Castle Trust Bank Tech Stack

Digital-first mortgage and savings bank with modern data infrastructure

Banking London 201–500 employees Founded 2012 Public Company

Castle Trust Bank operates a low-cost banking model focused on mortgages, savings, and alternative lending. The tech stack reveals a data-driven organization—Power BI, SQL, Python, and Azure Synapse form the analytics backbone, with active adoption of Databricks and Unity Catalog signaling a shift toward unified data platforms. Current hiring focuses heavily on data (3 roles) and product (2 roles), underpinned by nine active projects centered on savings propositions, FP&A automation, and data governance—suggesting the bank is prioritizing product modernization and operational efficiency over pure growth.

Tech Stack 13 technologies

Core StackPower BI Jira Trello Python Azure DevOps Databricks Microsoft Office Excel SQL Azure Synapse DAX

AdoptingDatabricks Unity Catalog

What Castle Trust Bank Is Building

◆Challenges

Data governance
Fraud detection
Credit decision speed
Improving savings product pricing
Enhancing savings product performance
Balancing business needs with customer interests
Ensuring compliance with consumer duty
Continuous improvement in fp&a systems
Automation of fp&a reporting
Delivering high‑impact change

▲Active Projects

New savings propositions development
Fp&a systems automation
Scenario modelling and investment appraisal
Next-generation data platform
Azure-databricks platform evolution
Sql infrastructure
High-quality reporting solutions
Data governance improvement
Data model design

Hiring Activity

Accelerating9 roles · 9 in 30d

Department

Data

Product

Finance

Ops

Sales

Support

Seniority

Mid

Lead

Senior

Manager

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About Castle Trust Bank

Castle Trust Bank is a UK-based lender and savings provider founded in 2012, operating as a public company with 201–500 employees based in London. The bank targets two distinct customer segments: savings customers seeking FSCS-protected deposits, and mortgage borrowers—particularly buy-to-let investors and those with non-traditional income structures—who struggle with conventional lending criteria. The business model emphasizes minimal operational overhead and flexible underwriting. Core offerings include mortgages, buy-to-let lending, bridging finance, development loans, savings accounts, and consumer finance through the Omni Capital point-of-sale platform.

HeadquartersLondon

Company Size201–500 employees

Founded2012

Hiring MarketsUnited Kingdom

Frequently Asked Questions

What tech stack does Castle Trust Bank use?

Power BI, Microsoft Office, Excel, Jira, Trello, SQL, Python, Azure DevOps, Azure Synapse, and Databricks. The bank is actively adopting Databricks and Unity Catalog as part of a next-generation data platform initiative.

What is Castle Trust Bank working on?

Priority projects include new savings propositions, FP&A systems automation, scenario modelling, a next-generation data platform, Azure-Databricks evolution, SQL infrastructure, data governance improvement, and enhanced reporting solutions.