Apply

Sage Labs AI

Full-time|On-site|San Francisco

Join our team at Sage Labs AI as a Senior Mobile Developer specializing in React Native. We are on a mission to revolutionize online shopping with our innovative app, GOLD, an AI-powered shopping assistant that enhances user experiences.As a pivotal member of our engineering team, you will lead the design and development of our flagship iOS app while collabo…

Oct 3, 2025

Apply

Senior Mobile Engineer - React Native at getpoint | San Francisco

getpoint

Full-time|On-site|SF

Join Point as a Senior Mobile Engineer and be part of a pioneering team dedicated to creating a modern and aspirational banking experience. Our mission is to enhance the everyday debit card by integrating rewarding benefits and features that elevate financial transactions.To learn more about our dynamic team and vibrant culture, please explore here.

May 30, 2019

Apply

React Native Software Engineer

Air Apps

Full-time|On-site|San Francisco

Join Us at Air AppsAt Air Apps, we are driven by the vision to think bigger and act faster. As a family-founded organization, our mission is to revolutionize personal and entrepreneurial planning through our pioneering AI-powered Personal & Entrepreneurial Resource Planner (PRP). We seek your passion and ambition to help us transform the way individuals plan, work, and live. Established in Lisbon, Portugal in 2018, and now with vibrant offices in both Lisbon and San Francisco, we have achieved over 100 million downloads globally while remaining self-funded.Our commitment to long-term innovation challenges the status quo daily, enabling us to push the boundaries of AI-driven solutions that truly make a positive impact. Here, you will be a creative catalyst, shaping products that empower people worldwide.Embark with us on this exciting journey to redefine resource management and transform lives along the way.Position OverviewWe are in search of a React Native Engineer to become an integral part of our team and assist in the development and maintenance of our dynamic mobile applications. Collaborating closely with designers, product managers, and fellow developers, you will craft high-performance applications that captivate our users. Your expertise will be vital in fostering innovation and ensuring that our apps adhere to the highest standards of quality and usability.Please be advised that this posting aims to enrich our talent pool as we prepare to formally launch the position. We will reach out to you as soon as the official job is posted.

Feb 25, 2025

Apply

Senior Staff Software Engineer (React Native)

VSCO

Full-time|$230K/yr - $260K/yr|On-site|San Francisco, California

About VSCO VSCO (pronounced vis–co) is an innovative platform empowering photographers with essential tools, a vibrant community, and exposure to enhance their creative and professional journeys. We foster a genuine and inspiring environment for photographers at every level, ensuring a space for creative opportunities, inspiration, and connections. Our mission is to support photographers in their endeavors, enabling them to connect with fellow creatives and businesses through a comprehensive suite of creative tools available on mobile and desktop, across our global community. We seek individuals who are motivated and take initiative to elevate our company mission. At VSCO, employees have the chance to make a significant impact, believing that collaboration leads to stronger outcomes than working in isolation. Our core values are foundational to our team culture and influence our hiring practices. Discover more about what it’s like to work at VSCO on our Careers Page. About The Role If you are passionate about React Native development and eager to be part of a dynamic team of creators, we invite you to apply for this role and assist us in empowering creators globally. At VSCO, you will collaborate with talented individuals who share your enthusiasm for innovation and creativity. We are constructing a comprehensive ecosystem of tools for photographers, enhancing our existing offerings while also creating new tools and services. This pivotal role will help define and advance our vision, shaping how our users create, connect, and earn. Join us in influencing the future of mobile, desktop, and web technologies, making a meaningful impact on the global creative community. As a Staff Engineer, you are fundamentally a technologist. You'll engage directly with the team in coding, solving complex problems, and staying updated with the latest technologies. However, your influence extends beyond individual contributions. You will serve as a technical leader, guiding the team through intricate challenges, advocating for best practices, and anticipating future developments to keep the team ahead of the curve. You will consider scalability, long-term maintainability, and future features even while the team is focused on current deliverables. You will mentor engineers, elevate quality standards, and enable the success of others. The Day to Day Lead the development of high-quality, scalable React Native applications while promoting rigorous testing, robust CI practices, and high standards throughout the codebase. Actively engage in coding and problem-solving alongside the team. Mentor junior engineers and foster a collaborative learning environment. Stay abreast of industry trends and best practices.

