Marketing Technology Engineer (BCN)

Who We Are WPP Enterprise Solutions designs, builds, and operates the growth systems that competitive businesses rely on. In a world where Al is reshaping how companies drive growth, we lead clients in business transformation and marketing modernization, connecting strategy directly to execution. Our 12,000 experts in engineering and platforms, commerce, consulting, content transformation, CRM, and CX work within a unified global operating unit across 40+ markets. WPP Enterprise Solutions works alongside best-in-class partners including Adobe, AWS, Braze, Google, Microsoft, Salesforce, and Shopify, as well as innovators in AI, to deliver growth solutions tailored to the needs of our clients’ businesses. VML, part of WPP, supports WPP Enterprise Solutions by helping brands activate transformation through creativity and experience. Working in MarTech with WPP Enterprise Solutions WPP Enterprise Solutions is a full-service digital agency helping ambitious brands deliver connected, personalised experiences across digital channels. Our expertise spans Marketing, Commerce, CRM, PXM and CX, enabling us to deliver end-to-end solutions with measurable impact. Our clients include Bayer, MSD, Dyson, Johnson & Johnson, RTL, Nestlé, Tommy Hilfiger, Calvin Klein and other global brands. Our teams are based in Amsterdam, Barcelona, London, Poland and India, with access to the wider WPP network worldwide. The Opportunity You'll help design and build MarTech solutions across Salesforce Marketing Cloud, Data Cloud and the wider Salesforce platform, working collaboratively across the wider team. Depending on the client, you may work across platforms such as Braze, Klaviyo, Bloomreach and Adobe, together with data and cloud technologies including Snowflake, Databricks, BigQuery, Tealium, Segment, AWS, Azure and GCP. What You'll Do 1. Design the solution and data • You help shape the data model and integrations, then build, test and support reliable production code with the wider team. • Most of our depth sits in Salesforce Marketing Cloud, but the architecture rarely stops at one platform. • Relational schemas, keys, retention, extract and ingestion strategies. • Identity resolution across fragmented sources. 2. Build the integrations • REST, SOAP, webhooks, batch or event-driven - you help select the right pattern, implement it and ensure failures recover safely. • Work at the warehouse and CDP layer, not just the activation platform at the end of it. 3. Build maintainable solutions • Build with AMPScript, SSJS, Apex, LWC, Liquid, Jinja or general-purpose code, depending on the platform and problem. • Queries and automation logic driving segmentation and journeys at volume. • Improve the team’s versioning, review and deployment practices where they add value. • Decisions documented so they outlast your engagement. 4. Translate for the client • Shape ambiguous requirements into something buildable and present the solution yourself. What You Bring 1. Software Engineering • Production experience with Node.js, Python, Java, PHP or .NET. • You write maintainable, tested and idempotent code with effective error handling and logging. 2. Data Engineering and Architecture • Strong SQL against large datasets - not just reads, but the queries that drive segmentation and automation. • You understand customer identity resolution across fragmented sources, including deterministic and probabilistic matching, survivorship and profile consolidation. 3. Integration and Delivery • Delivered a production integration using REST, SOAP or webhooks. • Understands batch and event-driven patterns, rate limits, retries, failure recovery and duplicate prevention. • Hands-on version control in a team setting - branching, pull requests, peer review. 4. Front-end Development • Comfortable building and debugging rendered output with HTML, CSS and JavaScript. 5. Marketing Platform Delivery • Hands-on delivery on an enterprise marketing or CRM platform - Salesforce, Braze, Klaviyo, Bloomreach, Adobe or equivalent. • Built audience segmentation and multi-step customer journeys against a live data source. • Worked directly with marketing stakeholders on requirements, not only via a ticket queue. Bonus experience • Additional Marketing Automation Experience: Salesforce Personalization, Pardot or Marketing Cloud Next; Adobe Campaign, Journey Optimizer or Marketo Engage; or HubSpot. • Core CRM Platforms: Salesforce Sales, Service, Experience, Commerce or Industry Clouds. • CDP Platforms: Data Cloud, Tealium, Segment or equivalent. • Platform Development: AMPScript, SSJS, Apex, LWC, Liquid, Jinja. • Data Engineering and Architecture: ETL / ELT, batch and streaming pipelines, data governance, big data. • APIs & Integration: GraphQL. • Front-end Development: React, Angular, Vue. • DevOps: CI/CD, SFMC DevTools, Salesforce CLI, Copado, Gearset. • Email Development: Responsive email build, including cross-client and dark mode testing. • Email Deliverability: Sending reputation and authentication - SPF, DKIM, DMARC, dedicated IP warming. How You Work 1.Stay hands-on across the delivery lifecycle • This is a hands-on developer role. You help design and build solutions using platform languages, SQL and the appropriate integration technologies. • You also review, audit, migrate and improve inherited solutions. • You build solutions that are bulk-safe, observable and tested, with error handling and logging included from the start. • You name things properly, you leave comments where the platform forced an ugly decision, and you don't hand over a black box. 2. Platform-pragmatic • You work the constraint rather than resenting it. Enterprise marketing platforms often won't let you build the elegant solution, and you find the one that holds. • You know when a platform's native tooling is enough and when the problem belongs in real code. 3. Design, document and deliver responsibly • You consider the