10/30/2026 updated
AK
100 % available
Senior Data & AI Engineer | Snowflake, dbt, Airflow, AWS, Python
Krakow, Poland
Only remote
IT Technologies in Business, Andrzej Frycz Modrzewski Krakow University, PolandAbout me
Senior Data & AI Engineer with 13+ years building and migrating data warehouses and ELT platforms for UK organisations. Snowflake, dbt and Airflow specialist with deep SQL and data modelling (Kimball, Data Vault). Leads migrations end to end, model to production. Builds LLM multi-agent systems.
Sql Data WarehouseAutomatic Data Processing EquipmentApache AirflowBig DataCloud EngineeringData ArchitectureData InfrastructureData IntegrationData Manipulation LanguagesData TransformationData MigrationData Processing SystemsData SystemData Transformation ServicesData Vault Modeling
Data Warehouse Design & Migration
Expertise in designing and migrating data warehouses end to end, including Kimball and Data Vault modelling, legacy-to-cloud migrations, and performance tuning across Oracle, SQL Server, PostgreSQL, Amazon Redshift and Snowflake.
Cloud ELT Pipeline Engineering
Proficiency in building scalable ELT pipelines using Python, PySpark, Pandas, dbt and Apache Airflow, with orchestration, automated data-quality testing, version control and deployment across dev, test and production environments.
AI & LLM Systems Development
Hands-on experience designing and building LLM-based multi-agent systems, including agent and prompt design, synthetic data generation, AI governance (EU AI Act, DORA) and self-hosted multi-agent fleet architectures.
Snowflake & Cloud Data Platforms
Deep knowledge of Snowflake, Amazon Redshift, PostgreSQL, Oracle, SQL Server, Teradata and MongoDB as data platform technologies for enterprise-scale analytics and reporting.
AWS & DevOps
Practical experience with AWS services including S3, Glue, Athena, Lambda and CloudFormation, as well as Google Cloud Platform, Terraform, Git and CI/CD pipelines.
SQL & Database Development
Advanced SQL skills covering T-SQL, PL/SQL and PL/pgSQL, including stored procedures, complex query optimisation, indexing, partitioning and schema validation.
Geospatial Data Engineering
Experience building geospatial data warehouses and analysing GPS data using Python spatial libraries to support safety-critical operations and route optimisation.
Business Intelligence with Looker
Delivery of self-service analytics by integrating Looker with data warehouses, enabling business teams to access dashboards and reports independently.
RegTech & Synthetic Data Platforms
Co-founding and building RegTech SaaS products and B2B synthetic banking data platforms with compliance artefacts for DORA, the EU AI Act and BCBS 239.
Expertise in designing and migrating data warehouses end to end, including Kimball and Data Vault modelling, legacy-to-cloud migrations, and performance tuning across Oracle, SQL Server, PostgreSQL, Amazon Redshift and Snowflake.
Cloud ELT Pipeline Engineering
Proficiency in building scalable ELT pipelines using Python, PySpark, Pandas, dbt and Apache Airflow, with orchestration, automated data-quality testing, version control and deployment across dev, test and production environments.
AI & LLM Systems Development
Hands-on experience designing and building LLM-based multi-agent systems, including agent and prompt design, synthetic data generation, AI governance (EU AI Act, DORA) and self-hosted multi-agent fleet architectures.
Snowflake & Cloud Data Platforms
Deep knowledge of Snowflake, Amazon Redshift, PostgreSQL, Oracle, SQL Server, Teradata and MongoDB as data platform technologies for enterprise-scale analytics and reporting.
AWS & DevOps
Practical experience with AWS services including S3, Glue, Athena, Lambda and CloudFormation, as well as Google Cloud Platform, Terraform, Git and CI/CD pipelines.
SQL & Database Development
Advanced SQL skills covering T-SQL, PL/SQL and PL/pgSQL, including stored procedures, complex query optimisation, indexing, partitioning and schema validation.
Geospatial Data Engineering
Experience building geospatial data warehouses and analysing GPS data using Python spatial libraries to support safety-critical operations and route optimisation.
Business Intelligence with Looker
Delivery of self-service analytics by integrating Looker with data warehouses, enabling business teams to access dashboards and reports independently.
RegTech & Synthetic Data Platforms
Co-founding and building RegTech SaaS products and B2B synthetic banking data platforms with compliance artefacts for DORA, the EU AI Act and BCBS 239.
Languages
EnglishNative speaker
Project history
Designing a B2B platform generating synthetic banking data with compliance artefacts for DORA, the EU AI Act and BCBS 239.
Leading the migration of approximately 150 enterprise HR tables from legacy Oracle to Snowflake into a four-layer data warehouse, with transformations in dbt and orchestration in Apache Airflow. Automated approximately 200 dbt models across four layers with documented schemas, automated data-quality tests and version control. Owns releases across dev, test and production environments and leads code reviews contributing to solution design, unit testing and technical documentation.
Built a working prototype of a broker cockpit covering an 8-stage mortgage workflow for regulated intermediaries. Delivered a proof of concept for automated bank-form completion in Python (XFA PDF injection with pikepdf). EEC Startup Challenge 2026 semi-finalist (top 80).