Senior SQL Server Engineer

Company: Harnham
Apply for the Senior SQL Server Engineer
Location: London
Job Description:

Senior BI Engineer (Fixed-Term Contract) Fully Remote, UK£65,000 pro rata, 8-month FTC

This is an opportunity to take ownership of a modern BI and analytics environment within a globally scaled, data-driven organisation. You will play a key role in shaping how data is modelled, visualised, and consumed across the business, with direct exposure to senior stakeholders and meaningful impact from day one.

They are a technology-led organisation operating at global scale, enabling businesses to make better decisions through high-quality data and insights. Data sits at the core of everything they do, supporting commercial strategy, product development, and performance measurement. With a strong culture of collaboration and innovation, they invest heavily in their data platform and analytical capability.

Design, build, and maintain scalable data models and automated ETL or ELT pipelines within a cloud data warehouse environment. Lead the development of executive-level dashboards and self-serve reporting solutions that balance clarity with analytical depth. Establish best practices around data governance, documentation, and quality to ensure a trusted single source of truth. Optimise SQL queries and BI assets to deliver high-performing, low-latency analytics at scale. Provide technical guidance through code reviews and mentorship, raising standards across data modelling and visualisation.

Strong commercial experience in BI engineering, analytics engineering, or data engineering within a modern data stack. Advanced SQL capability, including complex transformations, window functions, and performance optimisation. Proven experience working with cloud data warehouses such as Databricks, Snowflake, or BigQuery. Hands-on expertise with enterprise BI platforms, such as Power BI, Looker or Omni….

Posted: May 28th, 2026