Data Engineer - ETL Pipelines & SQL/Python (Hybrid)

Qualco Group; Ohio; Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Competitive compensation

Ticket restaurant card

Annual bonus programs

Modern facilities

Private health insurance

Job summary

Quento Technologies S.A. seeks a highly motivated and experienced Data Engineer to implement data ingestion pipelines, preprocessing activities, SQL transformations, reconciliation controls, and related data processing components for our global clients.

Your responsibilities include building reusable data processing components, optimizing queries, and validating reconciliation results while ensuring compliance with corporate policies and regulatory requirements.

Qualifications

• University degree in Computer Science, Engineering, or a related field.
• 4+ years of professional experience in Data Engineering, ETL/ELT Development, or Database Development.
• At least 2-3 years of hands-on experience in comparable enterprise data integration, data processing, or reconciliation projects.
• Advanced SQL development, including complex joins, CTEs, window functions, aggregations, and performance optimization.
• Python development for file handling, data validation, transformation, and automation.
• Hands-on experience in relational data modeling and database schema implementation, including staging tables, transformation models, reference data mappings, and reconciliation result structures.
• Design and implementation of ETL/ELT pipelines.
• Processing of structured and semi-structured files, including CSV, delimited, fixed-width, and compressed formats.
• Development of source-to-target mappings, data standardization, and transformation logic.
• Implementation of reconciliation rules, matching algorithms, discrepancy identification, and results persistence.
• Incremental loading, error handling, restartability, and idempotent data processing.
• Git-based development practices and automated testing.

Responsibilities

• Develop and configure source ingestion and preprocessing pipelines.
• Implement SQL-based transformations and reconciliation rules.
• Build reusable data processing components and supporting Python scripts.
• Implement reconciliation results persistence and data validation logic.
• Optimize database queries and pipeline execution.
• Support integration testing, defect investigation, and reconciliation accuracy validation.
• Ensure activities comply with regulatory requirements and the Group Anti-Bribery and Corruption Policy.

Skills

Advanced SQL

Python

ETL/ELT development

Data modeling

Git

Education

University degree in CS/Engineering

Tools

PostgreSQL

Oracle

SQL Server

dbt Core

Apache Airflow

Meltano

Singer

Informatica

Talend

SSIS

Apache NiFi

Job description

Quento Technologies S.A. seeks a highly motivated and experienced Data Engineer to implement data ingestion pipelines, preprocessing activities, SQL transformations, reconciliation controls, and related data processing components for our global clients.

Your responsibilities include building reusable data processing components, optimizing queries, and validating reconciliation results while ensuring compliance with corporate policies and regulatory requirements.