iOS Engineer - ChatGPT Mobile Infrastructure

Join our dynamic team at Sonsoft, Inc. as an iOS Architect. In this pivotal role, you will lead the design and development of innovative iOS applications, ensuring high performance and responsiveness. Collaborate closely with cross-functional teams to create cutting-edge mobile solutions that enhance user experience.

Join Air Apps as a Mobile Software ArchitectAt Air Apps, we are innovators at heart, driven by a mission to revolutionize personal and entrepreneurial planning with our AI-powered Personal & Entrepreneurial Resource Planner (PRP). Founded in Lisbon in 2018, and now with a dynamic presence in both Lisbon and San Francisco, we have self-funded our growth and achieved over 100 million downloads globally.We challenge conventional thinking and continuously push the boundaries of AI-driven solutions to enhance the way people plan, work, and live. As part of our team, you will play a crucial role in developing products that empower individuals worldwide.Be a part of our journey to reshape resource management and make a lasting impact on lives around the globe.Your RoleAs a Mobile Software Architect, you will be pivotal in designing robust and high-performance mobile architectures for our applications, with a primary focus on iOS development. Your cross-functional knowledge of Android development will be an added advantage.In this strategic and technical leadership position, you will collaborate closely with product, design, and engineering teams to create elegant solutions that cater to millions of users across the globe. Your architectural decisions will shape the future of our mobile ecosystem.Key ResponsibilitiesDefine and lead the mobile architecture strategy, ensuring scalability and maintainability of our projects.Focus on iOS architecture, libraries, and platform-specific patterns while being acquainted with Android frameworks.Collaborate with engineers, designers, and product managers to ensure alignment of architectural decisions with product goals and user experience.Establish and uphold coding standards, design patterns, and performance guidelines.Lead architectural reviews and provide expert guidance on refactoring and scaling existing mobile applications.Design APIs, SDKs, and modular components for reuse across teams.Guide decisions regarding third-party libraries, mobile tooling, and build/deployment pipelines.Work with backend and cloud teams to ensure seamless integration between mobile applications and services.Stay abreast of the latest trends and best practices in mobile architecture.

About SesameAt Sesame, we envision a future where technology emulates lifelike interaction—machines that can see, hear, and engage with us in ways that feel natural and human. We are innovating a new category of consumer products that integrate voice agents seamlessly into everyday life. Our dynamic team comprises founders from Oculus and Ubiquity6, along with seasoned veterans from Meta, Google, and Apple, all possessing extensive expertise in both hardware and software. Join us in crafting a transformative future where computers truly come alive.Key Responsibilities:Develop Sesame’s proprietary companion app—an essential building block for a groundbreaking consumer product category—while upholding a commitment to excellence and craftsmanship.Collaborate with cross-functional teams in engineering, design, and product management to deliver complex projects that provide exceptional experiences for users.Contribute to the growth of the iOS team at Sesame by championing best practices and cutting-edge iOS app design techniques.Partner with engineers across iOS, Android, and web platforms to strategize the future of mobile and web solutions for Sesame.Essential Qualifications:Deeply intuitive understanding of iOS app aesthetics and design principles.Demonstrated experience in creating delightful, design-centric applications throughout your career.Proven track record as a technical leader, having taken ownership of launching apps or significant features into production multiple times.A strong passion for delivering outstanding products, driven by a desire to understand user needs and find innovative ways to exceed their expectations.Enthusiastic about the intricate engineering processes involved in crafting fast, user-friendly, and revolutionary iOS interfaces.Expertise in minimizing latency in complex iOS applications; adept at overcoming challenges related to networking, architecture, and SDK limitations to enhance interaction speed.Current knowledge of iOS UI/UX design trends; actively engaged in the Apple release cycle and constantly considering how new features can elevate user experience.Extensive hands-on experience with the iOS app development lifecycle, including build processes, testing strategies, and contemporary UI architecture patterns.Preferred Qualifications:Experience with SwiftUI or Combine frameworks.Familiarity with Agile methodologies and project management tools.

