Data Analyst

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

Salary: from 8 000 PLN gross Hybrid Full-time Lodz, Poland (157a Piotrkowska St, 90-440)

Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.

With 150+ data engineers and over 20 years of experience, we help startups and enterprises turn data into smart decisions and better user experiences. Our teams work with Python, Java, Scala, and R to build scalable data pipelines and infrastructure that power real results.

What you'll do

• 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

What you bring

• 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

What you'll get

• EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
• Licenses for AI tools: GitHub Copilot, Cursor, and others
• Private medical care with LuxMed
• Kafeteria MyBenefit credits for stores, restaurants, and cafés
• Access to a Multisport membership to stay active
• Glasses reimbursement program
• Referral bonuses for bringing in new talent

Interested in working with us? View our job openings.