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Zillow

Senior Fullstack Engineer, Mortgage Fulfillment AI

Zillow

. Design and build multi-step AI agents for mortgage Fulfillment workflows .

Posted 10/20/2026full-timeRemote • United StatesSenior💰 $156,200 - $262,600 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and building multi-step AI agents and evaluation frameworks, with a strong focus on reliability, accuracy, and integration with third-party platforms. Proven ability to mentor engineers and establish best practices in a cloud environment.

Highest-signal resume keywords
AI Agent DesignEvaluation FrameworksModel ServingCloud InfrastructureThird-Party Integrations

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Software EngineeringAI System OwnershipEvaluation PipelinesML Model OrchestrationReliability FeaturesMeasurement ToolingIdempotencyRetriesGraceful DegradationStructured Logging
Soft Skills
MentoringCollaborationComfort With AmbiguityLearning Specialized Domains
Tools & Technologies
EncompassDocuTechCloud EnvironmentObservability ToolsPrompt Pipelines
Industry Keywords
Mortgage FulfillmentAI WorkflowsTask CompletionIncident ResponseEngineering Best Practices

Tech Stack

Tools & technologies
Cloud

About the role

Key responsibilities & impact
  • Design and build multi-step AI agents for mortgage Fulfillment workflows
  • Build evaluation frameworks measuring agent reliability, accuracy, and task completion
  • Improve prompts, models, and fallbacks using evaluation signals
  • Architect and operate agent infrastructure including model serving, prompt pipelines, batching, queueing, and observability
  • Build reliability features including idempotency, retries, graceful degradation, and structured logging
  • Integrate with Encompass, DocuTech, and other third-party platforms
  • Collaborate with Encompass administrators, Fulfillment operations, and Platform engineering partners
  • Establish engineering best practices for testing, measurement, observability, and incident response
  • Mentor engineers through code reviews and design discussions
  • Own workstream architecture, surface tradeoffs, and drive technical decisions

Requirements

What you’ll need
  • 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
  • Experience building and operating scalable, reliable services in a modern cloud environment
  • Experience owning an AI or ML system in production end to end
  • Hands-on experience in at least two of: designing and running evaluation pipelines; operating LLM or ML model serving and orchestrating multi-step AI workflows; building reliable third-party platform and external API integrations
  • Strong infrastructure and AI knowledge
  • Experience defining correctness measures and building measurement tooling
  • Comfort with ambiguity and ability to learn specialized domains quickly
  • Mortgage experience is not required
  • Equivalent combination of education and experience accepted

Benefits

Comp & perks
  • Equity awards
  • Remote work from a physical location of choice
  • Flexible distributed work through Cloud HQ
  • Accommodation support for disabilities or special needs