About Wispr FlowAt Wispr Flow, we are revolutionizing the way people interact with their devices, making it as natural as conversing with a close friend.Our cutting-edge voice dictation platform is currently the go-to solution for users, surpassing traditional keyboards. With unparalleled accuracy, context-awareness, and personalization, our technology is designed to function seamlessly on both desktop and mobile devices.By 2026, we aim to expand beyond dictation, developing a robust framework for native actions that intuitively understands user commands and operates dependably.Our diverse team of AI researchers, designers, growth strategists, and engineers is committed to reimagining human-computer interaction. We prioritize collaboration, user-centric innovation, and meticulous attention to detail. A culture of spirited discussion and a focus on impactful outcomes are central to our values.Over the last year, our revenue has surged by 150% each quarter, and we have successfully raised $81 million from leading venture capital firms and prominent angel investors.

About FayAt Fay, we are dedicated to establishing nutrition as a critical component of preventative healthcare, enhancing outcomes, accessibility, and affordability on a large scale. We are creating AI-driven infrastructure aimed at revolutionizing preventative healthcare. Think that's ambitious? We're only getting started!Fay operates as a three-sided marketplace bridging providers, patients, and payers to transform the delivery of preventative care. Our innovative b2b2c solution empowers dietitians to provide top-notch, affordable nutritional care, enables patients to take charge of their health, and allows payers to cultivate healthier member populations. Nutrition is just our starting point; our platform will evolve into broader areas of preventative health and wellness as we expand.We take pride in being one of the fastest-growing companies in health tech, supported by leading investors such as General Catalyst, Forerunner, 1984, and Goldman Sachs.Are you ready to harness AI-driven technology to transform preventative care and impact health positively? Let’s connect!About this RoleWe are excited to offer a fantastic opportunity for an iOS engineer to join our team. What makes this position a dream job?A rapidly expanding user base of tens of thousands!An opportunity to craft an exceptional mobile-first experience that is central to our company’s vision.A collective mission to deliver high-quality, convenient, and affordable healthcare.Currently, we have an app available on the App Store that marks just the beginning of our vision for a comprehensive mobile experience: a hub for healthy eating where users can chat with licensed dietitians and order groceries covered by insurance. To realize this vision, we need to expand our iOS team!We are seeking a talented and passionate iOS engineer with experience in developing sophisticated iOS applications using native Swift, who thrives in the dynamic atmosphere of a startup.What technologies will you engage with? Our iOS application utilizes native Swift, Combine, and an MVVM architecture. Fay’s core technology stack includes a Python backend, a React frontend, and a Postgres database.Your Responsibilities:Building: You will rapidly implement new features and functionalities into the app.Collaborating: You will partner with our exceptionally skilled designers...

Join our dynamic team at Sonsoft Inc. as an iOS Developer. In this role, you will be responsible for designing, developing, and maintaining innovative applications for Apple devices. You will work closely with cross-functional teams to deliver high-quality software solutions that enhance user experiences.

Join Our Innovative Team at Air AppsAt Air Apps, we're driven by a vision to think expansively and act swiftly. Founded by a family in 2018 in Lisbon, Portugal, we are on a mission to revolutionize personal and entrepreneurial planning with our cutting-edge AI-powered Personal & Entrepreneurial Resource Planner (PRP). With an impressive milestone of over 100 million downloads globally, our offices in both Lisbon and San Francisco are bustling with creativity and ambition.Our commitment to innovation propels us to challenge conventional boundaries daily, using AI-driven solutions to make a significant impact on how individuals plan, work, and live. Here, you will harness your creativity to develop products that empower people worldwide.Embark on this journey with us to redefine resource management and improve lives along the way.The OpportunityAs a Senior iOS Engineer, you will be pivotal in creating and enhancing our suite of iOS applications, focusing on performance, scalability, and delivering a flawless user experience. You will collaborate closely with designers, product managers, and fellow developers to implement new features and continuously refine our applications. Your strong expertise in Swift and iOS development principles will be essential in fostering innovation and securing our status as a leader in the App Store.This posting aims to expand our talent pool as we prepare for the official job launch. We will reach out to you once the position is live.

