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Manage evening (PM) training operations: lead onboarding and trainer meetings, audit trainer delivery and SOP adherence, coach trainers, track new-hire progress and cross-training, maintain Google Sheets dashboards and reporting, identify training gaps, and support curriculum and change management to ensure consistent training quality and compliance.

Design, build, and own Quince's end-to-end ML platform (training, serving, feature pipelines, monitoring). Create developer-facing MLOps tooling, select core components, optimize GPU and cloud costs, ensure scalable, reliable production deployments, lead RCAs, and mentor engineering teams to raise platform and operational standards.

Provide brand-aligned customer support across chat, email, phone, and social channels; own interactions end-to-end; resolve issues empathetically; use service platforms and AI-assisted tools; surface recurring friction and product feedback; become a product expert; meet response time, accuracy, and productivity targets.

Build and productionize end-to-end machine learning models, automated bidding and allocation algorithms, and data pipelines to optimize performance marketing spend. Manage ad platform integrations and bidding automation, automate creative/design workflows, solve loosely defined optimization problems, and collaborate cross-functionally with marketing, product, and leadership.

Lead end-to-end supply chain planning science: own forecasting tournaments, inventory placement optimization, vendor performance systems, and raw-material signals. Define methodology, production models, and iteration loops; drive AI-native workflows (LLM-aided EDA, agentic feature engineering), partner with planning operators and engineering, and mentor junior scientists to raise methodological standards and deliver measurable business impact.

Lead end-to-end supply chain planning and forecasting modeling: demand forecasting across geographies, forecasting tournaments, inventory placement optimization, vendor performance modeling, and raw-material signal generation. Collaborate with leadership and engineering to productionize models and apply AI-native techniques (LLM-aided EDA, agentic feature engineering, AI-augmented experimentation).

Lead sourcing for sweater categories: identify, vet, pitch, onboard and scale vendors; manage supplier performance and compliance; optimize pricing, costs and replenishment; build contingency plans and cross-functional collaboration to improve quality, speed, and margins.

Provide high-quality, empathetic customer support across phone, chat, email, and social channels. Own interactions end-to-end, resolve issues, use tools efficiently, share insights to improve service, and become a product expert. Hybrid role based in Madrid with mandatory initial onsite training.

Provide end-to-end customer support across phone, chat, email, and social channels; resolve issues empathetically; use support tools efficiently; surface recurring issues and insights to improve service; become a product expert. Hybrid role based in Barcelona with mandatory first 3-week onsite training.

The Senior Engineering Manager will architect MLOps infrastructure, drive strategic prioritization, manage compute costs, and oversee the ML lifecycle for Quince's AI initiatives.