iqx the Technology Division of iqbusiness is seeking an experienced Senior MERN Stack Software Developer to join our team on a 12-month contract. The ideal candidate will have strong expertise in MongoDB, Express.js, React.js, and Node.js, with a proven track record of building scalable, high-performance web applications. This is a fully onsite role based in Sandton.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using the MERN stack
• Build robust RESTful APIs and microservices using Node.js and Express.js
• Develop responsive, user-friendly front-end interfaces using React.js
• Work with MongoDB to design schemas, optimize queries, and manage data effectively
• Collaborate with cross-functional teams including product owners, designers, and QA
• Write clean, maintainable, and well-documented code
• Participate in code reviews and mentor junior developers
• Troubleshoot, debug, and enhance application performance
• Ensure application security, scalability, and reliability

Required Skills & Experience

• 7+ years of software development experience
• Strong proficiency in:
  • MongoDB
  • Express.js
  • React.js
  • Node.js
• Solid understanding of JavaScript (ES6+) and TypeScript (advantageous)
• Experience with RESTful API development and integration
• Familiarity with version control tools such as Git
• Experience with modern front-end build tools and frameworks
• Strong problem-solving and analytical skills