Senior Software Engineer - Blockchain

Placements24; Soweto; Hybrid; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Token-based compensation

Health insurance

Remote-first

Professional development

Job summary

Placements24 is seeking a Senior Software Engineer with blockchain expertise to design, develop, and deploy scalable dApps and smart contracts in a remote-first setup. You will collaborate with a distributed team of engineers and product managers to push the boundaries of decentralized finance.

The role emphasizes Solidity and Rust development, cryptography, and modern tooling (Truffle, Hardhat, Web3.js). You’ll own technical design, code reviews, and contribute to secure, high-performance

Qualifications

• Bachelor's or Master's in Computer Science, Engineering, or related field.
• 5+ years software development with at least 2 years on blockchain.
• Proficient in Solidity, Rust, or equivalent.
• Experience with Truffle, Hardhat, Web3.js.
• Solid knowledge of cryptography and distributed ledger tech.

Responsibilities

• Design and implement smart contracts on Ethereum, Solana, and more.
• Build scalable, high-performance dApps.
• Write secure, well-documented code and perform reviews.
• Collaborate with front-end teams to integrate UI with dApps.
• Stay updated on blockchain tech and cryptography.

Skills

Blockchain development

Smart contracts

Solidity

Rust

Web3.js

Cryptography

Education

Bachelor's or Master's in CS/Engineering

Tools

Truffle

Hardhat

Ethereum tooling

Cloud platforms

Job description

About the Role

Our client, a disruptive force in the decentralized finance (DeFi) sector, is seeking a highly skilled and innovative Senior Software Engineer with expertise in blockchain technology . This is a fully remote role where you will play a pivotal role in designing, developing, and deploying scalable and secure decentralized applications (dApps) and smart contracts. You will collaborate with a talented, distributed team of engineers and product managers to push the boundaries of what's possible in finance. If you are passionate about blockchain and looking to make a significant impact in a cutting-edge, remote-first environment, this is the opportunity for you.

Key Responsibilities

• Design, develop, and implement smart contracts on various blockchain platforms (e.g., Ethereum, Solana).
• Build and maintain scalable, high-performance decentralized applications (dApps).
• Write clean, efficient, secure, and well-documented code adhering to best practices.
• Collaborate with front-end developers to integrate dApps with user interfaces.
• Participate in code reviews, technical design discussions, and architectural decisions.
• Stay current with the latest developments in blockchain technology, cryptography, and decentralized systems.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 5+ years of professional software development experience, with at least 2 years focused on blockchain development.
• Proficiency in smart contract languages such as Solidity, Rust, or equivalent.
• Experience with blockchain frameworks and tools (e.g., Truffle, Hardhat, Web3.js).
• Strong understanding of cryptography, consensus mechanisms, and distributed ledger technologies.
• Experience with APIs, microservices architecture, and cloud platforms is a plus.

Benefits

• Competitive salary and potential for token-based compensation.
• Fully remote work arrangement with global team collaboration.
• Comprehensive health insurance benefits.
• Generous professional development and learning opportunities.
• Opportunity to shape the future of decentralized finance.