Junior QA Engineer (Tracking & Analytics)

Що робити

Verify the event map on landing pages: that every event fires exactly once, at the right moment, and carries a complete set of parameters.
Test conversion delivery across all channels at once: the pixel in the browser, the Conversion API on the server, the postback into the tracker, and the event in GA4. A mismatch between them is our bug, not a platform quirk.
Follow parameters end to end through click, landing, registration, subscription and payment, checking that the subid stays the same at every step. A subid is the identifier that ties a conversion back to a specific buyer and campaign.
Catch duplicate firings and verify deduplication by event_id, since an event counted twice damages both the reporting and the algorithm's training.
Reconcile numbers between the ad account, the tracker and the BI dashboard, locate the source of the discrepancy, and describe it so an engineer can reproduce it after a single read.

Around a year of web testing experience, or an adjacent role where you regularly investigated why data did not add up.
Hands-on exposure to advertising: you have seen an ad account from the inside and understand where a conversion in a report comes from.
Confident use of DevTools: the Network tab, reading requests, parameters, cookies and redirect chains.
A grasp of basic web mechanics: GET and POST, query parameters, response codes, and the difference between a client-side and a server-side event.
Willingness to read JSON without hesitation and to write findings up in a structured way rather than as "something is broken".

Google Tag Manager and GA4, either configured yourself or at least understood well enough to read someone else's container.
Experience with a tracker such as Keitaro, Binom or any equivalent.
Postman or a similar tool for checking postbacks by hand.
Basic SQL, enough to pull a number from a table yourself instead of asking the analyst.
An understanding of mobile attribution and mobile measurement partners such as AppsFlyer.

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