Mid Data Analyst

Capco; Kraków; On-site; PLN 150,000 - 210,000; Full time

Benefits offered by this job

B2B contract

Job summary

Capco Poland is hiring an experienced Data Analyst to support ML model development in a global financial services context. You will source, transform, and prepare large datasets and build robust ETL processes, partnering with data scientists, model developers, and business stakeholders.

Ideal candidates have 4–5+ years in data analysis, strong SQL/Python, and comfort with large-scale data environments, with fluent English communication.

Qualifications

• 4–5+ years of experience as a Data Analyst.
• Strong proficiency in SQL and Python.
• Experience with NumPy, SciPy and PySpark.
• Data wrangling, data transformation, and ETL processes.
• Banking or financial services domain knowledge desirable.
• Bachelor's degree in CS/Engineering/Math or related field.
• Excellent communication and stakeholder management skills.
• Fluent English, written and spoken.

Responsibilities

• Source, transform, analyze, and prepare large-scale datasets.
• Design, develop, and optimize ETL pipelines.
• Aggregate data from multiple internal and external sources.
• Collaborate with model developers, data scientists, and business stakeholders.
• Identify data quality issues and implement solutions to improve data accuracy and accessibility.
• Contribute to continuous improvement of data management and analytics processes.

Skills

SQL

Python

NumPy

SciPy

PySpark

Data wrangling

ETL processes

Analytical thinking

Fluent English

Education

Bachelor's degree (CS/Engineering/Math)

Tools

PySpark

Job description

At Capco Poland, we're not just another consultancy—we're the dynamic force driving digital transformation in the financial world. As a global leader in technology and management consulting, we help clients tackle complex challenges across banking, payments, capital markets, wealth, and asset management.

Our culture is fast-paced, flexible, and entrepreneurial. We move quickly, think creatively, and put people at the center of everything we do. We're passionate about delivering value to our clients while creating opportunities for our people to grow and thrive.

We're proud to be:

• Leaders in banking, payments, capital markets, wealth, and asset management consulting
• Champions of an agile, innovative, and collaborative work environment
• Committed to attracting and developing exceptional talent

The Role

We are looking for an experienced Data Analyst to provide services supporting the development of advanced machine learning models within a global financial services environment.

In this role, you will work closely with data scientists, model developers, and business stakeholders to deliver high-quality data solutions that power analytical and modeling initiatives. You will be responsible for sourcing, transforming, analyzing, and preparing large-scale datasets while contributing to the design and implementation of robust ETL processes.

Key Responsibilities

• Support the development of advanced financial machine learning models by sourcing, aggregating, and preparing data from multiple internal and external sources
• Clean, transform, validate, and analyze complex datasets to ensure high-quality inputs for modeling activities
• Design, develop, and optimize ETL pipelines to streamline data ingestion and processing workflows
• Work with large-scale databases and distributed data environments to extract and manage data efficiently
• Collaborate with cross-functional teams including model developers, data scientists, and business stakeholders
• Identify data quality issues and implement solutions to improve data accuracy, consistency, and accessibility
• Contribute to continuous improvement of data management and analytical processes

Skills & Experience

• 4–5+ years of experience as a Data Analyst
• Strong proficiency in SQL and Python, including:

• NumPy
• SciPy
• PySpark

• Solid understanding of data wrangling, data transformation, and ETL processes
• Experience working with large and complex databases
• Strong analytical and problem-solving skills
• Banking or financial services domain knowledge is highly desirable
• Bachelor's degree in Computer Science, Engineering, Mathematics, or a related field
• Excellent communication and stakeholder management skills
• Detail-oriented, collaborative, and business-focused mindset
• Fluent English, both written and spoken

What We Offer

• Flexible collaboration model based on a B2B contract
• Opportunity to work on challenging projects within the financial services sector
• Exposure to modern data, analytics, and machine learning initiatives
• Collaborative and supportive team environment
• Access to professional development opportunities and a global network of experts

Recruitment Process

• Screening call with a Recruiter
• Capco Hiring Manager Interview
• Client Interview
• Feedback / Offer

#LI-HYBRID

Capco does not and shall not discriminate on the basis of race, color, religion (creed), gender, gender expression, age, national origin (ancestry), disability, marital status, sexual orientation, or military status, in any of its activities or operations. In order to track the effectiveness of our recruiting efforts, please consider participating in the optional questionnaire.