Sabenza IT & Recruitment - Software Engineer (Senior)

Software Engineer is needed in Johannesburg, South Africa.

Client: Sabenza IT & Recruitment

Location: Johannesburg, GT, za

Contract: Freelance

Job Description

This is a remote position. Ready to own complex features, shape technical decisions, and help modernise a real enterprise SaaS platform used across Africa and the Middle East?

We’re a dynamic Business Information Systems Consulting firm that thrives on delivery. Our clients span banking, financial services, manufacturing, FMCG, and recruitment — and we’re looking for an experienced Software Engineer who brings commitment, drive, and a positive attitude to the table.

This is a hands-on upper mid-level/senior role. You’ll work closely with technical and business stakeholders to turn product requirements into secure, scalable, maintainable production software.

Requirements

Core Technical Requirements:

Strong commercial experience in most of the following:

• C# and modern .NET
• ASP.NET Core
• RESTful API design and third-party integrations
• PostgreSQL, SQL Server or another enterprise relational database
• Entity Framework Core or a comparable ORM
• HTML, CSS and JavaScript
• Git-based source control
• Unit, integration and automated testing
• Object-oriented programming and software design principles
• Dependency injection and separation of concerns
• Authentication, authorization and role-based access control
• Secure web application development
• Cloud-hosted applications
• Docker or similar container technologies
• Automated build, testing and deployment processes

Advantageous Experience:

• AWS or another major cloud platform
• React, Next.js or a comparable frontend framework
• Multi-tenant SaaS platforms
• High-volume enterprise applications
• Workflow-driven business systems
• Background processing and asynchronous workloads
• Application monitoring and performance optimization
• Single sign-on and identity-provider integrations
• Reporting and analytics platforms
• AI-enabled product features
• AI-assisted software development tools

AI-Assisted Development:

• Comfortable using AI-assisted development tools where appropriate.
• Understand that generated code and technical outputs must be independently reviewed, tested and validated.
• Maintain full accountability for the quality, security and maintainability of delivered software.
• Apply sound engineering judgement rather than relying uncritically on generated outputs.
• Willing to adapt as development tools and practices evolve.

Security and Quality:

• Practical understanding of secure authentication and session management.
• Role- and permission-based access control.
• Secure API design.
• Input validation and protection against common web vulnerabilities.
• OWASP secure development principles.
• Logging, monitoring and audit trails.
• Protection of confidential and personal information.
• Code quality, maintainability and testability.

Experience and Qualifications:

• Approximately five or more years of relevant commercial software development experience.
• Strong recent experience developing production software using C# and .NET.
• Experience delivering meaningful features from requirement through to production.
• Experience working within a professional software development team.
• A relevant tertiary qualification in Computer Science, Software Engineering or a related field is preferred.
• Equivalent practical experience and a strong technical track record may be considered in place of a formal qualification.

Other Information

If you’re ready to take ownership, ship high-quality software and help build something that scales — we’d love to hear from you.