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Senior C#.NET SQL Developer

Johannesburg
Salary: R66 667.00 - R83 333.00 Per Month
Job Type: Permanent
Sectors: IT General Technology
Reference: 2325614

Apply before Feb 02 2026 | 60 Days left

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Vacancy Details

Employer: Tumaini Consulting

My client is looking for a Senior C#.NET SQL Developer to join their team in Randburg, Johannesburg (Hybrid – primarily remote, with rare office visits required).

Requirements:

· Minimum of 10 years’ experience programming in C#, .NET and SQL, with at least 5 recent years of daily hands-on coding.

· Strong understanding of relational databases, design, and T-SQL (stored procedures, triggers, views, indexes, constraints, foreign keys).

· Experience with SSIS, SSRS, and Excel (with VBA) over the past 3 years.

· Proven ability to optimise SQL queries and stored procedures using query analyser tools.

· Experience with AI coding tools to improve development speed and quality.

· Solid general programming skills, with exposure to C#, .NET Core, ASP.NET, Blazor, Razor Pages.

· Web development experience with HTML, CSS, JavaScript/TypeScript, RESTful APIs, and SOAP Web Services.

· Advantageous: CLR development for SQL Server, Python (AI, APIs, automation), Linux, Asterisk, Node Red, and other SQL databases (MySQL, PostgreSQL).

· Strong problem-solving ability, logical reasoning, and business process understanding.

· Excellent communication skills and ability to work collaboratively in a remote-first team.

If you would like to apply for this position, please send transcripts with applications.

Should you meet the requirements for this position, please email your updated CV attached to it.jobs@tumaini.co.za, alternatively contact XXX-XXXX or visit our website, www.tumaini.co Correspondence will only be conducted with short listed candidates. Should you not hear from us within 3 days, please consider your application unsuccessful.

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About Tumaini Consulting

Tumaini Consulting is a Recruitment and Staffing agency that focuses on the placement of people on a permanent or contract basis, in both the public and private sectors. Our core areas of expertise lie in the Engineering, Finance, IT, Medical, Trade & Technical, Mining and Logistics sectors.

At Tumaini Consulting our name embodies one of our core philosophies. In Swahili, our name means “Hope” and we believe in the enduring power of hope, a beacon that guides us in every endeavour.

In all that we do, we carry the hope for a brighter tomorrow, the hope to make a profound impact within the employment landscape, and the hope to drive positive change.

Tumaini Consulting understands that our core focus must be on delivering quality candidates to clients and presenting our candidates with the best opportunities.

With every action, every decision, and every partnership, we infuse hope into our journey, because where there is hope, there is the potential for remarkable change and limitless possibilities.