Senior Backend Architect, .NET/.NET Core & SQL

Blue Pearl HQ; Cape Town; On-site; ZAR 900,000 - 1,600,000; Full time

Job summary

Blue Pearl HQ in Cape Town is seeking a Senior Backend Engineer with 10+ years of experience to lead the design and evolution of core backend systems. You will architect .NET Core/Framework services, design high‑performing SQL Server solutions, and contribute to ETL pipelines and reporting.

Collaboration with Vue.js frontend teams and eventual full-stack ownership are expected. The ideal candidate combines strategic technical leadership with hands‑on implementation, shaping reliability,

Qualifications

• 10+ years of professional software development experience.
• Deep expertise in .NET Core/C# and RESTful Web APIs.
• Experience designing, building, and maintaining distributed enterprise systems.
• Strong SQL Server knowledge including design, indexing and tuning.
• Experience with CI/CD pipelines (Azure DevOps or similar).
• Strong adherence to clean architecture and SOLID principles.
• Mentoring engineers and conducting technical reviews.
• Excellent communication to convey architecture decisions.

Responsibilities

• Architect, design, and implement scalable backend services using .NET (C#).
• Lead system design decisions for scalability, reliability and maintainability.
• Optimise SQL Server databases and data access layers.
• Guide integration with Vue.js front‑end applications.
• Drive code quality, testing standards and DevOps practices.
• Lead and participate in architectural reviews and code reviews.
• Mentor intermediate and junior engineers.
• Identify risks and propose mitigations.
• Collaborate across distributed teams and communicate progress.

Skills

Back-end development

REST APIs

System design

C# / .NET

CI/CD

Clean architecture

Mentoring

Communication

Education

Bachelor's degree in Computer Science or related

Tools

SQL Server

Azure DevOps

Vue.js

Job description

Blue Pearl HQ in Cape Town is seeking a Senior Backend Engineer with 10+ years of experience to lead the design and evolution of core backend systems. You will architect .NET Core/Framework services, design high‑performing SQL Server solutions, and contribute to ETL pipelines and reporting.

Collaboration with Vue.js frontend teams and eventual full-stack ownership are expected. The ideal candidate combines strategic technical leadership with hands‑on implementation, shaping reliability,