Tatari is hiring a Manual QA Engineer to ensure the quality of our advertising technology platform. You will be responsible for validating complex, end-to-end advertising workflows and working closely with Engineering to support high-quality releases in a fast-paced, international environment.
What You'll Do
- Perform manual testing of web-based advertising platforms.
- Validate the full ad delivery lifecycle, including campaign setup, targeting, serving, pacing, attribution, and reporting.
- Test targeting logic, analytics accuracy, optimization workflows, and RTB flows.
- Conduct UI and API testing using REST and GraphQL.
- Use SQL for data validation, reconciliation, and consistency checks.
- Investigate, reproduce, and document complex production issues, performing root cause analysis.
- Validate integrations with third-party partners, tracking systems, and data providers.
- Support regression, smoke, exploratory, and non-functional testing.
- Collaborate on frontend test automation initiatives.
What We're Looking For
- 6+ years of QA experience in web applications.
- 3+ years of hands-on AdTech experience, specifically with DSP and/or SSP platforms.
- Strong understanding of digital advertising workflows, targeting logic, RTB, tracking, and reporting.
- 2+ years of API testing experience (REST, GraphQL) with tools like Postman.
- Experience writing SQL queries for data validation.
- Strong analytical and problem-solving skills.
- Experience working in Agile environments.
- Excellent attention to detail and structured documentation skills.
- Intermediate English proficiency (written and spoken).
Technical Stack
- REST
- GraphQL
- SQL
Benefits & Compensation
- Competitive salary, including an equity package and quarterly tax assistance (for Ukraine tax residents).
- Competitive time off plus company wellness days throughout the year.
- Team building events.
- Annual continued education benefit.
- Newbie Productivity Perk.
- Monthly stipend.
- Annual mental health awareness app reimbursement.
Work Mode
This is a fully remote position.
Tatari is dedicated to cultivating teams with diverse backgrounds and offering equal opportunities to all. We strive to create a welcoming, inclusive environment where every team member feels valued and diversity is celebrated.






