Senior Full Stack Java Developer

Gap Infrastructure Corporation; Gauteng; On-site; ZAR 600,000 - 900,000; Full time

Job summary

A leading company in South Africa is seeking a Senior Full Stack Java Developer to work collaboratively in a dynamic environment. The successful candidate will have a strong focus on coding and software solutions, with responsibility for developing applications and mentoring junior developers. Candidates should have extensive experience with Java, Spring Boot, and various databases, along with strong problem-solving skills. This role offers the opportunity to contribute to high-performance projects and support knowledge transfer within the team.

Qualifications

• 8+ years of experience in Java development with strong expertise in Spring Boot.
• Hands-on experience with GraphQL API and RESTful Web Services.
• Strong experience in JPA / Hibernate for ORM.

Responsibilities

• Design, develop, and maintain high-performance Spring Boot applications.
• Optimize database performance and query execution.
• Participate in code reviews and architecture discussions.

Skills

Java

Spring Boot

JPA

Hibernate

GraphQL

RESTful Web Services

MSSQL

MySQL

JSF

Angular

Education

BTech Computer Science

BTech Informatics

Tools

Bitbucket

JIRA

Maven

Job description

Job title : Senior Full Stack Java Developer Job Location : Gauteng, Centurion Deadline : June 08, Quick Recommended Links Jobs by Location Job by industries Key Responsibilities : As a Senior Full Stack Software Developer, you will work hands-on with the codebase alongside the Developer Team Lead and Architect.

The ideal candidate will have extensive experience in Spring Boot (JAVA), JPA / Hibernate, Liquibase and relational databases (MSSQL & MySQL).

This role requires someone who is a strong coder with a focus on delivering functional and efficient software solutions.

Development & Coding : Design, develop, and maintain high-performance Spring Boot applications.

Implement JPA / Hibernate and Liquibase 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 (Prime Faces), 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.

Participate in code reviews, architecture discussions, and best-practice implementations.

Troubleshoot production issues, ensuring system stability and performance.

Collaborate closely with the Developer Team Lead and Architect to integrate new features and improvements.

Contribute to mentorship for junior developers to improve overall team proficiency.

Assist in organizing knowledge transfer sessions on Java, Spring Boot, GraphQL, and software design patterns.

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

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

Requirements Education : BTech Computer Science; BTech Informatics or relevant / equivalent qualification 8+ 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 and Liquibase for ORM (Object-Relational Mapping) and database interaction.

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

Experience with JSF (PrimeFaces) for UI development.

Knowledge of Angular.

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 writing high-quality, maintainable, and efficient code.

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

Excellent problem-solving and debugging skills.