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Location: South Africa (Remote possible)
Contract Type: 3-Month Contract (Extendable)
Industry: Railway / Transportation / Mobility
Start Date: Immediate

Project Overview

We are supporting a strategic railway project focused on the development and enhancement of a digital ticketing system.

We are seeking a Senior Software Developer with strong expertise in modern web and mobile technologies to contribute to frontend/backend development, authentication integration, payment gateway implementation, and GIS-based functionalities.

This is a 3-month contract with strong potential for extension based on project requirements.

 Key Responsibilities

 Web Development

• Develop and maintain web applications using React / Next.js
• Build scalable applications using TypeScript 5
• Implement containerized environments using Docker / Docker Compose
• Develop and maintain unit testing using Jest
• Ensure high performance, security, and maintainability

 Authentication & Security

• Implement authentication solutions using Keycloak
• Integrate OIDC (OpenID Connect) protocols
• Ensure secure identity and access management

 Payment Gateway Integration

• Integrate and manage MPGS (Mastercard Payment Gateway Services)
• Ensure secure transaction processing and payment validation
• Support testing and troubleshooting of payment flows

 GIS & Geocoding

• Implement map-based features using:
  • Mapbox
  • OpenStreetMap
• Manage geolocation and geocoding functionalities

 Mobile Application Development

• Develop cross-platform mobile applications using Flutter / Dart
• Deliver iOS and Android applications
• Manage CI/CD pipelines using EAS Build
• Ensure performance optimization and release readiness

• Senior Software Developer (minimum 5+ years experience)

• Proven delivery of production-grade web & mobile applications

• Strong understanding of scalable architecture

• Ability to work independently

• Based in South Africa (remote work possible)

• Immediate or short notice preferred

Please note that only shortlisted candidates will be contacted

Mandatory Skills

• Strong hands-on experience with:
  • React / Next.js
  • TypeScript (v5 preferred)
  • Docker / Docker Compose
  • Jest
  • Keycloak / OIDC
  • MPGS payment gateway
  • Mapbox or OpenStreetMap
  • Flutter / Dart
  • CI/CD pipelines (EAS Build)

Preferred

• Experience in Railway / Transportation / Ticketing systems
• Experience in secure payment platforms
• Agile/Scrum experience