Senior iOS Engineer - SDK Development

Verve For Advertisers connects brands and agencies with audiences at key moments, using technology that delivers measurable results across multiple screens. The platform combines demand-side solutions, a large search intent dataset outside walled gardens, seamless SDK integrations with leading apps, and data partnerships covering over 3 million websites and LLMs. This approach goes beyond tracking actions, uncovering consumer motivations to support high-quality audiences, insights, and activation across premium omnichannel inventory. Role overview The Senior iOS Engineer will lead the development and ongoing improvement of Verve For Advertisers' iOS SDK. Integrated into hundreds of mobile apps and reaching millions of devices, this SDK sits at the core of the company’s mobile offering. The role involves significant technical ownership, including guiding architectural decisions, collaborating with cross-functional teams, and shaping the direction of the mobile platform. This is a full-time position based in New York, NY, with flexibility to work on-site at company headquarters. What you will do Lead the development and maintenance of the iOS SDK used by partner applications Influence architecture and technical decisions for mobile SDK projects Collaborate closely with product, engineering, and client teams to deliver reliable integrations Contribute hands-on and provide technical leadership to help define the future of the mobile platform Requirements Proven experience as an iOS engineer, with a strong background in SDK development Comfortable taking ownership of products used at scale Strong collaboration and communication skills, with the ability to work across teams Legally authorized to work in the United States (required by Jun Group) Location New York, NY (on-site at headquarters, with flexibility)

Exciting OpportunityWe are seeking a passionate Senior SDK Engineer to join our team, contributing as a key individual contributor on the iOS SDK. You will take ownership of features and subsystems from the design phase through implementation and maintenance. This role offers a unique chance to work at the dynamic intersection of SDK development, machine learning, and data infrastructure. Join us in crafting innovative solutions that advance advertising technology and influence billions of global ad experiences while prioritizing privacy and compliance.

Verve For Advertisers helps brands and agencies reach audiences across devices by using technology built on a large on-site search intent dataset and direct SDK integrations with leading apps. With partnerships spanning over 3 million websites, Verve provides data-driven insights into consumer behavior and supports targeted activation across premium inventory. Role overview This Senior iOS Engineer for SDK Development position centers on owning and evolving Verve’s iOS SDK, which is deployed in many applications and reaches millions of devices. The SDK forms a core part of the company’s mobile platform. The engineer will make key technical decisions, work with multiple teams, and help set the future direction of the SDK. What you will do Lead the development and ongoing maintenance of the iOS SDK Make architectural and technical decisions to support reliability and scalability Collaborate with product, engineering, and other stakeholders to ensure SDK features meet business needs Support the continuous improvement of the mobile platform’s capabilities Contract details and location This is a contract role Remote work is available from anywhere in the US or internationally Collaboration with the US-based engineering team is required during US business hours

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.

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.

At CoStar Group, we believe in the art of creating perfect systems, much like constructing an ideal wall that effectively separates spaces. Our commitment to excellence is mirrored in our approach to software development, where we strive for functionality and user satisfaction. We are searching for an exceptional Senior iOS Developer who thrives on enhancing everyday experiences through code, embodying our vision of continuous improvement.As part of our engineering team, you will play a crucial role in delivering innovative features to millions, collaborating with product and design teams to translate ambitious ideas into practical solutions. Your insights and contributions will directly influence the evolution of our iOS codebase, ensuring that we build systems that foster connection and engagement.

Join our dynamic team at dev2 as a Senior iOS Software Engineer. In this role, you will leverage your expertise to design, develop, and maintain innovative applications for iOS devices. You will work closely with cross-functional teams to create high-quality software solutions that meet our users' needs. Your contributions will help shape the future of our mobile applications and enhance user experience.

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.