Mar 27, 2026

Apply

Senior Frontend Engineer (Mobile) at Sleeper | San Francisco Area

Sleeper

Full-time|$180K/yr - $235K/yr|Remote|San Francisco Area, United States Remote

About Sleeper:Sleeper is a dynamic and rapidly growing platform dedicated to transforming the fantasy sports and gaming experience for sports enthusiasts. Initially focused solely on NFL fantasy football, we have diversified our offerings over the past decade to include NBA, LCS, and soccer. With our innovative Sleeper Picks feature, users engage in real-money Daily Fantasy Sports (DFS) by predicting player performances based on projections from trusted third-party sources. As pioneers in the sports gaming sector, we are proudly backed by some of Silicon Valley's leading investors.Role Overview:We are on the lookout for a talented and forward-thinking Senior Frontend Engineer to enhance our team. At Sleeper, we recognize that exceptional and imaginative individuals can effectuate change and create remarkable products, regardless of their technological background. In this role, you will be instrumental in the development of our mobile and web applications, ensuring scalability, reliability, and top-notch quality that will benefit millions of dedicated users daily.Our mobile platform, built on React Native, has been modernized with TypeScript and features top industry packages like react-query, react-navigation, and reanimated. We seek an experienced developer to contribute their expertise in refining our product, introducing new features, enhancing quality, and delivering lightning-fast performance to our vast user base.Responsibilities:Collaborate with design teams to gather user requirements and translate them into detailed technical specifications for our products.Craft clean, maintainable, and efficient code using React Native, TypeScript, and associated libraries (e.g., React Query, Navigation, Reanimated).Create reusable UI components and establish a well-organized component hierarchy within the application.Implement user interface (UI) functionality and logic utilizing React features such as state management, props, hooks, and lifecycle methods.Integrate frontend components with backend services through APIs (RESTful or GraphQL).Diagnose and resolve complex performance issues, socket connections, data caching, and more.Stay informed on the latest developments in React, best practices in mobile development, and accessibility standards.Who You Are:A highly motivated individual with a passion for frontend development and a knack for problem-solving.

Dec 1, 2025

Apply

Mobile Engineer

Anything

Full-time|On-site|San Francisco

About AnythingAnything is revolutionizing how entrepreneurs develop applications with our cutting-edge AI product. Our platform transforms English commands into fully functional apps, encompassing everything needed to monetize online ventures—mobile, web, design, AI, backend, infrastructure, and payment solutions. Since our launch on August 7th, we have achieved a remarkable $5 million in revenue and continue to grow rapidly. Discover more at anything.com.Role OverviewWe are seeking a talented and experienced Mobile Engineer who is passionate about crafting exceptional mobile experiences. Collaborating closely with our design team, you will help shape the user experience through your innovative coding solutions. Your vision of a “superior” mobile experience will guide your work, and you will have the autonomy to bring that vision to life.ResponsibilitiesExecute pixel-perfect implementations of design specificationsDevelop intuitive gestures to enhance user engagementBalance considerations of speed, accuracy, and long-term sustainabilityEngage with users and utilize the product to identify real-world needs and opportunitiesEmbrace challenging tasks to expand your skill set rapidlyFoster a culture of ownership, ambition, and continuous learningOur approach to mobile coding is pioneering, and we greatly value creativity, courage, and flexibility in revising solutions through iterative processes.Success MetricsYour performance will be evaluated based on:1. Self-sufficient problem-solving and executionYou proactively tackle goals, explore uncertainties, assess options, and deliver effective solutions independently.2. Rapid skill progressionYou broaden your technical expertise significantly within the initial months through hands-on projects and intentional learning.3. Impactful product contributionsYour features enhance user satisfaction, application performance, and overall product sophistication in quantifiable and strategic manners.Candidate ProfileIdeal candidates will possess:A solid technical base from a prestigious computer science program or equivalent practical experience with React Native applicationsDemonstrated high standards in mobile user experiencesStrong empathy towards team members and users alike

Dec 16, 2025

Apply

Frontend & Mobile Software Engineer

BitGo

Full-time|$150K/yr - $200K/yr|On-site|San Francisco, California, United States

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.

