Senior Specialist Developer and Technical Lead Job Johannesburg area,South Africa,Software Development

We are sourcing for a Senior Specialist Developer and Technical Lead role.

Roles and Responsibility:

Application Development – Design, develop, and maintain web applications using Blazor (Server/Web Assembly), , and C# across both .NET Framework and Modern .NET).
Legacy Modernisation – Maintain and optimise existing applications while planning and executing migration paths to modern .NET standards.
Database Management – Optimise complex queries, stored procedures, and schema designs in Microsoft SQL Server. Ensure data integrity and performance tuning.
Web Integration – Build and consume RESTful APIs and Web Services to integrate internal and external systems.
UI/UX Implementation – Develop responsive, user-centric web interfaces, where Blazor interop is required.
Code Quality – Conduct thorough code reviews, unit testing, integrated testing and documentation to ensure high-quality, maintainable codebases.
Application Development – Collaborate with business analysts and stakeholders to translate business requirements into technical specifications and scalable system designs.
Application programming. Translation of high-level system design to application programs;
Systems Enhancements – Where system enhancements are required, compile design documents and manage the changes throughout the system development life cycle;
User Support – Provide user support and respond to user calls or issues logged with the Helpdesk;
Document and manage system changes;
Investigate, fix, test and migrate system bugs’ fixes through the prescribed change management procedures;
Compile and/or update training manuals and participate in the actual user training.

Skills Required:

Application development/programming experience on a Microsoft platform and using same tools as indicated below.
Ability to work from detailed functional specifications, database designs and test scripts in order to complete development tasks and unit testing;
A level of proficiency in Microsoft technologies used for application development in the Commission’s ICT environment (see table below);
A high level of proficiency in writing Microsoft SQL queries, including sub queries and cursors;
Familiarity with configuration management tools, design tools, debugging tools, and any other environment specific tools necessary to create, test, and implement an application;
Ability to work effectively as part of a team in support of the team’s goals.
Ability to communicate clearly – verbally and in written form;
Ability and willingness to engage in formal and informal knowledge transfer; and
Experience in troubleshooting and problem-solving technical issues.
- Core Programming & Frameworks
- net:
  Strong experience in maintaining and refactoring legacy .NET Framework applications.
- C# / Modern .NET:
  Deep understanding of dependency injection, middleware, and the evolution from .NET Core to Modern .NET.
- Web Technologies:
  Proficiency in HTML5, CSS3, Bootstrap, and asynchronous programming.

Data & Tools

Microsoft SQL Server:
Advanced SQL skills, indexing, and performance profiling.
Version Control:
Knowledge of Dev Ops.
Dev Ops:
Familiarity with CI/CD pipelines and IIS (Internet Information Services) deployment.