Frontend and Mobile Software Engineer

BitGo delivers digital asset infrastructure, offering custody, wallets, staking, trading, financing, and settlement services. The company operates on secure, regulated cold storage and supports both institutions and retail investors worldwide. BitGo manages a global network of Trust companies and processes a significant portion of Bitcoin transactions. As th…

About Glean:Founded in 2019, Glean is a groundbreaking AI-driven knowledge management platform that empowers organizations to swiftly locate, organize, and share information across teams. By seamlessly integrating with tools such as Google Drive, Slack, and Microsoft Teams, Glean enables employees to access essential knowledge promptly, enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, allowing teams to harness their collective intelligence more efficiently.The company was established by Founder & CEO Arvind Jain, who recognized the challenges employees face in navigating fragmented knowledge and an array of SaaS tools that hinder productivity. He envisioned an improved solution: an AI-powered enterprise search platform designed to facilitate intuitive access to critical information. Since its inception, Glean has transformed into a leading Work AI platform, merging enterprise-grade search capabilities, an AI assistant, and robust application development functionalities to fundamentally enhance the way employees operate.About the Role: Glean is in search of innovative engineers to develop attractive, seamless user-facing features within a contemporary React and TypeScript framework. In this fast-paced startup environment, you will collaborate closely with product designers to strike the perfect balance between constraints and requirements, delivering top-notch user interfaces that function flawlessly on both mobile and desktop browsers. Additionally, you will establish frontend infrastructure to facilitate rapid experimentation and development. Your Responsibilities:Create engaging user interfaces using React.js in partnership with talented product designers and backend engineers.Manage the complete lifecycle of your features from conception to deployment and beyond.

Join us in transforming healthcare.At Qualified Health, we are at the forefront of revolutionizing healthcare through Generative AI. Our innovative infrastructure ensures safe AI governance, healthcare-specific agent creation, and real-time algorithm monitoring, collaborating with leading health systems to effect genuine change.This role is more than a job; it’s a chance to influence the future of AI in healthcare, tackle complex challenges, and significantly enhance patient care. If you are driven, creative, and eager to make an impact, we want you on our team.Help us shape the future of healthcare.Position Overview:We are seeking a talented Software Engineer with exceptional frontend capabilities to enhance the user experience of our AI SaaS platform. As a vital member of our pioneering engineering team, you will play a key role in defining the user experience for our groundbreaking healthcare AI startup.Core Responsibilities:Design and implement the user experience for our AI SaaS platform, ensuring seamless integration with our infrastructure.Write clean, maintainable code utilizing modern frontend technologies.Enhance platform performance for speed and scalability.Iterate quickly based on user feedback and analytics.Engage in code reviews and contribute to overall architectural decisions.

About HarmonicHarmonic is an innovative startup pioneering the development of the world's most sophisticated mathematical reasoning engine, recently achieving Gold Medal-level performance at the 2025 International Math Olympiad (IMO). With support from leading global investors, we are strategically expanding our elite technical team to drive our ambitious mission.Role OverviewWe are seeking a passionate Frontend Software Engineer to lead the initial development of Harmonic's web-based products and marketing initiatives. In this role, you will play a key role in transforming advanced Mathematical Superintelligence into engaging and user-friendly consumer experiences while also shaping Harmonic's narrative in the digital space. We value self-motivated individuals with a proven history of delivering ambitious, impactful, and user-focused products, showcasing expertise in creating high-performance, scalable, and intuitive frontend web applications.Key ResponsibilitiesLead the comprehensive development of our web applications, guiding the technical design, implementation, and deployment of high-quality products from inception to launch.Enhance user experience by creating intuitive web interfaces and optimizing application performance.Collaborate closely with product managers, designers, and research teams to conceptualize, prototype, and develop innovative features that convert complex technological concepts into seamless user interactions.Utilize AI-driven tools (e.g., Cursor, GitHub Copilot) to streamline development processes and establish best practices in mobile engineering.Oversee the development of Harmonic’s website, engineering blog, and other marketing collateral.What We SeekExpertise in Web Development: Demonstrated success in delivering ambitious, user-centric web applications from concept to launch.Product-Centric Mindset: Strong user empathy and product intuition, with enthusiasm for creating experiences that are both impactful and delightful.Proactive and Independent: Ability to thrive in a dynamic, collaborative, and often ambiguous environment while consistently producing results.Cross-Functional Collaboration: Excellent communication skills with a proven track record of effective teamwork across product, design, and engineering disciplines.

