Client Integrations Engineer

As a Client Integration Engineer you will design and deliver technical solutions to help clients achieve digital marketing objectives. You’ll own integration projects, manage technical client relationships, and drive automation and cross-team collaboration. Your role blends web tech, analytics, and solutions architecture to scale client success on the Epsilon platform. This position offers hybrid work in London and a meaningful opportunity to influence large-scale marketing integrations.

• hybrid working
• competitive compensation
• great benefits package
• opportunities for career advancement
• inclusive and diverse workforce

• Develop scripts, maintain database tables, and process data feeds for new client initiatives
• Design, develop, implement and test technical solutions for client integrations
• Conceptualize integration strategies for large-scale clients and support existing clients
• Identify enhancement opportunities through automation and knowledge sharing
• Collaborate with cross-functional teams globally (engineering, analytics, account management, product, sales)
• Oversee troubleshooting and drive issue resolution

• 3+ years in a similar digital role
• Strong knowledge of digital ad tagging, tracking scripts, and measurement
• Experience with DSPs; familiarity with Ad Servers, SSPs, CDPs, and DMPs
• Proven troubleshooting of discrepancies in impression, click, and conversion data
• Experience with UTM parameters, URL structures, and query strings
• Familiar with programmatic buying and RTB mechanics
• Understanding of brand safety, viewability, and fraud detection technologies
• Advanced coding in JavaScript, SQL, HTML
• Excellent verbal and written communication; able to tailor communication
• Experience in a solutions architect/engineer or relevant technical role in AdTech

• problem-solving mindset
• analytical thinking
• organization and time management
• JavaScript
• SQL
• HTML