Data Analyst BigData, Hadoop / Hive / Impala Warsaw 10.09.2025

Diverse CG Sp. z o.o. Sp.k.; Warszawa; On-site; PLN 120,000 - 160,000; Full time

Job summary

A recruitment company is seeking a Data Analyst to conduct IT analysis and collaborate with business and IT teams. Candidates should have at least 5 years of experience in database design and a strong knowledge of Big Data technologies like Hadoop and PySpark. Proficiency in Python or R is required. The role offers private medical care and co-financing for sports cards.

Benefits

Private medical care

Co-financing for the sports card

Constant support of dedicated consultant

Qualifications

• Minimum 5 years of professional experience.
• Proven experience in relational database design, querying, and optimization.
• Ability to translate business and technical requirements into actionable documentation.

Responsibilities

• Conduct IT analysis and investigative data analysis.
• Act as a bridge between business and IT teams.
• Build a deep understanding of business processes and technical landscape.

Skills

Relational database design

Querying and optimization

Python

Hadoop

Data modeling

Requirement analysis

JSON

AVRO

Project management with Jira

Version control with Bitbucket

Job description

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Data Analyst

Responsibilities:

• Conduct IT analysis, investigative data analysis, system design, and data modelling to support development teams
• Take the lead or facilitate the gathering of functional and non-functional requirements, collaborating with multiple stakeholders to design sustainable and effective solutions
• Act as a bridge between business and IT teams, ensuring transparency and alignment of requirements
• Build a deep understanding of business processes and the technical landscape of our solutions
• Gain a strong grasp of our data models and ensure the data meets business requirements within our IIS area

Requirements:

• Minimum 5 years of a professional experience
• Proven experience in relational database design, querying, and optimization
• Familiarity with Big Data platforms (querying, optimization, data loading and retrieval) and at least some of the following technologies: Hadoop, Hive, Impala, PySpark, HQL
• Experience working with JSON and AVRO data formats
• Skilled in standardized data model design and extension (e.g., Canonical Data Model)
• Ability to translate business and technical requirements into clear and actionable documentation
• Proficiency in at least one programming language: Python, R, or Java
• Hands-on experience with Jira and Bitbucket for project tracking and version control
• Strong background in requirement analysis and refinement, especially in data-related domains
• Experience collaborating closely with developers, architects, and IT analysts
• Very good command of English (oral and written)

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant

Before sending your CV/application documents, we kindly ask candidates to read the information clause.

After reading the information clause provided by the Data Controller, I voluntarily consent to the processing of my personal data by the Advertiser, included in my job application, for the purposes of this recruitment process as well as for future recruitment projects.

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