Senior BI Developer

About The Role

Contract type: Permanent, Full-time
Hours: Full-time, 35 hours
Location: Head Office, Nottingham (Hybrid working, minimum 2 days per week)
Salary: Up to £50,000 depending on experience.
Application process: Please apply via the application button which will direct you to our careers site. If you require any adjustments to assist you in applying, please contact

Join us on an exciting data transformation journey as we build a cutting-edge, greenfield Data Platform on Microsoft Fabric in Azure. This is your chance to shape the future of insight, innovation, and personalised experiences for our members.

As our Senior BI Developer, you'll lead the design and development of enterprise BI and analytics solutions using Microsoft Fabric and Power BI. You'll be the go to expert for Power BI, Fabric semantic models, Lakehouse integration, and analytics governance, creating scalable, high performing reporting ecosystems.

Bring your technical leadership and passion for best practice to mentor others and champion excellence across our BI and analytics community.

Key Responsibilities

• Create Powerful Dashboards: Build advanced Power BI dashboards and certified enterprise semantic models within Microsoft Fabric.
• Optimise Performance: Implement best-in-class optimisation techniques for composite models, incremental refresh, and Direct Lake for lightning fast analytics.
• Ensure Governance & Security: Apply endorsements, sensitivity labels, RLS/OLS, and deployment pipelines to maintain robust governance.
• Design Scalable Data Models: Develop and maintain Fabric Semantic Models integrated with Lakehouses, Warehouses, Dataflows Gen2, and Pipelines.
• Collaborate Across Teams: Work closely with Data Engineers and business stakeholders to deliver KPIs, metrics, and reporting requirements.
• Lead Platform Adoption: Champion Microsoft Fabric as the enterprise analytics platform and define standards, naming conventions, and governance frameworks.
• Mentor & Inspire: Guide BI developers and analysts in Power BI, DAX, and Fabric tools, conduct code reviews, and promote high development standards.
• Drive Innovation: Evangelise new Fabric capabilities, provide strategic BI advice, and translate complex business needs into scalable, reusable solutions.

About you

• Power BI Expert: Advanced skills in Power BI (desktop, service, DAX, M, modelling, Direct Lake) with a strong track record in enterprise reporting.
• Microsoft Fabric Pro: Deep knowledge of Fabric components-Lakehouse/Warehouse, Dataflows Gen2, Pipelines, Semantic Models, and Direct Lake datasets.
• Data & Governance Skills: Strong SQL, understanding of Medallion architecture, and experience with RLS/OLS, security, compliance, and governance tools like Microsoft Purview.
• Proven Experience: 5-8+ years in BI/analytics roles, including 3+ years advanced Power BI and hands on Fabric delivery.
• Collaborative Communicator: Skilled at working with stakeholders, defining KPIs, and creating intuitive dashboards with excellent UX.
• Mindset & Behaviours: Inclusive, curious, and quality driven; able to simplify complex topics and align decisions with member first values.
• Qualifications & Growth: Degree or equivalent experience, Microsoft certifications (DP 600, Power BI Data Analyst Associate, AZ 900, DP 900), and commitment to continuous learning.

Reward & Benefits

• Competitive Package: Fair salary benchmarked against market data, annual discretionary bonus, and 29 days holiday plus bank holidays.
• Health & Wellbeing: Access to Medicash healthcare, mental health first aiders, and a suite of wellbeing resources to support you inside and outside of work.
• Work Life Balance: 35 hour working week for full time roles, with flexibility to help you perform at your best.
• Career Growth: Ongoing personal and professional development, we'll support your ambitions and help you grow your potential.
• Inclusive Culture: Be part of a friendly, values led team that genuinely cares about doing the right thing for colleagues and customers.
• Giving Back: Use two paid volunteering days each year to support causes close to your heart, through our Samuel Fox Foundation.
• Sustainability Focus: Join a business committed to reducing its carbon footprint and making a positive impact on the environment.
• Free access to Octopus Money: Financial coaching & tools that help you plan, manage, and make the most of your money.

Embracing Diversity Together

We proudly embrace and celebrate diversity as a fundamental cornerstone of our values. We believe that a diverse and inclusive workplace is not just essential for our success but is also a reflection of the vibrant communities we serve. Our commitment to diversity extends beyond our internal culture to the way we approach advertising and engage with our customers.

Our commitment means actively working to eliminate barriers and biases that may hinder equal opportunities within our organisation. We strive to ensure that all individuals, regardless of background, have an equal chance to thrive and advance in their careers.

We acknowledge that diversity is not just a goal to be achieved but a continuous journey toward creating an environment that embraces differences and promotes equal opportunities for all. We are committed to fostering an inclusive culture that encourages collaboration, creativity, and a sense of belonging for every member of our community.

About Us

We are a mutual, which means we don't have shareholders. Instead, we're owned by our members and use our money to do good, investing in our community, responsible causes, and - well, you. So we're always striving to do the right thing for our team, communities and members.

Although our history spans over 170 years, our purpose of helping our members save, plan for and protect their financial futures is enduring. At The Nottingham Building Society, we are dedicated to overcoming obstacles and turning challenges into opportunities. At the heart of our mission is our unwavering commitment to breaking down barriers and building better futures by helping our customers achieve the significant milestone of owning their own home.