Expert Data Engineer Microsoft SQL Server, T-SQL, ETL, Git Warszawa, Gdańsk

Diverse CG Sp. z o.o. Sp.k.; Województwo pomorskie; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant support

Job summary

Diverse CG Sp. z o.o. Sp.k. is seeking a data integration specialist to design, develop, and maintain SQL Server-based ETL processes in a data warehousing environment. You will work with SSIS, Snowflake, and Git to ensure data quality, reliability, and timely deployments across multiple source systems.

The role requires strong SQL skills, experience with data validation, and excellent English communication to collaborate with partners and stakeholders in a fast-paced recruitment context.

Qualifications

• Strong hands-on experience in Microsoft SQL Server and T‑SQL.
• Proven experience with SSIS for ETL package development and maintenance.
• Practical experience with SQL Server Agent scheduling and monitoring.
• Solid understanding of ETL concepts, data warehousing, and dimensional modelling.
• Hands-on knowledge of Git or other version control systems.
• Experience with Snowflake cloud data platform.
• Ability to implement data validation and data quality controls within ETL processes.
• Experience in database maintenance, query optimization, and performance tuning.
• Very good command of English, both spoken and written.

Responsibilities

• Strong hands-on experience in Microsoft SQL Server and T‑SQL
• Develop and maintain ETL packages using SSIS
• Schedule and monitor SQL Server Agent jobs
• Design and optimize stored procedures, functions, views, and scripts
• Implement data validation and quality checks in ETL processes
• Understand ETL concepts, data warehousing, and dimensional modelling
• Manage changes and deployments activities
• Perform database maintenance, indexing, and performance tuning
• Collaborate with teams and analyse complex data problems

Skills

SQL Server

T‑SQL

ETL development

Data warehousing

Data quality checks

Analytical thinking

English communication

Problem solving

Tools

SSIS

Git

Snowflake

SQL Server Agent

Job description

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Responsibilities:

• Strong hands-on experience in Microsoft SQL Server and T‑SQL
• Experience in developing and maintaining ETL packages using SQL Server Integration Services (SSIS)
• Experience with SQL Server Agent job scheduling and monitoring
• Knowledge of version control systems such as Git
• Knowledge of cloud-based data platform Snowflake
• Build and maintain data extraction, transformation, and loading processes from multiple source systems
• Design, develop, and maintain complex stored procedures, functions, views, and SQL scripts to implement business rules and data transformation logic
• Implement data validation and data quality checks within ETL processes
• Knowledge of ETL concepts, data warehousing, and dimensional modelling
• Manage changes and deployments activities
• Perform database maintenance activities, including index, query optimization and performance tuning
• Strong analytical and problem solving abilities

Requirements:

• Strong hands-on experience in Microsoft SQL Server and T‑SQL
• Proven experience with SQL Server Integration Services (SSIS) for ETL package development and maintenance
• Practical experience with SQL Server Agent job scheduling and monitoring
• Solid understanding of ETL concepts, data warehousing, and dimensional modelling
• Hands‑on knowledge of Git or other version control systems
• Experience working with Snowflake cloud data platform
• Ability to implement data validation and data quality controls within ETL processes
• Experience in database maintenance, query optimization, and performance tuning
• Strong analytical and problem‑solving skills
• Very good command of English, both spoken and written

Nice to have:

• Knowledge of Generative AI
• Knowledge of Machine Learning

Offer:

• Private medical care
• Co‑financing for the sports card
• Constant support of dedicated consultant

Personal Consulting Agency (License No. 4642)