Join a Visionary Company Transforming the FuturePalantir Technologies is at the forefront of revolutionizing software for data-centric decision-making and operational excellence. Our cutting-edge platforms harness the power of data to empower our partners in developing life-saving medications, predicting supply chain interruptions, locating missing persons, and much more.About the RoleAs a key member of Palantir's defense product team, you will be instrumental in creating mission-critical applications that support modern warfare. Our solutions provide a secure ecosystem for users to integrate, visualize, and analyze their data effectively, enabling them to build comprehensive tools such as common operating pictures, alert triaging systems, and resource allocation planners driven by advanced machine learning models. Our defense tools are essential for operational success in command centers and on battlefields across the globe.This position focuses on front-end development for our defense applications, where you will design and create user-friendly interfaces that organizations rely on daily to enhance national security. You will engage in user research to understand their requirements, identify opportunities for improvement, and collaborate with teammates to address complex UX challenges. You will tackle sophisticated technical problems, define solution designs, and incrementally deliver new features. Additionally, you will manage APIs and schemas that power your frontend code while collaborating closely with backend engineers. This role offers continuous learning opportunities in areas such as type theory, operational transforms, 2D and 3D mapping, UI design systems, high-performance graphics rendering, and optimizing software for complex user needs.Key ResponsibilitiesAs a front-end engineer for our defense products, you will be engaged throughout the entire product lifecycle—from ideation and design to prototyping, execution, and deployment.

About UsAt Newcode.ai, we are dedicated to transforming how businesses integrate AI into their everyday operations. In just a few months, we have transitioned from concept to reality by creating products that our clients genuinely appreciate. As part of our dynamic and ambitious team, you will not only influence the future of AI but also help define it.Position OverviewWe seek a passionate Frontend Engineer to join our team at Newcode.ai. You will play a pivotal role in shaping the user experience of our AI-driven solutions. Engaging directly with a modern technology stack—Next.js, React, TypeScript, Tailwind CSS, shadcn/ui, React Query, Zustand—you will breathe life into our complex AI products through seamless and high-quality interfaces.This is not just a role where you follow specifications; you will own the frontend development process, making architectural decisions and refining interaction details. If you are enthusiastic about experimenting with new tools, have a keen eye for craftsmanship, and desire to build a product from scratch, this is the ideal opportunity for you.Collaboration is key; you will work closely with product and backend teams, significantly influencing both the design and architecture of our frontend stack. We value initiative and encourage every team member to contribute to shaping the product and leaving a lasting impact.

Join a Transformative OrganizationAt Palantir, we craft advanced software designed for data-centric decision-making and operations. Our platforms empower partners to create life-saving drugs, anticipate supply chain issues, locate missing individuals, and much more by connecting the right data to the right people.Position OverviewAs a Software Engineer focused on Core Interfaces, you'll be instrumental in developing applications that enable our clients to organize, analyze, and make informed decisions using their data. Our applications serve diverse roles within organizational workflows, leading users to operate multiple applications simultaneously with seamless integration. While backend services manage much of this coordination, creating a fast and responsive experience requires effective client-side frameworks that interact directly through the browser. This task is uniquely challenging; each Palantir application has distinct functionalities and user experience concepts, necessitating frameworks that integrate smoothly. Success in this role demands exceptional API design skills and a sharp eye for user experience.The frontend frameworks you will develop will support various functions across Palantir's application ecosystem. Some frameworks will integrate deeply with the Palantir Ontology, a foundational schema for defining objects and their relationships. These frameworks facilitate real-time data synchronization across applications; for instance, selecting an Ontology object on a map will instantaneously update related data in another application. Other frameworks will function independently of the Ontology, allowing applications to define custom behaviors triggered by other applications or AI agents, enhancing platform flexibility.Key ResponsibilitiesIn this role, you will oversee cross-application frameworks from technical implementation to high-level user experience decisions. You will extensively utilize core web APIs—Broadcast Channels, Service Workers, Local Storage—to enable real-time inter-application communication. Furthermore, you will contribute to the development of an Electron application, leveraging Electron-specific capabilities like the IPC API to enhance workflows. Throughout this journey, you will cultivate relationships across teams and gain deep insights into various codebases and architectural patterns.API design will be a central focus of your work; the interfaces you develop must be ergonomic and portable, easily integrating into any application that adopts them.