About SunoSuno is an innovative music technology firm dedicated to elevating creativity, where ideas transform into melodies, and songs become a personal journey. Our mission is to develop a groundbreaking platform utilizing the most advanced music creation model available, enabling millions to experience the joy of musical expression.Founded by Harvard alumni two years ago, fueled by a shared passion for music, Suno has quickly achieved $200 million in annual recurring revenue, establishing itself as one of the fastest-growing AI startups globally. With a valuation of $2.45 billion and a successful $250 million Series C funding round in November 2025, we are proud to have a diverse team of 150 talented individuals operating from our offices in Venice Beach, Cambridge, and New York City.Our iOS team has significantly contributed to our success, boasting over 100,000 reviews and a stellar 4.9 rating on the App Store, shaping the future of our products.About the RoleWe are in search of pioneering members to join our iOS team. Collaborating closely with our founding members, you will take ownership of various technical and design aspects of the Suno iOS application.Explore the Suno song we created for this role: https://suno.com/s/oEdmOtkZDLHCopSGYour ResponsibilitiesDesign and develop the Suno iOS app for music creation, exploration, and listeningEstablish foundational abstractions and libraries for dynamic, high-performance audio experiencesEngage in design and product decisions throughout the applicationEnhance the performance, aesthetics, and overall user experience of our productsQualificationsOver 5 years of experience in delivering production-level iOS applicationsProficient in Swift, with experience in SwiftUI and UIKit as necessaryExpertise in creating smooth animations and transforming prototypes into scalable, robust codeA strong commitment to exceptional user experiences, detail orientation, rapid iteration, and hard workA deep passion for music, whether through listening, exploring, or creating, is highly desirableBachelor's degree or equivalent experience is required.

Join Sandbar as a Senior Product Engineer for iOSAt Sandbar, we are pioneering an innovative human-agent interface that enhances individual autonomy in today's fast-paced world. Our talented team has developed state-of-the-art software, machine learning, and hardware solutions previously with industry leaders like Meta, Google, Apple, and more.Be part of the excitement as we prepare to launch our flagship product, Stream—a revolutionary private voice ring and conversational computer that has gained recognition from major publications like WSJ, Bloomberg, and Wired, set to ship in Summer '26.We invite you to contribute your expertise in creating an intuitive interface that empowers users to augment their capabilities.Your RoleWe are seeking a passionate Senior iOS Product Engineer to help shape the Stream app, which plays a crucial role in our user experience. You will collaborate with a cross-functional team consisting of design, firmware, and backend engineers to develop a seamless, technically robust application.Key ResponsibilitiesLead the iOS product development including architecture (Swift), performance optimization, testing, and deployment.Collaborate with backend services (WebSocket) and device integration (BLE) to ensure low-latency, reliable human-computer interactions.Work alongside product, design, and go-to-market teams to release updates, gather user insights, and iterate on improving user experiences.QualificationsA minimum of 5 years of experience in designing and deploying mobile applications for iOS.Expertise in Swift and complex interactive application development.Proven experience with OS-level integrations such as media control and on-device machine learning technologies.Familiarity with Python-based servers and the iOS Bluetooth stack is a plus.Exceptional communication skills across interdisciplinary teams.Strong sense of ownership and ability to navigate ambiguity while delivering high-quality technical outputs.A deep passion for enhancing user experiences and human-computer interaction.BenefitsComprehensive health, vision, and dental insurance.Unlimited paid time off and sick leave.Equity options in our early-stage company.

At Compass, we are dedicated to helping individuals find their ideal place in the world. Since our inception in 2012, we have been transforming the real estate landscape with our comprehensive platform that equips residential real estate agents to provide unparalleled service to both sellers and buyers.About the RoleAs a Senior iOS Engineer within our Client Infrastructure team, you will play a pivotal role in shaping the future of iOS development at Compass. This team provides the critical platform, tools, and infrastructure that enable our iOS engineers to create, deploy, and deliver features with confidence, speed, and quality. You will lead a talented group of over 40 iOS engineers, cultivating a culture of technical excellence and fostering developer empowerment.We are looking for a visionary who can identify and address complexities within iOS architectures to mitigate future technical debt, streamline extensive build systems, and provide scalable, resilient platform solutions that enhance efficiency and reduce engineering hours. As the technical leader and mentor, you will guide skilled iOS engineers while driving impactful, high-complexity platform projects. You will lead by example—innovating, teaching, and influencing the future of iOS engineering at Compass.This position demands extensive expertise in the iOS platform, paired with strategic insight into how to elevate the entire iOS organization through superior platform infrastructure.ResponsibilitiesLead the technical roadmap for iOS platform infrastructure, advocating for top-tier developer experience and modern iOS development methodologies across a team of 40+ engineers.Design, scale, and maintain core iOS platform capabilities including build systems, test infrastructure, API frameworks, and shared libraries to fulfill the quality and performance requirements of all iOS product teams.Develop and oversee the iOS testing strategy and infrastructure to empower teams to uphold robust testing standards through smart automation, AI-enhanced testing tools, and quality gates that enforce best practices.Drive modernization initiatives for the iOS platform, including strategies for Swift 6 migration, the adoption of Kotlin Multi-Platform, and the reduction of technical debt while championing coding standards and architectural patterns.Enhance iOS build system infrastructure (Bazel) to support over 40 engineers, focusing on reducing build times, implementing caching strategies, and providing developer productivity tools that facilitate the optimal development experience.Set and refine standards for iOS app performance, reliability, and monitoring, covering metrics such as crash-free rates, launch times, and runtime performance.

