Back-End Developer (Senior) 2323

Recruiter:

Open Source (Pty) Ltd

Job Ref:

JHB001818/KMM

Date posted:

Friday, April 17, 2026

Location:

Midrand, South Africa

SUMMARY:

Senior Data Integration & Application Engineer

Java (Quarkus) | Kafka | Azure | Kubernetes

We are seeking a Senior Data Integration & Application Engineer to support and evolve enterpriseâcritical data pipelines and applications integrating with the MDBB SAP S/4HANA ecosystem.
This role sits at the core of streaming data integration, Java application development, and cloudânative operations on companyâstandardised cloud platforms. You will work closely with Product Owners, business stakeholders, and external partners to ensure reliable, secure, and scalable data flows across systems.
This is not a dataâscience role, not a frontend role, and not a pure DevOps/SRE position.
It is a handsâon engineering role with strong ownership of Kafkaâbased data pipelines, Java services, and Azure infrastructure.

POSITION INFO:

Key Responsibilities

Data Pipeline Management

Maintain and optimise incoming data pipelines integrating with the MDBB SAP System
Ensure data accuracy, reliability, and throughput using Kafka (producers, consumers, connectors) and other ingestion mechanisms
Monitor pipeline health and proactively resolve issues

Application Development

Design, develop, and enhance Java applications using Quarkus and Maven
Implement coding best practices and apply performance optimisation techniques
Align application implementations with company Architecture standards and best practices

Configuration & Mapping Enhancements

Collaborate with Product Owners and business stakeholders to gather requirements
Implement and maintain data mappings and configurationâdriven integrations
Adapt solutions to evolving business needs while maintaining system stability

Cloud & Platform Operations

Deploy and manage applications on standard Azure platforms
Use Azure Kubernetes (AKS) and Azure Key Vault to ensure scalability, security, and resilience
Monitor applications using Azure monitoring tools and dashboards

Collaboration, Leadership & Communication

Steer and facilitate technical discussions and meetings with external parties and Product Owners
Work autonomously while contributing actively within crossâfunctional teams
Translate company standards into actionable engineering implementations

Troubleshooting & Continuous Improvement

Provide production support and troubleshoot complex integration issues
Proactively identify improvements to architecture, pipelines, and operational processes
Stay current with industry trends and promote adoption of new, relevant technologies

Documentation

Produce and maintain clear technical documentation covering:
- Data pipelines
- Application architecture
- Integration methodologies
Enable knowledge sharing and onboarding within internal teams

Essential Skills & Experience

Candidates must demonstrate strong experience in the following:

Kafka Streaming Technology
- Producers, Consumers, Connectors
Java application development
- Quarkus
- Maven
Strong programming fundamentals
- Coding best practices
- Application performance optimisation
Cloud platforms
- Azure (preferred) or AWS
Kubernetes (enterpriseâscale)
Experience with Architecture standards and the ability to apply them to product requirements
Understanding that provides standard cloud platforms for service provisioning
Strong communication skills with the ability to manage:
- External stakeholders
- Product Owners
Experience using Azure monitoring and observability tools
Highly proactive, selfâdriven, and able to work autonomously within a team environment
Ability to lead discussions, troubleshoot efficiently, and take ownership

Advantageous Skills

The following will be considered a strong advantage:

Security concepts and principles (cloud & application security)
SQL and relational database knowledge
Integration between disparate enterprise systems
Containerisation experience (Docker)
Deep understanding of Azure infrastructure and services
Ability to quickly learn and promote internal tools and languages
Experience translating handsâon solutions into formal documentation
Knowledge of SAP S/4HANA integration

Qualifications & Certifications

Relevant IT / Computer Science degree or certification
5+ years’ professional experience
Kafka Streaming / Programming certification
Cloud certification (Azure or AWS)

Apply with your CV and a short summary highlighting your experience with Kafka, Java (Quarkus), Azure, and enterprise data integration

NB. Please send cvs to kundai.

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