Senior C# Developer

Recruiter:

Network Recruitment

Job Ref:

ITE007165/TSch

Date posted:

Friday, November 21, 2025

Location:

Johannesburg, South Africa

SUMMARY:
Looking for a Senior C# Developer – Johannesburg (Hybrid/On-site role) (Enterprise Software / C# / .NET / TypeScript).

POSITION INFO:
Needed:

6–9 years' experience
Expert C#
Strong .Net Core
Advanced TypeScript
SQL mastery
Enterprise-level integrations

Work on large-scale, high-impact systems with extensive architectural input, strong technical ownership, and opportunities to mentor and guide a growing development team.

Qualifications & Skills:

Degree in Computer Science, Information Technology, Engineering, or a related field (preferred)
6–9 years professional full stack development experience
Minimum 2 years in a senior or lead capacity
Certifications in C#, .NET, cloud, or architecture advantageous

Requirements:

Expert-level C# development for enterprise applications
Strong .NET Framework / .Net Core / ASP.NET Core proficiency
Advanced TypeScript (non-negotiable)
Mastery of HTML, CSS3, and responsive UI standards
Deep experience developing and scaling RESTful APIs
Proven experience leading complex system and platform integrations
Advanced SQL, query optimization, stored procedures, and database design
Strong ORM experience (Entity Framework or similar)
Advantageous:
- Angular, React, or Vue.js
- Cloud technologies (Azure and AWS)
- DevOps / CI/CD exposure
Agile methodology experience
Excellent communication skills and ability to mentor Junior Developers

Key Performance Areas (KPA’s):

Full Stack Development:
- Design, develop, and maintain scalable front-end and back-end components
- Build enterprise-grade applications with strong performance and reliability
Complex Integrations & API Development:
- Architect and deliver secure, high-performance APIs
- Lead integrations with third-party platforms, cloud services, and legacy environments
Database Development:
- Build and optimize complex SQL queries, stored procedures, and schemas
- Ensure robust, efficient database design for high-volume environments
Technical Leadership & Collaboration:
- Mentor Junior and Mid-Level Developers
- Participate in architectural reviews and technical design
- Translate business requirements into technical solutions
Code Quality, Testing & Maintenance:
- Lead code reviews and enforce clean code standards
- Oversee unit, integration, and performance testing
- Resolve advanced bugs and performance bottlenecks
Documentation & Knowledge Sharing:
- Produce high-quality technical documentation
- Drive best practices and maintain engineering standards

Apply Now!

For more exciting C#, .NET, and Full Stack Engineering roles, visit:
networkrecruitmentinternational.com

I also specialise in recruiting for:

Senior Developers
Solutions Architects
API Engineers
Cloud Engineers
Full Stack Teams

If you have not received a response within two weeks, please consider your application unsuccessful. Your profile will be kept on our database for future opportunities.

For more information, contact:
Tristenn Schoeman
IT Recruitment Specialist

NB! This job is now closed. You can apply for other jobs by uploading your CV.

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