About ALSO.At ALSO, we are redefining electric mobility. Originally a part of Rivian, our passionate team comprises builders, dreamers, and innovators dedicated to creating groundbreaking, vertically integrated small electric vehicles (EVs) that address today's and tomorrow's global mobility challenges. Our vision is to inspire individuals to choose ALSO, transforming local car, truck, and SUV journeys into experiences on vehicles that are more affordable, enjoyable, and 10-50 times more efficient.As a Senior Validation & Tools Engineer specializing in web and cloud validation, your role will be pivotal in ensuring exceptional quality across our interconnected e-mobility platform. You will oversee everything from the initial customer interaction during purchase to the cloud systems that drive our vehicles. Your responsibilities will include designing and executing both manual and automated tests for web applications, APIs, and cloud integrations, as well as validating data telemetry and end-to-end connectivity. Collaborating closely with developers, data analysts, and product teams, you will enhance the reliability of every release and promote automation and monitoring to accelerate validation processes.This highly collaborative role requires the ability to seamlessly transition between web and IoT domains. You should enjoy converting complex testing protocols into scalable frameworks and dashboards while possessing the independence and initiative to drive projects and ensure successful implementations.

Join the Mashgin Team!Mashgin is revolutionizing the checkout experience for over 40 million users worldwide. Our state-of-the-art kiosks leverage AI technology to ring up transactions in under a second, making long lines a thing of the past.Our innovative solutions power over 1 billion transactions across various sectors, including major US professional sports teams, thousands of convenience stores, airports, universities, and more.We are not just developing cutting-edge AI; we are making a tangible impact in the world while creating unforgettable customer experiences. Supported by a successful Series B funding round, we stand out as a profitable AI startup in a competitive landscape.At Mashgin, we foster a culture of ownership, autonomy, and a relentless focus on customer satisfaction. We are dedicated to building exceptional products that elicit a 'Wow' from users, prioritizing long-term sustainability over fleeting successes. If you are passionate about excellence and want to see the immediate impact of your work, we invite you to join us on this remarkable journey.Position OverviewWe are seeking a talented Frontend Software Engineer to create intuitive user interfaces for our customers, business partners, and internal teams. In this role, you will contribute to the development of products that not only function on the web but also on hardware utilized by thousands of users daily. While our technology is driven by advanced machine learning, its effectiveness hinges on exceptional design and user experience. As part of a dynamic team, your contributions will have a significant impact on our current offerings and the expansion of our platform.

Lead Staff Software EngineerLocation: Hybrid - Palo Alto Office (Tuesdays and Thursdays)Your ImpactJoin our team at MidiHealth as a Lead Staff Software Engineer, where you will play a crucial role in shaping the future of women's healthcare technology. You will be a core technical leader within our engineering organization, translating intricate concepts into actionable technical roadmaps and innovative products that drive our mission forward.Your ResponsibilitiesEvaluate complex technical challenges and spearhead architectural assessments across teams, mitigating technical debt and fostering sustainable, cross-service patterns within Midi’s healthcare ecosystem.Serve as a 'part-time product manager for technology,' championing essential infrastructure enhancements to boost business agility.Design and implement high-quality, scalable products and code, ensuring a balance between swift execution and long-term scalability.Contribute actively to our engineering culture by establishing best practices for automated testing, CI/CD, and maintaining high code quality throughout our technology stack.Assess overarching technical and business challenges, crafting elegant solutions that support both scalability and business growth.Collaborate closely with Executive Leadership, Product, Marketing, and Clinical teams to uncover unmet customer and operational needs, translating these insights into effective technical strategies that enhance outcomes for our patients and clinicians.Mentor and guide both senior and junior engineers, nurturing a culture of curiosity, humility, and technical excellence.

