Senior iOS Software Engineer

We are seeking a talented and passionate Staff iOS Engineer to join our dynamic team at twitter2. This role offers exciting future opportunities for innovation and growth within our company. As a Staff iOS Engineer, you will be responsible for developing high-quality mobile applications that enhance user experience and functionality.Your expertise will help shape our iOS development strategy and deliver cutting-edge solutions. Collaborating with cross-functional teams, you will contribute to the entire app development lifecycle, from concept to deployment.

Join Suno: Redefining Music CreationAt Suno, we are transforming the music technology landscape to unleash creativity, where your ideas harmonize into sound and your songs come alive. Our innovative platform is fueled by cutting-edge music creation models, making musical expression accessible to millions around the globe.Founded by passionate Harvard alumni just two years ago, Suno has rapidly ascended to a valuation of $2.45 billion, achieving $200 million in annual recurring revenue and securing $250 million in Series C funding in November 2025. With a dynamic team of 150 dedicated professionals across our offices in Venice Beach, Cambridge, and New York City, we are among the fastest-growing AI startups worldwide.Our iOS team has garnered over 100,000 reviews with a stellar 4.9 rating on the App Store, playing an integral role in shaping our products and driving our company's success.Position OverviewWe are seeking pioneering members to join our iOS team. In this role, you will collaborate closely with our founding team and take ownership of various technical and design decisions for Suno’s iOS application.Discover our musical tribute to this role here: https://suno.com/s/oEdmOtkZDLHCopSGKey ResponsibilitiesDesign and develop Suno’s iOS app for music creation, exploration, and listening experiences.Establish foundational abstractions and libraries for high-performance, interactive audio applications.Engage in design and product decisions across the application.Enhance the performance, aesthetics, and user experience of our products.Qualifications7+ years of experience in delivering production iOS applications.Proficient in Swift, utilizing SwiftUI and UIKit as needed.Experience in crafting fluid animations, adept at converting prototypes into robust implementations.A strong commitment to exceptional user experiences, with a focus on detail, rapid iteration, and diligence.A genuine passion for music—whether listening, exploring, or creating—is a significant advantage.Bachelor's degree or equivalent experience required.

Join Headway as a Staff iOS Engineer and play a pivotal role in shaping the future of mobile technology. You will be responsible for designing and implementing innovative iOS applications that enhance user experiences. Collaborate with cross-functional teams to develop scalable solutions while leveraging the latest technologies in the iOS ecosystem.

Join Match Group as a Staff Software Engineer, specializing in iOS development. In this pivotal role, you will be responsible for designing, developing, and maintaining high-quality applications that enhance our users' experiences across our platforms. Your expertise in iOS frameworks and languages will be crucial as you collaborate with cross-functional teams to deliver innovative solutions.

About the Role Clear is looking for a Staff iOS Engineer based in New York, NY. This role focuses on building mobile applications that improve how users interact with our products. The team values secure, intuitive solutions and aims to advance what mobile technology can do for customers.

Join Via as a Senior iOS Engineer and be a vital part of our mission to revolutionize transportation globally. You will focus on enhancing the rider experience, including booking, account management, and more. Additionally, you will play a key role in managing and advancing our multi-platform UI and automation testing infrastructure.

Join Grow Therapy as an iOS Engineer, where you'll play a vital role in enhancing our iOS app to provide accessible mental healthcare. Collaborate in a mission-driven team, implementing features that make a significant impact on the lives of therapists and patients alike. You'll design and develop new functionalities using Swift, while ensuring code quality and performance. Your contributions will directly influence our goal of making mental health care affordable and accessible across the United States.

