Senior Backend & Platform Engineer (.Net/Azure
Listed on 2026-10-14
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Software Development
Backend Developer, Full Stack Developer, .NET Developer, Azure
Senior Backend & Platform Engineer (.NET / Azure)
Rosebank, Johannesburg
· Hybrid after onboarding
· Permanent
Own a live platform. Set the standard. Build the team's engineering foundations.
Our client runs a live, revenue-generating retail-media and connectivity platform used every day by consumers across South Africa s informal-trade market, with some of the country's best-known consumer brands buying media and insights on top of the data. Product development is moving in-house, and they are building a small engineering team from scratch. This is the first and most senior hire.
What you ll own- The .NET 8 API, the databases, the Azure environments and the release pipeline
- Taking over the platform from the current development partner and becoming the person who understands how it runs end to end
- Setting coding and release standards, and mentoring a second engineer into the API
- Working across API, database and frontend when the work needs it
- Solid commercial C# / .NET experience (the codebase is .NET 8: Minimal APIs, EF Core, Identity/JWT)
- SQL Server and relational data modelling, including migrations on a large existing schema
- Azure in production:
App Service or containers, CI/CD pipelines, configuration and secrets - Experience taking over or working on a system you d build
- A full-stack mindset, self-direction and genuine curiosity about the product and its users
Mass Transit / Azure Service Bus or other event-driven work, Click House or another columnar database, captive portal / WISP / ISP exposure, daily use of AI coding tools. No networking or hardware certifications needed.
Why this role- Real ownership: you set the standards for a new in-house team
- A full roadmap: owner portal (PWA), a client data product, data pipelines, hardware integrations and automated reporting
- Modern stack, senior technical lead for support, and AI-assisted development in daily use
- Work that reaches thousands of small businesses and their customers
office-based in Rosebank for the first three months while you learn the platform and the team, then hybrid: three days in the office, two from home.
Package:market-related, depending on experience.
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