iOS Engineer

AppLovin is building a next-generation social connectivity platform, redefining how people create, discover, and engage with content. As a founding iOS Engineer, you will be a primary architect of the core mobile experience, crafting custom gesture-driven interfaces, optimizing media rendering pipelines, and building real-time capture and creation tools. This role offers a unique opportunity to shape the future of mobile social experiences from a blank slate, focusing on technical excellence and user delight within a startup environment backed by an industry leader.

Must Have

• Design, develop, and maintain core iOS application features.
• Optimize app performance, including interface fluency, media playback, and memory management.
• Tackle complex technical challenges in custom media playback, real-time content processing, gesture handling, and social interactions.
• Collaborate with Product Managers, Designers, and Backend Engineers.
• Establish engineering best practices, code architecture, review processes, and testing standards.
• 3+ years of professional iOS development experience.
• Deep proficiency in Swift.
• Strong understanding of iOS frameworks (UIKit, SwiftUI).
• Proven track record of shipping complex, high-performance consumer mobile apps.
• Deep understanding of iOS memory management, multithreading, networking, and performance profiling tools.
• Experience with software architecture patterns.

Good to Have

• Experience with media-intensive applications involving video, audio, or camera functionality.
• Background in social, content creation, or community-driven products.
• Familiarity with real-time communication technologies and protocols.

Perks & Benefits

• Autonomy, impact, and pace of a startup.
• Resources, stability, and expertise of AppLovin.
• Opportunity to work on groundbreaking technical challenges.
• Building a product that could become the next iconic social platform.
• Certified Great Place to Work (2021-2024).
• Recognized as one of the Best Workplaces in the Bay Area by Fortune.

About AppLovin

AppLovin makes technologies that help businesses of every size connect to their ideal customers. The company provides end-to-end software and AI solutions for businesses to reach, monetize and grow their global audiences. For more information about AppLovin, visit: www.applovin.com

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To deliver on this mission, our global team is composed of team members with life experiences, backgrounds, and perspectives that mirror our developers and customers around the world. At AppLovin, we are intentional about the team and culture we are building, seeking candidates who are outstanding in their own right and also demonstrate their support of others.

Fortune recognizes AppLovin as one of the Best Workplaces in the Bay Area, and the company has been a Certified Great Place to Work for the last four years (2021-2024). Check out the rest of our awards HERE

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At AppLovin, we're building the future of social connectivity - a next-generation platform that redefines how people create, discover and engage with content. This new venture represents a unique opportunity to shape the future of mobile social experiences, combining the innovation of a startup with the scale and resources of an industry leader. We're assembling an exceptional team to bring this vision to life, starting with foundational roles like yours.

【A Day in the Life】

As a founding iOS Engineer for this venture, you will be a primary architect of our core mobile experience. Your code will define the performance, feel, and innovation of our social platform for millions of potential users. One day, you might be crafting buttery-smooth, custom gesture-driven interfaces for content discovery; the next, you could be optimizing memory-intensive media rendering pipelines, or building sophisticated real-time capture and creation tools from the ground up. You won't just be implementing tickets - you'll be solving complex technical challenges, making key architectural decisions, and collaborating directly with product and design to shape the future of the app. This role offers the rare opportunity to build a world-class iOS application from a blank slate, with a focus on technical excellence and user delight.

【The Impact You'll Make】

• Architect and Build: Design, develop, and maintain core features of our iOS application, ensuring robustness, performance, and scalability from inception

• Optimize Performance: Take ownership of the app's performance, focusing on critical metrics like interface fluency, media playback efficiency, and memory management to deliver best-in-class user experiences

• Innovate on Core Features: Tackle complex technical challenges in areas such as custom media playback, real-time content processing, intuitive gesture handling, and seamless social interactions

• Collaborate and Influence: Work closely with Product Managers, Designers, and Backend Engineers to define feature specifications, propose technical solutions, and influence product direction

• Establish Foundations: Help establish engineering best practices including code architecture, review processes, and testing standards for a codebase built to last and scale

【Who You Are】

• Bachelor's degree in Computer Science or related field, or equivalent practical experience

• 3+ years of professional iOS development experience with deep proficiency in Swift and strong understanding of iOS frameworks including UIKit and SwiftUI

• Proven track record of building and shipping complex, high-performance consumer mobile applications to the App Store

• Deep understanding of iOS memory management, multithreading, networking, and performance profiling tools

• Experience with software architecture patterns and passion for writing clean, maintainable, and testable code

• Product-minded engineer who cares about user experience and enjoys cross-functional collaboration

• Self-starter who thrives in fast-paced, entrepreneurial environments - proactive, ownership-driven, and excited to build from zero to one

【Bonus Qualifications】

• Experience with media-intensive applications involving video, audio, or camera functionality

• Background in social, content creation, or community-driven products

• Familiarity with real-time communication technologies and protocols

【Why Join This Venture】

This is more than a job - it's a startup within a proven powerhouse. You'll get the best of both worlds: the autonomy, impact, and pace of a startup, combined with the resources, stability, and expertise of AppLovin. As a key member of the founding engineering team, your technical contributions will be highly visible and critical to our success. You'll have the opportunity to work on groundbreaking technical challenges without legacy constraints, building a product that could become the next iconic social platform. Join our small, mission-driven team and help create the next growth story from scratch.

AppLovin is proud to be an equal opportunity employer that is committed to inclusion and diversity. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status, or other legally protected characteristics. Learn more about EEO rights as an applicant here

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If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send us a request at accommodations@applovin.com.

AppLovin will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in California, learn more here

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To support an efficient and fair hiring process, we may use technology-assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers.

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