Software Developer Power BI m f n

We are looking for a Software Developer (m/f/n) to join our client's team carrying out a project for one of the EU institutions in Warsaw. Offer: Rate: up to 354 EUR/MD B2B Contract signed with Shimi Work model: on-site, office in Warsaw Start: 15.11.2026, long-term cooperation Certificates: Intermediate level certificate in software development relevant to the domain or an equivalent certification recognized internationally (subject to acceptance as a valid credential by the Contracting Authority) Knowledge and skills Higher education At least 4 years of experience in IT, at least 2 years experience at the similar position English B2 Has gone at least 1 time through the complete lifecycle of the solution Expert in developing enterprise level software systems in 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 Is capable for leading technical teams Holds ability to document effectively technical solutions Presents problem solving skills Specific requirements Minimum 2 years of experience in Full-stack Power BI support or developer role (custom solutions development, dashboards, data models, paginated reports etc.) Microsoft SQL Server applications development with T-SQL knowledge, experience with Experience with Web Services, REST API, API Experience with DAX & Power Query (M language) – data optimization, Advanced Data Analytics tools, Row-Level Security (RLS), Object-Level Security (OLS). Strong skills in Power BI performance tuning via MS SQL source optimization, including efficient T-SQL, database Views, and maximizing Query Folding. Requirement elicitation and draft specifications for final solution Team work, conflict management, result-oriented, able to present to Business stakeholders and other audience Typical tasks: Designs and develops the system Lead development teams Translates requirements into design Optimizes software from performance, security and quality points of view Produces technical documentation Estimates effort and time for development Sets software development standards Propose technical solutions for business needs and technical problems Collects and interprets software metrics Manages configuration and releases Contributes to requirements analysis, testing, quality assurance, change management, deployment Tests solutions and develops testing tools Documents developments Prototypes solutions Acts as 2nd and 3rd line support