Senior Ruby on Rails Engineer — Scalable Apps & APIs

Network Finance; Randburg; On-site; ZAR 1,200,000 - 1,800,000; Full time

Job summary

Network Finance invites a Senior Ruby on Rails Developer to join a fast-growing product engineering environment. You will design, build, and maintain scalable Rails applications and APIs, collaborating with Product and Design to deliver exceptional customer experiences.

You will mentor peers and shape engineering standards while advancing AI-assisted development workflows where appropriate.

Qualifications

• 6+ years of professional software development experience.
• Extensive hands-on Rails production experience.
• Experience building large-scale, customer-facing applications.
• Experience mentoring and supporting other engineers.

Responsibilities

• Design, develop, and maintain scalable Rails applications.
• Lead complex technical initiatives from planning through deployment.
• Collaborate with Product/Design to build customer-focused solutions.
• Develop and maintain REST and GraphQL APIs and integrations.
• Improve performance, reliability, and scalability.

Skills

Ruby

Ruby on Rails

REST APIs

GraphQL

PostgreSQL

Redis

Sidekiq

Modern JavaScript/TypeScript

Automated testing

CI/CD pipelines

Cloud-hosted development

Education

Bachelor's degree in Computer Science or related field

Tools

AWS

Docker

GitHub Actions

CircleCI

Job description

Network Finance invites a Senior Ruby on Rails Developer to join a fast-growing product engineering environment. You will design, build, and maintain scalable Rails applications and APIs, collaborating with Product and Design to deliver exceptional customer experiences.

You will mentor peers and shape engineering standards while advancing AI-assisted development workflows where appropriate.