At Compass, we are dedicated to helping everyone find their place in the world. Since our inception in 2012, we have been at the forefront of revolutionizing the real estate sector with our comprehensive platform that enables residential real estate agents to provide outstanding service to both sellers and buyers.About the RoleThe Client Infrastructure team is the backbone of innovation, offering the essential platform, tools, and infrastructure that empower our iOS engineering teams to swiftly build, deploy, and deliver high-quality features. As a Senior Software Engineer within the iOS Platform sub-team, you will take on the role of a technical leader, driving the future of iOS development at Compass. You will cultivate a culture of technical excellence and developer empowerment among our team of over 40 iOS engineers.We seek a pragmatic visionary who can dissect complex iOS architectures to mitigate future technical debt, streamline extensive build systems, and implement scalable and resilient platform solutions that enhance productivity across the engineering team. In addition to execution, you will serve as a mentor and technical leader for aspiring iOS engineers, spearheading impactful and high-complexity platform initiatives. You will lead by example—innovating, teaching, and shaping the future of iOS engineering at Compass.This position necessitates profound expertise in iOS platforms coupled with strategic foresight to amplify the capabilities of our entire iOS organization through robust platform infrastructure.ResponsibilitiesSteer the technical roadmap for iOS platform infrastructure, promoting a leading developer experience and modern iOS development methodologies among 40+ iOS engineers.Design, scale, and maintain core capabilities of the iOS platform, which include build systems, testing infrastructures, API frameworks, and shared libraries, ensuring they meet the performance and quality demands of all iOS product teams.Oversee the iOS testing strategy and infrastructure, empowering teams to uphold rigorous testing standards via intelligent automation, AI-enhanced testing tools, and quality gates that enforce best practices.Lead initiatives for iOS platform modernization, including the Swift 6 migration strategy, adopting Kotlin Multi Platform, and reducing technical debt while advocating for coding standards and architectural patterns.Refine iOS build system infrastructure (Bazel) serving over 40 engineers, focusing on reducing build times, implementing caching strategies, and developing productivity tools that guide engineers along the optimal path.Establish and enhance standards for iOS app performance, reliability, and monitoring metrics.

Clear seeks an iOS Engineer based in New York, NY. This position centers on building mobile applications that enhance the user experience. Collaboration with other disciplines is a key part of the role, as new features are designed and developed for Clear’s mobile platform. Responsibilities Develop and maintain iOS applications for Clear Partner with product, design, and engineering teams to deliver new features Write code that meets high standards for quality and performance Requirements Experience with iOS development Interest in mobile technology Desire to contribute to products that impact users

About SunoSuno is a pioneering music technology company dedicated to enhancing creativity, where innovative ideas transform into sound and melodies become uniquely yours. We are on a mission to develop a groundbreaking platform fueled by the most sophisticated music creation model worldwide, sharing the joy of musical expression with millions.Established by passionate Harvard graduates two years ago, Suno has rapidly ascended to success, achieving an impressive $200 million in annual recurring revenue. This makes us one of the fastest-growing AI startups globally, with a current valuation of $2.45 billion. In November 2025, we secured $250 million in Series C funding and now proudly employ 150 talented individuals across our dynamic offices in Venice Beach, Cambridge, and New York City.With over 100,000 reviews and an outstanding 4.9 rating on the App Store, our iOS team is instrumental in shaping the future of our innovative products and driving our company's success.About the RoleWe are seeking skilled iOS Engineers to join our expanding mobile development team. In this role, you will collaborate closely with our product designers and managers to develop Suno's iOS application, enabling seamless music creation at everyone’s fingertips.Explore the Suno song we crafted especially for this role: https://suno.com/s/oEdmOtkZDLHCopSGWhat You’ll DoDevelop and implement essential features and UI components for Suno's iOS app utilizing Swift and SwiftUI.Collaborate with our audio engineering team to seamlessly integrate and enhance music playback and creation functionalities.Engage in design and product decision-making processes to elevate the overall user experience.Optimize the performance, user experience, aesthetic quality, and overall feel of our products.What You’ll NeedA minimum of 3 years of experience in developing iOS applications.Proficient in Swift and SwiftUI, with a strong portfolio demonstrating your work.In-depth knowledge of iOS performance optimization techniques and best practices.Ability to produce clean, maintainable, and well-documented code.Fundamental understanding of RESTful APIs and networking principles.Excellent communication skills and the capacity to thrive in a collaborative environment.A genuine passion for music (listening, exploring, creating) is highly desirable.Bachelor's degree in Computer Science or related field.

Join Hinge: The Dating App Designed to Be DeletedIn an increasingly digital world, establishing authentic connections can be challenging. At Hinge, we are dedicated to fostering meaningful relationships and combating loneliness. Our passion lies in understanding user behavior to facilitate love, with our success measured by one core goal—creating successful dates. As one of the most trusted platforms for relationship seekers globally, we aim to connect people in a genuine way.About the OpportunityAs an integral member of our dynamic iOS team, you will be instrumental in the development and enhancement of the Hinge iOS mobile application. Your primary responsibilities will include implementing innovative product features, troubleshooting issues, and elevating the overall user experience, utilizing iOS technologies such as Swift, Core Data, and various Apple frameworks. You will collaborate with a diverse team comprising product managers, technical project managers, designers, data engineers, backend engineers, and QA analysts. Working closely with the Tech Lead and fellow developers, you will contribute to our product's evolution and the growth of our engineering community. This position provides a unique chance to engage in impactful work that directly influences a mobile app used by millions. Over time, you will cultivate your skills and grow into a confident, independent iOS developer.

