Senior Data Analyst - Commercial

Relay is fundamentally reshaping how goods move in an online era. Backed by Europe’s largest-ever logistics Series A ($35M), led by deep-tech investors Plural (whose portfolio spans fusion energy and space exploration), Relay is scaling faster than 99.98% of venture-backed startups. We're assembling the most talent-dense team the logistics industry has ever seen Relay’s Mission is to free commerce from friction. Today, high delivery costs act as a hidden tax on e-commerce, quietly shaping what can be sold online and limiting who can participate. We envision a world where more goods move more freely between more people, making the online shopping experience seamless and accessible to everyone. THE TEAM • ~110 people, more than half in engineering, product and data • 45+ advanced degrees across computer science, mathematics and operations research • Thousands of data points captured, calculated, analysed and predicted for every single parcel we handle • An intellectually vibrant culture of first‑principles thinking, tight feedback loops and relentless experimentation The Opportunity Relay's commercial relationships depend on trust, and trust depends on transparency. Our clients need to know how their parcels are performing - whether they're arriving on time, where things go wrong, and what we're doing about it. As a Senior Data Analyst in the Commercial squad, you will provide the analytical foundation for Relay's client-facing operations. Working directly with the Chief Commercial Officer and the wider commercial team, you'll build and maintain reporting that keeps clients informed, investigate performance issues, and provide the data needed for evidence-based conversations with our clients. This is a reporting-heavy role covering dashboards, regular reporting packs, and ad-hoc analysis across the client portfolio. It also goes beyond producing numbers - understanding what's behind them is a key part of the work. When SLA performance dips or loss rates spike, this role involves finding out why and helping the business respond. Over time, you'll build a picture of how Relay's network performance translates into commercial outcomes - which clients are at risk, where service improvements would have the biggest commercial impact, and what the data says about where to focus. Relay operates a centralised data team of around 30 data engineers, analysts, and data scientists, with analysts embedded into squads across the business. You will sit in the Commercial squad with support from the centralised data team, which you'll report into. What You'll Do - Build and maintain dashboards and reporting packs that track SLA adherence, loss rates, delivery success, and other key metrics across the client portfolio - Investigate performance issues - when a client's numbers deteriorate, work with the relevant squads to identify the root cause and present findings to the commercial team - Provide insights and recommendations alongside data, so stakeholders can act on analysis without needing to interpret raw numbers - Respond to ad-hoc client queries with accurate, timely analysis - Work with the CCO and commercial team to prepare for client reviews, weekly business reviews, and escalations with data-driven narratives - Develop and refine metrics for client performance over time - what "good" looks like may differ by client, service type, or geography - Collaborate across squads (routing, sortation, first mile, last mile) to trace client-level issues back to operational root causes - Identify trends and patterns across the client base that highlight systemic issues or opportunities for improvement - Use your cross-client view to identify where operational improvements would have the most commercial impact - helping the commercial team prioritise which problems to solve and which conversations to have - Work with data engineering to ensure commercial data pipelines are reliable, timely, and fit for purpose What We're Looking For - Experience connec