Ruby on Rails Developer

1 week ago


Johannesburg Metropolitan Area, South Africa Onboarded Solutions Full time R2 000 000 - R2 500 000 per year


We're Hiring: Principal Software Engineer (Ruby on Rails)

Hybrid Role (3 Days in Office / 2 Days Remote)

We're looking for a highly skilled
Principal Software Engineer
with deep expertise in
Ruby on Rails
to take a
lead role
in designing, architecting, and delivering scalable, secure, and high-performing web applications. This is a
hands-on technical leadership role
, ideal for someone who enjoys both coding and guiding a talented engineering team toward excellence.

You'll collaborate closely with product owners and business stakeholders, shaping the technical direction and ensuring our products remain at the forefront of innovation.


Key Responsibilities:

  • Lead, coach, and mentor a team of software engineers, fostering a collaborative, high-performance environment
  • Oversee and guide all architectural and design decisions with a focus on scalable, maintainable Ruby on Rails solutions
  • Act as the technical authority and product advocate, ensuring systems stay aligned with the latest market, security, and compliance standards
  • Drive best practices in cloud-native architecture, CI/CD, and agile delivery
  • Collaborate with stakeholders to translate business requirements into robust, technical solutions
  • Maintain oversight of infrastructure performance, cost efficiency, and operational excellence


Skills & Experience Required:

  • Extensive hands-on experience with Ruby on Rails
    — designing, building, and scaling complex web applications
  • Strong knowledge of cloud infrastructure (AWS or Azure) and containerisation technologies
  • Solid understanding of PostgreSQL and database optimisation
  • Proven track record in building and maintaining RESTful APIs
  • Familiarity with C#, HTML5/CSS3, and modern JavaScript frameworks (React, Vue, or similar)
  • Comfortable working in Linux or OS-X environments
  • Demonstrated experience leading, managing, and mentoring technical teams


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