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Principal Applied Scientist

Research ScientistResearch ScientistFull TimeRemoteLeadTeam 1,001-5,000Since 2012H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

2 days ago

Salary

$238.4K - $330.2K / year

Seniority

Lead

Postgraduate Degree8 yrs expEnglish

Job Description

Principal Applied Scientist

Upstart

• Define the technical vision for how offer decisioning systems should interconnect across partnerships, always-on systems, and marketplace optimization • Build and guide conversion modeling approaches that optimize decisions across multiple stages of the customer journey rather than in isolated local steps • Ensure models and decision policies at one stage account for downstream impacts, business constraints, and later-stage optimization opportunities • Design interfaces between decision systems and optimization or constraint-specification components • Drive cross-functional technical alignment across teams that currently own adjacent pieces of the problem • Scope and lead large, ambiguous initiatives that require both deep modeling judgment and strong systems thinking • Partner with scientists, engineers, and cross-functional stakeholders to translate analytical insights into durable production approaches • Help ensure ongoing work across domains progresses toward a unified architecture and decisioning strategy • Contribute directly to implementation and experimentation efforts, including prototyping models, reviewing code, and helping teams operationalize new approaches in production environments.

Job Requirements

  • Advanced degree in a quantitative field such as statistics, mathematics, economics, computer science, operations research, or a related discipline
  • 8+ years of experience building and deploying machine learning models into production at scale
  • Experience with optimization, operations research, or constrained decision-making problems
  • Working knowledge of causal inference or causal machine learning
  • Strong grounding in statistics and probability
  • Experience leading large cross-functional technical initiatives with multiple stakeholders
  • Experience working across multiple technical teams to align approaches, define interfaces, and move toward a shared vision
  • Experience solving real-world machine learning or data science problems in a high-impact production environment

Benefits

  • Competitive compensation, including base pay, bonus opportunities, and annual equity grants that vest quarterly
  • Retirement benefits to help you plan for the future, including a 401(k) or Group Retirement Savings Plan with a company match of $2 for every $1 contributed, up to $15,000 annually (USD in the US, CAD in Canada)
  • Employee Stock Purchase Plan (ESPP) with discounted stock purchase options for eligible employees (US only)
  • Comprehensive health coverage designed to support you and your family, including medical, dental, vision, and wellness resources for US and supplemental health coverage for Canada.
  • Health Savings Account contributions from Upstart for eligible plans (US only)
  • Income protection benefits, including life insurance and disability coverage for added financial security
  • Paid time off, sick leave, and company holidays, in line with local requirements
  • Paid family and parental leave to support caregiving and major life moments (duration varies by country)
  • Family-centered benefits to support fertility, parenthood, and caregiving needs
  • Employee Assistance Program (EAP) offering mental health support and life-centered resources
  • Financial wellness resources, including access to financial planning tools and a financial concierge service (US Only)
  • Annual wellness allowance to support your physical and emotional well-being and personal development, based on what matters most to you
  • Annual productivity allowance to invest in relevant tools and resources you need to do your best work, no matter where you work from
  • Connection and community through team events, all-company updates, and employee resource groups (ERGs)
  • Onsite perks, including catered lunches and fully stocked micro-kitchens when working from one of our offices in the Bay Area, Austin, Columbus, and New York City (opening Summer 2026!)

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