API Specialist (Integration, Middleware & Data Flows) (Onsite – JHB) (Contract)

Recruiter:

Datafin IT Recruitment

Job Ref:

1603578720

Date posted:

Wednesday, April 1, 2026

Location:

Johannesburg, South Africa

SUMMARY:
-

POSITION INFO:

ENVIRONMENT:

A purpose-driven conservation organisation operating across 13 African countries is building a unified, data-driven platform to support ecological, operational, and financial decision-making. Their environment is highly complex, consisting of interconnected systems operating across remote regions with intermittent connectivity. They are seeking an API Specialist to focus on designing, building, and maintaining integration layers between systems, devices, and their central data warehouse. This role forms a critical part of breaking down the broader Enterprise Architecture function into focused delivery components

DUTIES:

Design, build and maintain APIs and middleware for system integrations
Enable secure, reliable data flow between systems and the central data warehouse
Develop and manage store-and-forward / offline-first integration patterns
Implement error handling, monitoring, and retry mechanisms across integrations
Collaborate with BI, IT, and system owners to ensure data consistency and integrity
Document API structures, data mappings, and integration logic
Support data ingestion pipelines into downstream platforms
Work closely with vendors to ensure integration standards are met

REQUIREMENTS:

4+ years’ experience in API development and system integration
Strong experience with REST APIs, middleware, and distributed systems
Experience with data pipelines and system-to-system integrations
Solid understanding of data structures, transformations, and validation
Experience working in cloud or hybrid environments
Ability to troubleshoot and resolve integration and data flow issues

Advantageous:

Experience with event-driven architecture (queues, messaging systems)
Exposure to IoT integrations or device data ingestion
Knowledge of offline-first or low-connectivity environments

ATTRIBUTES:

Strong problem-solving and analytical mindset
Detail-oriented with strong documentation ability
Ability to work across teams and systems
Comfortable in complex, evolving environments

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