Mobile Engineer III, iOS

· Remote

Location

Remote

Type

Full Time

Job Description

Mobile Engineer III iOS

Posted 12 Hours Ago
Be an Early Applicant
Seattle WA USA
Hybrid
146K-234K Annually
Senior level
AdTech • eCommerce • Information Technology • Travel • Generative AI
Powering global travel for everyone everywhere.
The Role
As a Mobile Engineer III iOS you'll design maintain and improve iOS applications collaborating with cross-functional teams and ensuring high reliability and performance.
Summary Generated by Built In

Expedia Group brands power global travel for everyone everywhere. We design cutting-edge tech to make travel smoother and more memorable and we create groundbreaking solutions for our partners. Our diverse vibrant and welcoming community is essential in driving our success.

Why Join Us?

To shape the future of travel people must come first. Guided by our Values and Leadership Agreements we foster an open culture where everyone belongs differences are celebrated and know that when one of us wins we all win.

We provide a full benefits package including exciting travel perks generous time-off parental leave a flexible work model (with some pretty cool offices) and career development resources all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.

Intro to the Team
Our Technology Team partners with teams across Expedia Group to create innovative products services and tools to deliver high‑quality experiences for travelers partners and our employees. A singular technology platform powered by data and machine learning provides secure differentiated and personalized experiences that drive loyalty and
traveler satisfaction.

As a Mobile Engineer III iOS working on Expedia’s critical production checkout applications your mission will be to ensure Expedia Checkout is always fast available scalable and engineered to withstand unparalleled demand. You will be in the thick of solving the [often unexpected] problems of systems at scale in a way most engineers never experience. You will have strong analytical and troubleshooting skills proficiency in coding and systems design solid interpersonal skills and a desire to tackle the complex problems of scale. You are a collaborative and creative individual and you thrive in a dynamic and agile environment. You adapt to new technologies and enjoy working on complex problems. Every day we at Expedia get to innovate on web applications that millions of travelers use to plan book and experience trips they will remember forever.
In This Role You Will:
  • Design build and maintain native iOS applications that are secure performant and resilient using modern iOS frameworks and best practices
  • Translate product and experience requirements into clear technical designs (LLD API design data models)
  • Collaborate cross‑functionally with backend product design and quality teams to deliver end‑to‑end customer journeys
  • Write clean testable and observable code; contribute to automated testing monitoring and code reviews
  • Diagnose and resolve complex production issues improving application reliability and performance
  • Safely integrate and operate AI/ML‑enabled solutions while maintaining privacy and security standards

Minimum Qualifications:
  • Bachelor’s degree in Computer Science Software Engineering or 5 years of equivalent practical experience
  • Professional experience shipping native iOS applications with ownership from design through production
  • Strong iOS architecture low‑level design API integration and data modeling experience
  • Proficiency with iOS tools frameworks testing observability and operational best practices
  • Experience collaborating in cross‑functional multi‑domain teams

Preferred Qualifications:
  • Experience designing and scaling complex iOS architectures (modularization performance offline support)
  • Proven delivery of high‑impact iOS features across multiple domains
  • Strong focus on operational excellence (instrumentation monitoring alerting incident resolution)
  • Experience integrating AI/ML‑enabled capabilities into mobile apps securely and responsibly
  • Familiarity with AI‑driven development tools and applying AI/ML concepts to improve product quality and developer efficiency

The total cash range for this position in Seattle is $146000.00 to $204500.00. Employees in this role have the potential to increase their pay up to $233500.00 which is the top of the range based on ongoing demonstrated and sustained performance in the role.

Starting pay for this role will vary based on multiple factors including location available budget and an individual’s knowledge skills and experience. Pay ranges may be modified in the future.

Expedia Group is proud to offer a wide range of benefits to support employees and their families including medical/dental/vision paid time off and an Employee Assistance Program. To fuel each employee’s passion for travel we offer a wellness & travel reimbursement travel discounts and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits.

Accommodation requests

If you need assistance with any part of the application or recruiting process due to a disability or other physical or mental health conditions please reach out to our Recruiting Accommodations Team through the Accommodation Request.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes TIME Disability:IN and others.

Expedia Group's family of brands includes: Brand Expedia® Hotels.com® Expedia® Partner Solutions Vrbo® trivago® Orbitz® Travelocity® Hotwire® Wotif® ebookers® CheapTickets® Expedia Group™ Media Solutions Expedia Local Expert® CarRentals.com™ and Expedia Cruises™. © 2024 Expedia Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race color religion gender gender identity or expression sexual orientation national origin genetics disability age or veteran status. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and if necessary the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.

Top Skills

Ai/Ml
Api Design
Data Modeling
iOS
Testing Frameworks
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The Company
HQ: Seattle WA
16000 Employees
Year Founded: 1996

What We Do

Expedia Group powers travel for everyone everywhere through our global platform. Driven by the core belief that travel is a force for good we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success while facilitating memorable experiences for travelers. Expedia Group's family of brands includes: Brand Expedia® Hotels.com® Expedia® Partner Solutions Vrbo® trivago® Orbitz® Travelocity® Hotwire® Wotif® ebookers® CheapTickets® Expedia Group™ Media Solutions Expedia Local Expert® CarRentals.com™ and Expedia Cruises™.

Why Work With Us

As travelers and technologists we are passionate about making travel more seamless accessible and memorable. We embrace different perspectives celebrate new ideas and empower every Expedian to drive meaningful change. The experiences we create bridge divides and broaden horizons – helping create unforgettable memories through travel.

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Date Posted

04/24/2026

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