IoT Application Engineer - Embedded C++ & BLE

About the role

VusionGroup, a fast-growing retail technology company, is looking for an IoT Application Engineer in Fernitz bei Graz. The role develops and maintains C/C++ applications and services for embedded Linux gateways, implements cloud-to-device communication and verifies BLE host-controller and end-device communication. The position is full-time and hybrid.

Key responsibilities

• Develop and maintain C/C++ applications and services for embedded Linux gateways
• Implement cloud-to-device communication and gateway application logic
• Integrate Bluetooth controller interfaces and third-party access point platforms
• Analyze runtime, performance and communication issues, and verify BLE host-controller and end-device communication
• Develop automated tests for application and system integration, and support test automation and regression coverage
• Support cross-platform builds, releases and partner integration, and evaluate product maturity through alpha, beta and system-level testing
• Troubleshoot laboratory findings and customer-reported issues, document interfaces and technical decisions, and identify technical risks
• Support BLE/RF coexistence and performance analysis with domain experts when required

Required profile

• Degree in computer science, electrical engineering or equivalent experience
• At least 3 years of C/C++ application development in embedded, IoT or comparable product-oriented R&D
• Experience with embedded Linux and debugging on target hardware
• Fluent English
• Gateway, BLE and access point experience is beneficial; deep BLE specialization is not required from day one

Required skills

• Strong hands-on C/C++ application development
• Cross-compilation, SDKs, version control and testing
• Linux processes, threads, IPC and networking
• Python, BLE analysis tools and Bluetooth Core Specification knowledge are advantages

What we offer

• Competitive pay, with a minimum basic salary of EUR 3,954 gross per month for full-time employment
• Flexible, hybrid work schedule and home office
• E-learning, workshops and global mobility potential
• Company merch, notebook, public transport support, flexible hours, no dress code, team events, canteen and bicycle parking