About MedalMedal is the premier and rapidly expanding platform for gaming clips, where millions of gamers capture, share, and relive their most exhilarating moments. Each year, our players record billions of clips, showcasing unique highlights filled with action. We are on a mission to build the next generation of gaming communities that are social, monetized, and powered by creators. Our goal is to create products that facilitate seamless and enjoyable sharing, discovering, and connecting around gaming moments.Recently, we successfully raised a seed round of $133 million from General Catalyst and Khosla to propel the future of intelligence in gaming.The RoleWe are seeking a Senior/Lead iOS Engineer to elevate our mobile application to new heights. You will collaborate with a small, talented team of engineers and designers to enhance the Medal experience on iOS—developing features ranging from real-time editing tools to content discovery and notifications. Your contributions will help shape our mobile architecture, influence product direction, and create experiences that are enjoyed by millions of gamers.If you are passionate about delivering high-quality mobile experiences, have a keen eye for user interactions, and want to work on a product that sits at the intersection of social engagement and gaming, this opportunity is perfect for you.

Hinge: The Dating App Designed to Be DeletedIn an increasingly digital age, establishing authentic connections is more challenging than ever. At Hinge, we are dedicated to fostering meaningful relationships to create a world where loneliness is diminished. Our passion lies in understanding our users’ behaviors to assist them in finding love, and our success is measured by one simple goal: creating exceptional dates. With millions of users worldwide, we have become the most trusted platform for forming lasting relationships.About the PositionWe are seeking a Senior iOS Engineer to join our Growth Product Team. In this pivotal role, you will develop user-centric features that enhance how individuals discover, engage with, and return to Hinge. This team is focused on optimizing key moments in the user journey, from onboarding and activation to encouraging deeper engagement and long-term retention.As a Senior iOS Engineer, your contributions will be instrumental in helping new users successfully navigate the app, re-engaging those who have taken breaks, and highlighting the benefits of premium features. Your efforts will directly influence the user experience on Hinge, enhancing both user satisfaction and product growth.You will collaborate closely with cross-functional teams, including engineers from various platforms, product managers, designers, data scientists, and backend developers, to identify high-impact opportunities, conduct experiments, and deliver high-quality, performant mobile experiences.If you are excited about the prospect of helping millions connect in meaningful ways and have a passion for creating intuitive, elegant applications, we would love to hear from you.

Join Highbeam in revolutionizing business banking and cash management!Our innovative platform integrates AI-driven agents, automated financial workflows, and seamless financial products, designed to help businesses save valuable time and resources.Trusted by industry leaders such as Cuts, Tushy, and NYON, our customers have generated billions in sales.Our talented team includes alumni from prestigious companies like Shopify, Square, Toast, and McKinsey, and we have successfully raised $42M in equity from top investors including Acrew, FirstMark, Mayfield, and Two Sigma Ventures.

Role overview Asana’s Mobile team develops features that keep teams connected and productive, even when they are away from their desks. Engineers on this team collaborate closely with product designers, project managers, and other technical groups to deliver a seamless and reliable mobile experience. The team values thoughtful engineering, high code quality, and a collaborative approach, blending mobile best practices with Asana’s internal frameworks. This iOS Software Engineer position is based in New York City and follows a hybrid work schedule. Standard in-office days are Monday, Tuesday, and Thursday. Details about hybrid expectations will be provided during the interview process. What you will do Collaborate with product and design partners to deliver polished mobile features to users worldwide. Lead or contribute to technical initiatives aimed at improving engineering standards, code quality, and test coverage, while addressing technical debt. Write code that is clear, well-documented, and thoroughly tested. Support the team’s growth by providing feedback in code and design reviews, and by mentoring other engineers. Adopt and share the latest tools, SDKs, and practices to increase team efficiency. Take ownership of key Areas of Responsibility (AoRs) within the team. Requirements At least 3 years of experience building, releasing, and maintaining iOS apps, ideally with Swift. Current knowledge of trends and advancements in the iOS ecosystem. Strong commitment to code quality and maintainability. Motivation to create enjoyable and intuitive user experiences. Interest in mentoring and supporting the growth of others. Sound judgment in balancing creative solutions with sustainable code. Interest in AI tools and emerging technologies, with a willingness to learn and apply them to improve productivity and collaboration.

Mobile Team at Asana The Mobile team builds features that help teams stay connected and organized, even when away from their desks. Engineers collaborate closely with Product Designers, Product Managers, and other engineering groups to enhance the Asana experience for mobile users. The team maintains a codebase and culture designed for both productivity and enjoyment, combining established mobile practices with Asana's internal frameworks. Role Overview iOS Mobile Engineers at Asana step into meaningful work from the start, contributing to both the codebase and team processes. The company uses an Areas of Responsibility system, which clarifies roles and encourages professional growth. Engineers are supported in identifying and solving problems, always with a collaborative mindset. Location and Work Model This position is based in Asana's New York City office. The role follows a hybrid schedule, with in-office days required on Monday, Tuesday, and Thursday. During the interview process, a recruiter will provide more details about in-office expectations.

