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Salary
≈ $28k – $58k per year (Estimated)
Location
In office (Johannesburg)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Nov 11, 2025. Platform45 scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Platform45 is a South African software development company founded in 2009 that builds web and mobile products. Its teams work with startups and enterprises on product design, engineering and dedicated squads. The company delivers for clients in South Africa, the United States and Europe.

INTERMEDIATE BACK-END DEVELOPER (Ruby on Rails)

Department:

Operations & Delivery

Reports to:

Technical Lead

WHO PLATFORM45 IS

We are responsible for code changing the lives of people around the world, every day. We solve complex problems and build big ideas. And we don’t stop. We believe in the ability of technology to make the world a better place; we’re driven to rip through conformity and create new solutions, smarter habits. We know why we’re here: To unleash the potential of people through the power of technology. We are people multiplied by the power of tech and together we are changing the world.

CONTEXT | THE ROLE

In this role you will play a crucial role in designing, developing, and maintaining software solutions that meet our clients' needs. This role offers an exciting opportunity to work on diverse projects and collaborate with cross-functional teams to deliver exceptional results.

ROLE RESPONSIBILITIES | THE WHAT & THE HOW

The Essentials

  • Software Development
    • Develop, test, and maintain software applications and solutions according to project requirements and industry best practices.
  • Technical Design
    • Collaborate with architects and senior engineers to design scalable and efficient software architecture that aligns with business objectives.
  • Code Reviews
    • Conduct and participate in code reviews to ensure code quality, performance, and adherence to coding standards.
  • Troubleshooting and Debugging
    • Identify and resolve technical issues and bugs in a timely manner to ensure smooth operation of software applications.
  • Documentation
    • Create and maintain technical documentation including design documents, specifications, and user manuals.
  • Collaboration
    • Work closely with cross-functional teams including product managers, designers, and quality assurance engineers to deliver high-quality software solutions.
  • Continuous Improvement
    • Stay updated on emerging technologies and industry trends, and contribute to process improvements and innovation initiatives within the organisation.
  • Project Management
    • Manage individual project tasks and timelines effectively, and communicate progress and challenges to stakeholders as required.

Technical Requirements

  • Bachelor’s degree in Computer Science, Software Engineering, or a related field, or provable, self-taught development skills with a good understanding of how web works.
  • 3 + years of experience in software development, with proficiency in Ruby on Rails
    • Familiarity with ViewComponent and the Hotwired Stack (Turbo, Stimulus and Hotwire) will be an advantage.
  • Experience with databases (SQL), including PostgreSQL, MySQL, or similar.
  • Experience with RESTful APIs, web services, and third-party integrations.
  • Strong understanding of Git and collaborative development workflows.
  • Familiarity with cloud services (e.g., AWS, GCP, Azure) and containerization (Docker, Kubernetes) would be an advantage.
  • Familiarity with CI/CD pipelines and automation tools (e.g., Github Actions, Jenkins, CircleCI).
  • Strong understanding of software development methodologies and best practices (e.g., Agile, Scrum).
  • Excellent problem-solving skills and attention to detail.
  • Ability to work independently and collaboratively in a fast-paced environment.
  • Good communication and interpersonal skills.

Critical Competencies

  • Someone who is motivated, energetic, and always focused on the task at hand.
  • An analytical thinker who can work under pressure, often unsupervised, and take full responsibility for a ‘piece of the puzzle’ on a project.
  • A proactive, continuous, and quick learner who is genuinely excited about industry trends and has a passion for technology and knowledge.
  • A resourceful, forward thinker who considers how the code that is written will have an impact later on.
  • Good communication and teamwork are critical - you’ll not only be dealing with developers but also designers, product owners, clients, and other key stakeholders.
  • Learning from intermediate and senior Platform45 developers.
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