BI Developer (12-18 month FTC)

Harnham · London, London

BI Developer (12-18 month FTC) at Harnham, based in London, London, paying £60,000 per annum. This is a permanent role with hybrid working.

Salary
£60,000 per annum
Location
London, London · Hybrid
Contract
Permanent
Posted
1 day ago
Closes
22 Nov 2026
Sector
Data Analyst

15% below the typical rate for data analyst

Reference https://www.harnham.com/job/e1aeb1da-8723-4ba1-d23d-08d5948a7341-bi-developer-12

About the role

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BI DEVELOPER (12-18 MONTH FTC)
LONDON/HYBRID
UP TO £60,000

This is an excellent opportunity for a BI Developer to join a growing consultancy that delivers data and analytics solutions to leading investment and financial services organisations. You’ll work on a variety of complex data projects, gain exposure to different client environments, and contribute to the development of scalable business intelligence solutions that drive decision-making.

ROLES AND RESPONSIBILITIES:
The BI Developer will:

  • Build and maintain ETL processes and data pipelines.
  • Develop and optimise SQL Server and T-SQL solutions.
  • Design and enhance semantic, tabular, and dimensional data models.
  • Support SSAS cube development and DAX calculations.
  • Work closely with data and business analysts to translate requirements into technical solutions.
  • Troubleshoot data issues and supporting end users.
  • Contribute to testing, quality assurance, and peer review activities.
  • Collaborate with senior developers on solution design and technical delivery.
  • Work with evolving requirements and diverse client architectures.

YOUR SKILLS AND EXPERIENCE:
The ideal candidate will have the following skills and experience:

  • Strong commercial experience with SQL Server and T-SQL development.
  • Proven ETL development and data pipeline experience.
  • Solid understanding of data warehousing principles and best practices.
  • Experience with dimensional modelling, including concepts such as star schema, semantic models, tabular models and Kimball methodologies.
  • Exposure to DAX development.
  • Experience working across complex data environments and multiple stakeholders.
  • Strong problem-solving and communication skills.
  • Consultancy experience is highly desirable, although candidates from fast-paced project environments will also be considered.
  • Exposure to Python would be advantageous.

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Reference: https://www.harnham.com/job/e1aeb1da-8723-4ba1-d23d-08d5948a7341-bi-developer-12 · Posted 1 day ago · Closes 22 Nov 2026 · Listed via Harnham

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Salary £60,000 per annum
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