Full Stack Developer (Senior) 0866

Recruiter:

Open Source (Pty) Ltd

Job Ref:

JHB001827/KMM

Date posted:

Wednesday, May 20, 2026

Location:

Menlyn, South Africa

SUMMARY:

Senior BackâEnd Engineer â Kafka | Java (Quarkus) | CloudâNative Platforms

Core Tech: Kafka
- Java (Quarkus)
- Kubernetes
- Cloud (Azure / AWS)

POSITION INFO:
Weâre looking for a Senior BackâEnd Engineer to own and evolve highâthroughput, Kafkaâdriven platforms in a modern cloud environment. Youâll operate close to the data, close to production, and close to the decisions that shape the system.

KafkaâCentric Data Platforms

Design, build, and optimise Kafka producers, consumers, and connectors
Own eventâdriven data pipelines that feed enterprise systems
Ensure correctness, resilience, replayability, and observability of streaming workloads
Troubleshoot and optimise performance across multiâsystem integrations

Java & Quarkus Services

Develop highâperformance backend services using Java with Quarkus
Apply clean architecture, performance tuning, and modern JVM practices
Translate complex and sometimes vague requirements into clear, scalable solutions

CloudâNative Runtime

Deploy and operate services on Kubernetes
Work within Azure or AWS using standardised cloud platforms
Apply best practices for secrets management, configuration, and secure serviceâtoâservice communication
Monitor systems using cloudânative and platform monitoring tools

ESSENTIAL SKILLS

Kafka streaming technologies (real production experience matters)
Java backend engineering, ideally with Quarkus or similar modern frameworks
Distributed systems and microservice architectures
Cloud platforms (Azure or AWS) and Kubernetes runtimes
API design, system integration, and performance optimisation

ADVANTAGEOUS SKILLS

Understand security concepts in distributed systems
Have solid SQL and dataâmapping experience
Have integrated systems with large enterprise backends (ERPâstyle systems)
Can turn handsâon experience into clear technical documentation
Enjoy mentoring others and raising engineering standards

QUALIFICATIONS/EXPERIENCE:

Relevant IT / Computer Science degree / certification
5 yearsâ experience
KAFKA Streaming / Programming Certification
Cloud Certification (Azure or AWS)

NB. Please send cvs toÂ kundai.

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