Senior C#.NET SQL Developer Jobs in Namibia

.NET Developer
Ondangwa
May 2, 2026
Full Time
Urgent
Apply Now

Job Description

Company: Tumaini Consulting
Location: Windhoek
Job Type: Full-Time
Work Model: Work From Home
Industry: IT / Software Development

1. Position Summary

The Senior C#.NET SQL Developer will be responsible for designing, developing, and optimizing high-performance applications and database systems. This role requires deep expertise in C#, .NET technologies, and SQL Server, along with strong analytical and problem-solving capabilities.

The ideal candidate is a hands-on developer with extensive experience in building scalable systems, optimizing database performance, and collaborating within a remote-first development team.

2. Key Responsibilities

A. Software Development

  • Design, develop, and maintain applications using C#, .NET, and related frameworks
  • Build and enhance web applications using ASP.NET, Blazor, and Razor Pages
  • Develop and integrate RESTful APIs and SOAP web services
  • Write clean, scalable, and maintainable code

B. Database Development & Optimization

  • Design and manage relational databases and schemas
  • Develop and maintain T-SQL components including:
    • Stored procedures
    • Triggers
    • Views
    • Indexes and constraints
  • Optimize SQL queries and database performance using query analysis tools
  • Ensure data integrity, security, and efficiency

C. Data Integration & Reporting

  • Work with SSIS for data integration and ETL processes
  • Develop reports using SSRS
  • Utilize Excel (including VBA) for data manipulation and reporting

D. Collaboration & Innovation

  • Collaborate with cross-functional teams in a remote-first environment
  • Use AI-powered coding tools to improve development speed and quality
  • Contribute to system architecture and technical decision-making
  • Understand business processes and translate them into technical solutions

3. Required Qualifications

Education

  • Bachelor’s degree in Computer Science, IT, or related field (preferred)

Experience

  • Minimum 10 years’ experience in C#, .NET, and SQL development
  • At least 5 years of recent hands-on coding experience
  • Proven experience in database design and SQL optimization
  • Minimum 3 years’ experience with SSIS, SSRS, and Excel (VBA)

4. Technical Skills

Core Technologies

  • C#, .NET, .NET Core
  • ASP.NET, Blazor, Razor Pages
  • SQL Server & T-SQL

Web Technologies

  • HTML, CSS
  • JavaScript / TypeScript
  • RESTful APIs & SOAP Web Services

Tools & Platforms

  • SSIS (ETL processes)
  • SSRS (reporting)
  • Excel with VBA
  • Query optimization tools

5. Advantageous Skills

  • SQL CLR development
  • Python (AI, APIs, automation)
  • Linux environments
  • Asterisk telephony systems
  • Node-RED
  • Experience with other databases (MySQL, PostgreSQL)

6. Key Competencies

  • Strong problem-solving and analytical thinking
  • Logical reasoning and attention to detail
  • Strong understanding of business processes
  • Excellent communication and teamwork skills
  • Ability to work independently in a remote setup

7. Working Conditions

  • Hybrid role (mostly remote, occasional office presence in Windhoek)
  • Collaborative remote-first team environment
  • Opportunity to work with modern tools and AI-assisted development

8. Application Process

Interested candidates should submit:

  • Updated CV
  • Academic transcripts

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