Systems Integration Engineer

Systems Integration Engineer POS26199

Based: Johannesburg

Salary: MR

Contract position

Systems Integration Engineer is responsible for designing and implementing secure, reliable connections between internal services, payment platforms, and third-party systems. This role focuses on building robust middleware, managing API contracts, and ensuring production stability through advanced operational controls.

Experience & Qualifications

• Bachelors Degree or Advanced Diploma in Computer Science, Engineering, or Mathematics.
• Experience Levels:
• Intermediate: 46+ years of experience. Or Senior: 710+ years of experience.
• Experience with API gateways, ESB/iPaaS, and message brokers.
• Familiarity with payments environments, PCI DSS, and OWASP Top 10.
• Able to break complex problems into clear delivery increments.
• Skilled at explaining technical constraints to non-technical stakeholders.
• Resilient in fast-paced environments with a passion for continuous learning

Required Technical Skills

• API & Messaging: Deep knowledge of OpenAPI specifications, versioning, and enterprise integration patterns (routing, transformation).
• Security: Working knowledge of OAuth 2.0 and secure system-to-system integration practices.
• Troubleshooting: Ability to diagnose distributed systems using logs, traces, and metrics.
• Testing: Strong experience in contract testing and integration testing strategies

Key Responsibilities

• Integration Design: Create secure integrations using API-led and message-driven approaches, defining schemas, payloads, and error models.
• Development & Maintenance: Build middleware services, connectors, and orchestration flows for both synchronous and asynchronous patterns.
• Operational Excellence: Implement retries, idempotency, and end-to-end monitoring to ensure production stability and handle failures.
• DevOps & Security: Contribute to CI/CD automation and collaborate with platform teams to meet security and compliance standards.

How to Apply