Apr 20, 2026

Apply

Senior React Developer

Bobyard

Full-time|On-site|San Francisco

Position OverviewBobyard is rapidly expanding, presenting numerous opportunities to innovate and enhance our infrastructure to meet increasing demand.As a Senior React Developer, you will enjoy significant autonomy in designing, developing, and refining products. In our fast-paced startup environment, you will become the foremost authority on the solutions you create. We seek exceptional engineers who not only have a clear vision for the product but are also capable of diving deep into coding to deliver outstanding results.Key ResponsibilitiesDevelop and sustain the entire product stack (React, Django, PostgreSQL).Architect and scale backend APIs and data models.Manage frontend architecture and optimize UI performance.Collaborate closely with product management, computer vision, and design teams to deliver integrated features.Deploy and maintain infrastructure across AWS, GCP, and Heroku.Identify and resolve production issues while enhancing system reliability.Quickly prototype, iterate, and refine features based on customer feedback.Desired QualitiesSelf-driven and adept at navigating a loosely structured environment.Strong product intuition — understanding the why behind features, not just the how.Solid understanding of web architecture and system design fundamentals.Ability to transition seamlessly between frontend and backend tasks.Quick learner, resourceful, and proactive in addressing unclear problems.Strong work ethic — this role demands dedication typical of startup environments.Organized and capable of managing multiple concurrent projects.This is a full-time, in-person position in San Francisco. Your ability to learn quickly and demonstrate commitment will be critical. If you can show us that you can deliver the products our customers need at the pace and quality the market demands, we want to hear from you.

Feb 9, 2026

Apply

Mobile Engineer at General Medicine | San Francisco

General Medicine

Full-time|On-site|San Francisco

Join General Medicine as a Mobile Engineer!At General Medicine, we are on a mission to revolutionize healthcare access. As a Mobile Engineer, you will play a pivotal role in developing and scaling our innovative healthcare store, simplifying the process of obtaining care. Our platform provides upfront pricing for virtual and in-person visits, prescriptions, labs, imaging, and more, making healthcare more transparent and accessible.Your Role:We are seeking a skilled Mobile Engineer to spearhead the creation of our inaugural native mobile application using React Native. This is a foundational position where you will take the lead in building the app from the ground up, making essential architectural decisions, and establishing frameworks that the rest of our team will utilize.Ideal Candidate:Our ideal candidate has a proven track record of shipping and maintaining React Native applications in a production environment. You should have a strong grasp of the distinctions between React Native and native iOS/Android development. Proficiency in Swift or Kotlin is essential for tasks such as HealthKit integrations, push notifications, or video calling SDKs. While your primary focus will be on TypeScript and React, you should also be open to contributing to our Next.js web frontend, as we view mobile and web as a unified experience.We value technical excellence and are looking for someone who can navigate the balance between speed and quality. Our engineers are proactive, versatile, and often engage in writing product requirements, analyzing SQL data for feature performance, and taking ownership of quality assurance. No task is too small if it contributes to delivering an exceptional product. If you thrive in ambiguous environments and are eager to collaborate closely with design, operations, and clinical teams, we want to hear from you!You don't need a healthcare background, but enthusiasm for tackling the complexities of the American healthcare system, including EHR integration and revenue cycle management, is a plus.

Feb 10, 2026

Apply

Staff Software Engineer, Mobile Architecture

Discord Inc.

