Mobile Software Engineer

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.

Join our dynamic team at Reteam as a Mobile Software Engineer in San Francisco, where innovation meets technology. We are looking for a passionate engineer to contribute to our mobile applications and enhance user experiences.In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-quality mobile solutions.Key ResponsibilitiesDevelop and maintain mobile applications for both iOS and Android platforms.Collaborate with UX/UI designers to implement user-friendly interfaces.Optimize applications for maximum speed and scalability.QualificationsProficiency in Swift and Kotlin.Experience with mobile frameworks and libraries.Strong problem-solving skills and attention to detail.If you're ready to take on exciting challenges and grow your career in mobile development, we want to hear from you!

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 our dynamic team at Sonsoft Inc. as an Android Architect. In this pivotal role, you will lead the design and development of innovative Android applications that enhance user experiences. Your expertise will guide our mobile development efforts, ensuring that our applications are not only functional but also scalable and maintainable.As an Android Architect, you will collaborate closely with cross-functional teams, including UX/UI designers, product managers, and backend developers, to create seamless integration between frontend and backend services. This is an exciting opportunity to shape our mobile strategy and mentor junior developers.

About UsAt Sierra, we are on a mission to revolutionize customer experiences through innovative AI solutions. Based in the vibrant city of San Francisco, our company is expanding its reach with offices in Atlanta, New York, London, France, Singapore, and Japan, promoting a collaborative and inclusive workplace.We uphold a strong set of core values that define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles guide our actions and drive us to consistently deliver exceptional results.Our co-founders, Bret Taylor and Clay Bavor, bring a wealth of experience from their previous roles at industry-leading companies such as Salesforce and Google, shaping the future of technology with their visionary leadership.The RoleWe are seeking a talented Mobile Software Engineer with expertise in iOS and/or Android development to take ownership of our Experience SDKs—the essential components that allow clients to seamlessly integrate Sierra’s chat and voice functionalities into their mobile applications.As the technical lead for mobile development at Sierra, you will oversee the user interface, animations, voice interactions, performance enhancements, and deep OS integrations, collaborating closely with design and frontend teams to ensure a cohesive and delightful mobile experience.What You’ll DoManage our Mobile Experience SDKs for iOS and Android. Spearhead the architecture, implementation, and ongoing development of our native SDKs, making the integration process effortless for other engineers and providing an exceptional user experience.Enhance OS-level interactions. Leverage platform-native capabilities to improve functionalities such as notifications, background execution, audio routing, app extensions, and deep links, ensuring that our agents feel seamlessly integrated within each platform.Create outstanding mobile interfaces. Collaborate with designers and engineers to develop visually appealing and highly functional mobile user interfaces that elevate the overall user experience.

About LeonaAt Leona, we are dedicated to revolutionizing healthcare access and empowering individuals to take proactive control of their health. Our ambition is to change the global healthcare landscape, ensuring that everyone can receive top-notch care regardless of their location. Patients should feel confident and supported in managing their health, while doctors can focus on delivering exceptional care with reduced administrative burdens.We are paving the way for a new era of doctor-patient interactions through our innovative platform that utilizes WhatsApp for seamless communication. Our solution acts as a clinical assistant, automating non-urgent tasks and providing patients with 24/7 access to their healthcare providers.Headquartered in San Francisco and Mexico City, our diverse team boasts extensive experience from industry leaders like Rappi, Uber, and Modern Fertility, backed by esteemed investors such as General Catalyst and Accel.If you are eager to learn, innovate, and contribute to a transformative startup environment, we invite you to explore this exciting opportunity!

Are you ready to make a significant impact in the tech world?West Monroe is on the lookout for a Senior Architect in Software Engineering to become an integral part of our Technology and Experience (TechEx) practice. We specialize in enhancing the technology stack of our clients, from developing innovative customer-facing software to integrating sophisticated platforms and harnessing actionable data. Our engineering teams are dedicated to implementing cutting-edge architectural practices, cloud solutions, and industry insights to create software that is not only intelligent but also impactful.In your role as a Senior Architect Software Engineer within our Technology and Experience practice and Software Engineering discipline, you will collaborate with our clients to devise strategies, design, and develop customized software products. This includes modernizing legacy applications, creating contemporary integration platforms, and developing intelligent products and agents utilizing AI technologies, including machine learning.

Join West Monroe as an Advisory Architect in our Technology & Transformation Services (TTS) team. In this role, you will leverage your software architecture expertise to guide clients through their digital transformations. You will be responsible for designing innovative solutions that align with our clients' strategic objectives, ensuring that technology serves as a catalyst for business success.

