Power BI Developer

Vector Synergy; Województwo mazowieckie; On-site; PLN 150,000 - 210,000; Full time

Job summary

Vector Synergy, a prime contractor for NATO and EU agencies, seeks a Software Developer with Power BI to join a Warsaw-based team. Relocation is required for this B2B role.

The ideal candidate brings 4+ years IT experience, 2+ years in a Power BI developer role, and strong SQL/T-SQL skills. You will lead technical work, document solutions, and present to stakeholders as part of enterprise-grade systems.

Qualifications

• Min. 4 years of IT experience.
• Min. 2 years in a similar role.
• Mandatory intermediate-level software development certificate.
• Min. 2 years in a full-stack Power BI support or developer role.
• MS SQL Server with T-SQL; REST/Web APIs.
• Experience with DAX & Power Query (M language).
• Power BI performance tuning via MS SQL optimization and query folding.
• Teamwork, conflict management, result-oriented.
• Ability to present to business stakeholders.
• Experience with the complete lifecycle of the solution.
• Enterprise-level software design in a defined tech domain; UML knowledge.
• Design across data, business logic, and UI layers.
• Experience in Scrum environments.
• Capable of leading technical teams.
• Ability to document technical solutions effectively.

Skills

Teamwork

Conflict management

Presentation to stakeholders

Lifecycle experience

Leadership of technical teams

Data analytics

Power BI

DAX & Power Query

T-SQL

REST API/Web Services

UML design

Scrum

Documentation

Education

Intermediate-level certificate in software development (mandatory)

Tools

Power BI

Microsoft SQL Server / T-SQL

DAX

Power Query (M language)

REST API

Web Services

Query Folding

UML

Job description

Vector Synergy, a prime contractor for NATO and European Union agencies, is looking for a Software Developer with Power BI.

Location: Warsaw, Poland (relocation required)

Contract: B2B

Knowledge and skills:

• Min. 4 years of experience in IT
• Min. 2 years of experience in a similar role
• Intermediate-level certificate in software development relevant to the domain or an equivalent certification recognised internationally (mandatory)
• Min. 2 years of experience in a full-stack Power BI support or developer role
• Microsoft SQL Server application development with T-SQL knowledge, experience with Web Services, REST API, and HTTP API
• Experience with DAX & Power Query (M language) – data optimisation, Advanced Data Analytics tools, Row-Level Security (RLS), Object-Level Security (OLS)
• Strong skills in Power BI performance tuning via MS SQL source optimisation, including efficient T-SQL, database Views, and maximizing Query Folding
• Teamwork, conflict management, result-oriented
• Ability to present to business stakeholders
• Experience with the complete lifecycle of the solution
• Expert in developing enterprise-level software systems in a specified technology domain
• Knows UML and can design applications in UML
• Proficient in designing and developing: data layer, business logic layer and UI layer
• Worked in Scrum developments
• Capable of leading technical teams
• Ability to document technical solutions effectively