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Johannesburg North: Senior Back-End Developer posted by Network Finance

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Job Description

Key Responsibilities:

  • Back-end Development: Architect, develop, and optimize scalable applications using Java and Spring Boot.
  • Database Operations: Implement advanced query optimization for PostgreSQL and Cassandra, ensuring efficient and reliable data management.
  • API Development: Build and secure RESTful APIs (OpenAPI) and GraphQL services, implementing security best practices with OAuth2.0, JWT, and API gateways.
  • Microservices & Event-Driven Systems: Design resilient distributed services within a microservices architecture using Kafka or RabbitMQ.
  • Cloud & Containers: Lead deployment strategies with Docker, Kubernetes, and AWS, ensuring scalability and high availability.
  • Engineering Best Practices:
    • Drive CI/CD automation and release pipelines.
    • Ensure code quality with SonarCloud and SonarLint.
    • Apply static analysis, automated testing, and performance benchmarking.
  • Security & Compliance: Implement secure authentication workflows and ensure adherence to OWASP security guidelines.
  • System Design & Performance: Develop architecture diagrams, caching strategies, and load balancing solutions.
  • Testing & QA: Define test strategies with JUnit, Mockito, and automated frameworks to ensure reliability and stability.


Requirements:

  • Minimum 5 years of back-end engineering experience (preferably 7+ years) in distributed systems, cloud environments, or microservices.
  • Strong proficiency in Java, Spring Boot, and cloud-native development.
  • Hands-on experience with Docker, Kubernetes, and AWS.
  • Proven track record in system design, API security, and performance optimization.
  • Bachelor’s Degree in Computer Science/Engineering (or equivalent experience).
  • Fluent in English, with excellent communication skills.
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Apply now!
 
For more IT jobs, please visit www.********.co.za
 
If you have not had any response in two weeks, please consider the vacancy application unsuccessful. Your profile will be kept on our database for any other suitable roles/positions.

For more information contact:
Reinie Du Preez
Senior Specialist Recruitment Consultant
E-mail: *****@*****.co.za



GO APPLY NOW

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