Senior Ruby Developer - Johannesburg

Develop and support software including applications, database integration, interfaces, and new functionality enhancements

• Collaborate with Frontend developers (team) in integrating user facing elements
• Optimize the application for maximum speed and scalability
• Implement automated testing platforms and unit tests
• Perform data migration, transformation, and scripting

This role follows a hybrid working model, requiring 2-3 days per week in the Johannesburg office.

• 10+ years experience working as a Ruby developer
• 10+ years experience with Rails
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements
• Collaborate with Frontend developers (team) in integrating user facing elements
• Experience in microservices architecture and RESTful API services
• Experience working in an English speaking environment
• Analytical mindset and good problem-solving skills
• Optimization of the application for maximum speed and scalability
• Implementing automated testing platforms and unit tests
• Data migration, transformation, and scripting
• Basic understanding of frontend Javascript frameworks such as Angular, React, and Vue
• Knowledge of CI/CD practices
• Familiarity working with Cloud Technologies (AWS, Azure, GCP etc.)

We are OfferZen, a developer jobs marketplace that reverses the job search process and connects developers with a vast network of top tech companies eager to interview you directly. We provide upfront information about the tech stack, role, and salary so you can make informed decisions aligned with your preferences and career goals. You will sign up for free, complete your profile, and get visibility to 2000+ hiring companies, while our personal talent advisor supports you with salary benchmarks, interview preparation, and job offers. This is a hybrid role based in Johannesburg, with 2-3 days per week in the office.