About UsAt XOXO, we are a pioneering research lab dedicated to creating the intelligence interface for daily living. Our covert team of expert engineers, designers, and researchers is focused on uncovering innovative solutions to unique challenges that affect life beyond the workplace.With our recent advancements in infrastructure, architecture, and model layers, we are seeking passionate builders to craft the interface and application layers that will actualize our ambitious vision.About the RoleWe are in search of a skilled iOS engineer to develop XOXO's consumer application, featuring a revolutionary interface for intelligence. This role is ideal for an exceptional engineer who can take ownership of the entire mobile experience—from architecture to performance, refinement, and a visually engaging design system that ensures intentionality in every interaction.Your background is less important than your motivation: you possess a strong sense of ownership, operate swiftly without compromising quality, and are eager to create a mobile product that redefines craftsmanship and performance standards.What You’ll DoDesign and launch the initial iterations of our React Native application, transitioning it from prototype to production.Convert a highly visual design system into reusable components, animations, and interaction patterns with smooth performance.Develop new product features that seamlessly integrate modern AI/ML capabilities within the mobile context.Enhance app performance metrics, focusing on rendering, startup time, memory usage, battery consumption, networking, and user-perceived speed.Establish high standards for mobile engineering quality (testing, instrumentation, release discipline) and collaborate closely across the tech stack to deliver comprehensive solutions.Skills & QualificationsMinimum qualifications:A minimum of 3 years of experience in shipping production mobile applications with an unwavering commitment to quality.Extensive knowledge of React Native and Swift, accompanied by a strong understanding of architecture and long-term maintainability.Proven ability to transform a highly visual design system into a fast, pixel-perfect user interface (UI), incorporating components, interaction patterns, and accessibility features.A track record of developing mobile applications that feel instantaneous under real-world constraints (startup time, rendering, memory, battery, networking) and knowing diagnostic techniques for performance issues.

About Our TeamJoin OpenAI’s Applications Engineering team, where we are dedicated to transforming our state-of-the-art research into user-friendly products that reach millions of developers and users across the globe. The Applied Foundations team is at the helm of developing the essential product and platform layers that facilitate seamless experiences across our applications, covering everything from identity and access management to safety protocols, payments, and commerce. Our diverse teams encompass product engineering, infrastructure, and safety, collaborating to deliver technology that is secure, reliable, and trusted on a global scale.About the OpportunityAs a Senior iOS Engineer on the Applied Foundations team, you will be instrumental in crafting core mobile experiences that empower users to sign up, manage their accounts, access family features, make payments, ensure safety, and confidently engage with OpenAI’s products. This role focuses on developing high-quality mobile applications as well as reusable iOS components that various product teams rely on to expedite their projects while adhering to the highest standards of security, reliability, and user trust. You will manage intricate client-side systems, including UI, networking, local state, payment integrations, and Apple platform integrations while collaborating closely with backend, product, and safety teams to design the architecture that supports OpenAI’s mobile ecosystem at a global level.Your Responsibilities Will Include:Develop and deploy innovative iOS experiences that leverage the potential of AI.Enhance app performance, reliability, and responsiveness on a global scale.Create and uphold shared iOS frameworks and components for account management, trust, and commerce processes utilized across OpenAI’s mobile applications.Establish comprehensive testing frameworks and optimize app architecture for future maintainability.Collaborate with product, design, research, and backend teams to deliver impactful features.Provide technical direction to influence the evolution of OpenAI’s iOS platform.You Will Excel in This Role If You:Possess 4+ years of experience in professional software engineering.Have a strong history of developing high-quality iOS applications in production, particularly for systems that demand reliability and resilience.Have experience managing complex, mission-critical mobile systems throughout their lifecycle.Have a solid understanding of making architectural decisions within iOS development.Are eager to innovate and tackle challenges in a rapidly evolving technological landscape.

