Currency

BI Developer

Data

BI Developer

Data

Prosta 67, Warszawa

Capital.com

Full-time
Permanent
Senior
Hybrid

Tech stack

    Tableau

    regular

    SQL

    regular

    PostgreSQL

    regular

    API

    junior

    Python

    nice to have

    GitLab

    nice to have

    Airflow

    nice to have

Job description

Our BI team is part of the Data Platform team. We are responsible for reporting for Product and Marketing teams and Tableau Server performance. Our mission is to deliver insightful data visualizations that answer business questions and help stakeholders make data-driven decisions to support growth. We focus on speeding up decision-making processes with accurate data, applying best practices for data visualization and dashboard performance.

Tools we use:

Tableau

SQL: PostgreSQL, AWS Redshift

Python

GitLab

Airflow

Jira/Confluence/Slack


Responsibilities


  • Design and develop interactive, insightful, and visually appealing Tableau dashboards

  • Collaborate with analysts and data engineers to design, build, and optimize data sources

  • Unify and refactor existing dashboards using a style guide and ensuring best practices (documentation available)

  • Optimize dashboard performance and scalability

  • Gather requirements and feedback for dashboards from analysts and stakeholders

  • Provide guidance and support to business users

  • Quickly respond to user-reported bugs and resolve them in a timely manner

  • Support users by answering their questions and addressing issues in chat

  • Optional: Automate manual tasks using Python


Requirements


  • Tableau: strong understanding of data connections, table calculations, LOD expressions, parameter and set actions

  • SQL: basic knowledge of joins, aggregations and window functions

  • Design and UX: familiarity with best practices, Gestalt principles, data-ink ratio, and other key data visualization concepts

  • Troubleshooting and user support: ability to quickly diagnose and fix issues in reports, as well as assist users in real time via chat

  • Nice to have

  • Python: basic understanding of data types, functions, APIs, pandas, numpy and databases

  • Change management: understanding of processes and best practices

  • Experience with ETL/Airflow/GitLab

  • Experience in support roles would be beneficial

Published: 18.09.2025

Meet the company

Capital.com

Founded in 2016, Capital.com is a high-growth fintech operating in the investment trading space. Built by traders for traders, we are focused on putting clients first and delivering elite technology to support the ambitious modern trader.

Company profile
Office location

BI Developer

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BI Developer

Prosta 67, Warszawa

Capital.com

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