Senior .NET Systems Integration Architect

ATS Client; Johannesburg; On-site; ZAR 482,160 - 757,680; Full time

Job summary

ATS Client in Johannesburg is seeking a Senior Systems Integration Developer to own the connective tissue between internal platforms and external third‑party systems. You will design end‑to‑end integration solutions and shape the organization’s application architecture.

You will build secure APIs, govern integration code, mentor junior developers, and collaborate across the SDLC on multiple concurrent projects while staying alert to data protection and security threats.

Qualifications

• Matric plus a tertiary qualification in CS, IS, or equivalent (NQF 7).
• 5+ years of Systems Integration experience.
• Strong knowledge of .NET stack and integration patterns.

Responsibilities

• Develop and integrate multiple enterprise systems per business needs.
• Map end-to-end application solutions and document specs.
• Build and maintain secure APIs for external systems.
• Run tests, debug, and optimize system performance.
• Mentor junior developers and collaborate across SDLC.
• Stay updated on security threats and data protection.

Skills

C#

ASP.NET

ASP.NET Core

JavaScript

jQuery

XML

CSS

Bootstrap

Agile methodology

Education

Matric plus a tertiary qualification in Computer Science, Information Systems, or equivalent (NQF Level 7)

Tools

MS SQL

Web API

SSRS

MS Azure DevOps

XML

CSS

Bootstrap

JavaScript

Job description

ATS Client in Johannesburg is seeking a Senior Systems Integration Developer to own the connective tissue between internal platforms and external third‑party systems. You will design end‑to‑end integration solutions and shape the organization’s application architecture.

You will build secure APIs, govern integration code, mentor junior developers, and collaborate across the SDLC on multiple concurrent projects while staying alert to data protection and security threats.