Sr IOT QA Engineer

Job highlights

• Experience in both automation and manual testing,with strong test case design and execution skills
• . Must-Have Requirements . 6+ years of QA experience with strong hands-on automation using Python
• Solid experience testing APIs across REST,SOAP,and gRPC
• . Good to Have . .

We're modernizing a legacy IoT monolith into a microservices-based platform. Seeking a hands-on QA engineer who can quickly grasp the domain and drive both manual and automation testing across edge, controller, and cloud services.

Responsibilities

• Ramp up quickly on IoT domain, current architecture, and modernization roadmap.
• Own end-to-end test strategy for legacy and new microservices, covering API and messaging workflows.
• Design, write, and maintain automation test suites in Python for REST, SOAP, gRPC and messaging protocols.
• Prepare and execute detailed test plans and test cases, ensuring full coverage across device, gateway, and cloud components.
• Validate device messaging flows including telemetry, commands, events, c2d/d2c communication, twin updates, and partner integrations.
• Ensure backward compatibility between legacy SOAP services and new REST/gRPC services throughout migration.
• Track defects, ensure root cause clarity, and partner with engineering to tighten quality gates.
• Contribute to CI integration and continuous improvement of automation frameworks and processes.

Must-Have Requirements

• 6+ years of QA experience with strong hands-on automation using Python.
• Strong verbal and written communication; clear neutral accent for global collaboration.
• Solid experience testing APIs across REST, SOAP, and gRPC.
• Strong understanding and testing exposure with messaging protocols: MQTT and AMQP.
• Prior IoT product testing experience is mandatory (devices, gateways, controllers, cloud).
• Experience in both automation and manual testing, with strong test case design and execution skills.
• Proven experience testing distributed systems, microservices, and containerized environments.

Good to Have

• Experience with serial or USB-based device testing.
• Experience with event-driven architectures, schema validation, and performance testing for IoT systems.