Data Engineer

Title: Data Engineer Location: Warsaw

Role Overview
We are looking for a passionate Data Engineer to join our MarTech Team — the heart of marketing (UA) data analytics. You will play a key role in building and optimizing data pipelines that power business-critical insights and personalized marketing experiences with the focus on supporting the expansion of our proprietary rewarded marketing program. As a company, we process over 4 billion events per day and handle more than 100TB of data every month, ingesting data from various sources including mobile apps, marketing platforms, and internal systems to enable data-driven decision-making across campaigns and product strategies.
Key Responsibilities

• Build and maintain ETL pipelines using Python for marketing data workflows
• Develop and support Data Warehouses (Snowflake, Firebolt) and Data Lakes
• Integrate data from mobile marketing platforms into centralized data stores
• Automate and optimize data pipelines for scalability, performance, and cost efficiency
• Ensure data quality, validation, and governance across all data processes
• Collaborate with Marketing and in-house Studio teams to deliver data-driven solutions for business needs.

Required Skills, Knowledge and Expertise

• 4+ years of experience in Data Engineering
• 3+ years of hands-on experience with Python and Pandas/Polars
• Strong working knowledge of SQL for data querying and transformation
• Proficient understanding of distributed computing principles
• Practical experience with Airflow for workflow orchestration
• Experience with Snowflake or other modern OLAP databases
• Solid understanding of data modeling concepts
• Excellent English communication skills, both written and verbal
• Collaborative team player with strong problem-solving and analytical skills
• Experience with AI development tools like Claude Code etc

Nice to have

• Experience working with Firebolt
• Experience designing and building scalable systems on AWS
• Background in the gaming industry or familiarity with gaming data
• Understanding of CI/CD pipelines and DevOps principles

Working at Tripledot

• 26 days holiday: Enjoy 26 days of paid holiday in addition to national/bank holidays to relax and refresh throughout the year.
• 20 days fully remote working: Work from anywhere in the world, 20 days of the year.
• Regular company events and rewards: Join in regular events and rewards that celebrate cultural events, our achievements and our team spirit.Private Medical Cover: Have peace of mind with private medical cover, ensuring your and your family's health is in good hands.
• Daily Free Lunch: Order free food from Pyszne.pl
• Multisport Plus Card: Enjoy access to various sports facilities across Warsaw with the Multisport Plus Card.
• Employee Assistance Program: Anytime you need it, tap into confidential, caring support with our Employee Assistance Program, always here to lend an ear and a helping hand.
• Family Forming Support: Receive vital support on your family forming/ fertility journey with our support program [subject to policy]
• Continuous Professional Development: Propel your career with continuous opportunities for professional development
• Office Playroom: Unwind and recharge in our fun and relaxing office playroom.
• English & Polish Classes: Improve your language skills with access to English and Polish classes.
• Lunch: Relish daily provided lunch to keep you fueled and focused.