Data Analyst

Vention; Kraków; Hybrid; PLN 89,000 - 112,000; Full time

Benefits offered by this job

AI tools licenses (GitHub Copilot, etc

Private medical care

MyBenefit cafeteria credits

Multisport membership

Glasses reimbursement

Referral bonuses for new talent

Job summary

Vention is hiring a Data Analyst to join our Krakow team. You will check data accuracy, profile data through ETL processes, and trace anomalies to root causes. Collaborate with data engineers to keep the warehouse reliable and well understood.

Requirements include 2 years in data analysis, Python/SQL proficiency, and experience with PostgreSQL data warehouses. English at B2 level is expected. Hybrid, full-time role in Krakow with growth opportunities and AI-driven tools.

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

PostgreSQL

ETL

Data analysis

Analytical thinking

Tools

PostgreSQL

ETL tools

Job description

Salary: from 8 000 PLN gross Hybrid Full-time Krakow, Poland (Aleja Pokoju 18D 31-564)

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.