Senior Software Developer – Railway Ticketing System (Web & Mobile)

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