--- title: 'Senior Data Scientist at Quantum' canonical: 'https://feeny.ai/job/senior-data-scientist-quantum-london-g6zqw5y3wgmg' type: 'job' last_seen: '2026-10-16' --- # Senior Data Scientist at Quantum - **Company:** Quantum - **Location:** London, United Kingdom - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-09-30 - **Last confirmed live:** 2026-10-16 - **Apply:** https://jobs.ashbyhq.com/quantum/e4b976c0-ed05-4272-b9cc-85b8aaf36a4b ## Job description Our Company At Quantum, we connect global brands with high-intent consumers. We turn intent into action and complexity into clarity. Our Mission is clear, to help smarter, faster buying decisions. Our vision, to be the world’s most used digital comparison service, delivering value and simplicity to millions. We drive growth through data-driven affiliate marketing built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale. With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high-growth sectors. We’ve helped ambitious brands grow faster, smarter, and globally. ## The Role Our Business Analytics team is growing! We’re looking for a Senior Data Scientist to join our team in London. In this role you will own the models that drive our forecasting and strategy, from the data infrastructure behind them to the experiments that prove them out, turning statistical and machine learning work into reporting the business actually acts on. ## Key Responsibilities - Own the infrastructure and outcomes of our models, building algorithms and pipelines to merge, manage and interrogate data for tailored reporting - Design and run experiments to test hypotheses and sharpen how we forecast - Select, build and evaluate the most appropriate statistical and machine learning models for each problem - Turn model output into clear, decision-ready reporting that shows how customers and clients interact with our business - Raise the modelling bar across the analytics team, challenging and working alongside AI rather than deferring to it ## About You - Several years building and shipping statistical and machine learning models in production, ideally in a commercial or performance-driven setting - Fluent in Python and SQL, and comfortable owning model infrastructure end to end - Strong on experiment design and model selection, and honest about how to evaluate what actually works - Able to translate complex modelling into clear reporting that non-technical stakeholders can act on - You challenge AI rather than lean on it, using it to move faster without losing rigour - You thrive when working as part of a team - Comfortable in a fast-paced environment - Have excellent written and verbal English skills - Last but not least, you’ll have no ego! ## What You’ll Get - Private Health Care (Bupa) - Hybrid Working (3 days in office) - Travel Insurance - Competitive Base Salary - Company Bonus Scheme - Paid for AI Subscription (Claude / ChatGPT / Gemini) - Market-Leading Training Programme - Recognition & Reward Scheme - Annual Company Conference - Regular Happy Hours & Team Lunches - Free Coffee, Drinks & Snacks What’s the next step? Our hiring process ensures we're recruiting the right people for the role. We ensure that people are as suitable for us as we are for them. If you like the sound of what we're all about at Quantum and want to join a team where you can make an impact, please apply or contact us at careers@quantum.media. ## About Quantum ## Company Overview - **One-liner**: Quantum connects global brands with high-intent consumers through data-driven affiliate marketing, optimizing campaigns for performance and scalability. - **Entity Type**: Private (Bootstrapped) - **Headquarters**: London, England, United Kingdom - **Founded**: 2014 - **Founders**: Not publicly available ## Core Business - **Primary industry**: Affiliate marketing, digital performance marketing, comparison services - **Target customers**: B2B (global brands in regulated and high-growth sectors), B2C (high-intent consumers) - **Mission statement**: "To connect global brands with consumers, helping them make smarter and faster buying decisions." ## Products & Services - **Data-Driven Affiliate Marketing**: Full-service affiliate campaigns with in-house