Tatari is hiring a Manual QA Engineer to ensure high-quality releases across complex advertising platforms. You will validate end-to-end ad delivery workflows, investigate production issues, and uphold quality standards while collaborating closely with Engineering teams in a fast-paced, international setting.

What You'll Do

Perform manual testing of web-based advertising platforms
Validate the full ad delivery lifecycle: campaign setup, targeting, serving, pacing, attribution, and reporting
Test targeting logic, analytics accuracy, optimization workflows, and RTB flows
Conduct UI and API testing (REST & GraphQL)
Use SQL for data validation, reconciliation, and consistency checks
Investigate, reproduce, and document complex production issues; perform 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; Postman or similar tools)
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 equity package and quarterly tax assistance (only 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 role is currently remote but may transition to hybrid when a physical office is established.

Tatari believes in 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.