Senior Power BI Developer-.NET & SQL-EU Citizens Only-Poland

ITConnect Sp. z o.o.; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

ITConnect is seeking a Power BI professional to design, develop, and support enterprise reporting and analytics for a European Institution. The role blends Power BI development, SQL querying, data modeling, and technical leadership.

You will design and maintain dashboards, translate business requirements into technical solutions, optimize SQL Server databases and integrations, build REST API connections, and provide 2nd/3rd line support, plus documentation and stakeholder collaboration.

Qualifications

• Bachelor’s degree or higher in IT or related field.
• Minimum 4 years of IT experience and 2+ years in Power BI.
• Experience delivering enterprise reporting and analytics solutions.
• Strong SQL Server, data modeling, and API integration skills.
• Ability to translate business requirements into technical solutions.

Responsibilities

• Design, develop, and maintain Power BI dashboards, reports, and data models.
• Gather and translate business requirements into technical solutions.
• Develop and optimize SQL Server databases, queries, and integrations.
• Build and support REST APIs and web service integrations.
• Improve report performance through data model optimization and query tuning.
• Contribute to software development, testing, deployment, and release management.
• Provide 2nd and 3rd line support for Power BI solutions.
• Produce technical documentation and collaborate with stakeholders.

Skills

Power BI development

Data modeling

SQL optimization

REST APIs

Documentation

Technical leadership

Education

Bachelor’s Degree (Level 6) or higher

Software Development Certification

Tools

Microsoft SQL Server

T-SQL

DAX

Power Query (M)

REST APIs / Web Services

UML

Row-Level Security (RLS)

Object-Level Security (OLS)

Job description

Design, develop, and support enterprise reporting and analytics solutions for a European Institution. The work combines Power BI development, SQL expertise, data modeling, and technical leadership.

• Design, develop, and maintain Power BI dashboards, reports, and data models.
• Gather and translate business requirements into technical solutions.
• Develop and optimize SQL Server databases, queries, and integrations.
• Build and support REST APIs and web service integrations.
• Improve report performance through data model optimization and query tuning.
• Contribute to software development, testing, deployment, and release management activities.
• Provide 2nd and 3rd line support for Power BI solutions.
• Produce technical documentation and collaborate with business stakeholders.
• Power BI
• DAX
• Power Query (M)
• Microsoft SQL Server
• T-SQL
• Data Modeling
• REST APIs / Web Services
• UML
• Performance Optimization
• Row-Level Security (RLS)
• Object-Level Security (OLS)
• Bachelor’s Degree (Level 6) or higher
• Relevant Software Development Certification (or equivalent)
• Minimum 4 years of IT experience
• Minimum 2 years in Power BI development or support
• Experience delivering enterprise reporting and analytics solutions