Full-time|$248K/yr - $279K/yr|On-site|San Francisco Bay Area

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

Apr 29, 2026

Apply

Senior Staff Software Engineer - Android Development

XOXO AI

Full-time|On-site|South Park, SF

About UsAt XOXO AI, we are at the forefront of innovation, creating intelligent interfaces that enhance everyday life. Our team, comprised of dedicated engineers, designers, and researchers, is committed to solving unique challenges that extend beyond the workplace.With recent advancements in infrastructure, architecture, and machine learning models, we are expanding our team to include skilled builders who will help bring our vision to fruition through the development of our application layer.About the RoleWe are seeking a highly skilled Android engineer to spearhead the development of XOXO's consumer application, which features a revolutionary interface for intelligence. This position is tailored for a proactive engineer who will manage the entire mobile ecosystem, focusing on architecture, performance, refinement, and a visually captivating design system that ensures intentional user interactions.Your background is less important than your passion and drive: a commitment to high ownership, an ability to work swiftly without compromising quality, and a desire to create a mobile product that redefines excellence in craftsmanship and performance.What You’ll DoDesign and launch initial versions of our React Native application, advancing it from prototype to production.Convert a sophisticated visual design system into reusable components, animations, and interaction patterns, ensuring seamless performance.Develop new product interfaces that integrate cutting-edge AI/ML capabilities in a manner that feels intuitive on mobile devices.Enhance application performance across various dimensions: rendering, start-up speed, memory usage, battery consumption, networking, and user-perceived speed.Establish high standards for mobile engineering quality, including testing, instrumentation, and release management, collaborating closely across the tech stack to deliver end-to-end solutions.

Dec 22, 2025

Apply

Senior Android Software Engineer

XOXO AI

Full-time|On-site|South Park, SF

About UsAt XOXO AI, we are a cutting-edge research lab dedicated to creating intelligent interfaces that enhance everyday life. Our stealth team comprises passionate engineers, designers, and researchers who are committed to solving innovative challenges that extend beyond the workplace.Following a recent breakthrough in infrastructure, architecture, and model layers, we are eager to welcome talented builders to craft the interface and application layer that will realize our ambitious vision.About the RoleWe are seeking an experienced Android engineer to lead the development of XOXO's consumer app, featuring a revolutionary interface for intelligence. This position is ideal for a highly skilled engineer who can take ownership of the entire mobile experience, focusing on architecture, performance, refinement, and a visually engaging design system that ensures intentionality in every interaction.Your background is less important than your drive: you should possess a strong sense of ownership, be able to work swiftly without compromising quality, and be eager to create a mobile product that redefines excellence in both craft and performance.What You’ll DoDesign and launch the initial versions of our React Native app, guiding it from prototype to production.Convert a highly visual design system into reusable components, motion, and interaction patterns with seamless performance.Develop new product surfaces that integrate modern AI/ML capabilities in a user-friendly manner on mobile.Enhance the app's performance across various dimensions: rendering, startup time, memory usage, battery efficiency, networking, and perceived speed.Establish high standards for mobile engineering quality (testing, instrumentation, release discipline) and collaborate closely across the tech stack to deliver comprehensive solutions.

Dec 22, 2025

Apply

Founding Product Engineer, Mobile at Known | San Francisco

Known

Full-time|$150K/yr - $200K/yr|On-site|San Francisco, CA

Join Known as a Founding Product EngineerLocation: San Francisco, CA (In-Person)Compensation: $150,000 - $200,000 + EquityAt Known, we're redefining how humans connect by utilizing advanced AI technology. Our mission is to enrich lives by fostering authentic connections, guided by the stories our users share.Our users engage deeply with our AI voice agent, averaging 27 minutes of conversation, allowing us to gather profound insights into their lives.Our engineering team consists of innovators who have previously developed some of the most popular AI-driven consumer products such as Uber, Uber Eats, Afterpay, and Cash App.We thrive in a collaborative in-person environment located in Cow Hollow, San Francisco, where hard work and autonomy are highly valued.About the RoleWe are in search of exceptional product engineers to further enhance the Known mobile application. Your role will involve a strong design focus as we aim to be the Apple of dating. Our engineers are meticulous artisans dedicated to quality, as we prioritize a product that is both intentional and distinctly human-centered.You may be a great fit if youHave a primary focus as a React Native engineerHave experience building products with intricate audio and voice functionalitiesAspire to create technology that facilitates a million marriagesExhibit a high level of attention to detailOur InvestorsWe are proudly backed by renowned investors including Eurie Kim and Kirsten Green from Forerunner Ventures (the minds behind Decagon, Faire, and Oura), as well as NFX and PearVC.

