• Design, develop, and deploy secure and efficient smart contracts on Ethereum, Solana, Polygon.
• Build and maintain decentralized applications and related backend services.
• Contribute to architecture and design of new blockchain protocols and features.
• Implement cryptographic principles and security best practices.
• Integrate blockchain technology with existing systems and third-party applications.
• Write clean, well-documented, and testable code.
• Conduct code reviews and security audits for smart contracts and dApps.
• Collaborate with product managers, designers, and other developers to define requirements.
• Stay up-to-date with the latest advancements in blockchain technology and crypto.
• Troubleshoot and resolve complex issues in distributed systems.

Skills

Solidity/Rust/Vyper

Web3 libraries

Backend development

Distributed systems

Education

Bachelor's or Master's in CS/Engineering or equivalent

Tools

Web3.js

Ethers.js

Truffle

Hardhat

Node.js

Go

Python

IPFS

Job description

About the Role

Our client, a visionary leader in decentralized technology solutions, is seeking an exceptional Senior Blockchain Developer to join their pioneering, fully remote team. This is a unique opportunity to work at the forefront of blockchain innovation, contributing to the design and development of secure, scalable, and groundbreaking decentralized applications (dApps). You will be instrumental in shaping the architecture of blockchain protocols, smart contracts, and related infrastructure. Our client fosters a highly collaborative, results-driven, and remote-first culture, attracting top talent from across the globe. The ideal candidate will possess deep expertise in blockchain development, smart contract languages, cryptography, and distributed systems, coupled with a passion for decentralization and a proven ability to deliver complex projects. This role demands a self-starter who thrives in a dynamic and fast-paced environment, contributing significantly to the future of decentralized technology. As a fully remote position, we are looking for individuals who are highly organized, communicative, and adept at working autonomously within a virtual team structure. Embrace this chance to innovate and lead in the rapidly evolving blockchain landscape, working from anywhere in South Africa and making a global impact.

Key Responsibilities

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon).
• Build and maintain decentralized applications (dApps) and related backend services.
• Contribute to the architecture and design of new blockchain protocols and features.
• Implement cryptographic principles and security best practices to ensure the integrity of blockchain solutions.
• Integrate blockchain technology with existing systems and third-party applications.
• Write clean, well-documented, and testable code.
• Conduct thorough code reviews and security audits for smart contracts and dApps.
• Collaborate with product managers, designers, and other developers to define project requirements and deliverables.
• Stay up-to-date with the latest advancements and trends in blockchain technology and cryptocurrency.
• Troubleshoot and resolve complex technical issues in distributed systems.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related quantitative field, or equivalent practical experience.
• Minimum of 5 years of software development experience, with at least 3 years focused on blockchain development.
• Strong proficiency in smart contract development languages such as Solidity, Rust, or Vyper.
• Experience with popular blockchain platforms (e.g., Ethereum, Binance Smart Chain, Solana).
• Solid understanding of blockchain concepts, cryptography, distributed ledger technology, and consensus mechanisms.
• Experience with Web3 libraries and tools (e.g., Web3.js, Ethers.js, Truffle, Hardhat).
• Proficiency in backend development languages (e.g., Node.js, Go, Python).
• Experience with decentralized storage solutions (e.g., IPFS) is a plus.
• Strong understanding of security best practices for blockchain applications.
• Excellent problem-solving skills and the ability to work independently in a remote setting.
• Strong communication and collaboration skills.

Benefits

• Highly competitive contract rate commensurate with experience.
• Fully remote working arrangement with flexible hours.
• Opportunity to work on cutting-edge blockchain projects with significant impact.
• Collaborative and innovative global team environment.
• Access to advanced development tools and platforms.
• Potential for long-term engagement and further project opportunities.
• Contribution to the future of decentralized technologies.
• Professional growth and learning opportunities in a rapidly expanding field.
• Direct contribution to groundbreaking technological advancements.
• Be part of a forward-thinking and disruptive industry.