Senior Data Analyst - Customer Success

Senior Data Analyst Contract | Inside IR35 | £350/day | 10 Months Hybrid – London (3 days onsite / 2 remote) Start: January 2026 Our client is a global SaaS technology company within the FinTech sector, operating across multiple international markets and delivering digital products at scale. They are seeking a Senior Data Analyst to play a pivotal role in shaping data-led decision-making across customer experience, service delivery, and digital platforms. This is a highly visible contract position for a business-driven analytics leader who can turn complex, fragmented datasets into clear, actionable insights that influence strategy and deliver measurable improvements at scale. The Role As a Senior Data Analyst, you will sit at the intersection of data, business strategy, and execution, partnering closely with Service Delivery, Digital Experience, Product, and Engineering teams. You’ll help define what “good” looks like, uncover performance gaps, and guide teams toward smarter, faster, and more cost-effective decisions that improve customer outcomes globally. You’ll be equally comfortable deep in the data and presenting executive-ready narratives that drive alignment and action. Key Responsibilities • Translate complex, multi-source data into clear insights that inform strategy and improve customer and digital experiences across international markets. • Partner cross-functionally with Service Delivery, Product, Digital Experience, and Engineering teams to influence high-impact decisions. • Identify root causes of performance issues, uncover inefficiencies, and recommend actions that reduce cost-to-serve while improving customer outcomes. • Design, build, and evolve scalable measurement frameworks, KPIs, and dashboards that balance global consistency with local and regulatory nuances. • Deliver compelling, executive-level storytelling, framing insights in simple, actionable narratives that accelerate decision-making. • Support experimentation and continuous improvement by evaluating impact, measuring outcomes, and scaling successful initiatives globally. • Contribute to the development of robust data foundations, enabling automation, experimentation, and advanced analytics. What We’re Looking For • Proven experience as a Senior Data Analyst (or equivalent) within a SaaS, FinTech, or technology-led environment. • Strong commercial and operational acumen, with the ability to link data insights to real business levers. • Advanced SQL skills and strong experience with BI and data visualisation tools. • Experience working with large, complex datasets and modern data platforms. • Solid understanding of statistical methods and analytical best practices. • Python and/or AI capability is strongly preferred, particularly for automation, experimentation, or advanced analytics use cases. • Exceptional communication skills, with the ability to influence senior stakeholders through clear, concise storytelling. • Comfortable operating in fast-paced, cross-functional, and international environments. Why This Contract • Join a globally recognised FinTech SaaS organisation at a critical point of growth and transformation. • High-impact role with visibility across multiple senior teams and markets. • Opportunity to shape how data drives customer experience and digital performance at scale. • Competitive day rate and flexible hybrid working model.