Senior Software Engineer (PowerBI & SQL Server)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on building and maintaining Business Intelligence analytics solutions with emphasis on reporting and data models. Required skills include Power BI (DAX, Power Query/M, data modeling, paginated reports), Microsoft SQL Server and T-SQL (query optimization, views, performance tuning), and integrations via REST/HTTP Web Services. Responsibilities cover designing, developing and optimizing dashboards and models, implementing RLS/OLS, performance optimization including query folding, designing data, business logic and UI layers, documenting solutions (UML), participating in the full SDLC and collaborating in Scrum. Benefits include co-financed sports activities, private medical care and remote work opportunities.

newquick applyyou can start ASAP

Senior Software Engineer (PowerBI & SQL Server)

Company: SQUARE ONE RESOURCES sp. z o.o.

from: 21 October 2026
to: 20 November 2026
salary not specifiedB2B contract (full-time)
Offer parameters
level:senior • expert
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

PowerShell
Microsoft SQL Server
T-SQL
PowerBI

Our requirements

  • At least 4 years of professional experience in software development, including at least 2 years in a similar role.
  • At least 2 years of experience in Power BI development or full-stack Power BI support, including custom solutions, dashboards, data models, and paginated reports.
  • Strong hands-on experience with Microsoft Power BI, including DAX, Power Query (M), data modeling, and report development.
  • Strong knowledge of Microsoft SQL Server and T-SQL, including query optimization, database views, and performance tuning.
  • Experience with Web Services, REST APIs, and HTTP APIs.
  • Proven ability to optimize Power BI performance through SQL source optimization and query folding.
  • Knowledge of advanced analytics tools and Power BI security mechanisms, including RLS and OLS.
  • Experience designing and developing data layers, business logic layers, and user interface layers.
  • Knowledge of UML and the ability to design and communicate application structures using UML diagrams.
  • Experience working in Scrum-based development environments.
  • Experience participating in at least one complete software solution lifecycle.
  • Ability to document technical solutions clearly and effectively.
  • Strong analytical and problem-solving skills.
  • Ability to gather and analyze requirements and translate business needs into technical specifications.
  • Experience collaborating with technical teams and presenting solutions to business stakeholders.
  • Ability to provide technical guidance and demonstrate leadership within a development team.

Your responsibilities

  • Design, develop, maintain, and optimize Power BI solutions, including interactive dashboards, data models, paginated reports, and custom solutions.
  • Develop and optimize Microsoft SQL Server applications using T-SQL, database views, and efficient query design.
  • Design and implement data, business logic, and user interface layers.
  • Develop and maintain data models, DAX calculations, and Power Query transformations using the M language.
  • Optimize Power BI performance through SQL source optimization, efficient data retrieval, and query folding.
  • Implement and maintain Row-Level Security (RLS) and Object-Level Security (OLS).
  • Integrate solutions with external systems and services using Web Services, REST APIs, and HTTP APIs.
  • Participate in the complete software development lifecycle, from requirements gathering and solution design to implementation, testing, deployment, and maintenance.
  • Gather business requirements, analyze stakeholder needs, and prepare technical specifications for proposed solutions.
  • Design and document technical solutions, including application architecture and UML diagrams where appropriate.
  • Provide technical leadership, support team collaboration, and contribute to technical decision-making.
  • Participate in Scrum-based development processes and collaborate with developers, technical leads, and business stakeholders.
  • Identify technical issues, troubleshoot complex problems, and propose effective, scalable solutions.
  • Present technical solutions and recommendations to business stakeholders and other audiences.

This is how we organize our work

This is how we work

at the client's siteagilescrum
Company

Benefits

  • sharing the costs of sports activities
  • private medical care
  • remote work opportunities

This is how we work

Senior Software Engineer (PowerBI & SQL Server)
I apply to:
SQUARE ONE RESOURCES sp. z o.o.
Warszawa, Masovian

Need more information?

  • Make sure the body of the offer doesn’t already include what you’re looking for.
  • Ask a question if you need more information you’re interested in.
  • We’ll forward your question to the employer and aim to provide a response within 3 business days.

Share this offer