Full-Stack Blockchain Engineer: Solidity & dApps

Placements24; Soweto; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Competitive salary

Health insurance

Hybrid work model

Professional development

Paid time off

Retirement plan

Modern development tools

Job summary

Placements24 in Soweto, Gauteng, ZA is seeking a dynamic Full Stack Blockchain Developer to join a fast-growing startup in the crypto space. You will work on both blockchain components (smart contracts, backend integration) and frontend interfaces for decentralized applications.

The role offers a hybrid work model, competitive salary, health insurance, and opportunities to grow alongside innovative projects in a supportive team.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 3+ years of full-stack development experience with 1-2 years in blockchain tech.
• Proficiency with HTML, CSS, JavaScript and modern front-end frameworks.
• Experience writing Solidity and understanding EVM.
• Familiarity with web3 libraries and blockchain interaction tools.
• Experience with backend languages (Node.js, Python, Go) and RESTful APIs.
• Knowledge of SQL/NoSQL databases.
• Strong problem-solving and collaboration skills.
• Portfolio of relevant projects is advantageous.

Responsibilities

• Develop and maintain both front-end and back-end components of dApps.
• Write, test, and deploy secure smart contracts in Solidity.
• Design UIs with modern frameworks (React, Vue.js, Angular).
• Integrate front-ends with blockchains using web3 libraries.
• Develop server-side logic and APIs to support dApp functionality.
• Collaborate with designers and product managers to implement features.
• Optimize applications for speed, scalability, and security.
• Conduct code reviews, testing, and debugging across the stack.
• Stay updated on blockchain trends and evolving technologies.
• Contribute to architectural decisions and development lifecycle.

Skills

Full-stack development

Blockchain technologies

Solidity

REST APIs

Web3 libraries

Frontend frameworks

Education

Bachelor's degree in Computer Science/Engineering

Tools

Solidity

Web3.js

Ethers.js

Node.js

Job description

Placements24 in Soweto, Gauteng, ZA is seeking a dynamic Full Stack Blockchain Developer to join a fast-growing startup in the crypto space. You will work on both blockchain components (smart contracts, backend integration) and frontend interfaces for decentralized applications.

The role offers a hybrid work model, competitive salary, health insurance, and opportunities to grow alongside innovative projects in a supportive team.