Spotfire Architect / Tech Lead

Spotfire Technical Lead/Hands-On Architect (Spotfire to Power BI Migration)

Location: Central London & Remote

Type: Contract

Spotfire Architect with strong data modelling skills to lead and support the migration of complex Spotfire reports to Power BI. The role requires deep technical expertise in Spotfire s visual and scripting frameworks, alongside the ability to reverse-engineer, redesign and optimize data models for scalable, high-performance reporting in Power BI. This role is critical to navigating functional parity, data transformation and performance alignment between platforms, working closely with business users, report owners and Power BI engineers

Experience

• Developed 20+ reports/dashboards in Spotfire
• 8+ years of experience in BI & analytics with at least 5 years in Spotfire (including architecture, scripting, and advanced configurations).
• Strong experience with data modelling for BI platforms; dimensional modelling, fact/dimension tables, normalisation/denormalisation.
• Hands-on expertise with IronPython scripting, custom expressions, data functions (TERR/Python/R) and Spotfire APIs.
• Working knowledge of Power BI report development and differences between Spotfire and Power BI capabilities.
• Proficient in SQL, data integration (flat files, APIs, databases), ETL logic interpretation.
• Understanding of functional and visual parity considerations between BI tools.
• Strong analytical, debugging, communication skills to interface with stakeholders and migration engineers.

The Role

• Act as the technical lead for Spotfire-to-Power BI migration, focusing on architecting and simplifying complex Spotfire dashboards.
• Reverse engineer Spotfire DXP files including data tables, custom expressions, R/TERR (TIBCO Enterprise Runtime for R) scripts, IronPython automation, document properties.
• Conduct detailed analysis of Spotfire markings, filters and visual structures to produce functional specification documents for migration.
• Define and redesign semantic data models (star/snowflake schemas) suitable for Power BI.
• Collaborate with data engineers and Power BI developers to align source data, dataflows and model transformations.
• Work with business stakeholders to define functional parity, consolidate multiple versions and recommend optimisations.
• Provide guidance on performance engineering approaches in Power BI, including model size reduction, incremental refresh, composite models, DirectQuery/Import trade-offs.
• Support UAT by validating that migrated Power BI reports meet original Spotfire intent and business KPIs.

Remote Working Some remote working

Country United Kingdom

Location Central London

Ref swx2491SF

Start asap

Duration 3-6 months initial, likely extension

Rate market rates

Applicants must be eligible to work in the specified location