Intermediate Full Stack Java Developer

SavageOne Pty Ltd; Johannesburg; On-site; ZAR 500 000 - 700 000; Full time

Job summary

A dynamic technology company is seeking an Intermediate Full Stack Developer skilled in Java (Spring Boot) and React to join their fast-paced team in Johannesburg. This role involves building RESTful APIs, optimizing performance, and contributing to system architecture. The ideal candidate has over 5 years of experience in full stack development and is proficient in modern technologies. Mentorship and professional growth opportunities are provided, alongside exposure to challenging projects.

Benefits

Ongoing mentorship

Professional development support

Clear path to senior roles

Qualifications

• 5+ years of full stack development experience in a production environment.
• Solid understanding of RESTful API principles and integration.
• Ability to troubleshoot independently and take ownership of assigned modules.

Responsibilities

• Build and integrate RESTful APIs using Java (Spring Boot) and Express.js.
• Write clean, efficient, and scalable code with proper documentation.
• Debug, optimize, and ensure high performance across all platforms.

Skills

Java (Spring Boot)

React

Node/Express.js

RESTful APIs

Git

Communication

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Docker

AWS

Swagger/OpenAPI

Job description

About the job Intermediate Full Stack Java Developer

About the Role

We're seeking an Intermediate Full Stack Developer to join our fast-paced, collaborative team. If you have hands-on experience with both frontend and backend development, and you're excited about solving real-world problems using modern technologies like React, Java (Spring Boot), and Node/Express.js, this role is for you.

Youll play a key role in building scalable applications, improving system performance, and collaborating across functions to bring features from concept to deployment.

Responsibilities

Build and integrate RESTful APIs using Java (Spring Boot) and Express.js

Write clean, efficient, and scalable code with proper documentation

Contribute to system architecture and design discussions

Participate in code reviews and help mentor junior developers when needed

Debug, optimize, and ensure high performance across all platforms

Collaborate closely with designers, QA, and product teams to deliver new features

Proactively contribute to process improvements and technical decision-making

Requirements

Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent practical experience

+5 years of full stack development experience in a production environment

Proficiency with:

Solid understanding of RESTful API principles and integration

Familiarity with Git and modern version control workflows

Ability to troubleshoot independently and take ownership of assigned modules

Strong communication skills and ability to work in cross-functional teams

Nice-to-Haves

Experience with Docker and containerized environments

Exposure to AWS (e.g., Lambda, S3, SQS) or other cloud services

Familiarity with Swagger/OpenAPI for API documentation

Experience with Agile/Scrum methodologies

Understanding of CI/CD pipelines and deployment automation

What We Offer

A high-performing, collaborative engineering team

Exposure to challenging, modern tech stacks and scalable systems

Opportunities to lead and own key features or modules

Ongoing mentorship and professional development support

A clear path to senior engineering roles