Manual QA Engineer (AdTech – DSP/SSP)

Location: Poland

Department: Engineering

Tatari is on a mission to revolutionize TV advertising. Founded in 2016 to help transform the antiquated world of TV advertising through the intelligent application of AI and machine learning, Tatari helps some of the world’s fastest growing brands including Chime, Calm, Tecovas, Manscaped, Saatva, and Liquid I.V., reach their customers using linear and streaming TV ads. Our platform combines sophisticated media buying with proprietary analytics to turn TV advertising into an automated, digital-like experience, enabling businesses of any size to advertise on TV.

That approach has earned Tatari broad industry recognition, including being named Best CTV AdTech Platform in the 8th annual MarTech Breakthrough Awards, as well as honors from Digiday (Best Connected TV Platform), AdExchanger (Most Innovative TV Advertising Technology), and Business Insider (Hottest AdTech Companies). Tatari has also been recognized as the Best Place to Work by Inc. Magazine. Backed by an executive team of former founders and senior leaders from companies including Shazam, TrueCar, AdapTV, LiveRail, Amazon, Google, Meta, Microsoft, and Yahoo, Tatari continues to scale rapidly as TV advertising enters its next major era.

Tatari is looking for a detail-oriented Manual QA Engineer with strong AdTech experience to help ensure high-quality releases across complex advertising workflows. You will work closely with Engineering to validate end-to-end ad delivery, investigate production issues, and uphold quality standards in a fast-paced, international environment. This role is ideal for a QA professional with deep experience in DSP and/or SSP platforms who is passionate about accurate targeting, reliable analytics, and seamless campaign execution.

Key Responsibilities

• Perform manual testing of web-based advertising platforms
• Validate 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

Required Qualifications

• 6+ years of QA experience in web applications
• 3+ years of hands-on AdTech experience, specifically with DSP and/or SSP platforms (required)
• 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)

Benefits

• 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
• Currently remote but may be hybrid when there is a physical office

At Tatari, we believe in the importance of 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.

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