QA Engineer

Аbout Shelly

We make smart devices and push the boundaries of the IoT sector every single day. Shelly is a strong company with a startup mindset — no bureaucracy, just bold ideas, creative problem-solving, and a team that genuinely loves what they do.

We turn every spark of an idea into a real product — from first concept to full production — and bring smart automation to over 3 million households around the world. From heating, lighting, appliances, curtains, and more — if it runs on electricity, chances are we can automate it. We’ve built over 100 smart devices (and counting!), and everything happens right here at our headquarters in Sofia.

Sounds exciting? Keep reading…

 QA Engineer

Your Role

As Shelly’s Device QA Engineer, you’ll be the gatekeeper of quality for the smart-home hardware that powers millions of daily automations. You’ll blend hands-on device probing with Python-driven automation to craft, execute, and refine test suites that uncover firmware-hardware edge cases long before they reach users. Your sharp eye, clear bug reporting, and close collaboration with developers and hardware teams will turn every bold prototype into a rock-solid, production-ready product.

What makes you a great fit:

• At least 2 years of experience.
• Solid understanding of software testing principles, methodologies, and processes.
• Strong knowledge of PDLC, SDLC and STLC.
• Experience in manual testing, including creating, maintaining, test execution and reporting.
• Effective teamwork and communication skills with cross-functional teams.
• Strong attention to detail, analytical skills, and the ability to manage multiple tasks simultaneously.
• Good communication skills, both written and verbal.

Technical Skills

• Proficiency in bug tracking tools like JIRA or similar.
• Experience with version control systems like Git.
• Basic understanding of programming concepts with the ability to write and maintain scripts (preferably Python).
• Experience with test automation tools, and the ability to contribute to automation framework development.
• Familiarity with Continuous Integration/Continuous Delivery (CI/CD) pipelines.
• Linux and command-line operations.

Additional Advantages

• Bachelor’s degree in Computer Science, Information Technology, Electrical Engineering, or a related field.
• Advanced knowledge of Python and other programming languages.
• Experience with IoT communication protocols (e.g., MQTT, HTTP, etc.).
• Ability to troubleshoot complex systems and understand the interaction between hardware and software.
• Familiarity with embedded systems testing or hardware-software integration.
• ISTQB Foundation Level certification or equivalent.

Your Responsibilities

• Planning, design and execution of test cases (both manual and automation) for IoT devices, ensuring compatibility with firmware and hardware components.
• Analyze and document test results, highlighting areas for improvement in product quality.
• Identify, report, and track bugs, working closely with development and hardware teams to ensure timely resolution.
• Collaborate in the preparation of test strategies, test plans, and reports.
• Contribute to the enhancement of the test automation framework, focusing on scalability and coverage.
• Stay updated on the latest QA methodologies, tools, and trends, contributing to continuous improvement in testing processes.

What is in it for you

Work:

• A welcoming, collaborative team
• Meaningful products and services that people actually use and love.
• Learning opportunities to sharpen your skills
• Competitive salary + Performance bonuses
• Modern office in a great location
• Fun team buildings and company events

Lifestyle:

• 26 days of paid annual leave
• Flexible working hours
• Additional health insurance
• Free access to all Shelly devices (yes, you can smarten up your whole home!)
• Multisport Card
• Fully sponsored yearly public transport card

Ready to join the Shelly Revolution?

Let’s build the future of smart living together.

Hit that Apply button — we can’t wait to meet you.