Backend Software EngineerConfluera is an innovative cybersecurity startup backed by Series B funding, dedicated to safeguarding the cyber landscape. Our mission is to fortify enterprises today to ensure a more secure tomorrow. We provide a comprehensive solution that enhances visibility across cloud environments, empowering cybersecurity leaders with real-time attack prevention capabilities.Key Responsibilities- Design and construct distributed systems capable of processing vast amounts of data.- Develop, maintain, and optimize APIs and systems for scalable product enablement.- Create advanced models and features to improve anomaly detection accuracy.- Collaborate and communicate effectively with Product, Design, and Engineering teams.- Rapidly develop and iterate on solutions while upholding high-quality standards.Required Qualifications- Proficiency in programming languages such as Java and Python.- Experience with streaming platforms like Kafka.- Familiarity with stream processing frameworks, including Spark.- Understanding of distributed systems architecture.Preferred Qualifications- Prior experience working with streaming and stream processing systems (Kafka, Spark, etc.).- Knowledge in building ETL pipelines.- Experience delivering and maintaining large-scale production systems.- Leadership experience in technical projects.Educational Background- A Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field, or equivalent professional experience.

Join our dynamic team at xAI, where we are committed to developing cutting-edge AI systems that understand the universe and support humanity's quest for knowledge. As an Outstanding Software Engineer, you will tackle critical product challenges and engage in hands-on projects that drive our mission forward. We value curiosity, initiative, and a strong work ethic in a collaborative, meritocratic environment. Your ability to communicate effectively and share knowledge with your peers will be instrumental in our success.

About Glean:Founded in 2019, Glean is a pioneering AI-driven knowledge management platform that empowers organizations to efficiently locate, organize, and disseminate information throughout their teams. By seamlessly integrating with tools such as Google Drive, Slack, and Microsoft Teams, Glean enables employees to access the right knowledge at the right moment, enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, allowing teams to leverage their collective intelligence faster and more effectively.Glean was established by Founder & CEO Arvind Jain, who recognized the challenges employees encounter in sourcing and comprehending information at work. Witnessing the fragmentation of knowledge and the challenges posed by numerous SaaS tools, he aimed to create a better solution—an AI-enabled enterprise search platform that facilitates swift and intuitive access to essential information. Since its inception, Glean has evolved into the leading Work AI platform, merging enterprise-grade search capabilities with an AI assistant and advanced application- and agent-building functionalities, fundamentally transforming how employees operate.About the Role:Glean is on the lookout for a skilled Infrastructure Engineer to design and advance the platform that maintains a highly available, efficient, secure, and cost-effective infrastructure across multiple cloud environments. You will be responsible for delivering intricate components featuring refined automation, robust uptime assurances, autoscaling, and dependable alerting/monitoring for infrastructure that operates across various cloud providers. As a member of the Platform team, you will oversee critical aspects of Glean’s infrastructure, collaborating closely with other teams to support their workloads.

Join a Transformative CompanyPalantir Technologies is at the forefront of developing cutting-edge software that enables organizations to make data-driven decisions and streamline operations. Our innovative platforms empower partners to tackle significant challenges, such as developing lifesaving medications, predicting supply chain interruptions, and locating missing persons.Role OverviewAs part of Palantir's defense product division, you will contribute to mission-critical applications designed for modern military operations. Our products facilitate secure data integration and visualization, allowing for the creation of complex systems, including common operating pictures, alert triaging systems, and resource allocation tools powered by advanced machine learning models. These tools are essential for daily operations in military command centers and on the battlefield, relied upon by our global clientele.As a Backend Software Engineer at Palantir, you will play a pivotal role in reshaping how organizations harness data. You will engage in every phase of the product lifecycle, from conception and design to prototyping and deployment. Collaboration is key; you will work alongside both technical and non-technical team members to grasp our clients' challenges and develop effective solutions. We promote inter-team mobility to foster the sharing of insights, skills, and experiences, allowing you to expand your knowledge across various technologies and product facets. You will work autonomously, making independent decisions while being supported by a community that encourages your growth as a technical contributor and engineering leader.Your daily tasks will be dynamic, adjusting to user demands and technical challenges. One day, you might join forces with fellow engineers to design a new system that supports a unique workflow; the next, you could be optimizing performance for low-latency operational requirements.Our Product Development teams consist of small groups of Software Engineers, each dedicated to specific product aspects, collaborating to enhance user workflows and continuously improve our software's efficiency and reliability.We are seeking passionate engineers eager to tackle real-world challenges and empower developers and end-users to maximize their productivity. If you are driven to create reliable, high-performance, and scalable systems while designing robust APIs and components, we encourage you to apply.

