Senior Full-Stack Developer - AI SaaS (AWS, Microservices)

E-Merge; South Africa; On-site; ZAR 1,080,000 - 1,320,000; Full time

Job summary

E-Merge is seeking a Senior Full Stack Developer to join its fast-growing global SaaS engineering team in Rosebank. You will work across the full stack to build modern web applications, scalable backend services, and cloud infrastructure that supports thousands of users.

We expect 5+ years in Node.js and React, strong AWS experience, microservices, REST APIs, and a solid background in SaaS development, CI/CD, and QA automation.

Qualifications

• 5+ years in Node.js and 5+ years in React.
• Experience with microservices architecture.
• Strong relational and non-relational database skills.
• REST API development and integration.
• Cloud platforms: AWS or equivalent.
• Ability to mentor and lead technical projects.
• Fluent in English with strong communication skills.
• Familiar with containerization tools (Docker, Kubernetes).
• Experience developing high-scale SaaS solutions.
• Understanding CI/CD and QA automation.

Responsibilities

• Build modern web applications, scalable backend services, and cloud infrastructure that supports thousands of users.
• Lead technical projects and mentor teammates across the engineering org.
• Design and implement REST APIs and scalable data models for SaaS products.
• Ensure CI/CD and QA automation practices are applied across the stack.

Skills

Node.js

React

AWS

Microservices

REST APIs

SaaS experience

CI/CD

QA automation

Docker

Kubernetes

Education

Bachelor's or higher in Computer Science / Software Engineering

Tools

Docker

Kubernetes

Job description

E-Merge is seeking a Senior Full Stack Developer to join its fast-growing global SaaS engineering team in Rosebank. You will work across the full stack to build modern web applications, scalable backend services, and cloud infrastructure that supports thousands of users.

We expect 5+ years in Node.js and React, strong AWS experience, microservices, REST APIs, and a solid background in SaaS development, CI/CD, and QA automation.