Ionut Razvan Lazar

Ran telemetry QA on a live mobile game through its launches, then turned that manual work into automated checks that run in CI.

Telemetry and analytics QA

• Ran nine of the game’s eleven telemetry release passes, including its launches in three countries.
• Validated telemetry by writing and running SQL queries in Hex against ClickHouse.
• Showed from production data that a 99% drop in one event after a release was lost telemetry, not a change in player behaviour, and traced it to an SDK change. A developer’s fix restored the rate in the next version.
• Wrote most of the game’s main telemetry test suite in TestRail, one section per event, and its testing guide.

Test automation and CI (AI-assisted, Claude Code)

• Built Unity PlayMode tests in C# that fire business-critical telemetry events in-process.
• Developed a Python validator and rule engine that fail the build when warehouse data doesn’t match the expected payloads, with rules for every non-SDK event in production.
• Diagnosed a flaky CI gate, fixed its false failures and filed the real regression it had caught.

AI tooling

• Wrote Claude Code skills that check telemetry in ClickHouse against the spec. The team estimated the first one halved validation effort.
• Moved the telemetry spec from a spreadsheet into its own repo, with a validator and a site that turns edits into pull requests. The site replaced the spreadsheet as the only place to edit the spec.

Economy, server and team

• Owned QA for a second game’s economy and monetization, including in-app purchases and the store.
• Ran game-server QA: organised a team stress test for an out-of-memory investigation and set the QA routine for the server release.
• Trained three colleagues in telemetry testing.

Went from tester to senior analyst in five years, working on Star Wars: Galaxy of Heroes, Battlefield Mobile, Project Rene (The Sims) and Iron Man, on mobile and PC, in Unity and Unreal Engine.

Telemetry QA

• Built a C# tool that automated telemetry testing.
• Made telemetry testing faster with better queries and new test methods.
• Led the overhaul of the telemetry documentation and the adoption of risk-based testing on the project.
• Investigated live telemetry data with the data analysts.
• Onboarded five new members of the telemetry team.

Server and tools QA

• Built and maintained a C# desktop tool that put the admin tools, build jobs and game data a tester needs in one place.
• Was the team’s point of contact for server and admin tools.
• Tested web-based tools and their backend code with the software engineers.
• Tested marketing and monetization tools built on Leanplum, working with their product managers.

Titles

• Sr. QA Analyst from Jul 2023
• QA Analyst II from Jul 2022
• QA Analyst from Jul 2020
• QA Tester II from Jul 2019
• QA Tester from Jul 2018