Zillow

Senior Fullstack Engineer, Mortgage Fulfillment AI

Zillow
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2 days ago
Remote, United StatesSenior
H1B sponsor

Base Salary

$156k - $263k/yr

Responsibilities

  • Design and build multi-step AI agents that coordinate mortgage fulfillment workflows.
  • Build evaluation frameworks to measure agent reliability, accuracy, and task completion and use results to improve prompts, models, and fallbacks.
  • Architect and operate agent infrastructure including model serving, prompt pipelines, batching, queueing, and observability.
  • Build reliable integrations with Encompass, DocuTech, and other third-party platforms.
  • Own workstream architecture, surface technical tradeoffs, and drive end-to-end technical decisions.
  • Apply testing, measurement, observability, and incident-response best practices and mentor engineers through reviews and design discussions.

Requirements

  • Bachelor’s degree in computer science, computer engineering, or a related technical field, or an equivalent combination of education and experience.
  • 8+ years of professional software engineering experience building and operating scalable, reliable services in a modern cloud environment.
  • Production ownership of an AI or ML system from design through shipping, measurement, and iteration, with accountability for correctness, cost, and reliability.
  • Hands-on experience in at least two areas: evaluation pipelines and labeled data production, LLM or ML model serving and multi-step AI workflow orchestration, or reliable third-party and external API integrations.
  • Strong infrastructure expertise and AI fluency, including handling timeouts, race conditions, malformed payloads, and retry storms.
  • Ability to define correctness measures, build verification tooling, and use measurements to improve systems.
  • Comfort with ambiguity and the ability to develop expertise in specialized domains; mortgage experience is not required.

Benefits

  • Remote position with employees able to work from a physical location of their choice within the United States, with limited exceptions.
  • Eligible for equity awards based on experience, performance, and location.
  • Zillow provides an inclusive equal-opportunity workplace and accommodation support for applicants with disabilities or special needs.
Zillow

About Zillow

5,001-10,000 employees

Having a place to call your own changes everything. It’s where life happens, where stability grows and possibility begins. At Zillow, we’re transforming real estate so more people can take their next step with confidence and ease. We bring clarity to the process and progress to an industry ready for change, working alongside the people who make real estate work every day. With Cloud HQ, our distributed-first way of working, you can do meaningful work from wherever you work best. We’re always looking for smart, passionate people to help reimagine how people get home. Join us. https://www.zillow.com/careers/

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