Snr Full Stack Developer (Kafka)

Flash Group; Wes-Kaap; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A technology solutions company is seeking a Senior Full Stack Developer in South Africa's Wes-Kaap region. You will develop and manage applications while collaborating with teams and clients. Required skills include experience in NoSQL databases, Apache Spark, and REST APIs. This position requires 8–10 years of software development experience and involves technical leadership and mentoring junior members.

Qualifications

• Minimum of 8–10 years of experience in software development.

Responsibilities

• Assist in solving complex technical problems across different teams and tech stacks.
• Support and enhance an established, multi-faceted technology platform.
• Work with Solutions Architects and Team Leads to deliver on business requirements.
• Provide work estimates based on analyzed business and technical requirements.
• Collaborate closely with QA to identify development and production issues.
• Ensure changes are unit and integration tested, documented, and optimized.
• Support and mentor junior team members.
• Design client-side and server-side architecture.
• Build front-end applications with visually appealing design.
• Test software for responsiveness and efficiency.

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)

Tools

C# .Net Core

Identity Server authentication

Cloud Native architecture

Docker

Kubernetes

Azure DevOps

Redis

RabbitMQ

Job description

Senior Full Stack Developer

We are looking for a Senior Full Stack Developer who 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.

Responsibilities

• Assist in solving complex technical problems across different teams and tech stacks.
• Support and enhance an established, multi‑faceted technology platform and its associated third‑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.
• Collaborate closely with QA to identify development and production issues.
• Take responsibility for ensuring changes are unit and integration tested, documented, and optimized to meet benchmarks.
• Handle out‑of‑hours production releases and support when necessary.
• Support and mentor junior team members.
• 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.

Minimum Requirements

• Minimum of 8–10 years of 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 solving.
• Ability to lead projects.
• Ability to communicate technology in non‑technical terms to colleagues and clients.
• Ability to work calmly and methodically under pressure.