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Senior Back-End Developer
Network RecruitmentJohannesburg, South Africa30+ days ago
Job descriptionEnsure 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. 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. Bachelors Degree in Computer Science / Engineering (or equivalent experience). Fluent in English, with excellent communication skills.
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.
Requirements :
Apply now!
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Senior Developer • Johannesburg, South Africa
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