.NET Engineer

Sabenza IT & Recruitment; Johannesburg; On-site; ZAR 300 000 - 400 000; Full time

Job summary

A reputable IT recruitment firm is looking for an experienced .NET Engineer to join the Retail Saving Business project in Johannesburg. You will design, build, and maintain secure, high-performance applications that support core retail banking operations. The ideal candidate has expertise in .NET Core, C#, API development, and works well in Agile teams. This role emphasizes exceptional problem-solving skills, with a strong focus on performance and security requirements. Competitive salary and career growth opportunities are offered.

Qualifications

• Strong hands-on expertise with C#, .NET Core, ASP.NET Core, Web API.
• Experience with Entity Framework Core, LINQ, and ORM concepts.
• Solid background in SQL Server or similar relational databases.

Responsibilities

• Develop and maintain applications using .NET / .NET Core, C#, and backend technologies.
• Design and implement RESTful APIs and backend microservices.
• Ensure solutions meet performance and security requirements.

Skills

C#

.NET Core

ASP.NET Core

RESTful APIs

Microservices

SQL Server

Entity Framework Core

Git

Azure DevOps

Docker

Education

Bachelor’s or Master’s degree in Computer Science or related fields

Tools

Azure

GitHub Actions

Jenkins

Job description

Overview

We are seeking an experienced .NET Engineer to join the Retail Saving Business project, where you will design, build, and maintain secure, high‑performance, and scalable applications supporting core retail savings operations. The ideal candidate will have strong expertise in .NET Core, C#, API development, and modern architectural practices. This role requires close collaboration with cross-functional teams in an Agile environment to deliver robust and user-centric banking solutions.

Responsibilities

• Develop and maintain applications using .NET / .NET Core, C#, and related backend technologies.
• Design and implement RESTful APIs and backend microservices for retail savings applications.
• Ensure solutions meet performance, scalability, and security requirements aligned with BFSI standards.
• Collaborate with product owners, architects, QA teams, and UI engineers to deliver high‑quality features.
• Participate in system design discussions, code reviews, and solution architecture sessions.
• Apply best practices for coding, unit testing, integration testing, and DevOps deployment.
• Diagnose and resolve complex issues across development, testing, and production environments.
• Contribute to CI/CD pipeline automation and continuous engineering improvements.

Requirements

Required Technical Skills

• Strong hands-on expertise with C#, .NET Core, ASP.NET Core, Web API.
• Experience working with Entity Framework Core, LINQ, and ORM concepts.
• Solid background in SQL Server or similar relational databases.
• Experience in building RESTful APIs, microservices, or distributed application architectures.
• Good understanding of design patterns, clean architecture, and SOLID principles.
• Version control and CI/CD knowledge using Git, Azure DevOps, GitHub Actions, or Jenkins.
• Familiarity with Azure (preferred) or AWS cloud platforms.
• Understanding of Docker/Kubernetes and containerized application deployment (nice to have).

Nice-to-Have Skills

• Experience with messaging systems like RabbitMQ, Kafka, Azure Service Bus.
• Knowledge of automated testing frameworks (xUnit, NUnit, MSTest).
• Exposure to front-end technologies such as Angular or React.
• Experience working with BFSI applications, especially retail savings or core banking systems.

Soft Skills

• Strong analytical and problem-solving abilities.
• Excellent communication and stakeholder interaction skills.
• Ability to work independently or within highly collaborative Agile teams.
• Proactive, detail-oriented, and solution-focused mindset.

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related fields.