Lead .Net and Blazor Developer

ATS Client; Cape Town; On-site; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Hybrid work model

Collaborative team environment

Job summary

ATS Client in Cape Town is seeking a seasoned Lead Developer to design, build, and maintain enterprise-grade applications using .NET technologies, C#, Blazor, and the Azure ecosystem. You will drive architectural decisions, lead the implementation of secure, scalable components, and mentor a team of developers to deliver robust solutions.

You will champion clean code, comprehensive testing, and efficient CI/CD with Azure DevOps, while collaborating with UI/UX designers, QA engineers, and product

Qualifications

• 10+ years of software development experience with 5+ years in modern .NET.
• Proven leadership in enterprise projects.
• Experience mentoring junior developers.

Responsibilities

• Design, build, and maintain enterprise-grade apps using C#, .NET Core, and Blazor.
• Develop UI components with Fluent UI or MudBlazor for reusable UI.
• Implement CQRS patterns with MediatR and secure coding practices.
• Collaborate with UI/UX, QA, and product managers; mentor juniors.
• Contribute to CI/CD via Azure DevOps.

Skills

C# programming

.NET Core

Blazor Server/WASM

Fluent UI / MudBlazor

Entity Framework Core

Azure DevOps

Azure B2C / Blob Storage

MediatR / CQRS

Security & logging

Leadership

Tools

Azure DevOps

Job description

Job Description

We are looking for a seasoned Lead Developer who has evolved with the tech landscape, demonstrating strong adaptability and deep development knowledge. You'll play a key role in designing, building, and maintaining enterprise-grade applications using modern .Net technologies—particularly with C#, Blazor, and the Azure ecosystem. If you thrive on clean code, secure practices, reusable components, and scalable architectures, this role is for you.

Key Responsibilities

• Design, develop, and maintain scalable web applications using C#, .NET Core, and Blazor (Server and WASM).
• Build and enhance component-based UIs using Fluent UI (preferred) or MudBlazor, ensuring reusability and performance.
• Develop back-end services using ASP.Net Core, following clean architecture principles.
• Integrate with Azure B2C for authentication and manage secure file transfers using Azure Blob Storage.
• Implement EntityFramework Core for data persistence, including LINQ queries and database migrations.
• Build CQRS-based request pipelines using MediatR.
• Implement robust audit logging, error handling, and security mechanisms.
• Contribute to CI/CD processes using Azure DevOps for seamless builds, testing, and deployments.
• Collaborate with cross-functional teams including UI/UX designers, QA engineers, and product managers.
• Stay up-to-date with evolving tech stacks and mentor junior developers.

Required Qualifications and Skills

• 10 years of overall software development experience with at least 5+ years working with modern .NET technologies.
• Deep expertise in C# programming and .NET Core development.
• Solid experience with Blazor Framework, including Blazor Server and Blazor WebAssembly.
• Proficient in creating modular, reusable UI components using Fluent UI or MudBlazor.
• Skilled in EntityFramework Core, including writing LINQ queries and handling DB migrations.
• Hands‑on experience with Azure services, particularly Azure B2C, Blob Storage, and Azure DevOps.
• Familiarity with MediatR and CQRS design patterns.
• Strong understanding of secure coding practices, including audit logging, secure file transfers, and error handling.
• Excellent problem‑solving skills and a proactive attitude toward learning and applying new technologies.
• Experience working in Agile/Scrum environments.
• Prior involvement in enterprise-grade software projects.
• Contributions to open-source or developer communities.
• Proven experience filling a leadership role.

Technical Overview of Required Skills

1. C# and .NET Core
   • Deep understanding of C# is foundational.
   • Familiarity with ASP.NET Core for back-end services.
2. Blazor Framework
   • Proficiency in both Blazor Server and Blazor WebAssembly (WASM).
   • Understanding of component-based architecture and lifecycle.
3. UI Libraries and Design Systems
   • Experience with Fluent UI (preferred) or MudBlazor.
   • Ability to build reusable UI components like grids, buttons, and menus.
4. EntityFramework Core
   • For data access and ORM (Object-Relational Mapping).
   • Includes DB migrations and LINQ queries.
5. Azure Ecosystem
   • Azure B2C for authentication and authorization.
   • Azure Blob Storage for file handling.
   • Azure DevOps for CI/CD pipelines and deployment.
6. MediatR & CQRS
   • Implements Command Query Responsibility Segregation (CQRS) patterns for request handling.
7. Security and Logging
   • Audit logging of database changes.
   • Secure file transfers and error handling.

Further Details

• Location: Cape Town (hybrid work).
• Contract position—6 to 12 months.
• Level: Lead (10+ years experience).