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Intermediate Full Stack Developer

Sabenza IT & Recruitment

Job Location:

Johannesburg - South Africa

Monthly Salary: Not provided by the employer

Experience Required: 5years

Posted: 2 October 2026 (3 hours ago)

Application Deadline: 30 December 2026

Vacancies: 1 Vacancy

Job Summary

We are looking for an Intermediate Full Stack Developer with strong hands-on experience in C#/.NET and Flutter.

The successful consultant will contribute across mobile and backend development working on production applications and supporting integration between mobile backend database and cloud services.

This is a hands-on delivery role requiring a developer who can take responsibility for assigned features and work independently without close day-to-day supervision. Approximately five years of commercial software development experience is expected including at least two to three years working with a meaningful level of independence.

Key Responsibilities:

Mobile and Full Stack Development

Design develop test and maintain reliable scalable applications
Develop and maintain cross-platform mobile applications using Flutter
Build and enhance backend services using C#
Develop consume and integrate REST APIs and web services
Support integration between mobile applications backend services databases and cloud platforms
Contribute to the support and modernisation of existing mobile applications
Investigate and resolve application defects across the development lifecycle
Produce clean maintainable and well-structured code

Cloud and Delivery

Contribute to the development and deployment of applications within Microsoft Azure environments
Work with Git-based source control and collaborative development workflows
Work within established CI/CD and release processes
Apply appropriate security performance and reliability practices
Support application testing deployment and production delivery

Collaboration

Work closely with developers product owners quality assurance specialists and other delivery stakeholders
Participate in Agile planning refinement review and delivery activities
Contribute constructively to technical discussions and peer reviews
Communicate delivery progress risks and dependencies clearly
Take accountability for assigned work through to completion

Advantageous Skills and Experience:

Xamarin experience particularly in legacy mobile application support or modernisation
Experience modernising or migrating cross-platform mobile applications
Angular
Microsoft Azure Fundamentals certification - AZ-900
Azure App Services and Azure Functions
Azure DevOps and CI/CD pipelines
Azure SQL or Cosmos DB
Microservices architecture
SOAP or legacy service integrations
IIS-hosted application environments
Docker or Kubernetes
Azure Service Bus Kafka or similar messaging technologies
Automated testing frameworks

Qualifications and Experience

Approximately five years of commercial software development experience
Demonstrated production delivery experience using Flutter and C#/.NET
At least two to three years working with a good level of independence
Experience delivering assigned features or development work through to completion
Experience working in an Agile software delivery environment
A relevant tertiary qualification in Computer Science Software Engineering or a related discipline would be advantageous
Equivalent practical experience will also be considered