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Senior Ruby on Rails Developer

South Africa, Johannesburg · Job Posted May 29, 2026
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Job Description

Seeking a Senior Ruby on Rails Developer to design, build, and scale high-quality applications while driving engineering best practices and supporting team growth.

Job Responsibility

  • Develop and maintain scalable Ruby on Rails applications
  • Own features end-to-end (design → deployment)
  • Contribute to architecture and technical decisions
  • Ensure code quality, testing, and best practices
  • Mentor and support junior developers
  • Troubleshoot and optimise system performance
  • Collaborate with cross-functional teams

Requirements

  • 5-8+ years software development experience
  • Experience building production-grade applications
  • Strong problem-solving and ownership mindset
  • Ability to mentor and collaborate effectively
  • Clear communication across teams
  • Ruby on Rails (modern practices)
  • REST APIs & integrations
  • PostgreSQL / MySQL
  • Frontend tools (Hotwire, Turbo, Stimulus – advantageous)
  • Cloud platforms (AWS / GCP / Azure)
  • Docker & CI/CD pipelines

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