Senior Business Intelligence Developer

Sellick Partnership
Preston
1 month ago
Applications closed

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Lead Business Intelligence Analyst

Location: UK (Hybrid North West)

About the Role

We are seeking a Senior Business Intelligence Developer to join a small, high-impact data team. As the lead BI expert, you will work alongside a Data Analyst, IT Manager, Developer, and the CIO, taking ownership of Power BI development across the organisation. You will design and deliver visually compelling, high-quality dashboards and reports, optimise data models for performance, and establish BI best practices throughout the business.

This role involves close collaboration with stakeholders at all levels—from operational teams to executive leadership—translating business requirements into actionable, data-driven insights. While Power BI is the primary tool, experience with Looker or other BI platforms is a bonus but not essential.

This is a hands-on senior position, perfect for someone who enjoys applying technical expertise to create tangible business impact.

Key Responsibilities
  • Design, develop, and maintain intuitive, visually engaging Power BI dashboards and reports.
  • Communicate insights clearly, ensuring they are actionable for both technical and non-technical audiences.
  • Build efficient data models using star schema, slowly changing dimensions, and fact/dimension structures.
  • Optimise large datasets for performance using techniques such as query folding, incremental refresh, aggregations, and composite models.
  • Write and tune SQL queries across multiple platforms for maximum efficiency.
Governance & Standards
  • Define and maintain BI development standards, including naming conventions, workspace structures, and version control.
  • Implement and manage Row-Level Security (RLS) and Object-Level Security (OLS).
  • Establish a centralised semantic layer with consistent KPIs and measures.
Collaboration & Stakeholder Engagement
  • Partner with business leaders to gather reporting requirements and translate them into BI solutions.
  • Mentor and support analysts to enhance the overall BI capability of the team.
  • Act as the company’s go-to expert on BI best practices, providing guidance on tool strategy and adoption.
Data Integration
  • Work closely with IT and Data Engineering teams on data pipelines, ETL/ELT processes, and API integrations.
  • Ensure all BI solutions comply with GDPR and internal data governance standards.
  • Collaborate with the Data Analyst to provide guidance and develop BI skills.
  • Contribute to BI strategy and digital transformation initiatives alongside the CIO.
  • Partner with the IT Manager and Developer to maintain a robust and reliable data architecture.
Key Skills & Experience
  • 5+ years’ experience in BI development with strong Power BI expertise.
  • Advanced DAX, Power Query/M, and data modelling skills.
  • Strong SQL experience (SQL Server, Snowflake, or similar).
  • Proven ability to deliver user-friendly, visually compelling dashboards (portfolio required).
  • Excellent stakeholder management and communication skills.
  • Experience with Looker or other BI platforms.
  • Exposure to cloud data platforms (Snowflake, BigQuery).
  • Familiarity with ELT/ETL tools such as Fivetran or Kleene.
  • Understanding of data governance and GDPR compliance.
What We’re Looking For
  • A BI professional who combines deep technical expertise with a clear focus on business outcomes.
  • Someone who challenges assumptions and advocates for data-driven decision making.
  • A visual storyteller who produces clean, impactful dashboards.
  • A proactive senior hire capable of setting standards, taking ownership, and mentoring others.


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