Senior Data EngineerData EngineerABOUT USWeare amulti-award-winning team ofover 100engineers, designers, and analysts based inLeicester, with development hubs inUkraine and Spain. Wespecialise inbespoke software development, extended teams/staff augmentation, and support asaservice.OUR CLIENTOur partner isEurope’s leading platform for buying and selling books, CDs, movies, games, and fashion.The company fosters success bybringing together ateam ofprofessionals with diverse backgrounds who collaborate tobring bold ideas tolife and find innovative solutions.Weare looking for a Data Engineer tojoin the Evolved Ideas team.AsSenior Data Engineer, you will own one ofour most business-critical data assets: the system that links customer identities across our businesses and powers better decisions inmarketing, CRM, reporting, and analytics. You will join our Business Intelligence &Data Engineering team and work closely with Data Engineers and Business Analysts tobuild reliable, scalable, and trustworthy customer identity data.Your missionOwn the end-to-end pipeline that creates the unified customer_uuid across Books &Media and FashionMaintain and evolve our customer identity master data with astrong focus onaccuracy, reliability, and production qualityImprove our probabilistic identity resolution model and make matching decisions measurable, transparent, and explainableBuild scalable and cost-efficient data pipelines across BigQuery, GCS, and Cloud Run JobsIntroduce diagnostics, monitoring,



and structured validation for every relevant model changeIdentify and resolve edge cases incustomer matching logic before they become production issuesWork closely with business and technical stakeholders toturn complex matching challenges into robust data solutionsOur Tech StackBigQuerySQLPythonAirflowSplinkGoogle Cloud StorageCloud Run JobsPub/SubYour profileMust-Have:5+years ofexperience inproduction data engineeringStrong experience with BigQuery and advanced SQL inlarge-scale analytical environmentsStrong Python skills for production-grade data engineeringSolid Airflow experience and astrong understanding ofreliable orchestration patternsHands-on experience with incremental pipelines and idempotent data processingExperience with probabilistic record linkage orentity resolution inproductionStrong understanding ofdata quality, matching logic, and precision/recall trade-offsAcareful, structured, and ownership-driven way ofworkingStrong communication skills and the ability toexplain technical decisions clearlyEnglish Level required: B2 - Independent users of the language, i.E. those who have the necessary fluency to communicate without effort with native speakers.We are based in the Canary Islands, Spain. To apply for this vacancy you must have the right to work in Spain (NIE andSS.SS.) The role can only be performed remotely within Spain. We are unable to hire candidates who require relocation or visa support.Nice-To-Have:Experience with Splink and probabilistic record linkage toolsExperience with Cloud Run Jobs, GCS, and event-driven patterns inGCPExperience with Pub/Sub asasource indata pipelinesFamiliarity with data format trade-offs such asParquet, AvroExperience with dbtExposure todownstreamBI use casesExperience ine-commerce ormarketplace environmentsYOU CAN LOOK FORWARDTOContributing toahigh scale, complex product and seeing the real-time impact ofyour workFlexible and hybridworkingPrivate MedicalHealthcare insuranceTraining budgetExtra holidaysChallenging tasks and professional development, knowledge &best practice sharing#J-18808-Ljbffr

📌 Senior Data Engineer Experienced Professional It Canary Islands + 1 07/08/2026 New (Madrid)
🏢 Evolve Consultants
📍 Madrid