“Shape the future of data at a bank that sees data as its greatest asset.”

At Castle Trust Bank we pride ourselves in being a fintech challenger bank, providing specialist property mortgages, retail finance lending and savings accounts to a variety of customers.

We’re investing in the people and technologies that turn data into our biggest advantage.

As a Data Engineer, you’ll build and optimise our Azure-based data platform, helping us deliver scalable, reliable solutions that power strategic decision‑making across the Bank.

What you’ll deliver:

Reporting to the Lead Data Engineer, you’ll collaborate across the Data Team and wider business to build high-quality data pipelines and models that enable trusted insight and innovation.

Building production‑grade data pipelines is one of your core strengths. You’ll use Azure Databricks and Azure DevOps to develop, test, and maintain reliable ELT workflows, to ensure accurate, accessible, and trusted data across the organisation.

You're curious about new technologies, whether it's orchestration tools, data quality frameworks, or AI data pipelines, and you're excited to contribute ideas that drive innovation across the Bank.

This is a hybrid role based in Basingstoke, with flexibility to work 2 days from home per week.

What you’ll bring:

You’re a hands-on engineer with a sharp eye for detail, a passion for clean data, and a drive to turn complexity into clarity. With high attention to detail and a commitment to delivering high-quality outcomes, you will also be a strong communicator and able to work effectively with technical and non-technical stakeholders. You will also need to have the below experience:

Essential

• Proficient in Databricks, SQL, Python and Azure Synapse.
• Strong grasp of data modelling (e.g., Kimball).
• Familiarity with CI/CD practices for data pipelines (e.g., Azure DevOps)
• Experience applying data quality and validation techniques.

Desirable

• Relevant industry certifications such as Databricks, Azure Data Engineer Associate.
• Degree or equivalent practical experience in computer science or data engineering.
• Exposure to Power BI or other visualisation tools.
• Interest in machine learning or generative AI tools and techniques.
• A background in regulated or financial services environments.

We value continuous personal development and will support you with opportunities to build your skills, gain certifications, and grow your career..

Why join Castle Trust Bank?

• Competitive salary
• Performance bonus (based on individual and company performance)
• Generous contributory pension through Hargreaves Lansdown
• Life Assurance
• 25 days’ holiday + option to buy/sell 5 days
• Additional paid volunteering day
• Private healthcare through Equipsme (includes cash back for Dental and Optical treatment)
• Free access to BHSF Rise EAP to support colleague health and wellbeing
• Gym discounts
• Season ticket travel loans (if applicable)
• Hybrid working (3 days in Basingstoke)
• A supportive, inclusive culture where your work has real impact

Caught your attention? If so, we’d love to talk to you and tell you more about what it’s like to work at Castle Trust Bank – The Place To Work!

Castle Trust Bank is an equal opportunity employer where we celebrate diversity and are committed to creating an inclusive environment for all our colleagues to thrive. We welcome applications from all and will not discriminate against any status/characteristic protected by law and will always base our decisions on merit.

We are proud to support people with disabilities and are committed to be a Disability Confident employer. If you are a person with a disability and meet the minimum criteria for the role you will be offered an interview. Should you require any reasonable adjustment to support you in your application for one of our opportunities, please contact talent@castletrust.co.uk

https://www.castletrust.co.uk/careers/who-we-are