Senior MERN Stack Engineer — Onsite Sandton

IQ Business Group; Sandton; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

IQ Business Group is seeking an experienced Senior MERN Stack Software Developer for a 12-month contract. The role focuses on building scalable web applications using MongoDB, Express.js, React.js, and Node.js, with emphasis on performance and reliability.

Must be onsite in Sandton and lead development teams. Ideal candidates will have strong JavaScript (ES6+) and TypeScript experience, RESTful API design, and a track record of delivering robust microservices.

Qualifications

• 7+ years of software development experience.
• Strong proficiency in MongoDB, Express.js, React.js, and Node.js.

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 front-end interfaces using React.js.
• Work with MongoDB to design schemas, optimize queries, and manage data effectively.
• Collaborate with product owners, designers, and QA across teams.
• Write clean, maintainable, and well-documented code.
• Mentor junior developers and participate in code reviews.
• Troubleshoot and enhance application performance.
• Ensure application security, scalability, and reliability.

Skills

REST APIs

ES6+ JavaScript

Git

TypeScript

Tools

MongoDB

Express.js

React.js

Node.js

Job description

IQ Business Group is seeking an experienced Senior MERN Stack Software Developer for a 12-month contract. The role focuses on building scalable web applications using MongoDB, Express.js, React.js, and Node.js, with emphasis on performance and reliability.

Must be onsite in Sandton and lead development teams. Ideal candidates will have strong JavaScript (ES6+) and TypeScript experience, RESTful API design, and a track record of delivering robust microservices.