Senior Data Analyst, OnTheMarket - London Job Description COSTAR GROUP – SENIOR DATA ANALYST, ONTHEMARKET – LONDON OVERVIEW CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate. In December 2023 CoStar Group purchased OnTheMarket (OTM) with the intention of developing this established brand into the UK's number 1 Residential Property portal. Supported by the deep expertise of the CoStar Group and our Homes and Apartments teams, we will develop a world class user experience through offering the very best written content, imagery, design and functionality. The OnTheMarket product will support home buyers, sellers, and agents better than ever Learn more about OnTheMarket . ROLE DESCRIPTION As a Senior Data Analyst at OnTheMarket, your role involves analyzing and interpreting data to provide actionable insights that drive business decisions and strategies within the real estate industry. RESPONSIBILITIES Analyze large datasets using statistical methods, SQL and data visualization tools (like Tableau, Power BI, ) to uncover trends, patterns, and insights within large datasets. Develop predictive models, clustering algorithms, and segmentation strategies to support business forecasting, customer profiling, and market segmentation initiatives. Translate complex data findings into actionable insights, strategic recommendations, and data-driven solutions for senior management, executives, and key stakeholders. Collaborate with business leaders to identify opportunities, address challenges, and drive data-driven decision-making processes across departments. Create sophisticated data visualizations, interactive dashboards, and executive-level reports using advanced BI tools (such as Tableau, Power BI, Looker) to communicate key metrics, KPIs, and performance indicators effectively. Automate reporting processes, develop data pipelines, and ensure data accuracy and consistency in reporting outputs. Establish data governance frameworks, data quality standards, and best practices to ensure data integrity, compliance with regulations, and alignment with organizational goals. Implement data validation procedures and data quality monitoring to maintain high-quality datasets. Collaborate closely with cross-functional teams including data engineers, IT professionals, business analysts, marketing managers and departmental heads to understand business requirements, data needs, and project objectives. Serve as a subject matter expert (SME) on data analytics, provide guidance, mentorship, and training to junior analysts, and contribute to team development initiatives. Stay updated with industry trends, emerging technologies, and best practices in data analytics, data science, and business intelligence. Identify opportunities for process improvements, automation, and innovation in data analytics workflows, tools, and methodologies to enhance efficiency and scalability. QUALIFICATIONS Bachelor’s degree or equivalent experience. Advanced degrees or certifications (e.g., Data Science certifications, MBA) are advantageous. Significant experience in data analysis, business intelligence, or data science roles with a proven track record of delivering actionable insights and driving data-driven strategies. Hands-on experience with data analytics tools/languages such as SQL, Python and advanced knowledge of statistical analysis and data visualization techniques. Proficiency in data visualization tools such as Tableau, Power BI, Looker or similar tools to create impactful dashboards, reports, and visualizations for diverse audiences. Experience with data manipulation, querying, and modeling using SQL databases (e.g., Redshift, PostgreSQL) and familiarity with big data technologies (e.g., Hadoop, Spark) is desirable. Proficiency in query performance tuning and analysis. Experience using Google Analytics creating custom Reports / extract information from GA4. Familiarity with Geospatial queries using PostGIS or similar technologies. Hands-on experience using CI/CD to deliver high quality deliverables and how to test them using automated testing. Familiarity with functional programming (Clojure) is advantageous. Strong analytical thinking, problem-solving skills, and ability to apply statistical methods, and data science techniques to solve complex business problems. Strategic mindset with the ability to translate data insights into actionable strategies, business recommendations, and measurable outcomes. Excellent communication skills (verbal and written) to communicate complex technical concepts, present findings, and influence decision-makers at all levels of the organization. Leadership qualities to mentor junior team members, lead data-driven initiatives, and collaborate effectively in cross-functional teams. Understanding of business operations, key performance indicators (KPIs), industry trends, and competitive landscapes to align data analytics initiatives with organizational goals and objectives. Ability to identify business opportunities, risks, and challenges through data analysis and provide strategic guidance for business growth and optimization. WHAT’S IN IT FOR YOU? Working at CoStar Group means you'll enjoy a culture of collaboration and innovation that attracts the best and brightest across a broad range of disciplines. As well as having an outstanding working environment based in iconic buildings the Shard and Blue Fin or one of our key UK-wide hubs. Other perks include full private medical cover, dental cover, Life Assurance and member rewards, 28 days annual leave, a competitive pension, season ticket loans, enhanced maternity and paternity pay and much more At CoStar, we recognise the positive value of diversity and promote equality. We aim at all times to recruit the person who is most suited to the job and welcome applications from people of all backgrounds – men and women, people of all ages, sexual orientations, nationalities, religions and beliefs. However, we particularly encourage applications from women, disabled and Black, Asian and Minority Ethnic (BAME) candidates, as these groups are underrepresented throughout the commercial real estate industry LI-AD1 CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing