SQL & .NET Developer

• Solve business problems alone and as part of the team by applying good reasoning and logic to use one or more of the following technologies: ASP.NET, C#, Web services, Web APIs, and SQL programming. ML.Net would be an advantage and part of the role moving forward.
• Support the deployment of new IT systems and infrastructure.
• Diagnose problems using a logical approach and understanding of the underlying systems.
• Working individually or as part of a team on small to medium sized SQL projects to solve operational business requirements as well as data manipulation when needed.
• Creating ad-hoc queries or SQL Server stored procedures, views and jobs based on user requests or to maintain, troubleshoot or improve existing SQL functionality.
• Working on large data sets in a live transactional environment with an awareness of the impact of running demanding queries and the side effects on a busy operational call centre.
• Create and maintain constraints, keys and indexes to improve performance and maintain database integrity and business rules.
• Design and maintain Excel and SSRS reports using stored procedures and views.
• Maintain or improve existing Excel reports using VBA for extended functionality.
• Querying and summarising data across multiple servers and databases using linked servers.
• Working with dynamic SQL to solve difficult cross-server and cross-database queries and summaries.

• A minimum of 5 years using and programming in C#, .NET, and SQL.
• At least 3 of the most recent years using and programming in C#, .NET, and SQL daily.
• Solid understanding of relational databases and database design.
• Excellent knowledge of the T-SQL language including use of stored procedures, triggers, views, data types, keys indexes, constraints, foreign keys, relational design and the related tools and development environments.
• A good understanding of SSIS, SSRS and Excel working with SQL Server over the past 3 years.
• Experience optimising SQL Server queries and stored procs and the use of query analyzer for tuning code.
• Very good general programming skills and a general interest in programming and development using primarily SQL Server and C# and the .Net platform.
• Experience with other SQL databases like MySQL and PostgreSQL would be an advantage.
• Very good Excel skills as well as a good working knowledge of VBA programming in Excel.
• Sound knowledge of secure development principles.
• Knowledge of SQL environment using tracing tools.
• Web development experience using MVC and the following technologies: ASP.NET/.Net Core/Razor pages/Blazor.
• Knowledge and experience working with HTML, CSS, and JavaScript/Typescript.
• Web Service development using .Net.
• Use of and Restful APIs.
• Use of SOAP Web Services.
• CLR development for SQL Server using C# would be an advantage.
• Experience with Node Red would be an advantage.
• Some Linux and Asterisk experience would be an advantage.

• R800 000 – 1.1 mil per annum.

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