Ruby on Rails Developer

Network Finance; Wes-Kaap; On-site; ZAR 720,000 - 960,000; Full time

Job summary

Network Finance is seeking an experienced Full Stack Developer in South Africa to design, build, and maintain scalable web applications using Ruby on Rails and modern front-end technologies. You will also manage AWS cloud infrastructure and contribute to mobile apps with React Native.

Ideal candidates have 4–6 years of full-stack experience, strong Rails expertise (Devise, Omniauth, RSpec), and solid AWS knowledge, plus front-end skills in HTML, JavaScript, and CSS.

Qualifications

• 4-6 years of full-stack development experience.
• Proficient in Ruby on Rails with Devise, Omniauth, and RSpec.
• Solid AWS experience including EC2, S3, Lambda, Redis, Aurora PostgreSQL, Nginx and Ubuntu.
• Front-end skills in HTML, JavaScript, and CSS.
• Experience with React or React Native.
• Understanding of scalable architecture and design principles.
• Experience with automated and unit testing.
• Strong problem-solving, communication and collaboration skills.

Responsibilities

• Design, build, and maintain robust apps using Ruby on Rails.
• Develop and manage scalable AWS cloud infrastructure.
• Contribute to mobile app development with React Native.
• Identify and resolve performance bottlenecks and issues.
• Collaborate with cross-functional teams to deliver features.
• Drive continuous improvement via emerging technologies and best practices.

Skills

Ruby on Rails

AWS

React/React Native

HTML

JavaScript

CSS

Testing

Problem-solving

Communication

Collaboration

Tools

Devise

Omniauth

RSpec

EC2

S3

Lambda

Redis

Aurora PostgreSQL

Nginx

Ubuntu

React

React Native

Job description

Key Responsibilities

• Design, build, and maintain robust applications using Ruby on Rails
• Develop and manage scalable cloud infrastructure within AWS
• Contribute to mobile application development using React Native
• Identify and resolve performance bottlenecks and technical issues
• Collaborate with cross-functional teams to deliver new features
• Drive continuous improvement through emerging technologies and industry best practices

Required Experience

• 4-6 years' experience as a Full Stack Developer or similar role
• Strong Ruby on Rails expertise, including Devise, Omniauth and RSpec
• Solid AWS experience (EC2, S3, Lambda, Redis, Aurora PostgreSQL, Nginx, Ubuntu)
• Front-end development experience with HTML, JavaScript and CSS
• Experience with React or React Native
• Understanding of scalable application architecture and design principles
• Automated testing and unit testing experience
• Strong problem-solving, communication and collaboration skills

Advantageous

• React Native experience
• Exposure to DevOps practices and cloud-native environments
• Experience working on customer-facing digital products