Principal Engineer - Supply Chain Planning

About this role

ABOUT QUINCE

Founded in 2018, Quince was built to challenge the idea that nice things have to cost a lot. Our mission is simple: to make really high quality essentials for really low prices, produced fairly and sustainably. We believe everyone deserves exceptional craftsmanship and timeless design without the traditional markups. Quince is a direct-to-consumer (DTC) model that cuts out middlemen and leverages just-in-time manufacturing to minimize waste and maximize value.

Quince is a tech company disrupting the retail industry by putting AI, analytics and automation at the center of everything we do. Our unwavering commitment to excellence and company values guide our teams and actions:

• Customer First : We prioritize customer satisfaction in every decision.

• High Quality : True quality means premium materials and rigorous production standards you can feel good about.

• Essential Design : We focus on timeless, functional essentials instead of chasing trends.

• Always a Better Deal : Innovation and transparency ensure value for both customers and partners.

• Social & Environmental Responsibility : We commit to sustainable materials, ethical production, and fair wages.

Quince partners with world-class manufacturers across the globe and serves millions of customers. With strong investor backing and a focus on sustainable growth, we are a company that is rapidly scaling while maintaining a commitment to quality, simplicity, and radical price transparency.

OUR TEAM AND SUCCESS

At Quince, you will be part of a high-performing team that is redefining what quality, value, and sustainability mean in modern retail. We are a destination for builders, innovators, and operators to come together and challenge the status quo. Our collective ambition is bold. We are creating an entirely new category and customer experience – one that democratizes luxury and provides high quality products at radically low prices. That mission demands a world-class team committed to excellence.

If you are motivated by impact, growth, and purpose, you will find a strong sense of belonging at Quince.

THE ROLE

Principal Engineer - Supply Chain Planning

Quince is building its own supply chain planning platform from scratch because the model we operate doesn’t fit anything off the shelf. Our supply chain runs factory-direct, at high frequency, with short lead times, across a growing number of vendors, fulfillment centers, and markets worldwide. The planning and forecasting layer that coordinates all of this is being rebuilt, and as Principal Engineer for Supply Chain Planning Tools, you will build it.

This role is about building the production systems that make data science real, specifically the platform infrastructure that takes forecasting models and optimization algorithms from development into the weekly cadence that runs the business. You’ll need to understand the science well enough to partner with the people who do it, translate it into reliable systems, and give operators the controls to work alongside it and override it when needed.

This is a 0-to-1 role. You won’t inherit a system, but a set of business workflows. You’ll design and build one, with a small and highly capable team, starting with demand forecasting and planning infrastructure and expanding into logistics and warehouse optimization.

The platform we'll build is AI-native by design. AI-augmented operator interfaces, LLM-aided observability, agentic workflows over planning data, and AI-assisted incident triage are first-class capabilities on the roadmap, not afterthoughts. The Principal Engineer will set the bar for both — how the team builds with AI, and how AI shows up in what we ship.

The ideal candidate is a seasoned production engineer who has spent meaningful time in the orbit of data science and ML, not as a practitioner, but as the person who makes it work in production. They have built model pipelines, experimentation frameworks, feature infrastructure, and operator tooling that bring algorithmic systems to life at scale. They can walk into a room with supply chain practitioners, understand their problems at a strategic level, and independently determine what to build. They don’t wait for a PM to translate, and they don’t wait for a large team to start executing.

They thrive in environments where strategy, innovation, and decision-making are intentionally distributed, where candor, speed, and data are highly valued, and colleagues at all levels hold each other to unusually high standards on behalf of Quince customers.

Responsibilities:

• AI native Platform Architecture & Build

• Architect and build Quince’s proprietary supply chain planning platform from the ground up to be multi-vendor, multi-modal, multi-market, and built to scale.

• Design and own the full model pipeline lifecycle, including feature engineering, forecasting tournament framework, evaluation, deployment, monitoring, and refresh, and the experimentation framework that lets scientists iterate safely in production.

• Build integrations with vendor management, order management, and inventory platforms so the planning system sits at the center of the weekly ordering cadence

• Set the standard for how the team builds with AI — coding assistants, AI-generated tests, AI-augmented data exploration — and hold the line on quality of AI-generated output through review rigor and refactoring.

• Architect AI-augmented capabilities directly into the platform: LLM-aided observability and root-cause analysis, natural-language operator interfaces over planning data, agentic workflows for routine planning tasks.

• Partner with the science team on the infrastructure that AI-driven models need, such as vector stores, prompt versioning, and evaluation harnesses for LLM-based components, so AI-driven science can run reliably in production alongside statistical and ML approaches.

• Operator Tooling

• Build the operator-facing layer that makes the platform usable: dashboard

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