Senior Java Developer (Kafka)

Flash

2026/02/25 Western Cape

Job Reference Number: T236

Department: Technology

Business Unit: Industry: Fintech

Job Type: Permanent

Positions Available: 1

Salary: Market Related

We are looking for a Senior Full Stack Developer will develop and manage applications, databases, and software solutions, collaborating with internal teams, data scientists, and client technical teams. The role includes technical leadership, empowered execution, and supporting sales/projects from a technical perspective

Job Description Day to day responsibilities will include:

• Use your experience to assist different solve complex technical problems across different teams and tech stacks
• Support and enhancement of an established, multi-faceted technology platform, and associated 3rd party integrations.
• Work with Solutions Architects and other Team Leads to deliver on business requirements
• Provide work estimates based on analyzed business and technical requirements.
• Working closely with QA to identify development and production issues.
• Taking responsibility for ensuring changes are:
• unit and integration tested
• documented
• optimized to ensure benchmarks are met.
• Assisting in out of hours’ production releases when required, as well as out-of-hours support when necessary.
• Support and mentor junior team members in the team.
• Design client-side and server-side architecture
• Build front-end applications with visually appealing design
• Develop and manage databases, applications and APIs
• Test software for responsiveness and efficiency
• Troubleshoot, debug, and upgrade software
• Create security and data protection settings
• Build features and applications
• Collaborate with data scientists and analysts

Job Requirements

MINIMUM REQUIREMENTS:

• Have a minimum of 8 -10 years’ experience in software development

TECHNICAL SKILLS:

• Cassandra or similar NoSQL database
• Graph technology (graph database)
• Apache Spark
• JSON REST Service and APIs
• Apache Kafka or other message queue/middleware
• Notebook environments (e.g., Jupyter)

Advantageous Skills

• C# .Net Core
• Identity Server authentication.
• Cloud Native architecture
• Docker
• Kubernetes
• Azure DevOps
• Redis
• RabbitMQ

COMPETENCIES

• Problem solver
• Ability to lead projects
• Ability to communicate about technology in non-technical terms to colleagues and client
• Ability to work calmly and methodically when under pressure