Senior BI Developer (Remote in Poland)

Oversee (Formerly Fairfly)

Oversee (Formerly Fairfly)

Software Engineering

Poznań, Poland

Posted on Apr 16, 2026
At Oversee, we are reimagining how corporate travel is managed.

Our advanced technology and machine learning eliminate outdated, manual processes that hold companies back - driving cost savings, boosting efficiency, and enabling smarter decisions.

We combine travel analytics with actionable insights, giving global enterprises the proper tools to view their expenses while continuously improving their programs.

We are the global leader for air and hotel reshopping solutions and also provide "AgentSee", an AI-powered productivity tool designed to help Travel Management Companies (TMCs) work smarter and faster. AgentSee automates manual tasks like processing traveler emails, booking flights, and managing travel arrangements; enabling TMCs to reduce costs and improve service quality.

If you are looking for a dynamic, fast-paced, and positive environment and want to help solve a $17B global problem, Oversee is the place to build, grow, and make an impact.

We're growing fast, with exponential YoY revenue growth and partnerships with many of the world's largest Fortune 500 companies.

Why join us?

Now, we are looking for a BI Developer who's passionate about data, building smart solutions, and driving real business impact. This role is not just about building reports — it's about owning BI projects end-to-end and working closely with product teams to move the needle on revenue and business impact. You'll have the autonomy to lead, the tools to deliver, and the opportunity to shape how data drives our decisions.

Come shape the future of business travel with us!

What you'll do:

  • Be a key part of our product data development journey;
  • Design, build and maintain BI solutions that power decision-making across Oversee;
  • Take ownership of parts of our data warehouse - from planning the architecture to hands-on implementation;
  • Partner directly with product and business teams to understand needs, recommend solutions, and deliver them end-to-end;
  • Build dashboards and reports in Power BI that tell a clear story and drive action

About you:

  • 5+ years as a BI/Data Developer (or similar role)
  • Strong SQL skills and a sharp analytical mindset
  • 2+ years building Power BI dashboards (not just consuming them)
  • Good eye for UI/UX and how data should be presented
  • Experience with data quality best practices and methodologies
  • Familiar with ETL/ELT and DWH concepts (and eager to dive deeper)
  • Comfortable with version control and deployment processes

Bonus points if you have:

  • BS in Computer Science, Math, Statistics, Industrial Engineering, or a similar analytical field
  • Hands-on with Snowflake or dbt
  • Experience with Power BI embedded
  • Python for BI/ETL tasks
  • Strong UI/UX design sense for dashboards

Our technology stack:

  • Data warehouse: Snowflake, Dbt
  • Analytics & Visualization: Power BI
  • Languages: SQL, Python
  • Data orchestrator: Dagster

We are proud to be an equal opportunity workplace.

We provide employment opportunities without regard to race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, or veteran status.