Senior Power BI Developer
Senior Power BI Developer Power BI, Microsoft Fabric, Advanced DAX, Data Modelling, BI Strategy UK South East, Home Counties (Hybrid / Remote) Role: Senior Power BI Developer / Lead Power BI Developer Key skills: Power BI, Microsoft Fabric, Advanced DAX, Data Modelling, BI Strategy Location: UK (Hybrid / Remote) Type: Permanent, Full-Time Salary: £65,000 – £85,000 + Bonus + Benefits Overview: @mecscomms is recruiting for a Senior Power BI Developer / Lead Power BI Developer to take ownership of enterprise-level business intelligence and data visualisation solutions. This is a strategic and hands-on role, focused on delivering scalable, high-performance reporting using Power BI, Microsoft Fabric and modern data architecture principles, while driving self-service BI adoption and shaping the organisation’s BI strategy. You will work across complex datasets, transforming raw data into actionable insight through advanced data modelling, data storytelling and stakeholder engagement. Purpose: Lead the design and delivery of high-performance Power BI solutions, driving best practice in data modelling, performance tuning and BI governance, while enabling stakeholders to access trusted, self-service insight. Technology Stack: Power BI (Desktop & Service) Paginated Reports (Power BI Report Builder) Microsoft Fabric / Azure Data Platform SQL (Advanced querying, optimisation) DAX (Data Analysis Expressions) Power Query (M Language) Data Modelling (Star Schema, Semantic Models) ETL / Data Pipelines Excel APIs & Data Integration Keywords: Power BI Developer, Senior BI Developer, Data Analyst, Data Visualisation, Microsoft Fabric, SQL Developer, Business Intelligence, Data Analytics, Dashboard Developer, Reporting Analyst, Insight Analyst, Data Modelling, DAX, Power Query Core Activity: Develop, maintain and enhance BI reports and dashboards Translate business briefs into effective reporting and insight solutions Work closely with stakeholders to understand requirements and optimise outputs Drive stakeholder adoption and self-serve use of data and BI tools Provide accurate, timely and commercially relevant analysis Contribute to Agile squad delivery and continuous improvement Coach and mentor less experienced colleagues Champion best practice in reporting, insight generation and data usage Responsibilities: Develop and optimise Power BI dashboards and BI reports, delivering clear, actionable insight Translate business requirements into scalable solutions using data modelling and Advanced DAX Partner with stakeholders to shape requirements, challenge briefs and maximise business value Deliver high-quality outputs at pace using Agile methodologies and continuous improvement Simplify complex data into compelling data storytelling for commercial decision-making Drive self-service BI adoption and promote effective use of Power BI across the business Ensure best practice in performance tuning, report optimisation and data governance (RLS) Act as a trusted insight advisor, identifying opportunities to enhance BI strategy and data architecture Build ETL solutions using Power Query, Dataflows and Datamarts Mentor and coach team members, contributing to a BI Center of Excellence Deliverables: Enterprise-level Power BI dashboards High-performance semantic data models Automated reporting frameworks Self-service BI environments Strategic insight presentations for senior stakeholders Working Environment: Agile, data-driven organisation Cross-functional collaboration across commercial, digital and technology teams High visibility and impact at senior stakeholder level Strong focus on innovation, scalability and continuous improvement Candidate Profile: Candidates should possess similar firsthand experience in within Lead Power BI Developer role. You will be technically strong, commercially aware & combine deep Power BI expertise with strategic thinking and leadership capability. Your skillset & experience is likely to include some of the following: Essential: Senior Power BI Developer / Lead Power BI Developer Advanced DAX (CALCULATE, SUMX, time intelligence) Strong data modelling (including star schema design) Power BI Service (workspaces, apps, gateway management) Performance tuning and report optimisation Row-Level Security (RLS) and data governance SQL Server / T-SQL capability Power Query (M Language) and ETL processes Strong stakeholder engagement and data storytelling skills Desirable: Microsoft Fabric and Direct Lake Mode Azure Synapse analytics environments Building Dataflows and Datamarts Development of Paginated Reports Shaping BI strategy and data architecture Working within or establishing a Center of Excellence (CoE) Driving self-service BI adoption at scale Key Traits: Strategic thinker with strong BI and data architecture mindset Excellent stakeholder management and communication skills Passionate about data storytelling and insight delivery Highly analytical with strong problem-solving capability Proactive, innovative and delivery-focused @mecscomms: uniting opportunity with ambition in Telecoms | Media | Technology @mecscomms is the brand name of MECS Communications Ltd who provide permanent & contract recruitment consultancy service as an Employment Agency & Employment Business. For more information or a list of current vacancies, please see our web site at mecscomms.co.uk