Junior–Middle QA Engineer

Job Description

MGID is a global advertising platform that helps publishers monetize their audiences and enables brands to promote their products and services across the open web effectively. Using AI-powered technology, we deliver high-quality native, display, and video ads in brand-safe environments, balancing user experience and performance.

Every month, MGID reaches over 1 billion unique users and delivers 185 billion ads in more than 70 languages. Trusted by brands like Renault, Domino’s, Nestle, and Ikea, we support every stage of the marketing funnel – from planning campaigns to optimizing performance.

Founded in 2007, MGID has grown to operate from 18 offices worldwide, with a team of over 800 colleagues across North and South America, Europe, and Asia. Our ongoing investments in technology, talent, and strategic partnerships have fueled five consecutive years of double-digit growth. We continue to evolve and expand to meet the ever-changing needs of the digital advertising ecosystem.

As a Junior–Middle QA Engineer at MGID, you will ensure the quality and stability of internal products used daily by our managers worldwide. Your mission is to test new features, safeguard existing functionality, and proactively identify issues before they impact business processes.

In this role, you will collaborate closely with developers, a product owner, a product manager, and another QA engineer, while being supported by an experienced team lead. The environment is stable, mature, and collaborative, giving you both guidance and space to grow.

This position is based in Ukraine or Europe, with flexibility to work remotely. It’s an excellent opportunity for someone early in their QA career who is eager to learn, take ownership, and gradually expand into automation in the future.

Requirements

Who You Are

• You have 1-2 years of experience in testing web projects.
• You possess knowledge of testing methods including functional, regression, and non-functional testing.
• You have experience in API testing and understand the HTTP protocol (requests, responses).
• You have excellent knowledge of the bug life cycle.
• You have good knowledge of MySQL and ClickHouse.
• You have practical experience with Postman.
• You have experience in creating and maintaining test documentation.
• You have experience with test management systems (e.g., TestRail).
• You have excellent knowledge of the SDLC.
• You have experience with GIT.
• You have experience working with Jira, YouTrack, or similar tools.
• You have a strong understanding of Agile frameworks (Scrum, Kanban).

It will be a plus if:

• You have experience with AdTech products.
• You have experience working in product companies or on long-term stable projects.
• You possess skills in working with the Linux console and SSH.

Languages:

• You are fluent in Ukrainian.
• You have Pre-Intermediate to Intermediate English proficiency.

What You’ll Do

• Perform functional and non-functional testing of the product.
• Analyze test results and provide clear feedback to the team.
• Track and manage the full life cycle of bugs, from detection to resolution.
• Re-test bugs to ensure issues are resolved and quality is maintained.
• Analyze and clarify requirements in collaboration with developers and product managers.
• Develop and maintain test documentation, including checklists and test cases.
• Create and update manual and automation test cases as needed.
• Set up and execute test runs with actual test cases in each Story.
• Support and participate in test case review practices within the team.

Why Join MGID

You will become part of a mature and supportive product team, where stability and collaboration are valued. The role provides space for learning, mentoring from experienced colleagues, and opportunities to grow in automation in the future.

📩 Apply now to join MGID and help us maintain the high quality that drives our products forward.