Remote Senior Solidity Developer - DeFi Protocols

Placements24; Mtubatuba Local Municipality; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Fully remote

Professional development budget

Job summary

Placements24 in South Africa is seeking a Senior Solidity Developer to join a fully remote team. You will design, test, and deploy secure DeFi smart contracts on Ethereum and EVM-compatible chains, driving performance and security.

You will collaborate with product managers, researchers, and engineers remotely, implement complex DeFi protocols, conduct code reviews, and stay updated on security best practices. This role offers flexible remote work and exposure to Crypto & Blockchain innovations.

Qualifications

• Proven track record developing production-ready Solidity smart contracts.
• Strong understanding of DeFi concepts, protocols, and tokenomics.
• Expertise in Solidity language and EVM architecture.
• Experience with smart contract development frameworks (Hardhat, Truffle, Foundry).
• Proficiency in testing frameworks and tools for smart contracts.
• Solid understanding of blockchain fundamentals, cryptography, consensus mechanisms, and security.

Responsibilities

• Develop, test, and deploy secure and efficient smart contracts on Ethereum and other EVM-compatible chains.
• Design and implement complex DeFi protocols, including lending, borrowing, and exchange mechanisms.
• Collaborate closely with product managers, researchers, and other engineers in a fully remote setting.
• Write comprehensive unit, integration, and end-to-end tests for smart contracts and related systems.
• Conduct thorough code reviews and provide constructive feedback to team members.
• Optimize smart contracts for gas efficiency and performance.
• Research and stay updated on DeFi trends, tools, and security best practices.
• Troubleshoot and resolve issues in production smart contracts and dApps.
• Contribute to technical documentation and knowledge base of the team.
• Mentor junior developers and foster a culture of technical excellence.

Skills

Solidity

DeFi concepts

Analytical thinking

Remote collaboration

Tools

Hardhat

Truffle

Foundry

ethers.js

web3.js

Job description

About the Role

Our client, a globally recognized leader in decentralized finance (DeFi), is seeking an exceptional Remote Senior Solidity Developer to join their fully remote team. This is a unique opportunity to work from anywhere, contributing to the design and implementation of groundbreaking DeFi protocols. You will be responsible for writing, testing, and deploying high-quality, secure smart contracts that power the next generation of financial applications. This role demands a deep understanding of blockchain principles, a passion for DeFi, and the ability to thrive in a fast-paced, remote-first environment. If you are a talented Solidity developer looking for a challenging and rewarding career with a significant impact on the **Crypto & Blockchain** landscape, this position is ideal for you.

Key Responsibilities

• Develop, test, and deploy secure and efficient smart contracts on Ethereum and other EVM-compatible blockchains.
• Design and implement complex DeFi protocols, including lending, borrowing, and exchange mechanisms.
• Collaborate closely with product managers, researchers, and other engineers in a fully remote setting.
• Write comprehensive unit, integration, and end-to-end tests for smart contracts and related systems.
• Conduct thorough code reviews and provide constructive feedback to team members.
• Optimize smart contracts for gas efficiency and performance.
• Research and stay updated on the latest trends, tools, and security best practices in DeFi and smart contract development.
• Troubleshoot and resolve issues in production smart contracts and dApps.
• Contribute to the technical documentation and knowledge base of the team.
• Mentor junior developers and foster a culture of technical excellence.

Requirements

• Proven track record of developing and deploying production-ready Solidity smart contracts.
• Strong understanding of DeFi concepts, protocols, and tokenomics.
• Expertise in Solidity programming language and EVM (Ethereum Virtual Machine) architecture.
• Experience with smart contract development frameworks such as Hardhat, Truffle, or Foundry.
• Proficiency in testing frameworks and tools for smart contracts.
• Solid understanding of blockchain fundamentals, including cryptography, consensus mechanisms, and network security.
• Experience with web3 libraries (e.g., ethers.js, web3.js).
• Excellent problem-solving, analytical, and critical thinking skills.
• Strong self-discipline and time management skills, essential for a remote role.
• Effective communication skills via asynchronous and synchronous remote collaboration tools.
• Ability to work independently and proactively in a **fully remote** capacity.

Benefits

• Our client offers a highly competitive salary, performance bonuses, and potential equity or token grants.
• Comprehensive health insurance and a generous professional development budget are included.
• Enjoy the flexibility and autonomy of a **fully remote** role, working from anywhere.
• Join a pioneering company at the forefront of **Crypto & Blockchain** innovation, contributing to impactful DeFi solutions.
• Although the role is remote, the company often collaborates with teams near **Richards Bay, KwaZulu-Natal**, fostering a connection to local talent.