Senior .NET API & Backend Engineer

Penta Consulting Ltd; Johannesburg; On-site; ZAR 520,000 - 780,000; Full time

Job summary

Penta Consulting Ltd in Johannesburg seeks a Senior .NET Developer for a 6-month contract, on-site 4 days a week. You will design, build and maintain backend systems and APIs using .NET Core, focusing on Web API and Worker Services.

You will optimize SQL Server databases, implement distributed caching, and work with frontend teams to ensure seamless integration and high-quality user experiences. Strong problem solving and asynchronous programming skills are essential.

Qualifications

• Experience building RESTful APIs and background services using .NET Core.
• Proven ability to design scalable backend systems and APIs.
• Solid understanding of asynchronous programming, dependency injection, and middleware.

Responsibilities

• Design, develop and maintain backend systems and APIs using .NET Core.
• Architect and optimize SQL Server databases with performance tuning.
• Collaborate with frontend developers to ensure seamless integration and high-quality user experiences.

Skills

.NET Core

SQL Server

Distributed Caching

JavaScript (Frontend Exposure)

Tools

ElasticSearch

Redis

RabbitMQ

Job description

Penta Consulting Ltd in Johannesburg seeks a Senior .NET Developer for a 6-month contract, on-site 4 days a week. You will design, build and maintain backend systems and APIs using .NET Core, focusing on Web API and Worker Services.

You will optimize SQL Server databases, implement distributed caching, and work with frontend teams to ensure seamless integration and high-quality user experiences. Strong problem solving and asynchronous programming skills are essential.