Johannesburg: Senior Java Developer (JHB Hybrid) posted by Datafin
Posted on 2025-06-17 00:00:00
| Employer | Datafin |
|---|---|
| Category | Development |
| Location | Gauteng / Johannesburg |
Job Summary
Johannesburg – Gauteng – South Africa
- Client-Facing Web Systems Development: Develop and maintain all client-facing web systems, ensuring high performance, scalability, and security for customers.
- Integration of Hardware and Apps: Develop and maintain linking servers and interfaces that connect hardware to mobile and web applications, enabling seamless data flow and user interaction.
- New System Development: Design, develop, and implement new systems and features that align with the organisations vision in the security industry, providing cutting-edge solutions for customers.
- System Maintenance & Incident Management: Respond promptly to any critical system failures or breaks, ensuring minimal downtime and swift resolution of issues.
- Cross-Functional Collaboration: Work closely with a team of Backend, Frontend, Mobile, and Firmware Engineers to solve complex security problems, ensuring a cohesive and robust solution across the technology stack.
- Timely Feedback & Communication: Provide timely feedback to the R&D Department for any assigned tasks, ensuring alignment with project goals and deadlines.
- API & Business Logic Development: Develop and maintain robust back-end APIs and business logic
- to support new features and enhancements.
- Cloud Database & Server Maintenance: Regularly maintain and update cloud databases, servers, and associated services to ensure smooth operations.
- DevOps Pipeline Maintenance: Oversee and maintain the DevOps pipeline in Azure DevOps to ensure efficient continuous integration and delivery of code changes.
- Software Build Process Management: Take ownership of the software build process, developing redundancy into systems to ensure reliability and minimal downtime.
- System Performance Analysis: Utilize data from MSSQL, MySQL, Azure Portal, AWS Console, and third-party tools to analyse and improve system performance and scalability.
- Downstream Process Feedback: Provide feedback to the team on any downstream process issues that may affect customer systems, ensuring timely resolution.
- Customer Support Collaboration: Assist the Testing and Support teams with customer-reported issues, ensuring that issues are triaged and resolved effectively.
- Degree in Computer Science, Engineering, or related field (preferred).
- 5+ Years relevant work experience.
- Java Expertise: Strong proficiency in Java and experience working with Java-based frameworks such as Spring Boot.
- AWS Knowledge: Familiarity with Amazon Web Services (AWS) to leverage cloud infrastructure for system deployments, monitoring, and scaling.
- DevOps Familiarity: Strong understanding of DevOps practices and tools, particularly with Azure DevOps.
- Database Expertise: In-depth knowledge of working with databases such as MSSQL, MySQL, and cloud-based databases (e.g., in AWS and Azure).
- Problem-Solving & Performance Optimization: Ability to analyse, troubleshoot, and improve system performance based on data insights from various monitoring tools.
- .NET Experience (Bonus): Experience working with .NET technologies.
- Full Stack Experience (Bonus): Experience in Full-Stack Development, with knowledge of both Backend and Frontend technologies.
- Reliable, motivated and adaptable.
- Deadline Driven.
- Highly analytical, Innovative, able to work in a team.
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