Senior Staff Software Engineer, Mobile

ServiceTitan

Lead technical vision for ServiceTitan's iOS mobile applications as a Senior Staff Engineer. Shape architectural standards and drive technical leadership across the organization in the mobile domain.

Posted 7/21/2026full-timeRemote • California, Connecticut, District of Columbia, Maryland, Massachusetts, New Jersey, New York, Virginia, Washington • 🇺🇸 United StatesSenior💰 $218,300 - $327,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expert-level mastery of Swift and extensive experience in iOS mobile application development, with a strong focus on architecture, performance optimization, and integration of advanced frameworks like GraphQL and The Composable Architecture. Proven ability to lead cross-functional teams and mentor engineers while driving strategic technical investments and ensuring high standards of code quality and architectural integrity.

Highest-signal resume keywords

Expert-Level Mastery Of SwiftMobile Application DevelopmentGraphQL IntegrationThe Composable Architecture (TCA)Technical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IOS DevelopmentSwift ProgrammingGraphQLArchitecture DesignPerformance OptimizationModular Design PatternsData Access PatternsAI-Assisted Development StrategyCode Quality StandardsTesting Philosophy

Soft Skills

Exceptional Communication SkillsLeadership Without AuthorityMentoringTechnical JudgmentCollaboration

Tools & Technologies

ClaudeGitHub CopilotCursorWindsurf

Certifications & Qualifications

Bachelor's Degree In Computer Science

Industry Keywords

Mobile DevelopmentTechnical VisionCross-Functional CollaborationPlatform LongevityScalable Integrations

Tech Stack

Tools & technologies

GraphQLiOSSwift

About the role

Key responsibilities & impact

Define and own the multi-year technical vision for ServiceTitan's iOS platform—establishing architecture principles, engineering standards, and platform frameworks that are adopted company-wide and set the standard for mobile development at scale.
Lead the design of next-generation mobile frameworks and foundational systems that serve tens of thousands of field technicians daily, with an uncompromising focus on platform longevity, extensibility, and resilience.
Partner at the executive and VP level across product, design, data, and backend to shape long-range roadmaps and ensure iOS capabilities are a strategic driver of business outcomes.
Serve as the definitive technical authority for iOS across the entire organization—establishing alignment across multiple engineering orgs, resolving the most complex cross-functional ambiguities, and owning the highest-stakes architectural decisions.
Identify and drive strategic technical investments: evaluate emerging Apple frameworks, platform capabilities, and industry trends to ensure ServiceTitan maintains a durable competitive advantage on mobile.
Architect elegant, scalable integrations with backend services via GraphQL, establishing patterns for data access and API design that scale with the platform.
Champion and evolve ServiceTitan's use of The Composable Architecture (TCA)—driving shared state management, performance optimization, and modular design patterns across the iOS engineering community.
Define the AI-assisted development strategy for iOS engineering—establishing how tools like Claude, GitHub Copilot, Cursor, and Windsurf are integrated into engineering workflows to compound developer productivity at scale.
Grow and inspire the next generation of staff and senior engineers—serving as a technical role model, thought partner, and mentor across the iOS org and beyond.
Set and hold the engineering bar: code quality, performance standards, testing philosophy, and architectural integrity. Your influence shapes what 'great' looks like for all of iOS engineering.

Requirements

What you’ll need

Bachelor's degree in Computer Science or a related field—or equivalent practical experience at scale.
12+ years of mobile application development experience, with deep specialization in iOS and a proven track record at the most senior levels of engineering.
Expert-level mastery of Swift, with the ability to reason deeply about language internals, performance, and idiomatic design.
A distinguished history of defining and delivering architecture for large-scale mobile platforms—setting direction across multiple teams and sustaining platform health over multi-year horizons.
Strong hands-on experience with GraphQL and the ability to define data access patterns that scale across a complex mobile platform.
Deep command of TCA, including advanced shared state patterns, performance optimization, and modular decomposition at scale.
Exceptional ability to lead without authority—shaping the technical direction of the organization through credibility, clarity, and deep engineering judgment.
Outstanding written and verbal communication skills, with a demonstrated ability to articulate complex technical trade-offs to both engineering and non-engineering audiences.

Benefits

Comp & perks

Flextime, recognition, and support for autonomous work: Flexible time off with ample learning and development opportunities to continue growing your career. We offer a comprehensive onboarding program, leadership training for Titans at all levels, and other programs and events.
Great work is rewarded through Bonusly, peer-nominated awards, and more.
Holistic health and wellness benefits: Company-paid medical, dental, and vision (with 100% employer paid options and 90% coverage for dependents), FSA and HSA, 401k match, and telehealth options including memberships to One Medical.
Support for Titans at all stages of life: Parental leave and support, up to $20k in fertility services (i.e. IUI and IVF), surrogacy, and adoption reimbursement, on demand maternity support through Maven Maternity, free breast milk shipping through Maven Milk, pet insurance, legal advisory services, financial planning tools, and more.