Expert Data Analyst

Analytics

N/A, Warszawa

B2Bnetwork

120 - 145PLN

Net per hour - B2B

Full-time

B2B

Senior

Hybrid

Tech stack

English

C1

PySpark

advanced

Hadoop

advanced

Hive

advanced

Big Data

advanced

Python

regular

Job description

Job Description

We are seeking a skilled and motivated Data Analyst to join our data-driven organization and support development teams. This role combines deep analytical thinking with a strong understanding of data structures, business processes, and modern data platforms.

Requirements

Must-have experience and competencies:

• Strong analytical mindset with attention to detail
• Fluent in English, with excellent communication and stakeholder management skills
• Experience in data analysis, business requirements gathering, and problem solving
• Familiarity with relational database design, querying, and performance optimization
• Hands-on experience with Big Data ecosystems and technologies such as: Hadoop, Hive, Impala, pySpark, HQL
• Working knowledge of JSON and AVRO data formats
• Understanding of and experience working with canonical data models or other standardized data modeling approaches
• Ability to translate business and technical needs into structured requirements and documentation
• Programming experience in at least one of the following: Python, R, Java
• Experience with tools like JIRA and Bitbucket for task management and version control
• Experience collaborating with developers, IT analysts, and architects in agile teams

Additional valued skills:

• Agile mindset and experience working in cross-functional, virtual teams
• Proactive, structured, and quality-oriented approach
• Experience in requirement refinement and data validation processes
• Ability to work independently as well as in a team setting

Published: 06.08.2025

Office location