Q

Qualco Group

Tech-driven credit management and lending

Data Engineer

Data EngineeringConfirmed live in the last 24 hours
Full-timeAthens, GreeceHybrid

About the Job

Requirements

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

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.
  • Carry out activities and duties in compliance with regulatory requirements and support continued implementation of the Group Anti-Bribery and Corruption Policy.

Desired Qualifications

  • Relevant technologies and experience include PostgreSQL, Oracle, SQL Server, Python, dbt Core, Apache Airflow, Meltano/Singer, Informatica, Talend, SSIS, Apache NiFi, or equivalent ETL/ELT and database technologies.

About the Company

Qualco Group

Tech-driven credit management and lending

Qualco Group provides software-based solutions for managing the full credit lifecycle for banks and other financial institutions. Its technology automates and coordinates activities from loan origination and underwriting through servicing, debt collection, asset management, and reporting. The core product set hinges on proprietary technology designed to streamline credit processes, improve oversight, and ensure IFRS-compliant financial reporting across the lending lifecycle. The company differentiates itself through long experience (25+ years), a scalable platform used by a global client base, a track record of developing in-house technology, and strategic growth backed by investors like PIMCO to enter new markets and broaden its product offerings. Its goal is to grow beyond credit management into broader lending solutions, expand into new markets, and continue delivering end-to-end, technology-driven services for financial institutions.

Company size
501-1,000
Company stage
IPO
Headquarters
Athens, Greece
Founded
1998

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