Skip to Main Content

Job Title


BI Data Engineer


Company : Medium


Location : Warsaw, IL


Created : 2026-04-20


Job Type : Full Time


Job Description

We are looking for an experienced and highly motivated BI Data Engineer to join our Business Intelligence & Insights team and play a key role in shaping the data foundations that power Kpler's products, analytics, and strategic decision"‘making. Reporting to the Director of BI, you will build scalable pipelines, robust data models, and reliable infrastructure that enable teams across the organisation to access accurate, high"‘quality data. This is a high"‘impact role for someone who enjoys solving complex data problems, thrives in an international, fast"‘paced environment, and is excited to design the systems that fuel insights, reporting, and machine learning at scale. Key Responsibilities Architect and develop scalable, resilient, high"‘quality data solutions to support analytics, reporting, and machine learning workloads. Design, implement, and maintain reliable ETL/ELT pipelines that integrate, cleanse, and consolidate data from diverse internal and external sources, including APIs and third"‘party systems. Ensure data is accurately ingested, transformed, stored, and made accessible through robust testing frameworks and clearly defined business rules. Translate business requirements into scalable data models and transformation logic, working with large, multidimensional datasets to surface insights, trends, and opportunities. Build and maintain the BI reporting codebase, ensuring high standards of data integrity, availability, and performance across the organisation. Create and maintain backend infrastructure that supports analytics platforms, dashboards, and machine learning pipelines. Develop and execute unit and integration tests for data pipelines and transformation scripts to ensure reliability and consistency. Proactively identify inefficiencies and bottlenecks in data flows and propose scalable, forward"‘looking solutions. Partner closely with product managers, engineers, commercial teams, and business stakeholders to understand strategy and data needs, aligning delivery with the BI roadmap. Contribute to team growth through code reviews, design discussions, and knowledge sharing, while staying current with industry best practices. Take ownership of the quality, integrity, and consistency of the BI data codebase and associated datasets. Ensure ETL efficiency and data availability to meet stakeholder requirements and business SLAs. Adhere to engineering best practices, including documentation, version control, and maintainable code standards. Support and deliver against team OKRs and KPIs, contributing to overall team and business success. Skills and Experience 2-4 years of back"‘end and/or data engineering experience, delivering production"‘grade data solutions. Demonstrated experience working in a global or international environment, collaborating across regions and time zones. Significant experience working with Python. Experience with SQL and NoSQL databases for OLTP and OLAP usages. Experience ingesting and processing data from external APIs. Experience with GCS (Google Cloud Services) and modern data warehousing (ideally BigQuery). Familiarity with BI data architecture and version control tools such as GitHub or GitLab. Understanding of performance optimization. Strong understanding of the business logic behind datasets, with an ability to ensure trust and data quality. Analytical, detail"‘oriented, and committed to building reliable, scalable solutions. Comfortable working with unstructured or imperfect data and transforming it into actionable insights. A collaborative team player who thrives in a global, multicultural environment. Strong communicator who can translate complexity into clarity for non"‘technical stakeholders. Nice to have Experience in BI tools such as Looker, Tableau, or similar would be a plus. Working knowledge of PHP. Experience with Airflow. By applying, I confirm that I have read and accept the Staff Privacy Notice Kpler is committed to providing a fair, inclusive and diverse work"‘environment. We believe that different perspectives lead to better ideas, and better ideas allow us to better understand the needs and interests of our diverse, global community. We welcome people of different backgrounds, experiences, abilities and perspectives and are an equal opportunity employer. Don't meet every single requirement? Research shows that women and people of color are less likely than others to apply if they feel like they don't match 100% of the job requirements. Don't let the confidence gap stand in your way, we'd love to hear from you! We understand that experience comes in many different forms and are dedicated to adding new perspectives to the team. #J-18808-Ljbffr