Staff Software Engineer, Expansion Experiences

Gusto

. Design, build, and test customer-facing experiences across recommendations, nurture campaigns, booking flows, and plan upgrade/retention experiences .

Posted 10/16/2026full-timeSan Francisco • California • United StatesLead💰 $199,000 - $247,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building scalable customer-facing solutions, with a strong focus on metrics-driven product development and mentoring engineering teams. Proficient in leveraging AI tools to enhance development processes and deliver impactful results.

Highest-signal resume keywords

8+ Years Of Software Development ExperienceExperience With Ruby On RailsExperience With ReactExperience With GraphQLExperience With TypeScript

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend API DesignData Model DevelopmentA/B TestingScalable Solution BuildingMulti-Quarter Project OwnershipCode DocumentationPerformance OptimizationReliability EngineeringTest-Driven DevelopmentCustomer Journey Mapping

Soft Skills

Mentoring EngineersEffective CommunicationCollaboration

Tools & Technologies

AI ToolsDevelopment Frameworks

Industry Keywords

Customer ExperienceProduct ManagementGrowth EngineeringLifecycle ManagementConversion Optimization

Tech Stack

Tools & technologies

GraphQLReactRubyRuby on RailsTypeScript

About the role

Key responsibilities & impact

Design, build, and test customer-facing experiences across recommendations, nurture campaigns, booking flows, and plan upgrade/retention experiences
Run A/B tests and phased rollouts to validate impacts on conversion, adoption, or retention
Design and build reliable backend APIs and data models supporting personalization, recommendations, and multi-step customer journeys
Mentor engineers and raise standards for technical execution, product quality, and responsible AI use
Collaborate with Product Management, Design, Data, and Platform Engineering teams
Prototype, iterate, and launch solutions based on customer pain points

Requirements

What you’ll need

8+ years of software development experience
Product-minded engineering approach focused on customer problems and meaningful metrics
Experience building scalable solutions, ideally in growth, lifecycle, or conversion-focused contexts
Experience owning multi-quarter projects solving complex engineering problems with measurable customer impact at scale
Ability to design and interpret experiments and work with ambiguous or evolving requirements
Ability to mentor engineers
Experience with large-scale refactors, performance and reliability issues
Experience leveraging AI tools or systems to accelerate development, improve testing, and deliver product capabilities
Experience in, or interest in working with, Ruby on Rails, React, GraphQL, and TypeScript
Ability to build well-structured, maintainable, well-documented code
Ability to effectively communicate across engineering teams and with business stakeholders
Appreciation for a collaborative, test-driven environment
Regular and predictable attendance
Travel to Gusto's office for onboarding is required

Benefits

Comp & perks

Competitive base pay
Health insurance
401(k)
HR support/services
Equity (RSUs)
Paid onboarding travel to Gusto's office is implied as a role requirement, not a benefit
Secure, reliable, and consistent internet connection required when working outside a Gusto office