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Backend/Platform Engineer; Senior or strong mid-level; Rosebank
Job in
Sandton, 2172, South Africa
Listed on 2026-10-16
Listing for:
Hewitt Colenbrander Recruitment
Full Time
position Listed on 2026-10-16
Job specializations:
-
Software Development
Backend Developer
Job Description & How to Apply Below
Technical Profile & Core Competencies Backend & Data Architecture
- Enterprise .NET Development:
Extensive commercial experience with C# and .NET, managing complex business logic within large, established codebases. - Relational Database Design:
Proficient in SQL Server and relational data modelling, including advanced schema design, optimization, and Entity Framework (EF) Core migration management. - Data Integration & Automation:
Skilled in writing SQL alongside scripting languages (Python or Type Script) to handle data ingestion, reconciliation pipelines, and automated reporting. - Access Control:
Proven track record of implementing robust security architectures, specifically Role-Based Access Control (RBAC) and Row-Level Security (RLS) at the API layer.
- Azure Production Environments:
Hands-on experience deploying and managing infrastructure via Azure App Services, containerized environments, Azure Pipelines (CI/CD), and Key Vault. - Asynchronous Architecture:
Expertise in building and maintaining background services and message consumers utilizing Azure Service Bus for scheduled jobs, reminders, and event-driven processing.
- Modern Frontend Web:
Commercial experience with React and Type Script, specifically managing complex client-side state and multi-step workflows. - Performance-Constrained Engineering:
Proven ability to build mobile-first web applications optimized for resource-constrained environments, including low-end Android devices and restricted browsers.
- Legacy Codebase Inheritance:
Demonstrated ability to successfully adopt, navigate, and optimize existing, complex codebases written by other developers.
Demonstrates a holistic approach to development, with a willingness to work seamlessly across APIs, databases, and front-end architectures rather than specializing in a single layer.
High level of self-direction, with a proven track record of taking initiative and driving projects forward independently.
Possesses a genuine curiosity about the overarching product strategy and market dynamics, ensuring technical solutions align with broader business goals.
Integrates AI-assisted development tools into daily workflows to optimize efficiency and code quality.
Experience with Click House or alternative columnar analytics databases (Big Query, Snowflake, Redshift). Proficient in authoring complex aggregation reports.
1):
Hands-on experience integrating LLM APIs, implementing tool-calling functionalities, or building Model Context Protocol (MCP) servers.
Proficiency with Progressive Web Apps (PWAs), service workers, and push notifications, alongside experience implementing streaming UI patterns like Server-Sent Events (SSE) and incremental rendering.
Familiarity with structured observability frameworks (e.g., Open Telemetry) and modern end-to-end testing tools such as Cypress or Playwright.
Prior exposure to captive portals, hotspots, Wireless Internet Service Providers (WISPs), or ISP platforms (highly valued but treated as a bonus rather than a strict filtering criterion).
Position Requirements
10+ Years
work experience
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