Join Bevel as a Senior iOS EngineerAbout BevelBevel stands as the leading AI Health Companion, boasting over 1 million global downloads. Our mission is to empower individuals to make informed health decisions by seamlessly integrating data from sleep, recovery, activity, nutrition, and more into personalized, real-time guidance. Whether you're preparing for a significant achievement or simply aiming to enhance your well-being, Bevel enables you to pursue your goals with clarity and confidence.Based in the vibrant city of New York, we are a dedicated, nimble team passionate about crafting visually appealing and highly functional products. Our quest is to explore innovative approaches that enhance the capabilities of iOS and watchOS, creating an application that is intelligent, engaging, and seamlessly integrated into our users' daily lives.Since our launch in early 2024, we have been fortunate to experience remarkable growth and support from our community. We are now seeking a Senior iOS Engineer to help us realize our ambitious roadmap. This role offers the opportunity to influence the future of Bevel, granting you full ownership and creative freedom to contribute significantly to our vision.

The Senior iOS Engineer will be pivotal in driving innovative projects for Lab49's esteemed clients. Collaborating within a dynamic and creative project team, you will engage directly with clients, allowing you to leverage your technical expertise to craft cutting-edge applications that address complex challenges while boosting efficiency and productivity for our high-profile clients.

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.

About UsCredit Genie is an innovative, mobile-first financial wellness platform dedicated to empowering individuals to take charge of their financial futures. Utilizing advanced artificial intelligence, we deliver personalized insights while creating a comprehensive financial ecosystem that offers instant access to cash and tools for building credit. Our mission is to help every customer achieve long-term financial stability.Founded in 2019 by Ed Harycki, the former founder of Swift Capital (which was acquired by PayPal in 2017), we are backed by Khosla Ventures and led by experts from industry giants such as PayPal, Square, and Cash App. We are strategically positioned to shape the future of inclusive finance through cutting-edge technology and customer-centered solutions.We are seeking a passionate and skilled Senior iOS Engineer to architect and enhance our mobile applications as we prepare for significant growth over the next 2-3 years. The ideal candidate will have a proven track record in leading the development of high-quality, stable, and low-latency mobile applications.If you are enthusiastic about creating exceptional iOS applications and are eager to tackle the challenges of integrating new products and features, we would love to have you on our team. As a Senior iOS Engineer, you will take ownership of critical components of our mobile app while collaborating with cross-functional teams to ensure that our application scales and evolves to meet the demands of millions of users.Your ResponsibilitiesCollaborate with designers, product managers, and engineering teams to architect new products and define an engaging user experience that seamlessly integrates with our iOS mobile app.Leverage your expertise in iOS mobile app development to enhance team practices, design patterns, deployment processes, and overall customer experience.Engage with stakeholders from product, marketing, and other departments to align initiatives with KPIs and business objectives.Develop clean, efficient, and reusable code for app design, features, components, and integrations.Contribute to all stages of the development lifecycle, ensuring high standards and smooth transitions.Participate in best engineering practices including code reviews, daily stand-ups, planning sessions, and technology demonstrations.Stay updated on emerging technologies and industry trends, assessing their potential to enhance the Credit Genie product suite and maintain our competitive advantage.