About Cantina:Cantina Labs is a pioneering social AI company, dedicated to developing a cutting-edge suite of real-time models that redefine expression, personality, and realism. Our mission is to animate characters in a way that transforms storytelling, connection, and creativity. With Cantina, our flagship social AI platform, we are just beginning to unlock the potential of AI in shaping human interaction.If you are passionate about the role of AI in enhancing creativity and social experiences, we invite you to join us in crafting the future!About the Role:As a Senior iOS Engineer at Cantina, you will spearhead the development of groundbreaking, high-performance features. This includes designing personalized feeds, creating immersive custom UIs, and empowering our bots with advanced AI-driven functionalities such as chat, text-to-speech, voice selection, image generation, and real-time media effects.You will work closely with Product Managers, Designers, and other key stakeholders to shape the direction of a product that is central to our mission. You will have the opportunity to iterate quickly on impactful updates and enjoy the freedom to bring your innovative ideas to fruition.We seek an individual who excels in pushing the boundaries of iOS development and possesses a fervent desire to create visually stunning, high-performance experiences. Your knowledge of custom graphics, animation frameworks, and media pipelines will be pivotal in establishing the creative foundation of our flagship application, ultimately advancing user experience and innovation within the social AI landscape.What You’ll Do:Utilize frameworks and technologies such as UIKit, AVFoundation, Combine, Core Animation, and others.Lead the development of new AI and media-centric features.Construct and optimize video/audio pipelines, real-time media effects, and AI-enhanced visual features.Participate in Architecture meetings to ensure our applications meet the highest quality standards.Collaborate with Product, Design, and QA teams to deliver polished, scalable user experiences.Own features and contribute as part of a small team that delivers applications to a vast user base.Join a supportive team that values constructive feedback focused on growth.What You’ll Bring:8+ years of experience developing iOS applications.Expertise in custom graphics, animation frameworks, and media pipelines.Strong problem-solving skills and a passion for innovation.

About SesameAt Sesame, we envision a world where technology seamlessly integrates with our lives, evolving computers into lifelike partners that can see, hear, and communicate in the most human-like ways. We are on a mission to create innovative voice agents that become an integral part of our everyday routines. Our diverse team comprises founders from Oculus and Ubiquity6, along with leading talents from Meta, Google, and Apple, all possessing a wealth of knowledge in both hardware and software development. Join us as we redefine the future of computing.About the RoleWe are seeking a talented and seasoned iOS Engineer to play a pivotal role in developing the Sesame app, which powers our cutting-edge wearable devices. You will be at the forefront of designing, architecting, and implementing our iOS application that enhances user engagement—from initial setup and account management to personalized experiences and firmware updates. Collaborating closely with design, firmware, and backend teams, you will create an intuitive and delightful user experience that bridges our hardware with the digital landscape.Responsibilities:Develop and refine Sesame’s standalone companion app, establishing a new standard in consumer product categories, while maintaining a strong emphasis on quality and craftsmanship.Collaborate with hardware and firmware teams to create a fluid iOS user experience that seamlessly integrates with Sesame’s wearable technology.Coordinate with cross-functional teams in engineering, design, and product management to deliver complex projects that exceed user expectations.Partner with fellow iOS, Android, and web engineers to define and advance Sesame's mobile and web strategy.Write robust, clean, and maintainable code with a strong focus on performance and reliability.Engage in code reviews, continuous integration/continuous deployment (CI/CD) processes, and oversee App Store release cycles.

Are you a seasoned iOS Engineer looking to take your career to the next level? Join our dynamic team at 360 IT Professionals, where innovation meets excellence. We are seeking a talented and experienced Senior iOS Engineer who will play a pivotal role in the development of cutting-edge mobile applications.In this role, you will collaborate with cross-functional teams to design, build, and maintain high-quality iOS applications. Your expertise will help us deliver exceptional user experiences and drive our mobile strategy forward.