Discord is a platform that connects over 200 million individuals monthly for a variety of activities, but one of the most popular uses remains to play video games. With more than 90% of our users engaging in gaming, they collectively spend 1.5 billion hours each month enjoying thousands of unique titles through Discord. As a pivotal player in the gaming landscape, we are dedicated to enhancing the social experience of gaming, making it seamless and enjoyable for users to connect before, during, and after gameplay.We are seeking a talented Senior Software Engineer to join our Mobile Architecture team, where you will be instrumental in creating the technical backbone that supports Discord’s mobile applications for millions of users around the globe.Your work will focus on performance-critical systems leveraging React Native, with the aim of providing an unparalleled mobile experience that feels immediate and responsive. Our aspiration is to develop products that captivate our users—functional, reliable, user-friendly, and delightful, with performance as a central element.

airapps seeks a Software Architect to join the team in San Francisco. This position plays a central role in shaping product architecture and setting technology direction. The architect works to ensure that software solutions are designed for scalability and meet the needs of clients. Key responsibilities Lead the architectural design and set technical direction for both new and existing software products Collaborate with engineering teams to develop solutions that perform reliably and scale effectively Define and refine technology strategy across multiple projects Work closely with stakeholders to align technical decisions with client requirements Location This role is based in San Francisco.

Discord connects more than 200 million users each month, offering a platform designed to enhance the gaming experience. With a community deeply engaged in gaming, over 90% of users play various titles, adding up to 1.5 billion hours of gameplay monthly, the company is dedicated to making it easy for players to interact and enjoy their gaming journeys. Role overview The Staff Software Engineer, Mobile Architecture will help define the technical direction for Discord’s mobile apps on iOS and Android. This role centers on optimizing performance-critical systems using React Native, aiming to deliver a seamless and responsive mobile experience. What you will do Shape the architecture and long-term vision for Discord's mobile platforms Lead technical strategy and address complex engineering challenges Mentor engineers within the mobile team Focus on improving functionality, reliability, and performance across mobile applications Requirements Experience with mobile development on iOS and Android Strong background in React Native Ability to guide technical decisions and mentor fellow engineers Proven track record of optimizing performance-critical systems

At Bugcrowd, we are at the forefront of modern security solutions. Since our inception in 2012, we have empowered organizations to regain control in the ever-evolving landscape of cyber threats. By leveraging the collective intelligence and expertise of our valued customers alongside a trusted alliance of elite hackers, we utilize our patented data and AI-powered Security Knowledge Platform™. Our extensive network of hackers adapts quickly to identify hidden vulnerabilities, ensuring robust defenses against even zero-day exploits. With our innovative CrowdMatch™ technology, we match the right talent to meet your unique security challenges. Join us in pioneering a new era of crowdsourced security at Bugcrowd. For more information, visit www.bugcrowd.com. Our offices are located in San Francisco and New Hampshire, supported by renowned investors such as General Catalyst, Rally Ventures, and Costanoa Ventures.Job SummaryWe are looking for a talented and experienced Software Architect to lead the design, implementation, and optimization of cloud-native platforms that power our modern API-driven systems and microfrontend applications. In this role, you will establish architectural standards, spearhead cloud-native design initiatives, and collaborate closely with frontend and platform teams to ensure seamless integration between microservices, APIs, and microfrontends.The ideal candidate will possess extensive knowledge of cloud security best practices, infrastructure-as-code (IaC), and the optimization of distributed, high-availability, fault-tolerant systems that form the backbone of our industry-leading crowdsourced security platform. You will play a critical role in shaping our cloud strategy and ensuring that our infrastructure scales securely and efficiently to meet the demands of our global clientele.

About Quizlet:At Quizlet, we are dedicated to empowering every learner to reach their goals in the most effective and enjoyable manner. Our learning platform, valued at over $1 billion, supports millions of students each month, including two-thirds of U.S. high school students and half of U.S. college students, facilitating more than 2 billion learning interactions monthly.We combine cognitive science with advanced machine learning techniques to personalize and improve the educational experience for students, professionals, and lifelong learners. Our passion lies in maximizing learner engagement through diverse approaches and innovative tools.Let’s Innovate the Future of LearningJoin us in crafting and delivering AI-driven learning tools that transcend borders and unlock human potential.About the Team:The Mobile Study team at Quizlet, located in San Francisco, is dedicated to providing the optimal studying experience for millions of learners around the globe. Our team develops and enhances essential mobile features that make Quizlet a trusted learning ally—ranging from flashcards and practice modes to AI-enhanced study experiences. We work collaboratively with various teams within the mobile organization, backend services, design, and product teams to ensure seamless, high-quality learning experiences on both iOS and Android platforms.About the Role:We are in search of a Senior Software Engineer to become a vital member of our Mobile Study team at Quizlet. In this role, you will be instrumental in developing our iOS and Android applications, enhancing the study features that millions of students rely on to learn effectively with Quizlet. You will play a key role in shaping the core functionalities that keep learners engaged and thriving.You will collaborate closely with engineers, designers, and product managers to deliver high-quality mobile experiences. This position offers you the chance to influence technical direction, contribute to architectural decisions, and mentor fellow engineers while steering projects from concept to launch. We are seeking someone who is enthusiastic about crafting intuitive, high-performing, and dependable mobile experiences that truly make a difference for learners worldwide.We are pleased to inform you that this is an onsite position at our San Francisco office. To promote team collaboration, we require employees to be present in the office a minimum of three days per week: Monday, Wednesday, and Thursday, as needed by your manager or the company. We believe this environment fosters enhanced work efficiency, teamwork, and supports personal and organizational growth.

