Senior Java Developer

1 week ago

Johannesburg South Africa iDbase Software Full time

About the Role We are seeking a highly experienced Senior Java Developer to join our team. You will design, develop, and maintain scalable enterprise-grade applications using Java and modern frameworks. This role emphasizes cloud-native development, microservices architecture, and high-performance, secure coding practices. It is ideal for a seasoned engineer who thrives in collaborative Agile environments, embraces continuous learning, and is passionate about delivering robust, maintainable software solutions.   Key Responsibilities Development & Architecture Design, develop, and maintain backend applications using Java 8+, Spring, and Spring Boot. Build microservices-based architectures with reusable and modular components. Develop and integrate RESTful APIs and event-driven services. Implement solutions using Apache Kafka for messaging and streaming. Ensure high availability, scalability, and security of applications. Apply best practices in coding, architecture, and DevOps for maintainable and extensible solutions. Databases & Cloud Work with relational databases such as MS SQL and PostgreSQL and NoSQL databases like MongoDB. Design and optimize database queries, schema, and indexes for performance. Implement cloud-native solutions using AWS services such as EC2, S3, RDS, Lambda, and API Gateway. Monitor and optimize cloud-based applications for performance and cost efficiency. Containerization & DevOps Containerize applications using Docker and manage orchestration using Kubernetes / EKS. Implement CI/CD pipelines using Jenkins, GitHub Actions, or Azure DevOps. Monitor applications using logging and performance tools such as CloudWatch, Prometheus, Grafana. Maintain unit tests, integration tests, and automated test frameworks to ensure code quality. Collaboration & Process Collaborate with product managers, QA engineers, DevOps, and other developers in an Agile/Scrum environment. Participate in code reviews, architecture discussions, and knowledge-sharing sessions. Mentor junior developers and contribute to team growth and skill development. Translate functional and technical requirements into high-quality software solutions.   Requirements & Qualifications Must-Have Skills: 5+ years of professional experience in Java development. Strong experience with Spring and Spring Boot frameworks. Hands-on experience with MS SQL, PostgreSQL, and MongoDB. Experience with Apache Kafka for messaging and streaming. Cloud experience with AWS (EC2, S3, RDS, Lambda). Containerization experience using Docker and orchestration with Kubernetes / EKS. Familiarity with microservices architecture and RESTful APIs. Strong problem-solving skills, attention to detail, and secure coding practices. Highly Desirable Skills: Experience with event-driven architectures and message queues. Knowledge of performance optimization, monitoring, and observability. Familiarity with CI/CD pipelines, automated testing, and DevSecOps practices. Exposure to Infrastructure as Code (Terraform, CloudFormation, or ARM templates).   Education Bachelor’s degree, higher certificate, or diploma in Computer Science, Software Engineering, IT, or a related field.   Additional Information Contract Duration: 12 Months (with possibility of renewal) Salary: Negotiable Location Options: Johannesburg / Cape Town / Remote Must be located in South Africa or have a valid work permit for South Africa

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