Senior Developer C#

First Technology Group; Gauteng; On-site; ZAR 600,000 - 800,000; Full time

Job summary

A leading company in technology solutions seeks a Senior Software Developer (C#) to lead technical development efforts and mentor junior developers. The ideal candidate will possess strong skills in C#, ASP.NET MVC, and SQL Server, with a focus on delivering high-quality code and solutions. This role includes responsibilities in software architecture, design, and continuous integration practices within an agile environment.

Qualifications

• Minimum of 7 years of professional software development experience.
• Proven experience developing applications using C#, ASP.NET MVC, and .NET Core.
• Hands-on experience with Blazor and jQuery.

Responsibilities

• Lead architectural design sessions and contribute to the overall technical strategy.
• Develop scalable, high-performance applications using C#.
• Mentor junior developers and promote best practices.

Skills

C# Programming

SQL Server

ASP.NET MVC

Blazor

DevOps Practices

Agile Methodologies

Object-oriented programming

Soft Skills

Education

Diploma or Bachelor's degree in Computer Science or related field

Microsoft Certified: Azure Developer Associate

Job description

The Senior Software Developer (C#) is responsible for leading technical development efforts, designing robust software architecture, and delivering high-quality code and solutions.

This role provides mentorship to junior developers, ensures adherence to best practices, and supports innovation through research and integration of new technologies.

Key Responsibilities : Technical Leadership & Mentorship Provide guidance and mentorship to junior developers, supporting their technical growth.

Lead architectural design sessions and contribute to the overall technical strategy.

Promote best practices and establish coding standards across the development team.

Software Design & Development Develop scalable, maintainable, and high-performance applications using C# and ASP.NET MVC.

Build dynamic user interfaces using jQuery and Blazor (client-side and server-side).

Optimize and maintain SQL Server databases, including complex queries, stored procedures, and schema design.

System Architecture & Design Design software architectures that meet business requirements for scalability, performance, and security.

Select and integrate appropriate technologies, frameworks, and tools for various solutions.

Problem Solving & Innovation Troubleshoot and resolve complex software issues.

Research and implement innovative solutions to meet business challenges.

Lead R&D initiatives to explore new technologies and methodologies.

Quality Assurance & Testing Define and execute unit, integration, and performance testing strategies.

Maintain and enhance test suites to ensure consistent software quality.

Conduct code reviews and lead architecture audits.

Continuous Integration & Deployment Implement and manage CI / CD pipelines to ensure efficient and reliable deployments.

Integrate DevOps practices for automated build, test, and deployment workflows.

Performance & Security Optimization Identify and address system performance bottlenecks through profiling and tuning.

Implement security best practices, including authentication, authorization, and encryption.

System Maintenance & Support Provide expert support for production systems.

Plan and execute upgrades, maintenance, and incident resolutions.

Project Management & Agile Delivery Collaborate with delivery managers and stakeholders to scope and plan projects.

Deliver accurate time and resource estimates in an agile development environment.

Communication & Collaboration Communicate clearly with technical and non-technical stakeholders.

Foster collaboration within cross-functional teams.

Key Technical Skills Team Leadership & Technical Project Management C# Programming (Full .NET Framework & .NET Core) ASP.NET MVC, Blazor, Xamarin, .NET MAUI Azure Cloud Services Deployment & Management MS SQL Server (Querying, Indexing, Stored Procedures) DevOps Practices & CI / CD Pipeline Implementation Agile Methodologies (Scrum, Iterative Development) Software Architecture & Design Patterns AI Integration with Azure OpenAI (Proof of Concepts) Application Modernization & Cloud Migration Security, Scalability & Maintainability Best Practices Microsoft Office Suite (for documentation and productivity) Minimum Requirements Education & Qualifications : Diploma or Bachelors degree in Computer Science, Software Engineering, Information Technology, or a related field.

Relevant industry certifications (e.g., Microsoft Certified : Azure Developer Associate, MCSD) will be advantageous.

Experience : Minimum of 7 years of professional software development experience.

Proven experience developing applications using C#, ASP.NET MVC, and .NET Core.

Hands-on experience with Blazor, jQuery, and modern web development frameworks.

Strong background in SQL Server, including writing complex queries and optimizing database performance.

Experience with Azure cloud services, including deployment and management.

Demonstrated experience in leading code reviews, mentoring team members, and contributing to architecture design.

Technical Skills : Proficient in object-oriented programming and software design principles.

Strong experience with CI / CD pipelines and DevOps practices.

Deep understanding of software security principles (authentication, authorization, encryption).

Familiarity with Agile methodologies (Scrum / Kanban).

Experience in application modernization and cloud migration is a plus.

Soft Skills : Excellent problem-solving and analytical skills.

Strong communication and collaboration abilities.

Ability to mentor junior developers and lead technical initiatives.