Your responsibilities, Support a large-scale transformation from SQL Server–based systems to a Databricks / Delta Lake platform, Transform complex, business-critical SQL logic (stored procedures) into clean, maintainable, and scalable Python / PySpark code, Redesign and implement this logic in Python / PySpark within Databricks, Contribute to a large, long-running data engineering codebase used by multiple teams, Develop production-grade transformation code (packages, modules, reusable components), Design and evolve data models within a Medallion Architecture (Bronze / Silver / Gold) across multiple data layers, Ensure software engineering quality, reusability, and long-term maintainability, Apply software engineering best practices (clean code, OOP, modularization, refactoring), Work with very large data volumes and highly parallel, event-driven transformations, Actively participate in code reviews and technical design discussions, Support orchestration workflows (e.g., Azure Data Factory)

Very strong Python and PySpark skills; proven experience with Databricks and Delta Lake, Experience working in large, shared codebases (beyond notebooks), Strong SQL skills, especially reading and understanding complex logic, Solid object-oriented programming experience, clean code principles, Strong data modelling background (transactional and analytical), Experience in redesigning models during platform migrations, Familiarity with layered data architectures (Bronze / Silver / Gold), Very good English skills

Optional, Azure Data Factory (orchestration), Azure DevOps, Git, CI/CD pipelines, Power BI or analytics tooling, Infrastructure / DevOps knowledge (not mandatory)

This is how we work, at the client's site, you focus on a single project at a time, you have influence on the technological solutions applied, agile, scrum

This is how we work on a project, Clean Code, code review, Continuous Deployment, Continuous Integration, DevOps, documentation, issue tracking tools, testing environments

Development opportunities we offer, intracompany training, mentoring, substantive support from technological leaders, technical knowledge exchange within the company

What we offer, Remote working model, Full-time job agreement based on b2b and employment contract, Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible, Multisport card (also for an accompanying person), Life insurance

Benefits, sharing the costs of sports activities, private medical care, life insurance, remote work opportunities, flexible working time, integration events, dental care, no dress code

Recruitment stages, HR screen, Technical meeting, Decision

Cyclad, In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting edge technologies that shape the world of the future.

This is how we work,

About the project

In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Senior Data Engineer with Python and Databricks.

This role supports a large-scale transformation from SQL Server–based systems to a Databricks / Delta Lake platform. The focus is on enterprise-grade data engineering and software development, not analytics or reporting. The project is SQL2Databricks migration, it involves 3500-4000 SQL DBs (2TB), replicating data in different shapes/ schemas to Databricks.

Type of project: IT Services

Office location: Poland

Work model: Remote from Poland

Budget: 140 - 160 PLN net/ h - b2b

Project length: till the end of 2026, possible to extend it

Only candidates with citizenship in the European Union and residence in Poland

Start date: ASAP

This is how we work on a project, Clean Code, code review, Continuous Deployment, Continuous Integration, DevOps, documentation, issue tracking tools, testing environments

About the project

In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Senior Data Engineer with Python and Databricks.

This role supports a large-scale transformation from SQL Server–based systems to a Databricks / Delta Lake platform. The focus is on enterprise-grade data engineering and software development, not analytics or reporting. The project is SQL2Databricks migration, it involves 3500-4000 SQL DBs (2TB), replicating data in different shapes/ schemas to Databricks.

Type of project: IT Services

Office location: Poland

Work model: Remote from Poland

Budget: 140 - 160 PLN net/ h - b2b

Project length: till the end of 2026, possible to extend it

Only candidates with citizenship in the European Union and residence in Poland

Start date: ASAP

Your responsibilities

• Support a large-scale transformation from SQL Server–based systems to a Databricks / Delta Lake platform
• Transform complex, business-critical SQL logic (stored procedures) into clean, maintainable, and scalable Python / PySpark code
• Redesign and implement this logic in Python / PySpark within Databricks
• Contribute to a large, long-running data engineering codebase used by multiple teams
• Develop production-grade transformation code (packages, modules, reusable components)
• Design and evolve data models within a Medallion Architecture (Bronze / Silver / Gold) across multiple data layers
• Ensure software engineering quality, reusability, and long-term maintainability
• Apply software engineering best practices (clean code, OOP, modularization, refactoring)
• Work with very large data volumes and highly parallel, event-driven transformations
• Actively participate in code reviews and technical design discussions
• Support orchestration workflows (e.g., Azure Data Factory)

Recruitment stages

• HR screen
• Technical meeting
• Decision

Benefits, sharing the costs of sports activities, private medical care, life insurance, remote work opportunities, flexible working time, integration events, dental care, no dress code

Recruitment stages, HR screen, Technical meeting, Decision

Cyclad, In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting edge technologies that shape the world of the future.

This is how we work,

About the project

In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Senior Data Engineer with Python and Databricks.

This role supports a large-scale transformation from SQL Server–based systems to a Databricks / Delta Lake platform. The focus is on enterprise-grade data engineering and software development, not analytics or reporting. The project is SQL2Databricks migration, it involves 3500-4000 SQL DBs (2TB), replicating data in different shapes/ schemas to Databricks.

Type of project: IT Services

Office location: Poland

Work model: Remote from Poland

Budget: 140 - 160 PLN net/ h - b2b

Project length: till the end of 2026, possible to extend it

Only candidates with citizenship in the European Union and residence in Poland

Start date: ASAP