Data Engineer

Luxoft; Kraków; On-site; PLN 111,600 - 156,240; Full time

Job summary

Luxoft is seeking a data-focused developer in Kraków to join our technology team. The role involves building high-quality user interfaces and integrating data from various sources. You will work closely with backend engineers, UX designers, and product stakeholders to deliver reliable and user-friendly digital solutions.

The ideal candidate has strong SQL and Python skills, experience with AWS cloud platforms such as S3 and Glue, and an understanding of data pipelines. If you are passionate about data and enjoy problem-solving, we want to hear from you.

Qualifications

• Strong SQL skills with experience in joins, aggregations, and debugging complex queries.
• Proficient in Python or similar scripting languages.
• Experience with AWS cloud data platforms, especially S3, Athena, and Glue.
• Understanding of data pipelines and ETL concepts.
• Experience with Git or other version control systems.
• Demonstrated analytical and problem-solving abilities.
• Capability to debug data issues from start to finish.
• Excellent communication skills for working with both technical and non-technical stakeholders.

Responsibilities

• Provide operational support for existing reports and dashboards.
• Participate in the design, development, testing, deployment, and support of dashboards.
• Perform data integration and maintenance into the tool.
• Conduct impact analysis and validate existing reports after upgrades.
• Implement industry BI standards and practices.
• Identify problems and provide proactive solutions.

Skills

Strong SQL skills

Python or similar scripting language

Experience with cloud data platforms

Understanding of data pipelines / ETL concepts

Git / version control experience

Strong analytical problem-solving

Ability to debug data issues end-to-end

Clear communication with stakeholders

Tools

PySpark

Airflow

Job description

Project description

Role We are seeking a data-focused developer to join our technology team and contribute to the development of modern, scalable web applications.The role focuses on building high quality user interfaces and integrating data from internal database driven APIs, external services, and third party content providers.You will collaborate closely with backend engineers, UX designers, and product stakeholders to deliver performant, reliable, and user friendly digital solutions within an API driven architecture.

Responsibilities

• Provide operational support for existing reports/dashboards
• Participate in analysis, design, development, testing, deployment and support of dashboards and reports
• Perform data integration into the tool, maintanance and support
• Perform impact analysis and validation of existing production reports and universes after application and database upgrade
• Implement industry BI standards and best practices
• Proactively identify problems/issues/risks and provide solutions

SKILLS

Must have

• Strong SQL skills (joins, aggregations, debugging complex queries)
• Python or similar scripting language
• Experience with cloud data platforms (AWS preferred: S3, Athena, Glue)
• Understanding of data pipelines / ETL concepts
• Git / version control experience
• Strong analytical problem-solving
• Ability to debug data issues end-to-end
• Clear communication with technical and non-technical stakeholders

Nice to have

• Experience with PySpark or large-scale data processing
• Exposure to Airflow / orchestration tools
• Understanding of data modelling and reporting datasets
• Experience working with JSON / APIs