Software Developer (Cloud / IoT) (JavaScript, Node.js, AWS) – Johannesburg / Cape Town (Hybrid) at Datafin Recruitment

ENVIRONMENT:

• A global leader in safety and industrial technology is expanding its IoT and cloud platform capabilities, building cutting-edge solutions that connect HVAC-R systems, gas detection hardware, and OEM equipment into a unified, cloud-driven ecosystem.
• Their South African engineering team collaborates closely with international teams across Germany and the USA to deliver scalable, real-time monitoring and data-driven systems.
• They are looking for a Software Developer to join a modern, Agile, product-driven environment focused on building impactful, large-scale industrial IoT solutions.

DUTIES:

• Design, develop and maintain cloud-native backend services and microservices
• Build and enhance AWS-based infrastructure, APIs, and data pipelines
• Develop integration capabilities for IoT devices and third-party systems
• Collaborate with Product, QA and Hardware teams to deliver features
• Participate in architecture discussions, code reviews, and best practices
• Ensure system reliability, scalability, and performance in production
• Contribute to CI/CD pipelines, automation, and internal tooling
• Support continuous improvement within an Agile engineering environment

REQUIREMENTS:

Qualifications & Experience:

• Bachelor’s degree in Computer Science, Engineering or related field
• Minimum 2+ years’ software development experience
• Strong JavaScript and Node.js development skills
• Experience working with REST APIs and distributed systems
• SQL experience (PostgreSQL preferred)
• Understanding of cloud platforms (AWS preferred)
• Comfortable working in Linux environments
• Knowledge of web technologies (HTML, CSS, JavaScript)

Advantageous:

• TypeScript and modern frontend frameworks (Angular or similar)
• Experience with Docker, Terraform, Ansible or CI/CD pipelines
• Exposure to IoT systems, device integration, or industrial protocols (MQTT, Modbus, BACnet) C / C++ experience (for device-level integrations)
• Mobile development exposure (Android / iOS)

ATTRIBUTES:

• Strong problem-solving and analytical mindset
• Self-driven with the ability to take ownership of work 
• Collaborative team player with strong communication skills 
• Curious, adaptable, and eager to learn new technologies 
• Ability to work in a fast-paced, global engineering environment