Job Description
About the Role
We are seeking a hands-on Technical Architect and Senior Backend Developer to take ownership of our platform’s end-to-end technical design and personally lead the build of its core Backend services. The ideal candidate will be equally comfortable in a whiteboard session with stakeholders, in a code review on a plugin assembly, and in a war-room debugging a production data ingestion job.
Key Responsibilities
- Architecture and technical leadership – Own the end-to-end technical architecture of the platform across the application plane (AKS), the data and analytics plane (Databricks/Delta Lake), and the DevOps/observability plane.
- Maintain and evolve the architecture documentation, decision records (ADRs), and reference diagrams; make and defend trade-off decisions with the CTO and product leadership.
- Define the service decomposition strategy, inter-service contracts, and the rules of engagement for the custom Orchestration Layer that mediates communication between Kubernetes services.
- Set non-functional standards — performance, scalability, resilience, security, observability — and verify the system meets them.
- Lead architecture reviews, code reviews, and design sessions; mentor Mid-level and Junior Engineers and grow the team’s depth in .NET, Azure, and distributed systems.
- Hands-on Backend Engineering – Personally design, build, and maintain core Backend microservices in C# / .NET 10 (Ingestion, API, Auth, Orchestration) running in containers on AKS.
- Build out the Generic Data Ingestion Layer — the abstraction, the standardised internal data models, and the plugin SDK that other engineers use to onboard new data sources.
- Implement and review C# plugin assemblies for specific energy-domain sources: industrial meters (mines and smelters), invoice ingestion, ERP/financial system integrations, MES, and SAWEM market gateway.
- Design schemas and access patterns for the sharded SQL Server estate, the Redis caching layer, and Blob/ADLS storage; own data-tier performance and consistency.
- Implement secure runtime configuration (Azure Key Vault via CSI), workload identity, and authentication/authorisation flows backed by Entra ID.
- Build the integration surface between the operational AKS plane and the Databricks data platform — feeding Bronze, consuming Gold, and serving low-latency ML inference endpoints from AKS.
Requirements
- Core Engineering — Non-negotiable – 8 Years of professional Software Engineering with at least the last 4 in a Senior, Architect, or Tech-Lead capacity on production cloud systems.
- Deep C# and .NET expertise: .NET Core / .NET 6 (and ideally .NET 8/10), ASP.NET Core, EF Core, async/await fluency, performance tuning, and modern C# language features.
- .NET assembly loading and plugin architectures: real experience designing extensibility models using AssemblyLoadContext or equivalent, including isolation, versioning, and dependency management of dynamically loaded assemblies.
- Distributed systems design: service decomposition, idempotency, eventual consistency, retries and back-off, distributed transactions/sagas, and patterns for service-to-service communication and orchestration.
- Microservices on Kubernetes: production experience running C# workloads on AKS (or EKS/GKE), including Helm/Kustomize, ingress, autoscaling, network policies, and the Kubernetes API.
Qualifications
- Formal education/certifications not specified.
How to Apply
Click the green “Go Apply” button below to apply directly online with the employer.
About IT / Computing / Software Jobs in Cape Town Region
The IT and computing industry in the Cape Town region is generally thriving, with a strong demand for skilled professionals in fields such as software development, data analytics, and cybersecurity. Typically, these roles are found across various sectors, including technology, finance, healthcare, and education. As a result, career opportunities in this field are often diverse and abundant.
In terms of salary ranges, it’s common to find IT and computing professionals earning between R400 000 to R1 200 000 per annum, depending on factors such as experience, company size, and industry sector. However, please note that these figures are broad estimates and may vary significantly based on individual circumstances. For instance, senior roles or those in larger companies tend to command higher salaries, while entry-level positions may be lower.
Common skills required for IT and computing roles include proficiency in programming languages such as Java, Python, or C++, experience with software development methodologies like Agile or Scrum, knowledge of data structures and algorithms, and familiarity with cloud computing platforms. Additionally, many employers also value skills such as data analysis, problem-solving, and communication.
The technology industry is a significant sector that employs IT professionals in Cape Town, followed by the financial services and manufacturing sectors. Other industries that commonly require these roles include education, healthcare, and government.
For those looking to advance their careers in IT and computing, there are various opportunities for professional development. Typically, this involves obtaining relevant certifications, such as CompTIA or Cisco, and staying up-to-date with industry trends through online courses or workshops. Many employers also provide training and mentorship programs to support employee growth. With experience and continuous learning, it’s possible to move into senior roles or specialise in a particular area of expertise.
This information provides general career guidance. Actual salaries and requirements vary by employer.
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