Lead Data Engineer
“Lead the evolution of the next-generation data platform at Castle Trust Bank.”
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 our new Lead Data Engineer, you will own the evolution of our Azure-Databricks platform and SQL infrastructure, delivering scalable, reliable solutions that power the Bank’s strategic goals.
What you’ll lead and deliver:
As Lead Data Engineer, you’ll take ownership of our Azure-based data platform: shaping its roadmap, driving engineering excellence, and leading a team of data engineers to deliver scalable, secure, and high-performing solutions.
Working closely with business and technology stakeholders, you’ll translate strategic goals into robust data solutions that unlock insight and innovation across the Bank. Skilled at stakeholder management and prioritisation, you'll balance competing demands whilst ensuring clear plans and timely delivery.
You’ll take pride in delivering high-quality, reliable platforms using your core toolkits: SQL, Azure DevOps, and Azure Synapse. Experience with Azure Databricks would be beneficial. Improving platform resilience, incident response, and data governance will be central to your impact.
You’ll lead a team of data engineers driving a culture of technical excellence and innovation within the team. You’ll shape the platform roadmap, drive engineering excellence, and enable innovation across the organisation.
You have a passion for emerging technologies, whether it's natural language query tools, machine learning, or generative AI, and you're excited to champion innovations that deliver business value.
This is a hybrid role based in Basingstoke, with flexibility to work 2 days from home per week.
What you’ll bring:
You bring deep expertise in modern data platform architecture, a sharp eye for quality, and a passion for building resilient, high-impact solution. Analytical and business-focused, with a commitment to delivering high-quality, reliable solutions. You will need to be an effective communicator, able to engage confidently with technical and non-technical stakeholders.
In addition you will have:
Essential
- Proficiency in SQL and Python, with experience of Synapse/ADF and Azure DevOps.
- A strong background in data modelling, orchestration, and ELT development.
- Experience implementing data quality, observability, and monitoring frameworks.
- Familiarity with data governance, security, and compliance (e.g. GDPR)
- Hands-on experience with CI/CD, infrastructure as code, and automated testing
- Confidence working with stakeholders to align data solutions with business needs.
Desirable
- Experience with Azure Databricks, Unity Catalog and database administration.
- Relevant industry certifications such as Azure Data Engineer Associate or equivalent.
- Experience mentoring engineers or enabling data capability across teams.
- Exposure to Power BI or other visualisation tools.
- Interest in machine learning or generative AI.
- Experience with ITIL-aligned change management.
- A background in regulated or financial services environments.
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