Full Stack Developer (Senior) 0866
Open Source (Pty) Ltd Menlyn
Were looking for a Senior BackâEnd Engineer to own and evolve highâthroughput, Kafkaâdriven platforms in a modern cloud environment. Youll 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
- 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
- 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
- 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
- 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 years experience
- KAFKA Streaming / Programming Certification
- Cloud Certification (Azure or AWS)
Open Source (Pty) LtdMenlyn
engineers when needed
Essential Experience
• 6+ years enterprise software development experience
• Proven seniority through:
• Backend architecture ownership
• Technical decisionâmaking
• Responsibility for code quality, performance, and stability...
Open Source (Pty) LtdMenlyn
governance
QUALIFICATIONS/EXPERIENCE:
• Fluent English-speaking, including Business reading and writing
• Information Technology Qualification
• ServiceNow Certified Systems Administrator
• ServiceNow Certified Application Developer
• Minimum of 5 years...
ImiziziMenlyn
Mentor junior developers and contribute to knowledge sharing within the team.
QUALIFICATIONS/EXPERIENCE:
• Bachelors degree in Computer Science, Software Engineering, or a related field.
• Minimum of 5 years of experience in Java software development...