Data Engineer (Data Engineering Team)

Unchain Data; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Unchain Data in Warszawa is seeking a Data Engineer to design, build, and maintain data pipelines and systems, collaborating with data scientists, analysts, and stakeholders to ensure reliable data for analytics.

You will work on data ingestion, transformation, and delivery, develop data models, implement ETL, monitor data quality, and optimize storage and processing. A strong background in AWS, Redshift/Snowflake, DBT, Airflow, and Kafka is required.

Qualifications

• Bachelor's or Master's in Computer Science, Data Science, or related field.
• Minimum of 3 years of data engineering experience.
• Experience with Redshift and Snowflake, DBT, and Airflow.
• Proficiency in Python and AWS cloud services (S3/EC2/EMR).
• Familiarity with Kafka and BI/reporting tools.

Responsibilities

• Design, develop, and maintain data pipelines ingesting data from multiple sources.
• Create and optimize data models for reporting and BI needs.
• Implement ETL processes, data transformation, aggregation, and enrichment.
• Monitor data quality, governance, and validation processes.
• Manage storage, processing, and distribution systems for scalability.
• Collaborate with data scientists and analysts to meet business needs.
• Document data engineering processes and pipelines for knowledge sharing.

Skills

Python

Data pipelines

Cross-functional collaboration

Problem solving

Leadership

Education

Bachelor's or Master's in Computer Science / Data Science

Tools

Redshift

Snowflake

DBT

Apache Airflow

Kafka

AWS (S3, EC2, EMR)

Tableau

Power BI

Looker

Job description

About Us

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards for their cutting-edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever-growing talented team.

The Role

As a Data Engineer, you will play a crucial role in our data team, contributing to developing and maintaining data pipelines and systems. You will work closely with data scientists, analysts, and other stakeholders to ensure the availability and reliability of data for decision-making and analytics. Your responsibilities will encompass data ingestion, transformation, and delivery, as well as maintaining and optimizing data infrastructure.

The Data Engineer is expected to contribute to developing and maintaining data infrastructure, ensuring data reliability and availability. You should be able to work independently and as part of a team, adapting to changing data needs and collaborating with data professionals to provide valuable insights to the organization. Staying current with data engineering best practices and emerging technologies is essential for success in this role.

Responsibilities

• Design, develop, and maintain data pipelines that ingest, process, and deliver data from various sources, ensuring data quality and reliability
• Create and maintain data models to support reporting, analytics, and business intelligence needs, optimizing data structures for performance and efficiency
• Implement ETL processes to transform raw data into meaningful insights, handling data transformation, aggregation, and enrichment
• Monitor and address data quality issues, implement data validation processes, and establish data governance practices
• Manage and optimize data storage, processing, and distribution systems, ensuring scalability and performance
• Collaborate with data scientists, analysts, and cross-functional teams to understand data requirements and deliver solutions that meet business needs
• Document data engineering processes, pipelines, and systems to maintain clear and accessible knowledge for team members

Requirements

• Bachelor's or Master's degree in Computer Science, Data Science, or a related field
• Minimum of 3 years of experience in data engineering or a related field
• Proven experience with Redshift and Snowflake
• Experience with DBT
• Experience with Apache Airflow for workflow orchestration
• Proficiency in Python for data pipeline development and scripting
• Experience with AWS cloud services, including S3, EC2, and EMR
• Familiarity with Kafka for real-time data streaming
• Familiarity with data visualization and reporting tools (e.g. Tableau, Power BI, or Looker)
• Project management skills using Jira or similar tools
• Ability to collaborate effectively with cross-functional teams and understand business data needs
• Strong problem-solving skills, a proactive approach to troubleshooting data issues, and critical thinking abilities
• Adaptable and open to learning new technologies and methodologies

Benefits

• Competitive salary that reflects the value of your skills and talents
• Work-life harmony with a company that genuinely cares about your life outside of work
• Generous annual leave policy to recharge and enjoy life outside of work
• Employee referral program with rewards for bringing talented team members on board
• Comprehensive health and pension benefits, including medical insurance, pension plans, and location-specific perks
• Workation opportunities with 30 extra days to work remotely from anywhere in the world
• Two additional paid volunteer days each year to support causes you care about