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Vahagn MesropyanVM
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Vahagn Mesropyan

@vahagnmesropyan

Data analyst at ServiceTitan who investigated invoice discrepancies with SQL and built automated data collection workflows at HR4EU.

Armenia
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At ServiceTitan, I used analytical SQL queries to investigate financial discrepancies, invoice variances, and transaction failures. I cross-referenced MySQL records with customer transaction logs and documented root causes in Salesforce, logging software bugs in Jira.

At HR4EU, I managed tracking, profiling, and verification for lead and partner records using Google Sheets automation and Excel. I also engineered workflows to collect, clean, and standardize partner data, and cross-referenced secondary databases to support segmentation and partner acquisition.

I built an autonomous multi-agent job discovery and application system in Python and Supabase. It automates job discovery, resume tailoring, and form submissions, with a LiteLLM failover router and a Telegram human-in-the-loop orchestrator.

For my MySQL esports tournament project, I designed a 19-table schema normalized to BCNF and wrote analytical queries using window functions, CTEs, and multi-table joins. I’m studying Computer Science at American University of Armenia, with expected graduation in 2027.

Experience

Work history, roles, and key accomplishments

ServiceTitan logoSE

Financial Support Advocate & Data Analyst

Jul 2025 - Apr 2026 (9 months)

Executed complex analytical SQL queries across backend database tables to conduct root-cause investigations into financial discrepancies, invoice variances, and transaction failures for 30+ client cases weekly. Cross-referenced backend MySQL records with customer transaction logs to isolate system bugs and data errors.

TE

QA Tester (Freelance)

Jul 2024 - May 2025 (10 months)

Conducted functionality, UI/UX, and regression testing across 100+ web and mobile software application projects on iOS and Windows platforms. Identified, documented, and reported software bugs with clear steps to reproduce, collaborating with international engineering teams.

Education

Degrees, certifications, and relevant coursework

American University of Armenia logoAA

American University of Armenia

Bachelor of Science, Computer Science

Pursuing a Bachelor of Science in Computer Science with expected graduation in 2027. Coursework includes database systems, data structures, algorithms, and GIS.

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