Staff Data Scientist

RentSpree•Seattle, WA

179d•Hybrid

About The Position

Join the Data department at RentSpree as a Staff Data Scientist! You will play a key role in developing, evaluating, and fine-tuning cutting-edge machine learning and large language models (LLMs), collaborating closely with product, analytics, and engineering teams to create impactful AI-powered features and internal tools. This position offers a unique opportunity to work collaboratively with cross-functional teams located in Thailand and the US, helping transform advanced AI models into scalable, production-ready applications. If you’re excited to work on challenging projects that leverage rich datasets and LLM technologies—and you’re passionate about applying AI research in high-impact business scenarios—we want you! Take the lead and bring your proactive, builder mindset to RentSpree. This role is based in Seattle with 2 days per week in-office.

Requirements

Bachelor’s or Master’s degree in computer science, data science, machine learning, or a related quantitative field.
6+ years in applied ML, NLP, or AI engineering, with demonstrated experience in shipping production AI/ML features.
Expert proficiency in Python modern ML/LLM frameworks (PyTorch, Hugging Face, LangChain, LlamaIndex), and strong SQL/data pipeline skills.
Proven hands-on experience fine-tuning LLMs, building RAG pipelines, and creating agentic AI workflows (e.g., multi-step reasoning, autonomous agents, internal AI copilots).
Experience defining and running LLM evaluation frameworks and integrating human feedback loops.
Strong communication skills to bridge technical and non-technical teams, with the ability to influence AI product direction.

Nice To Haves

SaaS or proptech domain experience is a plus, especially with real estate transaction, tenant screening, or property management data.

Responsibilities

Strategic AI Alignment: Collaborate with Product, Engineering, and Data leaders to define and refine RentSpree’s ML/LLM strategy, ensuring alignment with business priorities, roadmap milestones, and measurable success criteria.
AI Use Case Translation: Partner with analytics teams to turn business challenges into well-defined, testable LLM/ML use cases, accelerating time-to-production for AI solutions.
Mentorship & Skill Uplift: Coach data scientists, analysts, and engineers in LLM concepts, evaluation design, RAG patterns, and applied AI/ML best practices.
Full AI Lifecycle Ownership: Design, fine-tune, evaluate, and deploy ML/LLM models for both product-facing features and internal AI assistants, with a focus on scalability, safety, and maintainability.
Agentic AI Infrastructure: Architect and implement workflows for agentic AI systems — including multi-agent coordination, tool integration, memory management, and retrieval-augmented generation (RAG) — enabling autonomous and semi-autonomous AI-powered decisioning.

Benefits

Equity Options: Share in the value we’re creating—your work makes a real impact.
Team-First Culture: Join a group of talented, supportive teammates who inspire each other to do their best work and celebrate every win.
Learning & Development: Ongoing support for your growth through resources, coaching, and career development opportunities.
Health Coverage: Comprehensive employee + dependent medical, dental, and vision insurance, as well as HSA/FSA options. Plus, enjoy additional health perks like access to Headspace Care+, gym membership discounts, and much more — because your well-being matters, inside and out.
Plan for your future: Life, disability, and Simple IRA retirement plan with company match to support your future.
Flexible Vacation Policy: We trust you to take the time you need to rest and recharge.
Holidays: Enjoy 12 holidays throughout the year, as a part of our commitment to honoring culture, history, and time to recharge.
Events: We make time to connect and celebrate through reimbursable weekly team lunches, game nights, events, and more, both in-person and remotely.
Recognition Programs: Team members can recognize their peers with Sprees, which are redeemable for gift cards and/or donations to an organization of your choice, or nominate a colleague for a S.P.R.E.E. Award to spotlight above-and-beyond contributions, which may be rewarded with a spot bonus. Our Work Anniversary Program also honors employee milestones with personalized tokens of appreciation!
Business Expense Allowance & Internet Reimbursement: Get the tools and support you need to do your best work.
Parental Leave & Fertility Support: Inclusive benefits to support you and your family, wherever you are in life.
Legal & tax benefits: We offer group legal benefits and tax support through RocketLawyer.
Seattle HQ: If you’ll be working from our Seattle office, you’ll receive a company-sponsored Orca card to cover the cost of public transportation to and from the office!