Senior Full-Stack .NET Developer

Posted 4 Days Ago
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Johannesburg, City of Johannesburg, Gauteng, ZAF
In-Office
Senior level
Agency • Information Technology • Professional Services
The Role
Lead the design, development, and support of enterprise applications across front-end, API, and database layers. Build C#/.NET and Angular solutions, REST integrations, SQL Server databases, and responsive components. Guide architecture discussions, conduct code reviews, mentor developers, troubleshoot production issues, and improve engineering standards. Collaborate across product, testing, infrastructure, and business teams while supporting deployment, monitoring, documentation, and modernization initiatives.
Summary Generated by Built In
Own the full stack. Shape the solution. Raise the bar.

We’re looking for a senior, hands-on engineer who can design, build and support enterprise applications across the front end, API and database layers. This is a technical-lead role for someone who writes clean code, guides others, and takes ownership of what goes into production.

What you’ll do
  • Design and develop enterprise web applications using C#, .NET and Angular
  • Build and maintain REST APIs and system integrations
  • Design and optimise SQL Server databases, queries and stored procedures
  • Turn complex business requirements into maintainable technical solutions
  • Write clean, responsive front-end components with Angular and TypeScript
  • Investigate and resolve defects across the front end, API and database
  • Lead architecture and design discussions
  • Perform code reviews and raise engineering standards
  • Mentor junior and intermediate dev
  • ​Support testing, deployment, monitoring and production operations
  • Spot technical debt, risks and improvement opportunities early
  • Collaborate with product owners, analysts, testers, infrastructure teams and the business
  • Produce clear technical documentation that others can actually use

Requirements
What you bring

  • Matric + tertiary qualification
  • 9+ years of professional software development experience
  • 7+ years working with C# and the .NET ecosystem
  • Strong experience with Angular and TypeScript
  • Solid skills in HTML, CSS and responsive design
  • Strong practical experience with SQL Server and T-SQL
  • Experience designing and consuming REST APIs
  • Experience integrating multiple internal and external systems
  • Understanding of authentication, authorisation and secure development
  • Experience with Git-based workflows
  • Proven ability to diagnose and support production applications
  • Working knowledge of automated testing and code quality practices
  • Experience working in Agile environments

Highly desirable
​
  • Azure services and Azure DevOps
  • Docker and containerised workloads
  • CI/CD pipelines
  • Legacy application modernisation
  • CQRS or similar architecture patterns
  • Mobile development (Flutter, Ionic or similar)
  • Node.js or React
  • Application observability, logging and performance monitoring
  • Consulting or complex enterprise environment experience
  • UI/UX or usability experience

Skills Required

  • Matric qualification
  • Tertiary qualification
  • 9+ years of professional software development experience
  • 7+ years of experience with C# and the .NET ecosystem
  • Strong experience with Angular and TypeScript
  • Solid HTML, CSS, and responsive design skills
  • Strong practical experience with SQL Server and T-SQL
  • Experience designing and consuming REST APIs
  • Experience integrating multiple internal and external systems
  • Understanding of authentication, authorization, and secure development
  • Experience with Git-based workflows
  • Ability to diagnose and support production applications
  • Working knowledge of automated testing and code quality practices
  • Experience working in Agile environments
  • Experience with Azure services and Azure DevOps
  • Experience with Docker and containerized workloads
  • Experience with CI/CD pipelines
  • Experience with legacy application modernization
  • Experience with CQRS or similar architecture patterns
  • Mobile development experience with Flutter, Ionic, or similar
  • Experience with Node.js or React
  • Application observability, logging, and performance monitoring experience
  • Consulting or complex enterprise environment experience
  • UI/UX or usability experience
Am I A Good Fit?
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The Company
Year Founded: 2013

What We Do

Sabenza IT is a niche recruitment company specializing in Information Technology, SAP, Finance, and Engineering roles, with over 23 years of experience.

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