About HookHook is an innovative social music platform, supported by leading investors, dedicated to revolutionizing music discovery, fan engagement, and creator growth. We transform beloved songs into playful sound experiences, empowering fans and creators to reimagine music through user-friendly, remix-friendly tools with no learning curve. By collaborating directly with artists, labels, and rights holders, Hook ensures that music is discovered, shared, and expressed in ways that honor and reward its creators. At Hook, music is not merely consumed; it is experienced, expressed, and personalized.Role OverviewWe are seeking a talented iOS Video Engineer to spearhead the development of Hook’s video effects pipeline and creative tools. You will be responsible for creating systems that enable real-time previews, branded effects (including color, duotone, and halftone), visual templates, and the final export of shareable Hook videos.Your contributions will significantly enhance the creative experience for millions of users within the Hook app and across exported content on platforms like TikTok, Reels, and Shorts. This hands-on technical role is perfect for someone with a background in developing video or media-rich applications, who thrives at the intersection of performance, creative tooling, and delightful user experiences.What You’ll DoDevelop Hook’s video effects engine utilizing AVFoundation and Core Image for color grading, duotone, halftone, and branded visual treatments.Implement real-time filter previews in our creative studio, ensuring optimal performance and precise rendering across all devices.Process and export final Hook videos, merging audio and video into a cohesive asset for users to share on or off the platform.Create reusable video editing utilities for cropping, trimming, aspect ratio adjustments, overlays, transitions, and template-based compositions.Collaborate closely with design and brand partners to translate After Effects concepts into efficient, mobile-friendly filters and animations.Optimize the entire media pipeline for performance, memory, and battery efficiency using Core Image, AVVideoComposition, and advanced concurrency techniques.Advance Hook’s creative capabilities, facilitating future features such as templates, multi-layer compositions, and creator-driven video tools.

The OpportunityAt doji, we are revolutionizing the fashion shopping experience through the power of AI avatars. Our team is dedicated to developing innovative diffusion models and creating personalized interfaces that enhance user engagement.Our creative team, based in New York City, is a unique blend of aesthetic sensibility and deep AI expertise, having previously delivered impactful consumer products at leading companies such as Apple, DeepMind, and Meta. With backing from prominent investors associated with OpenAI and SKIMS, we are strategically positioned at the nexus of AI, technology, and culture.The RoleWe are in search of an iOS Engineer who will play a pivotal role in crafting a groundbreaking avatar-based fashion shopping experience. This position requires in-office collaboration at our NYC office.As our Founding iOS Engineer, you will:Engineer a native iOS application that evolves alongside our product.Collaborate with the founding team to conceptualize and execute innovative mobile experiences.Develop and uphold high-quality, reusable, and testable code.Establish and refine mobile development processes, including planning, testing, and releasing.Work collaboratively on a shared codebase while maintaining high coding standards.Enhance app performance and speed.Stay informed on the latest iOS advancements and industry best practices.Contribute to the overall product strategy and user experience.You're an ideal candidate if you:Have experience building consumer applications at scale.Possess strong foundational knowledge and experience with the modern iOS stack (Swift, SwiftUI, UIKit).Take pride in creating intuitive user experiences, polished UI, and maintainable code.Understand low-level intricacies (such as Swift 6.0 concurrency) and know how to analyze and optimize app performance.Apply Apple's design principles and interface guidelines effectively.Utilize Git and adhere to Git flow methodologies.Evaluate design patterns and their trade-offs, notably MVVM.Demonstrate self-motivation, high agency, and the ability to quickly master new skills.Thrive in dynamic, fast-paced environments, whether in startups or large tech firms.Have a genuine interest in fashion, avatars, or creative expression.

At Duolingo, we are on a mission to revolutionize education by making it accessible to everyone across the globe. We believe that learning should be effective, engaging, and fun, and that's where you come in!As a member of our innovative engineering team, you will tackle complex technical challenges while experimenting with our vast user base. You will have the opportunity to make impactful, data-driven decisions while contributing to an educational platform that transforms the lives of our learners. Expect endless opportunities for professional growth, collaboration with talented colleagues, and the chance to work on diverse projects that are both meaningful and enjoyable.Join us as we strive to empower half a billion learners worldwide with the tools they need to succeed!