Frontend Developer .NET / Blazor

Oostelike Personeel Konsultante; Centurion; On-site; ZAR 300 000 - 400 000; Full time

Job summary

A staffing consultancy in Centurion is seeking an experienced Frontend Developer. This role requires extensive experience (5+ years) in .NET and a strong focus on frontend development using Blazor. The responsibilities include designing and maintaining user interfaces and integrating frontend components with backend services. This is a full-time, office-based position with a competitive salary between R50,000 and R60,000 CTC per month. Suitable candidates must be South African citizens and can expect company benefits including a provident fund and an annual bonus.

Benefits

Provident fund

December Annual bonus

Qualifications

• 5+ years’ professional experience in .NET / C# development.
• Strong experience in frontend development using Blazor.
• Experience with enterprise-scale internal systems.

Responsibilities

• Design, develop, and maintain frontend user interfaces.
• Translate requirements into high-quality frontend solutions.
• Ensure responsive, stable, and reliable user experiences.

Skills

C#

.NET Framework (4.x and above)

Blazor (WebAssembly preferred)

HTML

CSS

JavaScript

REST APIs

Git

Agile / Scrum

Education

Diploma or Degree in Information Technology, Computer Science, Software Engineering

Tools

Blazor

DevExpress

MudBlazor

Job description

Frontend Developer (.NET / Blazor)

Employment: Full time, permanent position. Office based at Centurion | Midrand area in Gauteng. NO hybrid or remote work options.

Salary: R 50 000 - R60 000 CTC per month

Company benefits: Provident fund and December Annual bonus.

Essential Legal Requirements: Must be a South African born citizen with a Clean Criminal background and ITC (financial history) - checks will be done on shortlisted applicant.

Report to: CIO

Working hours: Monday to Friday, 08:00 to 17:00. This is an office based position at their Head Office based in Centurion | Midrand area.

Job Purpose:

• Minimum 5+ years’ experience in .NET / C# development, with a strong focus on frontend development using Blazor (Web Assembly preferred), and experience consuming APIs and working within modern development practices.
• Design, develop, and maintain frontend user interfaces and components for web-based business applications used across Head Office and Branch Offices.
• Translate functional, business, and design requirements into high-quality, scalable frontend solutions using Blazor and the Microsoft .NET stack.
• Develop clean, efficient, and maintainable frontend code following established coding standards, UI guidelines, and component-based best practices.
• Perform thorough frontend testing, debugging, and troubleshooting to ensure responsive, stable, and reliable user experiences across supported browsers and devices.
• Development of new UI features and enhancements for business systems (e.g., ERP, WMS, POS, Back Office applications).
• Support and maintenance of existing frontend applications, ensuring consistent behavior and minimal disruption to users.
• Integration of frontend components with backend APIs and services, collaborating with backend developers as required.
• Continuous improvement of frontend code quality through peer reviews, refactoring, and reuse of shared components.
• Create and maintain accurate frontend technical documentation, including component specifications, UI patterns, and release notes.
• Collaborate closely with backend developers, designers, and IT Operations to ensure smooth deployments, reliable production rollouts, and alignment between frontend and backend systems.
• Stay up to date with emerging frontend technologies and practices within the Microsoft ecosystem, particularly Blazor, .NET, and related UI frameworks.

Qualifications and or Experience:

• Diploma or Degree in Information Technology, Computer Science, Software Engineering, or equivalent relevant work experience
• 5+ years’ professional experience in .NET / C# development
• Frontend Developer with strong experience in the Microsoft stack
• C#
• .NET Framework (4.x and above)
• .NET / .NET Core
• Blazor (WebAssembly preferred, Server exposure advantageous)
• Component-based UI development
• DevExpress and/or MudBlazor
• HTML
• CSS
• JavaScript (for frontend development and Blazor interop)
• REST APIs (consumption and integration)
• JSON
• Web API (ASP.NET Core: Integration focused)
• MVC (working knowledge / integration awareness)
• Git / version control
• Basic CI/CD awareness
• On-premises web application environments (IIS)
• Beneficial (Not essential)
• Experience with enterprise-scale internal systems (ERP, WMS, POS, Back Office applications)
• Blazor WebAssembly (advanced usage or production experience)
• Blazor Server (working knowledge)
• DevExpress UI components
• MudBlazor UI components
• Frontend architecture and reusable component design
• UI / UX awareness and usability-focused development
• Responsive design and cross-browser compatibility
• Integration with backend services (ASP.NET Core / Web API)
• Legacy system UI modernization
• IIS (deployment and troubleshooting awareness)
• Agile / Scrum development environments
• CI/CD pipelines (frontend build and release exposure)
• Automation or tooling to improve frontend developer productivity
• Continuous learning within the Microsoft / .NET ecosystem

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