About FernFern empowers software companies to create exceptional API experiences. Our impressive clientele includes industry giants such as Nvidia, Square, and Twilio, alongside innovative AI startups like ElevenLabs and OpenRouter.As we look to the future, AI agents will dominate API integrations. These agents require robustly defined schemas, structured endpoints, and reliable documentation that can seamlessly integrate into their workflows.Our small, highly talented team consists of former builders from leading companies like Google, Palantir, Amazon, and Uber, collaborating from our office in Williamsburg, Brooklyn. Recently, we were acquired by Postman, granting us access to a vast user base of 40 million while preserving our startup agility and innovation.About the RoleAs the Engineering Manager for SDKs at Fern, you will spearhead a dynamic team of engineers dedicated to enhancing Fern's compiler and code generation infrastructure. This role demands a blend of technical and people leadership to ensure high-quality execution and team well-being, while remaining closely connected to our codebase and customer needs (see SDKs in production).You will oversee a team of 6-12 engineers, directly reporting to the VP of Engineering and working on-site in our Brooklyn office.Lead and cultivate a high-performing team: Mentor and develop a team of high-slope engineers as we scale. You will establish clear expectations, provide technical guidance, and collaborate with Staff Engineers to define our technical roadmap.Develop AI-centric platform capabilities: Create a user-focused SDK engineer agent that disseminates custom code modifications across various programming languages, ensuring consistency for major clients like Square, Auth0, and Twilio.Embrace your role as a technical leader: This position is a true player-coach role where you will review code, influence system architecture, and guide sound technical decisions throughout our stack. You will actively write code alongside the team.

Join Packz as a Senior iOS EngineerPackz is a premier gamified collectibles platform that allows users to open digital packs and receive physical trading cards, with options for instant resale or home delivery. In just six months post-launch, we've seen over $15 million in packs opened and tens of thousands of cards shipped. Backed by top-tier investors with a history of supporting successful brands like DraftKings and StockX, we are poised to redefine the collectibles market.Our web product has gained significant traction since its October launch, and our iOS app is set to debut this month. Joining our small, dynamic team offers a unique opportunity to contribute to a rapidly growing sector valued at over $100 billion.Key ResponsibilitiesTake ownership of critical components in the Packz iOS app, from technical design to deployment and iterative improvement.Enhance key user experiences related to pack discovery, purchasing, opening, collection, wallet management, redemption, and user retention.Make informed architectural decisions that enhance app performance, reliability, and maintainability.Develop high-quality Swift code while creating polished, production-ready interfaces using SwiftUI and current iOS frameworks.Leverage AI-assisted tools to streamline development processes and boost code quality.Collaborate with founders, designers, backend engineers, and other team members to transform product ideas into exceptional mobile experiences.Elevate quality standards through rigorous code reviews, debugging, and meticulous attention to detail.Continuously improve the efficiency of iOS development practices, including tools, patterns, and workflows.

Company OverviewCredit Genie is a pioneering mobile-first financial wellness platform dedicated to empowering individuals to take control of their financial destinies. Utilizing advanced artificial intelligence, we provide tailored insights and are developing a comprehensive financial ecosystem that offers quick access to cash and credit-building tools. Our mission is to enable every customer to achieve sustainable financial stability.Founded in 2019 by Ed Harycki, the former founder of Swift Capital (acquired by PayPal in 2017), we are backed by Khosla Ventures and led by experts from esteemed companies such as PayPal, Square, and Cash App. We are strategically positioned to carve the future of inclusive finance through innovative technology and customer-focused solutions.Position OverviewWe are in search of a Senior iOS Engineer to spearhead the architecture of our mobile applications as we prepare for significant growth over the next few years. The ideal candidate will have a proven track record in leading the design and development of high-quality, stable mobile apps with minimal latency.If you are passionate about creating exceptional iOS applications and eager to tackle the challenge of integrating new products and features, this role is perfect for you. As a Senior iOS Engineer, you will play a crucial role in developing key components of our mobile app as we venture into new product domains. You will collaborate closely with cross-functional teams to ensure our mobile app scales effectively to meet the demands of millions of users.Key ResponsibilitiesWork collaboratively with designers, product managers, and engineers to architect innovative products and define engaging user experiences within the iOS mobile app.Provide expertise in iOS mobile app development, enhancing the team’s practices, design patterns, deployment processes, and overall customer experience.Collaborate with stakeholders across product, marketing, and other departments to align initiatives with our KPIs and business goals.Write clean, readable, and reusable code for app designs, features, components, and integrations.Contribute throughout all phases of the development lifecycle.Engage in standard engineering practices including code reviews, stand-ups, planning meetings, and product/technology demonstrations.Stay updated on emerging technologies and industry trends, assessing their potential to improve the Credit Genie product suite.

Join our innovative team at aura as a Senior iOS Engineer, where you will play a pivotal role in designing and developing cutting-edge mobile applications for our users. Your expertise in Swift and Objective-C will help us deliver high-quality experiences, while your passion for technology and user-centric design will guide our development process.This position offers a unique opportunity to work in a collaborative environment, contributing to exciting projects that impact our community and enhance user engagement.

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.