Senior Blockchain Developer (Decentralized Finance)

Placements24; Durban; Hybrid; ZAR 2,141,000 - 3,129,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Paid time off

Professional development

Innovative work culture

Impact on DeFi

Home office stipend

Job summary

Placements24 is hiring a Senior Blockchain Developer for a fully remote role. You will design, build, and deploy secure smart contracts across multiple platforms and develop supporting dApps and backend services.

Ideal candidates have 5+ years in software development with 3+ years in blockchain and smart contracts, plus strong knowledge of Solidity, Rust or Vyper and DeFi protocols. Global remote collaboration is essential.

Qualifications

• Bachelor's or Master's in Computer Science, Engineering, or related field, or equivalent practical experience.
• 5+ years of software development with at least 3 years in blockchain/smart-contract development.
• Proficiency in Solidity, Rust or Vyper.

Responsibilities

• Design, develop, and implement smart contracts on Ethereum, Solana, Polygon using Solidity, Rust, or Vyper.
• Develop and maintain decentralized applications (dApps) and backend services.
• Integrate blockchain tech with existing financial systems and third-party APIs.
• Conduct code reviews, testing, and security audits for robustness of contracts and dApps.
• Collaborate with product, design and engineering teams to define new features.
• Optimize blockchain protocols and dApp performance for scalability and efficiency.
• Stay current with blockchain tech, cryptography, and DeFi trends.
• Troubleshoot and resolve complex blockchain deployment issues.
• Contribute to overall technical strategy and architecture.

Skills

Solidity

Rust

Vyper

Web3.js

Ethers.js

Truffle

Hardhat

Security

Education

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

Tools

Git

DevOps basics

Job description

About the Role

Our client, a rapidly expanding leader in the decentralized finance (DeFi) space, is seeking a highly skilled and experienced Senior Blockchain Developer to join their cutting-edge development team. This is a unique opportunity to contribute to the future of finance by designing, building, and deploying innovative blockchain solutions that are secure, scalable, and user-centric. As a fully remote position, you will collaborate with a global team of talented professionals, working from the comfort of your home office. We are committed to fostering a remote-first culture, ensuring seamless communication and collaboration across all time zones. The ideal candidate will possess a deep understanding of blockchain architecture, smart contract development, and the intricate workings of DeFi protocols. If you are passionate about blockchain technology and its transformative potential, and you thrive in a dynamic, remote environment, we encourage you to apply.

Key Responsibilities

• Design, develop, and implement smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon) using languages like Solidity, Rust, or Vyper.
• Develop and maintain decentralized applications (dApps) and their associated backend services.
• Integrate blockchain technology with existing financial systems and third-party APIs.
• Conduct thorough code reviews, testing, and security audits to ensure the robustness and safety of smart contracts and dApps.
• Collaborate with product managers, designers, and other engineers to define and implement new features.
• Optimize blockchain protocols and dApp performance for scalability and efficiency.
• Stay abreast of the latest advancements in blockchain technology, cryptography, and DeFi trends.
• Troubleshoot and resolve complex technical issues related to blockchain and dApp deployments.
• Contribute to the overall technical strategy and architecture of our client's blockchain initiatives.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Minimum of 5 years of professional experience in software development, with at least 3 years specifically focused on blockchain and smart contract development.
• Proficiency in smart contract programming languages such as Solidity, Rust, or Vyper.
• Strong understanding of blockchain fundamentals, consensus mechanisms, and distributed ledger technology.
• Experience with DeFi protocols, including but not limited to AMMs, lending platforms, and yield farming.
• Familiarity with web3 libraries and frameworks (e.g., Web3.js, Ethers.js, Truffle, Hardhat).
• Experience with version control systems (e.g., Git) and agile development methodologies.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities, especially in a remote team setting.
• Demonstrated ability to work independently and manage multiple priorities effectively.

Benefits

• Competitive salary package commensurate with experience.
• Comprehensive health, dental, and vision insurance.
• Generous paid time off and flexible working hours.
• Opportunities for professional development and continuous learning.
• A dynamic and innovative work environment with a focus on cutting-edge blockchain technology.
• The chance to make a significant impact on the future of decentralized finance.
• Home office stipend to ensure a productive remote work setup.