tech, real-time optimization, and compliance-first approach. - **Paid Advertising**: Targeted ads across search engines and social media to reach users actively seeking engaging experiences. - **CRM Managed Promotions**: Personalized CRM strategies to nurture player/consumer relationships and maximize loyalty. - **Data Intelligence**: Analysis of consumer behavior and campaign performance to refine marketing strategies. - **Acquisition & Engagement/Retention**: Multi-channel marketing to acquire and retain high-intent users. ## Market Standing - **Valuation/Market Cap**: Not disclosed - **Key Metric**: 60+ employees (81 per Built In, 86 per LeadIQ); 100+ active partnerships; 10+ years in business - **Notable Investors/Partners**: Not publicly available (no funding rounds disclosed) - **Growth Signals**: Recent rebrand/relaunch ("The Evolution"), launch of a graduate scheme with nine new hires, continuous hiring across data, marketing, product, and engineering teams. ## Competitive Advantages - **In-house technology stack** with full-stack analytics and proprietary platforms for campaign management. - **Compliance-first mindset** enabling operation in regulated sectors (e.g., gambling, financial services). - **Data-driven performance model** that measures, optimizes, and scales campaigns in real time. - **Deep industry insight** and 10+ years of experience in affiliate marketing. ## Strategic Focus - Scaling the technology platform and expanding the engineering team (e.g., hiring Senior Full Stack Engineer). - Strengthening the brand via a comprehensive rebrand and relaunch ("Welcome To The Evolution"). - Growing the graduate programme and investing in talent development. - Expanding into new high-growth sectors and geographies. ## Why Work Here - **Hybrid work model**: 3 days in-office (Tuesday–Thursday) at The Screenworks in Islington, London; flexible remote on remaining days. - **Benefits**: Competitive salary, company bonus scheme, private healthcare (Bupa), market-leading training programme, paid AI subscriptions (Claude/ChatGPT/Gemini), annual company conference, regular happy hours & team lunches, parental leave, recognition & reward scheme. - **Culture**: Values-driven (Build Together, Go All In, Be Brave, Push the Limits, Embrace Change); emphasis on diversity, equity, and inclusion; flat hierarchy with shared ownership; high-performance environment with collaboration and continuous learning. - **Engineering culture**: Growing tech team, modern stack, focus on building and scaling a platform for global reach. ## Sources 1. [quantum.media](https://www.quantum.media/) 2. [quantum.media/careers](https://www.quantum.media/careers) 3. [builtin.com](https://builtin.com/company/quantum-quantummedia) 4. [builtin.com (job posting)](https://builtin.com/job/senior-full-stack-engineer/8706456) 5. [leadiq.com](https://leadiq.com/c/quantum/615dc1d0990e636b3e5fba13/employee-directory) ## Other roles at Quantum - [Partnerships Manager](https://feeny.ai/job/partnerships-manager-quantum-london-jbn662rcv3ja) — London, United Kingdom - [Technical CRM Specialist](https://feeny.ai/job/technical-crm-specialist-quantum-london-pxsf10g3v1xq) — London, United Kingdom - [Graduate Business Analyst](https://feeny.ai/job/graduate-business-analyst-quantum-london-kvz6ck3qdbjq) — London, United Kingdom - [Junior Commercial Insights Analyst](https://feeny.ai/job/junior-commercial-insights-analyst-quantum-london-3yj1s30y69q0) — London, United Kingdom - [Graduate Commercial Insights Analyst](https://feeny.ai/job/graduate-commercial-insights-analyst-quantum-london-fqxawayftnxk) — London, United Kingdom - [Graduate Data Engineer](https://feeny.ai/job/graduate-data-engineer-quantum-london-31akckh9kfyh) — London, United Kingdom - [Head of Data Engineering](https://feeny.ai/job/head-of-data-engineering-quantum-london-vgtq2b2jeqch) — London, United Kingdom - [Data Architect](https://feeny.ai/job/data-architect-quantum-london-vds4gbzsdes4) — London, United Kingdom - [Data Engineer](https://feeny.ai/job/data-engineer-quantum-london-3fdd7460r2zx) — London, United Kingdom - [Lead Platform Engineer](https://feeny.ai/job/lead-platform-engineer-quantum-london-g8fy5ws13kan) — London, United Kingdom