Frontend Developer .NET / Blazor

Swift International Human Resources Ltd; Centurion; On-site; ZAR 500 000 - 700 000; Full time

Job summary

A leading human resources firm in South Africa is seeking an experienced Frontend Developer to design, develop, and maintain user interfaces for web applications. The ideal candidate will have over 5 years of experience in .NET/C# development, with a strong focus on using Blazor for frontend components. Responsibilities include translating business requirements into scalable solutions and collaborating with backend teams for seamless integration. The role offers opportunities for innovation and professional growth.

Qualifications

• Minimum 5+ years’ experience in .NET / C# development with a focus on frontend.
• Strong experience using Blazor, particularly WebAssembly.
• Experience consuming APIs within modern development practices.

Responsibilities

• Design and develop frontend components for web applications.
• Translate business requirements into scalable frontend solutions.
• Collaborate with backend developers and IT Operations for deployments.

Skills

C#

.NET Framework (4.x and above)

.NET / .NET Core

Blazor (WebAssembly preferred)

HTML

CSS

JavaScript

REST APIs

JSON

Web API (ASP.NET Core)

MVC

Git / version control

Basic CI/CD awareness

Education

Diploma or Degree in Information Technology

Job description

Job Purpose:

• 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.
• 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.

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)

KPI's:

• Design and Architecture
• Development
• Testing and Quality Assurance
• DevOps and Deployment
• Team Collaboration
• Stakeholder Communication
• Process Optimization
• Research and Innovation
• Documentation

Kindly apply if you meet the minimum requirements. Should you not hear back from us within 2 weeks consider your application as unsuccessful.