Middleware Specialist

Ovations Technologies (Pty) Ltd; Johannesburg; On-site; ZAR 500 000 - 700 000; Part time

Job summary

A technology solutions provider in Johannesburg is seeking a Middleware Specialist with at least 5 years of experience in middleware technologies. You will design and maintain middleware solutions, implement APIs, and ensure high performance and security in Linux/Unix environments. Strong skills in Java and SQL Server are required, along with hands-on experience in middleware development.

Qualifications

• 5 years' experience in middleware development and administration.
• Strong proficiency in Java, JSON, SOAP, REST, and Spring Boot.
• Hands-on experience with IBM WAS, WLP, and Linux/Unix systems.

Responsibilities

• Design, develop, and maintain middleware solutions.
• Implement and manage APIs using REST and SOAP protocols.
• Ensure high availability, performance, and security of middleware applications.

Skills

Java

Spring Boot

REST

SOAP

SQL Server

IBM WebSphere

Linux/Unix

Docker

Azure DevOps

Jira

Confluence

Job description

Connecting Top Tech Talent with Game-Changing Opportunities | Talent Acquisition Specialist | Technical Recruitment Expert

Job Overview

We are looking for an experienced Middleware Specialist with strong expertise in middleware technologies and enterprise integration platforms. The successful candidate will play a key role in designing, developing, and maintaining middleware solutions that connect critical systems and support seamless business operations.

This role requires a hands‑on professional with at least 5 years of experience in middleware development, integration, and administration across Java‑based and IBM middleware environments.

Key Responsibilities

• Design, develop, and maintain middleware solutions using Java, Spring Boot, and related technologies.
• Implement and manage APIs using REST and SOAP protocols.
• Configure and administer IBM WebSphere Application Server (WAS) and WebSphere Liberty Profile (WLP).
• Integrate middleware solutions with DataPower, APIConnect, and Business Automation Workflow (BAW).
• Ensure high availability, performance, and security of middleware applications within Linux/Unix environments.
• Manage and optimize SQL Server databases supporting middleware systems.
• Use Docker for containerization and deployment of middleware services.
• Leverage Azure DevOps for CI/CD pipeline management and automated deployments.
• Utilize Jira and Confluence for project tracking and documentation.
• Troubleshoot, diagnose, and resolve middleware‑related issues.
• 5+ years’ experience in middleware development and administration.
• Strong proficiency in Java, JSON, SOAP, REST, and Spring Boot.
• Hands‑on experience with IBM WAS, WLP, and Linux/Unix systems.
• Experience integrating with DataPower, APIConnect, and BAW.
• Solid knowledge of SQL Server database management.
• Familiarity with Docker and container orchestration tools.
• Experience with Azure DevOps CI/CD pipelines.
• Working knowledge of Jira and Confluence.
• Excellent analytical, troubleshooting, and communication skills.

Ability to work independently and collaboratively

Seniority level

• Mid-Senior level

Employment type

• Contract

Job function

• Information Technology
• IT Services and IT Consulting

Technology/Domain Specialist II (OVA4923)