We’re seeking a highly motivated Solutions Architect (Programmatic and Privacy) to play a pivotal role in driving the sales cycle for Epsilon’s product portfolio. This is a technical client-facing role within the Customer Solutions team, supporting scalable digital solutions across paid, earned, and owned channels. Your mission is to drive growth by guiding clients through seamless integrations, onboarding, and long-term adoption of our platform. Youll use your expertise in system architecture and data strategy to align solutions with client tech stacks, becoming both a trusted advisor to clients and a champion of innovation within Epsilon. This is a hybrid role based in our London office. (3 days per week) What You’ll Achieve • Lead technology strategy, system integrations, and implementation across digital advertising and marketing platforms. • Assess client architectures, define future-state visions, and align them with business goals and technical realities. • Oversee onboarding and integration, advising on system design, data flows, and platform compatibility. • Ensure technical scalability and product-market fit in go-to-market strategies. • Clearly communicate platform capabilities and value to varied audiences, tailoring based on client needs. • Collaborate cross-functionally with Product, Engineering, Sales, and external stakeholders to develop and deliver solutions. • Build strong relationships with client decision-makers to influence long-term technical strategy. • Understand client goals and guide them toward sustainable, high-impact technical solutions. • Promote platform adoption by identifying opportunities from client use cases and market feedback; channel insights back to product teams. • Manage project execution, ensuring on-time delivery and successful outcomes through coordination of internal resources. • Stay informed on industry trends, regulatory changes, and new technologies to guide both clients and internal teams. Who You Are • What you’ll bring with you: o 5 years in technical solutions, systems architecture, or ad tech engineering, with client-facing experience. o Deep knowledge of the digital advertising ecosystem: RTB/programmatic, retail media, identity, and measurement. o Proficiency in web technologies (HTML, CSS, JavaScript), tag managers, and tracking methods (client/server-side). o Strong API skills (REST, Postman) and experience troubleshooting integration workflows. o Familiarity with data formats (CSV, TSV, XML, JSON) used in ad tech and e-commerce. o Experience with SQL and data platforms like BigQuery for analysis and troubleshooting. o Understanding of event tracking for impressions, clicks, and conversions via APIs or tags. o Working knowledge of cloud platforms (GCP preferred; AWS/Azure a plus). o Ability to explain complex concepts to technical and non-technical audiences; excellent communication skills. o Proven success in fast-paced, cross-functional environments. • Why you might stand out from other talent: o Experience with RMNs, agencies, publishers, or MarTech platforms. o Knowledge of data clean rooms, privacy regulations (GDPR/CCPA), and identity resolution. o Familiarity with ad tagging and tag management systems. o Contributions to technical documentation or client-facing integration tools.