BI Developer

Bennet & Boss
Rotterdam, Netherlands
5 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate

Job location

Rotterdam, Netherlands

Tech stack

Data analysis
Information Systems
Continuous Integration
Data Governance
ETL
Python
Microsoft Data Access Components
Performance Tuning
Power BI
SQL Databases
Tableau
Management of Software Versions
Snowflake
Information Technology
QlikView
Amazon Web Services (AWS)

Job description

We are looking for a BI Developer to design reliable data models, build and optimise ETL pipelines and interactive dashboards, and turn complex datasets into trusted, actionable insights for the business. Tasks & Responsibilities

  • Design, build, test, and document BI reports and dashboards that support decision-making.
  • Translate business requirements into clear technical specs and scalable BI solutions.
  • Develop and optimise star/snowflake data models and semantic layers.
  • Create, schedule, and monitor ETL/ELT processes to ensure accurate, timely data.
  • Improve performance and usability of existing reports, datasets, and queries.
  • Analyse data and present insights with clear storytelling and visual best practices.
  • Ensure data quality, lineage, security, and compliance with governance standards.
  • Proactively troubleshoot data/refresh issues and drive root-cause fixes.
  • Standardise KPIs/definitions and contribute to a reusable analytics framework.
  • Mentor junior developers and share best practices across the team.
  • Stay current on BI tools, features, and industry trends; recommend improvements.

Requirements

Bachelor's degree in Computer Science, Information Systems, Data/Analytics or similar, Do you have experience turning messy, multi-source data into trusted, business-critical insights? Have you implemented CI/CD, versioning, or deployment pipelines for BI?, * Bachelor's degree in Computer Science, Information Systems, Data/Analytics, or similar (Master's a plus!).

  • 7+ years in BI/analytics, including 3+ years in senior/lead responsibilities.
  • Strong SQL (queries, performance tuning) and solid ETL/ELT experience.
  • Proficiency with a major BI platform (Power BI preferred; Tableau or Qlik also valued).
  • Experience modeling data (star/snowflake), building semantic models, and DAX/MDX (if Power BI).
  • Working knowledge of Python or R for data preparation and analysis.
  • Proven track record in data governance: data quality, security, lineage, and documentation.
  • Comfortable engaging stakeholders, gathering requirements, and managing change.
  • Clear communicator with strong analytical thinking and attention to detail.
  • Relevant certifications (e.g., Microsoft Data Analyst/Power BI, CBIP, AWS Data Analytics) are a plus!

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