Ruby Developer

DataFin Recruitment; Cape Town; On-site; ZAR 600 000 - 800 000; Full time

Job summary

A mission-driven technology company in Cape Town is seeking a Senior Software Developer to enhance web and mobile platforms. The role requires strong experience in Ruby on Rails and AWS, along with knowledge in React Native. Responsibilities include writing high-quality code, optimizing deployment pipelines, and collaborating on new features. This position offers the chance to impact bike theft globally, appealing to those with a passion for technology and cycling.

Qualifications

• Proven work experience as a Full Stack Developer or similar role.
• Strong knowledge of Ruby on Rails and common libraries.
• Experience with cloud services, especially AWS.
• Familiarity with front-end languages and frameworks.
• Understanding of fundamental design principles.

Responsibilities

• Design, build, and maintain efficient code using Ruby on Rails.
• Maintain deployment and operational systems on AWS.
• Contribute to the development of the mobile application.
• Identify bottlenecks and bugs, and devise solutions.
• Collaborate to define, design, and ship new features.

Skills

Ruby on Rails

AWS

React Native

DevOps best practices

Problem-solving

Teamwork

Tools

EC2

S3

Lambda

Nginx

Redis

Aurora Postgres

Job description

Overview

ENVIRONMENT: Our client, a mission-driven company transforming the future of bicycle security, is seeking a Senior Software Developer to join their Cape Town office. The ideal candidate will have strong experience in Ruby on Rails and AWS and will play a key role in enhancing the company’s web and mobile platforms. This position requires a well-rounded developer who can blend solid software engineering expertise with DevOps best practices. You will be involved across the full software development lifecycle—writing high-quality code, optimising deployment pipelines, strengthening operational systems, and ensuring scalability and reliability across all applications. If you excel in both development and operational disciplines and want to use your skills to help combat bike theft on a global scale, this role offers the opportunity to make a meaningful impact. Experience with React Native is advantageous, as the team continues to refine and expand the user experience across platforms, though it is not a strict requirement.

Responsibilities

• Design, build, and maintain efficient, reusable, and reliable code using Ruby on Rails.
• Design, develop, and maintain deployment and operational systems on AWS, ensuring the application's scalability, performance, and security.
• Contribute to the development of THEIR mobile application, utilizing React Native for cross-platform compatibility.
• Identify bottlenecks and bugs and devise solutions to these problems.
• Collaborate with the product team to define, design, and ship new features.
• Stay informed of emerging technologies/industry trends and apply them into operations and activities.

Qualifications

• Proven work experience as a Full Stack Developer or similar role.
• Strong knowledge of Ruby on Rails, along with other common libraries such as Devise, Omniauth and Rspec.
• Experience with cloud services, especially AWS (EC2, S3, Lambda, Ubuntu, Nginx, Redis, Aurora Postgres, etc.).
• Familiarity with front-end languages (e.g., HTML, JavaScript, CSS) and frameworks (e.g., React or React Native).
• Understanding of fundamental design principles behind a scalable application.
• Ability to implement automated testing platforms and unit tests.

Preferred Qualifications

• Experience with React Native is highly valued but not mandatory.
• Knowledge of or interest in the cycling industry and bike security.

Attributes

• Excellent problem-solving skills and willingness to take on challenges.
• Strong communication and teamwork skills.