Where

Senior Software Developer (Web3)

IQbusiness South Africa
Johannesburg Full-day Temporary

Description:

iqx the Technology Division of iqbusiness is seeking a Senior Software Developer with strong Web3 and blockchain experience to design, build, and scale decentralized and web-based applications. The ideal candidate is a hands-on engineer with deep technical expertise, a passion for emerging technologies, and the ability to deliver high-quality solutions in a fast-paced environment.

This role requires close collaboration with product, architecture, and security teams to develop secure, scalable, and user-centric platforms leveraging blockchain technologies.

Key Responsibilities

  • Design, develop, and maintain high-performance Web3 and full-stack applications

  • Build and deploy smart contracts and decentralized applications (dApps)

  • Integrate blockchain solutions with traditional web platforms and APIs

  • Ensure security, scalability, and performance best practices across all solutions

  • Conduct code reviews, mentor junior developers, and contribute to engineering best practices

  • Collaborate with cross-functional teams to translate business requirements into technical solutions

  • Stay current with emerging Web3 trends, protocols, and tools

Required Skills & Experience

  • Senior-level software development experience (7+ years preferred)

  • Strong experience in Web3 / Blockchain development

  • Proficiency in Solidity and smart contract development

  • Experience with Ethereum , Layer 2 solutions, or other blockchain platforms

  • Strong programming skills in JavaScript / TypeScript , Node.js , or similar

  • Experience building and consuming REST and/or GraphQL APIs

  • Solid understanding of cryptography, security, and decentralized architectures

  • Experience with cloud platforms and CI/CD pipelines

  • Ability to work independently and drive technical decisions.

Please Note:
As all iqbusiness roles require honesty in the handling of or access to cash, finances, financial systems, or confidential information; our recruitment process requires that the following background checks be completed: credit, criminal, ID, and qualification verification.

iqbusiness is committed to sustainable growth and transformation, we embrace diversity and employ previously disadvantaged individuals

Requirements:

  • Design, develop, and maintain high-performance Web3 and full-stack applications

  • Build and deploy smart contracts and decentralized applications (dApps)

  • Integrate blockchain solutions with traditional web platforms and APIs

  • Ensure security, scalability, and performance best practices across all solutions

  • Conduct code reviews, mentor junior developers, and contribute to engineering best practices

  • Collaborate with cross-functional teams to translate business requirements into technical solutions

  • Stay current with emerging Web3 trends, protocols, and tools

  • Senior-level software development experience (7+ years preferred)

  • Strong experience in Web3 / Blockchain development

  • Proficiency in Solidity and smart contract development

  • Experience with Ethereum , Layer 2 solutions, or other blockchain platforms

  • Strong programming skills in JavaScript / TypeScript , Node.js , or similar

  • Experience building and consuming REST and/or GraphQL APIs

  • Solid understanding of cryptography, security, and decentralized architectures

  • Experience with cloud platforms and CI/CD pipelines

  • Ability to work independently and drive technical decisions.

21 Jan 2026;   from: careers24.com

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