QA Engineer, Connected Devices — Electric Team

• Design and implement system-level QA strategies for firmware, IoT gateways, cloud backend, and mobile applications.
• Prioritise testing based on risk to ensure critical stove functions work reliably.
• Manage the entire defect lifecycle from identification to resolution across hardware and software.
• Test MQTT communication under real-world conditions including connectivity and power issues.
• Validate end-to-end PAYG payment flows and maintain AWS IoT Core validation tools.
• Test customer-facing mobile app features such as BLE onboarding and connectivity recovery.
• Collaborate with firmware, backend, mobile, and field teams to improve test coverage and reliability.

• At least 4 years of experience in QA, software development, or hardware/embedded engineering, with emphasis on demonstrated capability.
• Experience building production-grade test automation and hardware simulators.
• In-depth knowledge of MQTT protocol including QoS, retained messages, and testing at broker and client levels.
• Experience with AWS IoT Core device provisioning, certificate management, shadow synchronisation, and MQTT permissions.
• Skills in database-level test validation using PostgreSQL or similar.
• Familiarity with time-series observability tools for monitoring and alerting.
• Experience with structured automation frameworks like Robot Framework and CI integration.
• Understanding of field IoT deployment challenges such as intermittent connectivity and offline resilience.
• Strong communication skills for defect reporting and cross-disciplinary collaboration.
• Preferred experience includes hardware test rig design, communication protocol validation (RS-485, CAN-Bus, SPI, I²C), Docker for containerised test environments, BLE device onboarding and Android app testing, and OWASP API security awareness.
• A degree in Computer Science, Software or Computer Engineering, Electrical/Electronic Engineering, Mechatronics, Telecommunications, or related field, or equivalent practical experience.
• Relevant certifications such as ISTQB or AWS certifications are a plus but not required.

You will have the opportunity to build QA infrastructure from scratch and work in a multidisciplinary engineering team, directly impacting product reliability for customers.

Apply through the employer's official contact with your application before the closing date. The employer has not published a closing date.