Java Developer (Senior), Johannesburg

Overview Khonology is a digital services and technology engineering company. Our teams build modern, scalable, and resilient solutions that enable our clients to operate, innovate, and grow. The Senior Java Developer plays a critical role in delivering complex enterprise systems. This role spans the full technology stack combining deep expertise in back-end Java development with strong capability across front-end frameworks, APIs, integrations, cloud services, and modern engineering practices. Senior developers at Khonology are expected not only to build high-quality software but also to guide solution design, lead technical decision-making, mentor engineering teams, and ensure that systems are robust, secure, and built for scale.

Responsibilities

Build robust back-end services and APIs using Java, or similar technologies.

Develop and maintain responsive web applications using modern front-end frameworks (e.g. React).

Design and manage relational and NoSQL databases (e.g., PostgreSQL, MySQL).

Collaborate with cross-functional teams to define, design, and ship new features.

Write clean, maintainable, and testable code.

Implement CI/CD pipelines and deploy applications to cloud platforms (e.g., AWS, Azure).

Troubleshoot, debug, and upgrade existing systems.

Stay up to date with emerging technologies and industry trends.

Required Skills&Experience

8 years+ Experience

Proven experience as a Full Stack Developer or similar role.

Proficiency in front-end languages (HTML, CSS, JavaScript) and frameworks.

Strong back-end development skills with experience in RESTful APIs

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