Senior QA Engineer (freelance)

We've been designing and co-creating connected devices since 2008. Wearables, smart audio, health-tech hardware for clients like Oura and BOSE, backed by investors like a16z and Founders Fund. We're 60+ people, fully remote, and AI-native since before LinkedIn influencers discovered the term. Our QA involves mobile apps talking to firmware over BLE under various challenging conditions.

• 4+ years of professional mobile QA experience
• Proven experience testing IoT systems such as wearables, consumer devices, or connected audio
• Familiarity with IoT protocols: Bluetooth, BLE, NFC, Wi-Fi, Thread
• Experience with test case management tools (TestRail, Qase) and the Atlassian stack
• Solid QA fundamentals: test design, risk assessment, exploratory testing
• English proficiency at B2+ level, written and spoken
• Precision, curiosity, patience, and perceptiveness to catch specification gaps
• Self-reliance, ownership, and effective time management
• Initiative to stay updated and introduce new QA practices
• Engagement and team-play qualities

Nice to have:

• Test automation: writing and maintaining automated checks
• API testing with tools like Postman and database testing
• Web app testing and familiarity with web-debugging proxy tools (Charles, Proxyman)
• ISTQB Foundation or higher certification
• Agile or Scrum experience
• Genuine curiosity about the devices under test, beyond the user interface

• Compatibility testing: ensure devices, sensors, gateways, protocols, and platforms interoperate correctly
• Functional testing: validate data collection, storage, processing, real-time monitoring, control, and integrations
• Performance testing: assess behavior under different workloads, networks, and physical conditions, identifying bottlenecks and latency
• Security testing: detect vulnerabilities in devices, communication protocols, transmission, storage, access, and authentication
• Mentor less experienced testers and elevate QA practices
• Participate in requirements discussions and daily calls to flag inconsistencies and open issues early
• Share knowledge within the QA chapter and across the company
• Use AI tools as part of the daily workflow

The entire recruitment process is conducted in English. All interviews are recorded for internal evaluation purposes. intent is an equal opportunity employer and cares about applicants' abilities, not their background. Personal data processing complies with EU regulations [GDPR].