We are seeking an innovative and experienced .NET Architect to join our team in San Francisco. As a .NET Architect, you will play a critical role in designing and implementing robust software solutions that meet our clients' needs. You will work closely with development teams to ensure architectural integrity and optimal performance of applications.

Join our dynamic team at Mindlance as a Senior IT Consultant / iOS Developer where you will leverage your expertise in iOS development to create cutting-edge applications that enhance user experience. You will collaborate with cross-functional teams, engage in problem-solving, and contribute to the success of innovative projects.

Join our innovative team as an iOS Developer at Lever, where we are redefining the future of talent acquisition. Lever is a leader in hiring software, trusted by top companies like Netflix, Yelp, and Shopify to scale their teams effectively. We take immense pride in our culture and are recognized as the #1 place to work in San Francisco.As a key member of our engineering team, you'll leverage your technical skills to develop cutting-edge iOS applications that enhance user experience and streamline hiring processes. We value independence, curiosity, and resourcefulness, and we’re looking for someone with a keen eye for detail to help us lead and innovate.

Join Atlas as an iOS Engineer and play a crucial role in designing innovative mobile applications that enhance user experiences. You will collaborate with cross-functional teams to deliver high-quality software solutions, ensuring seamless integration with backend services. Your expertise will contribute to the development of cutting-edge features that delight our users.As a member of our dynamic team, you will have the opportunity to implement best practices in mobile development, optimize app performance, and stay up-to-date with the latest industry trends. If you are passionate about mobile technology and eager to make an impact, we want to hear from you!

Join SoFi as a Staff Enterprise Architect, where you'll play a pivotal role in shaping our technology strategy and architecture. In this position, you will collaborate with cross-functional teams to define and implement scalable, secure, and efficient technology solutions that align with our business objectives. Your expertise will guide the design and implementation of enterprise-level systems, ensuring optimal performance and reliability.

Fortune Brands Innovations, Inc. seeks an iOS Mobile Application Developer based in San Francisco. This position centers on designing and building mobile apps for iOS devices, with a strong emphasis on user experience and technical quality. Collaboration with colleagues from various teams is a key part of the role, as is adopting new technologies to enhance product offerings. Key Responsibilities Design and develop applications for iOS platforms Collaborate with cross-functional teams to deliver intuitive and dependable user experiences Incorporate new technologies to strengthen mobile products Maintain high standards throughout the development process Team Culture The team values open collaboration and ongoing improvement. Each member contributes to shaping products that reach a broad audience.

Join Our Dynamic TeamAt OpenAI, the ChatGPT division is at the forefront of redefining how individuals interact with advanced AI technologies. Our team is expanding across various domains, including Growth, Ecosystems, Personalization, and Search Infrastructure, all dedicated to crafting the next era of AI-enhanced products and platforms.Role OverviewWe are looking for a talented iOS Software Engineer to develop and enhance the ChatGPT iOS application. In this pivotal role, you will:Design and implement innovative iOS features that push the limits of AI-powered mobile applications.Enhance app performance, architecture, testing coverage, development tools, and overall reliability.Work collaboratively with Product, Design, Research, and Engineering teams to elevate user satisfaction.Take ownership of components from conception to deployment — including design, implementation, testing, and iterative improvements.Integrate seamlessly with backend and AI systems to create exceptional mobile experiences.Your ProfileExtensive experience in iOS development (Swift/Objective-C), with proficiency in frameworks like UIKit/SwiftUI, Core Data, and performance optimization.A passion for crafting intuitive, high-performance, and engaging mobile experiences.Enjoy working in cross-functional teams and thrive in a fast-paced, iterative environment.We welcome applicants in San Francisco, New York, and Seattle.About OpenAIOpenAI is a pioneering AI research and deployment organization committed to ensuring that general-purpose artificial intelligence serves the interests of humanity. We strive to develop AI systems that are safe, effective, and beneficial, while embracing diverse perspectives from across the globe. Our mission is to harness the transformative power of AI while prioritizing safety and human-centric values.As an equal opportunity employer, we celebrate diversity and are committed to creating an inclusive environment for all employees.