Lead .Net and Blazor Developer

Blue Pearl HQ; Cape Town; Hybrid; ZAR 900,000 - 1,300,000; Part time

Benefits offered by this job

Hybrid work model

6–12 month contract

Job summary

Blue Pearl HQ in Cape Town seeks a seasoned Lead Developer to design, build, and maintain enterprise-grade applications using .NET technologies, C#, Blazor, and the Azure ecosystem. The role emphasizes clean code, secure practices, reusable components, and scalable architectures.

You will lead development efforts, mentor juniors, collaborate with UI/UX, QA, and product teams, and contribute to CI/CD through Azure DevOps in a hybrid work setup.

Qualifications

• 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 Entity Framework 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.

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 Entity Framework 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.

Skills

C# programming

.NET Core

Blazor

Fluent UI

MudBlazor

Entity Framework Core

Azure services

Azure DevOps

MediatR

CQRS design patterns

Secure coding practices

Agile/Scrum

Leadership

Open-source contributions

Tools

Fluent UI

MudBlazor

ASP.NET Core

Azure Blob Storage

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 Entity Framework 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 Entity Framework 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 The Required Skills

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

Further Details

• Location: Cape Town (hybrid way of work)
• Contract position – let’s work between 6‑12 months.
• Level: Lead (10+ years experience)