Full Stack Developer (Chief Expert) 0386

Recruiter:

Open Source (Pty) Ltd

Job Ref:

JHB001754/DL

Date posted:

Thursday, April 9, 2026

Location:

Menlyn, South Africa

SUMMARY:
We are looking for a highly experienced Full Stack Developer (Chief Expert) to lead the design and delivery of complex enterprise integration solutions within a global IT environment.

This is a senior, strategic role suited to an expert who combines deep technical capability with strong architectural thinking and stakeholder engagement.

POSITION INFO:

About the Role

You will play a key role in building and evolving a large-scale eInvoicing platform, enabling seamless exchange of financial documents across multiple systems and external partners.
This role requires deep expertise in enterprise integration, SAP, and cloud technologies, along with the ability to design, build, and optimise highly complex, high-volume systems.

Key Responsibilities

Architecture & Integration Design

Translate business requirements into scalable technical architectures
Design and lead integration solutions across SAP, EAI, Java, and cloud platforms
Define interface designs using IDoc, XML, and JSON formats
Evaluate and modernise existing integration landscapes

Development & Implementation

Perform hands-on Java development for integration components
Lead implementation across complex, multi-system environments (100+ interfaces)
Design and implement transformation logic (IDoc to XML/JSON)
Support deployment and production readiness

Cloud & Platform Engineering

Work with Azure and SAP Cloud Platform for integration solutions
Drive modernisation using event-driven architectures (e.g. Kafka)
Collaborate with DevOps teams on CI/CD, automation, and infrastructure

Monitoring & Reliability

Implement end-to-end monitoring, logging, and observability
Build dashboards to track system health, transactions, and KPIs
Define and maintain operational and deployment runbooks
Ensure high availability, performance, and scalability

Leadership & Strategy

Engage with stakeholders to define and prioritise requirements
Lead migration planning and recommend future-state architectures
Mentor and guide junior developers and integration engineers
Drive best practices across design, testing, and delivery

Essential Skills & Experience

Strong experience in Java development within enterprise environments
Deep knowledge of enterprise integration patterns and middleware (EAI)
Proven SAP FI experience and integration knowledge
Hands-on experience with IDocs and mapping to XML/JSON
Experience working with high-volume, multi-partner integration systems
Strong understanding of cloud platforms (Azure) and SAP Cloud Platform
Experience implementing monitoring, logging, and observability solutions
Strong stakeholder engagement and communication skills

Advantageous

Experience with eInvoicing or financial systems
Apache Kafka / event-driven architectures
SAP integration technologies (PI/PO, CPI, BAPI)
Docker, Kubernetes, AKS
CI/CD pipelines (Azure DevOps, GitHub Actions, Terraform)
Security and compliance in financial integrations
Performance tuning and large-scale system optimisation
Dashboarding and reporting tools (e.g. Azure dashboards, BI tools)
AI-driven automation or analytics within DevOps/integration environments

Qualifications

Degree in Computer Science, Software Engineering, or related field
5+ years’ experience in enterprise integration, middleware, or systems architecture
Proven delivery of complex integration solutions across multiple systems

Happy to proceed?? I am waiting to hear from you,

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