Senior Developer

1 day ago

Soweto, Gauteng, South Africa Gap infrastructure Full time R1 800 000 - R2 500 000 per year

We are seeking a highly skilled Java Developer to lead our development team in designing, building, and maintaining enterprise-grade systems. The ideal candidate will have extensive experience in Spring Boot, JPA/Hibernate, and relational databases (MSSQL & MySQL). Additionally, this role requires team leadership, mentoring junior developers, and driving knowledge transfer to upskill the team.

As a Senior Java Developer, you will not only contribute to coding and architectural decisions but also manage and guide a team of developers, ensuring best practices and high-quality deliverables in an Agile environment.

Key Responsibilities

Development & Architecture

  • Design, develop, and maintain high-performance Spring Boot applications.

  • Implement JPA/Hibernate for efficient database interactions with MSSQL and MySQL.

  • Develop GraphQL APIs, ensuring efficient data querying and flexibility in API consumption.

  • Optimize database performance and query execution for scalability and efficiency.

  • Develop and maintain UI components using JSF (PrimeFaces), with optional contributions to Angular-based front-end projects.

  • Ensure application security, performance, and scalability using industry best practices.

  • Utilize Bitbucket (Git) for source control, JIRA for Agile task management, and Maven for dependency management and build automation.

  • Lead code reviews, architecture discussions, and best-practice implementations.

  • Troubleshoot production issues, ensuring system stability and performance.

Leadership & Team Management

  • Lead and manage a team of developers, ensuring best practices are followed.

  • Conduct mentorship and training sessions for junior developers to improve overall team proficiency.

  • Organize knowledge transfer sessions on Java, Spring Boot, GraphQL, and software design patterns.

  • Collaborate with cross-functional teams including business analysts, UI/UX designers, and DevOps teams.

  • Guide the team through Agile methodologies, Sprint Planning, and Scrum practices.

Required Qualifications

  • 5+ years of experience in Java development with strong expertise in Spring Boot.

  • Hands-on experience with GraphQL API and RESTful Web Services development and optimization.

  • Strong experience in JPA/Hibernate for ORM and database interaction.

  • Proficiency in MSSQL and MySQL, with strong database performance tuning skills.

  • Experience with JSF (PrimeFaces) for UI development.

  • Knowledge of Angular (optional but a plus).

  • Experience with Bitbucket (Git) for source control and JIRA for Agile project tracking.

  • Strong knowledge of Maven for dependency management and build automation.

  • Proven experience in leading development teams, mentoring junior developers, and conducting knowledge-sharing sessions.

  • Strong understanding of RESTful APIs, GraphQL, and microservices architecture.

  • Excellent problem-solving and debugging skills.

Preferred Qualifications

  • Experience with Docker, Kubernetes, and cloud platforms (AWS, Azure, GCP).

  • Familiarity with unit testing frameworks such as JUnit and Mockito.

  • Experience in CI/CD pipelines, DevOps best practices, and automated deployments.

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