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Aleksa Pesic

@aleksapesic

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Analytics Engineer at SpendLab Recovery building Snowflake ETL pipelines for financial and ERP data.

Serbia

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At SpendLab Recovery, I develop dbt models and Python preprocessing scripts to standardize financial and ERP data from SAP and other source systems. I also build Snowflake ETL pipelines for vendor, ledger, and transaction data, supporting analytics and recovery reporting.

Previously, I built SQL and Python ETL processes at Better Collective and automated recurring data-cleaning workflows. At Scaleup Agency, I used Power BI, SQL, and Python to support reporting solutions and business analysis.

Experience

Work history, roles, and key accomplishments

Current

Data Specialist (Analytics Engineer)

Current

SpendLab Recovery

Jul 2025 - Present (1 year 3 months)

Developed dbt models and Python preprocessing scripts to transform, validate, and standardize financial and ERP data from SAP and other source systems. Built Snowflake-based ETL pipelines and optimized SQL models, reducing data load times by 30%.

DBT Python Snowflake SQL Dagster SAP ETL Data Modeling Data Quality Validation

Data Analyst

Better Collective

Feb 2024 - Jul 2025 (1 year 5 months)

Built and maintained SQL and Python-based ETL processes to clean, transform, and prepare data for analysis and reporting. Automated recurring data-cleaning workflows, improving process efficiency by 80%.

SQL Python Amazon Redshift ETL Data Cleaning Data Validation Automation

Business Analyst

Scaleup Agency

Sep 2022 - Jan 2024 (1 year 4 months)

Gathered and translated business requirements into technical specifications for data models, dashboards, and reporting solutions. Built Power BI dashboards to visualize key business metrics and support stakeholder decision-making.

SQL Python Power BI Data Modeling Requirements Gathering Dashboarding Process Improvement