BitGo develops infrastructure for digital assets, offering solutions for custody, wallets, staking, trading, financing, and settlement. Since 2013, the company has supported institutions and retail investors worldwide, managing a significant portion of Bitcoin transactions and providing independent custody and staking services. BitGo operates globally and serves a broad client base, including exchanges and major brands. Role overview The Frontend & Mobile Software Engineer position is a full-time, onsite role based in San Francisco, California. This role emphasizes regular in-person collaboration to foster teamwork and drive innovation within the office. What you will do Develop and enhance cross-platform mobile applications for BitGo users. Use React or React Native to create a seamless and intuitive user experience. Support projects that power BitGo’s digital asset products and services. Requirements Proven experience with React or React Native. Interest in building mobile and frontend features that improve user experience. Ability to work onsite with the team in San Francisco. Learn more about BitGo at www.bitgo.com.

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 Inkitt as we revolutionize the entertainment industry! We are creating the Disney of the 21st Century by harnessing the power of AI and predictive algorithms to uncover hidden stories and transform them into blockbuster hits. With a new $1M ebook released every 4 weeks, we deliver directly to consumers through our innovative Galatea app. As the 11th most successful publisher globally, we have a hit-rate 40 times greater than traditional publishers. Backed by renowned VCs like Khosla, Kleiner Perkins, and NEA Ventures, our recent foray into CandyJarTV marks just the beginning of our journey to become a next-gen entertainment powerhouse.

As a Forward Deployed Architect at endeavorai, you will play a pivotal role in designing and implementing cutting-edge solutions for our clients. Your expertise will ensure that our technology aligns seamlessly with their business needs, driving innovation and efficiency.

About Quizlet:At Quizlet, we are dedicated to empowering learners to achieve their goals through our innovative learning platform. With a valuation exceeding $1 billion, we engage tens of millions of students each month, including two-thirds of U.S. high school students and half of U.S. college students, facilitating over 2 billion learning interactions monthly.Our approach combines cognitive science with cutting-edge machine learning technologies to create personalized and enriched learning experiences for students, professionals, and lifelong learners. We are driven by the opportunity to support more learners through diverse methodologies and tools.Let’s Build the Future of LearningJoin our mission to design and implement AI-driven learning tools that scale globally and unleash human potential.About the Team:The Quizlet Mobile team is committed to being the leading force in digital learning on mobile platforms. Our team develops and enhances the essential mobile functionalities that make Quizlet a reliable learning partner, covering everything from flashcards and practice modes to AI-enhanced study experiences. We work collaboratively with the wider mobile organization, backend services, design, and product teams to provide seamless, top-quality learning experiences on both iOS and Android devices.About the Role:We are on the lookout for a Staff Engineer to join one of our Mobile teams in San Francisco. In this role, you will lead a team that shapes the core functionalities crucial for keeping learners engaged and successful.You will collaborate closely with engineers, designers, and product managers to deliver exceptional mobile experiences. Your responsibilities will include influencing technical direction, steering architectural decisions, and mentoring fellow engineers while overseeing projects from conception to launch. We seek an individual passionate about crafting intuitive mobile experiences.We are pleased to announce that this is an onsite position at our San Francisco office. To foster teamwork, we require employees to be present in the office a minimum of three days per week: Monday, Wednesday, and Thursday, or as directed by your manager or the company. We believe this arrangement enhances work efficiency, team collaboration, and supports both individual and organizational growth.

Join Air Apps as a Software ArchitectAt Air Apps, we are pioneers in redefining personal and entrepreneurial resource management through cutting-edge AI technology. Founded in 2018 in Lisbon, Portugal, and now with a vibrant office in San Francisco, we have achieved over 100 million downloads globally, all while being self-funded. Our mission is to revolutionize how people plan, work, and live, and we are seeking passionate individuals to help us make this vision a reality.As part of our dynamic team, you will have the opportunity to challenge the status quo, pushing the boundaries of AI-driven solutions that make a genuine difference in people's lives.Join us on this exciting journey to transform resource management and positively impact lives around the world.Your RoleAs a Software Architect at Air Apps, you will take charge of defining and overseeing the system architecture for our innovative AI-powered platform. Collaborating with engineering teams, product managers, and stakeholders, you will design robust, scalable, and secure solutions that meet our business objectives.You will play a pivotal role in shaping our technology strategy, evaluating and recommending tools and frameworks, and ensuring adherence to best practices in software design and system integration.Key ResponsibilitiesDefine and maintain the overall architecture and system design for efficient software solutions.Provide technical leadership to engineering teams, guiding them in architecture and coding best practices.Design and document high-level system diagrams, data flows, and API structures.Evaluate and recommend technologies, frameworks, and cloud services for optimal performance and cost-efficiency.Ensure high availability, fault tolerance, and security across all architectural decisions.Oversee system integrations, including microservices, APIs, and third-party services.Collaborate closely with DevOps and SRE teams to ensure seamless deployment and operational reliability.Establish coding and architecture standards to guarantee maintainability and scalability.