Mobile Engineer Jobs in California
Mobile Engineer jobs in California are among the most active in the country, with demand concentrated in consumer apps, fintech, and enterprise software across the full seniority range from junior developer to staff engineer. The largest hiring volumes are in the San Francisco Bay Area, Los Angeles, and San Diego, where companies like Apple, Google, and Salesforce maintain deep mobile engineering teams. Specialties in iOS development, Android development, and cross-platform frameworks such as React Native and Flutter see the most consistent demand. Find a role that fits below and apply directly.
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About EarnIn
As one of the first pioneers of earned wage access, our passion at EarnIn is building products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck. Our community members access their earnings as they earn them, with options to spend, save, and grow their money without mandatory fees, interest rates, or credit checks.
We're fortunate to have an incredibly experienced leadership team, combined with world-class funding partners like A16Z, Matrix Partners, DST, Ribbit Capital, and a very healthy core business with a tremendous runway. We're growing fast and are excited to continue bringing world-class talent onboard to help shape the next chapter of our growth journey.
Position Summary
The mobile engineering team's job is to develop new features and support our best-in-class iOS and Android applications. We work closely with the product, server engineering, design, marketing, and customer support teams to create new product experiences for our customers. Our goal is to provide our customers with a seamless mobile experience that makes it easy to access their money. Engineers joining the mobile team must have a solid focus on user experience and an understanding of mobile-specific issues, ranging from network usage to battery life. The mobile engineering team is the most customer-facing group and has a significant impact on the customer's impression of our company.
The Mountain View base salary range for this full-time position is $228,000-$279,000, plus equity and benefits. Our salary ranges are determined by role, level, and location. This is a hybrid position in Mountain View that requires in-office work 2 days a week.
- Collaborate with the product and design team to develop innovative user experiences and features.
- Design and implement new APIs with our server engineering team to communicate with the mobile applications.
- Develop a scalable mobile architecture that enables the organization to remain agile as it expands.
- Drive decisions on the strategies and methodologies used in mobile app development and testing at EarnIn.
- Create Unit and Automation (user interface) Tests to ensure the new code does not break existing features and works as specified by the product requirements.
- Create and monitor analytics to demonstrate the effectiveness of new and existing features in assisting customers.
- Drive cross-platform ownership of feature development, ensuring fungibility across teams to maintain a consistent user experience.
- Lead prototype-first and spec-driven development initiatives, partnering closely with PMs and EMs to define technical specifications and build early-stage prototypes.
WHAT WE'RE LOOKING FOR
- Bachelor's (or higher, e.g., MS, or PhD) in Computer Science or a related technical field involving coding or equivalent technical experience
- 4+ years of industry experience with deep ownership and expertise in building, shipping, and maintaining Android applications at scale
- Fluency in Kotlin, with a strong grasp of reactive & functional paradigms (Coroutines/Flow, RxJava)
- Proven experience with modern Android app architectures (MVVM, MVI, MVP, Clean Architecture) and Jetpack components
- Deep understanding of Android UI frameworks, including XML layouts and Jetpack Compose
- Hands-on knowledge of software engineering best practices across the full SDLC: coding standards, code reviews, Git workflows, CI/CD pipelines, automated testing, and mobile release operations
- Familiarity with identity verification, authentication, and authorization protocols
- Deep expertise in Android development, with a strong commitment to cross-platform ownership and familiarity with other frontend platforms (e.g., iOS, web or Kotlin Multi-Platform) to facilitate seamless feature parity and fungibility.
- Experience in AI-integrated mobile development, including leveraging AI tools for spec-driven development and prototyping.
- Strong ability to collaborate with Product Managers and Engineering Managers early in the development lifecycle to define technical specifications and build functional prototypes.
- Experience using AI-assisted development tools (e.g., GitHub Copilot, Cursor, ChatGPT, or similar tools) as part of your software development workflow
LI-Hybrid
At EarnIn, we believe that the best way to build a financial system that works for everyday people is by hiring a team that represents our diverse community. Our team is diverse not only in background and experience but also in perspective. We celebrate our diversity and strive to create a culture of belonging. EarnIn does not unlawfully discriminate based on race, color, religion, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, legally protected medical condition, family care status, military or veteran status, marital status, registered domestic partner status, sexual orientation, genetic information, or any other basis protected by local, state, or federal laws. EarnIn is an E-Verify participant.
EarnIn does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or HR team.
See All 363+ Mobile Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Mobile Engineer JobsMobile Engineer Jobs by City in California
Where California roles are concentrated, by current openings.
Mobile Engineer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
- Apple73

- Amazon28

- Google25

- Speechify13

- Walmart9

Top Industries Hiring
- Technology & Software128
- Electronics & Hardware61
- Banking & Financial Services37
- Retail27
- Consulting & Professional Services17
What California Employers Look For
The qualifications that appear most often in mobile engineer jobs across California.
- Proficiency in Swift or Kotlin with published apps in the App Store or Google Play
- Bachelor's degree in computer science, software engineering, or a related technical field
- Experience building and shipping native iOS or Android applications in a professional setting
- Familiarity with RESTful APIs, JSON, and integrating third-party SDKs into mobile applications
- Knowledge of mobile UI and UX principles, accessibility standards, and responsive design patterns
- Experience with version control using Git and agile or scrum development workflows
Mobile Engineer Jobs in California: Frequently Asked Questions
How do you become a mobile engineer in California?
Mobile engineering in California has no state-issued license or board registration requirement, so the path runs through education and demonstrated work. Most California employers expect at minimum a bachelor's degree in computer science or software engineering, though candidates who have built and shipped real apps sometimes move in from coding bootcamps or self-directed study. A portfolio of published iOS or Android applications carries significant weight with California hiring teams.
Which companies hire mobile engineers in California?
Employers hiring mobile engineers in California right now include Apple, Amazon, and Google, based on current listings on Migrate Mate as of June 2026. California's concentration of consumer technology, streaming media, and enterprise software companies means mobile engineering roles appear across both large platform businesses and well-funded startups throughout the Bay Area and Los Angeles.
Which California cities have the most mobile engineer jobs?
San Francisco, Cupertino, and San Jose account for the greatest share of mobile engineer openings in California. The Bay Area leads because of its density of consumer technology and enterprise software headquarters, while Los Angeles reflects growth in streaming, entertainment tech, and fintech, and San Diego draws from its established base of wireless technology and defense-adjacent software companies.
Are there remote mobile engineer jobs in California?
Yes, and more than most fields. About 26% of mobile engineer openings tied to California are remote or hybrid as of June 2026, reflecting how much of the work involves writing and reviewing code rather than on-site hardware or facilities. Front-end development tasks, code review, and sprint planning transfer especially well to fully distributed arrangements.
How can I get hired as a mobile engineer in California with little or no experience?
The most realistic entry path is building a portfolio of real applications and applying to junior or associate engineer roles at mid-size California technology companies that run structured new-grad programs, such as those found at enterprise software firms and consumer app companies in the Bay Area and Los Angeles. Contributing to open-source mobile projects, completing a California-based bootcamp with a mobile track, or moving laterally from a QA automation or front-end web role are the most common doors in for candidates without professional experience.
Where can I find and apply to mobile engineer jobs in California?
You can find and apply to mobile engineer jobs in California on Migrate Mate, which lists current California openings. Search the listings for roles that match your experience and specialization, then apply directly to the ones that fit.
See All 363+ Mobile Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Mobile Engineer Jobs