Product Engineer

Product Engineer (Node.js / React / AdTech) – Contract (6+ Months, Extension Likely) Location: Remote (EU Time Zones)Contract Length: 6 months – strong potential for long-term extensionsStart: ASAPTech Stack: Node.js, React, APIs, Social/YouTube integrations, AdTech, Creator/UGC discoveryAbout the RoleWe're looking for a highly experienced Product Engineer to help build a next-generation AdTech platform , supporting categories such as beauty, lifestyle, UGC, and topic-based recommendations for a Euro Retail and Marketing powerhouse.This contract role sits inside a fast-moving, cross-functional product team building internal tools and white-labelled solutions used across wider business units.You'll be responsible for scoping, designing, and developing features end-to-end — from backend services to polished, user-friendly front-end experiences.This is a hands-on build role , perfect for an engineer with strong product instincts and experience delivering consumer-facing or AdTech-driven discovery systems.Key ResponsibilitiesProduct Engineering & Feature OwnershipBuild and evolve a creator discovery solution end-to-end using Node.js and ReactOwn product features from concept ? prototype ? implementation ? iterationWork closely with product managers, data teams, and internal partners to define requirementsRapidly test, validate, and iterate on user workflows and ranking experiencesAPI & Platform IntegrationsIntegrate with social-platform APIs (e.g., YouTube Data API , Instagram, TikTok, Pinterest)Develop services to ingest, enrich, and structure creator data (categories, topics, UGC signals, relevance scoring)Optimise ingestion and discovery pipelines for performance and scaleAdTech & Recommendation WorkBuild components that support advertising partners, sponsorship matching, and creator-brand fitImplement logic for topic/category classification, recommendation ranking, and metadata structuringWork on internal tools and white-label solutions used by cross-functional teamsBackend & Frontend EngineeringBuild scalable backend services in Node.js (REST, GraphQL, event-driven services)Develop polished UIs in React , ensuring high usability and clarity for internal teamsEnsure strong code quality, automated testing, and reliable CI/CDCollaboration & DeliveryPartner closely with engineering leads, PMs, data scientists, and marketing/AdTech teamsOperate in a rapid, iterative environment with short feedback loopsParticipate in architectural decisions and contribute to long-term platform directionSupport a healthy engineering culture focused on velocity, clarity, and product impactRequired Experience5+ years as a product-focused engineerStrong hands-on experience with Node.js and ReactExperience integrating with social media APIs (YouTube essential; Instagram/TikTok/Pinterest a plus)Experience in AdTech, marketing tech, creator platforms, or discovery/recommendation systemsExperience building internal tools, dashboards, or white-label solutionsStrong product mindset — comfortable owning features, making trade-offs, and shipping iterativelyAbility to translate ambiguous ideas into clear technical plansStrong communication, stakeholder alignment, and cross-functional collaborationNice to HaveExperience with video/content metadata (categories, beauty, topics, "lookalike" discovery)Understanding of ranking, scoring, or classification modelsBackground with UGC/creator ecosystems (YouTube creators, UGC workflows, performance marketing)Experience with event-driven microservices or data pipelinesGraphQL experienceExperience in high-scale consumer-facing platformsWhy This Role?High-impact greenfield projectCentral to the business' advertising & creator strategyAutonomy to shape the product and tech directionFlexible remote contract with extensions very likely