Core AI Principal Scientist - Time Series

Core AI Principal Scientist - Time Series

Principal Applied Scientist – Time Series Forecasting

Company background Keystone.AI is a premier artificial intelligence, economics, and technology firm providing AI-driven services to large companies, law firms, and government agencies. The firm builds and deploys enterprise AI solutions at-scale that automate and optimize operational and commercial decision-making. We are all connected by one mission : bringing transformative ideas to life on behalf of our clients. Keystone’s Core AI group employs the world’s best AI / ML science and technology practitioners with unparalleled experience implementing highly complex, massive-scale algorithms and models to help companies make better decisions across manufacturing, supply chain management, sales, and marketing.

Position Overview

We are seeking a Principal Applied Scientist who will serve as a thought leader and drive the development of our foundational forecasting capabilities - Keystone’s flagship product for advanced time series forecasting and intelligent inventory management. Our team builds sophisticated forecasting solutions deployed across diverse industries, helping clients transform critical business processes, reduce waste, and modernize operations through data-driven insights and predictive modeling.

In this role, you will lead other scientists and ML engineers, shaping the design, development, and deployment of robust forecasting models leveraging fundamental economic and structural time series techniques. You will use your extensive experience in econometric modeling, statistical forecasting methods, and applied time series analysis to produce innovative, industry-leading solutions that optimize supply chain and operational workflows.

If you are passionate about pushing the boundaries of forecasting methods, mentoring high-performing teams, and collaborating closely with business and technical stakeholders to deliver practical, impactful solutions, we invite you to apply. While deep expertise in deep learning techniques is not required, familiarity or exposure to such methods for time series forecasting is a plus.

What You’ll Do

• Provide Thought Leadership : Steer the strategy and vision for Keystone.AI by championing rigorous and innovative approaches in econometric and structural time series forecasting, supply chain optimization, and inventory management.
• Lead & Mentor : Provide technical leadership and mentoring to a multidisciplinary team of data scientists, economists, and ML engineers, guiding model development, methodological best practices, and impactful project delivery.
• Develop Advanced Forecasting Models : Design and refine statistical, econometric, and structural forecasting methods to accurately predict demand, optimize inventory, and derive actionable insights from complex datasets across diverse industries.
• Collaborate Cross-Functionally : Partner closely with product managers, economists, deep learning scientists, software engineers, and ML engineers to create scalable, practical, and end-to-end forecasting solutions that address real business challenges.
• Drive Innovation : Continuously enhance Keystone’s foundational forecasting capabilities by exploring new methods, frameworks, and modeling approaches, ensuring our solutions remain cutting-edge and impactful.
• Champion Operational Excellence : Ensure forecasting models are robust, interpretable, efficient, and production-ready, accelerating the deployment of forecasting solutions into real-world applications.

This role is based in Bellevue, WA or NYC with a flexible and hybrid work environment.

Basic Qualifications

Preferred Qualifications

US Salary Range : $195,000 - $308,000, plus an annual discretionary bonus, 401k contribution, and competitive benefits package. Actual compensation within the range will depend upon the level the individual is hired at based on their skills, experience, and qualifications.

At Keystone we believe diversity matters. At every level of our firm, we seek to advance and promote diversity, foster an inclusive culture, and ensure our colleagues have a deep sense of respect and belonging. If you are interested in growing your career with colleagues from varied backgrounds and cultures, consider Keystone Strategy.

Don’t see an opening that fits your background?

New York City

64 Wooster Street

3rd Floor

New York, NY 10012

(212) 381-0712

Seattle

3120 139th Ave SE

Suite 500

Bellevue, WA 98005

London

26 Throgmorton Street

1st Floor

London, EC2N 2AN

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