Jan 14, 2026

Apply

iOS Software Engineer

xoxo-ai

Full-time|On-site|South Park, SF

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.

Dec 22, 2025

Apply

Senior Fullstack Engineer (Ruby / Python / React) at crewAI

crewai

Full-time|Remote|San Francisco, California, United States

Join our innovative team at crewAI as a Senior Fullstack Engineer. In this pivotal role, you will help propel the crewAI+ platform forward, a robust Ruby on Rails application that integrates Python services. Your expertise in both backend and frontend development will be essential for ensuring seamless functionality and high performance. We are looking for a proactive individual with a solid background in Ruby, Python, and React who thrives in a collaborative, dynamic environment.

Mar 31, 2026

Apply

Senior Mobile Engineer at Airwallex | San Francisco

Airwallex

Full-time|On-site|US - San Francisco

Join Airwallex as a Senior Mobile EngineerAt Airwallex, we are redefining the future of global payments and financial solutions. As a Senior Mobile Engineer, you will play a pivotal role in shaping our state-of-the-art mobile applications for both iOS and Android platforms, focusing on delivering an outstanding user experience.Your expertise will drive the development of fully integrated solutions that empower over 200,000 businesses worldwide to efficiently manage their global payments, expenses, and banking needs. You will work with cutting-edge technologies such as SwiftUI, Combine, and Async/Await for iOS, and AndroidX, Coroutines, Hilt, along with various Jetpack libraries for Android.Join a dynamic team of innovators who are passionate about building the future of finance. If you are eager to tackle complex challenges, collaborate with exceptional teammates, and take ownership of your work, we want to hear from you!

Mar 26, 2026

Apply

Senior Solutions Engineer - Digital Native

Cloudflare, Inc.

Full-time|On-site|In-Office

Join Cloudflare as a Senior Solutions Engineer specializing in Digital Native solutions. In this pivotal role, you will collaborate with cross-functional teams to design, implement, and optimize innovative solutions for our clients in the digital space. Your expertise will help drive the adoption of Cloudflare’s suite of products, ensuring a seamless integration that enhances performance and security.

Mar 2, 2026

Apply

Senior Mobile Software Engineer

Quizlet

Full-time|On-site|San Francisco, CA

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.

Sep 14, 2025

Apply

Technical Lead Mobility Developer (RhoMobile)

stemxpert1

Full-time|On-site|San Francisco

Join our innovative team at stemxpert1 as a Technical Lead Mobility Developer specializing in RhoMobile. In this pivotal role, you will lead the development of cutting-edge mobile applications while collaborating with cross-functional teams to ensure the highest quality of software solutions.

Mar 4, 2014

Apply

Senior Sales Manager, Digital Native Named

Cloudflare, Inc.

Full-time|Hybrid|Hybrid

Join Cloudflare as a Senior Sales Manager, where you will play a pivotal role in driving our sales strategy for Digital Native Named accounts. In this dynamic position, you will lead a team of sales professionals, ensuring that we meet and exceed our revenue targets while providing exceptional service to our clients.Your expertise will help identify market opportunities, strengthen client relationships, and foster an innovative sales culture. This hybrid role allows you to work both in-office in San Francisco and remotely, providing flexibility in your work environment.

Feb 26, 2026

Senior Mobile Engineer at Airwallex | San Francisco

Experience Level

Qualifications

About the job

Join Airwallex as a Senior Mobile Engineer

About Airwallex

Similar jobs