21 Java developer (senior) Jobs and Work in Sandton Gauteng 2196

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 stackcombining 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.

Key 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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