Hybrid Data Analyst — ETL, PostgreSQL & Data Quality

Vention; Łódź; Hybrid; PLN 81,000 - 97,000; Full time

Benefits offered by this job

Medical care

AI tool licenses

Edu corporate community

Kafeteria credits

Multisport membership

Glasses reimbursement

Referral bonuses

Job summary

Vention in Łódź, Poland is seeking a Data Analyst to join our data team. You will check data quality, profile data through ETL processes, and trace anomalies to their root cause, working closely with data engineers and analysts to keep the warehouse reliable.

The ideal candidate has 2 years of experience, solid Python and SQL skills, familiarity with data warehouses (preferably PostgreSQL), and a strong eye for detail with B2 English. Hybrid, full-time position with great benefits.

Qualifications

• 2 years of experience as a Data Analyst
• Experience with Python and SQL
• Experience working with data warehouses, ideally PostgreSQL
• Understanding of ETL processes and data quality profiling
• Strong analytical and problem-solving skills, with attention to detail
• B2 English level, both written and spoken

Responsibilities

• Check data accuracy and consistency across our data warehouse (PostgreSQL)
• Work through ETL processes to profile data and identify quality issues
• Trace anomalies back to their root cause
• Document the business rules that govern the data
• Collaborate with data engineers and analysts to keep the data warehouse reliable and well understood

Skills

Python

SQL

ETL processes

Data profiling

Data quality

Analytical thinking

Attention to detail

B2 English

Tools

PostgreSQL

Job description

Vention in Łódź, Poland is seeking a Data Analyst to join our data team. You will check data quality, profile data through ETL processes, and trace anomalies to their root cause, working closely with data engineers and analysts to keep the warehouse reliable.

The ideal candidate has 2 years of experience, solid Python and SQL skills, familiarity with data warehouses (preferably PostgreSQL), and a strong eye for detail with B2 English. Hybrid, full-time position with great benefits.