About WhopWhop is a pioneering financial technology firm dedicated to empowering individuals and businesses with sustainable income solutions. Our ambition is to build the largest online marketplace, enabling seamless creation, connection, and transactions on a unified platform. With over $3 billion in annual payouts across 144 countries, Whop is rapidly growing, boasting a gross transaction volume increase of approximately 25% month-over-month.Having attracted substantial investments from leading firms such as Insight, Bain Capital Ventures, A*, and Peter Thiel, we are well-positioned for continued expansion, including a recent strategic investment from Tether, the world's largest stablecoin company.Our team comprises dynamic and passionate entrepreneurs, with over 75% having launched businesses before joining Whop, including 53 former founders and 30 who have scaled to over $1 million in revenue. Our product leadership team includes veterans from Meta and Robinhood.To learn more, please visit whop.com.About the RoleThe Payments team is responsible for crucial product features that facilitate global payments for merchants using our platform. As a Payments Engineer, you will develop systems that manage high-volume checkout processes and ensure secure and efficient payment collection, identity verification, balance management, and fund transfers. We prioritize reliability and security in all our operations.What You’ll DoEnhance and optimize payment interfaces that process billions in transactions.Develop payment features and components that simplify integration for developers.Expand our payment capabilities by enabling additional payment methods for creators.Create high-quality developer documentation and interactive tools for users of our SDKs.Design intuitive APIs for seamless payment operations.Experiment with innovative solutions to enhance payment accessibility.

Join Rubrik as the Director of Web, where you will lead our web strategy and enhance our online presence. You will be responsible for overseeing the development and execution of our web initiatives, ensuring alignment with our business goals. This role requires a strategic thinker with a passion for technology and a talent for leading cross-functional teams.

About xAIAt xAI, we are driven by our mission to develop AI systems that can profoundly comprehend the universe and support humanity in its quest for knowledge. Our team is composed of passionate and highly-driven individuals committed to engineering excellence. We value those who challenge themselves and thrive in a culture of curiosity. Operating with a flat organizational structure, we empower our employees to be proactive contributors to our mission. Initiative and a track record of delivering exceptional results are highly regarded. Strong work ethic and effective prioritization skills are essential, as well as excellent communication abilities to share insights succinctly with teammates.About the RoleWe are on the lookout for outstanding media engineers who are eager to embark on an innovative project that integrates xAI’s cutting-edge AI infrastructure into a platform that engages approximately 600 million users every month. This role presents a unique opportunity to leverage xAI’s technology stack to revolutionize the video product experience, encompassing aspects like video playback, live streaming, Spaces, and audio/video calls. Join us to make a significant impact while utilizing powerful AI tools and collaborating with talented colleagues at xAI.

Join PsiQuantum, a pioneering force dedicated to creating the first practical quantum computers that will revolutionize various industries. Since our inception in 2016, we have been unwavering in our mission to construct and implement million-qubit, fault-tolerant quantum systems.Our innovative quantum computers leverage the principles of quantum mechanics to tackle problems that are beyond the capabilities of the most sophisticated supercomputers and AI technologies. The transformative potential of these machines will benefit fields such as energy, pharmaceuticals, finance, agriculture, transportation, and materials science.Utilizing silicon photonics as the foundation of our architecture, we capitalize on advanced semiconductor manufacturing techniques—partnering with leaders like GlobalFoundries. This approach allows us to employ high-volume processes that already produce billions of chips for telecommunications and consumer electronics. The benefits of photonics are clear: they are immune to heat, unaffected by electromagnetic interference, and seamlessly integrate with current cryogenic cooling systems and standard fiber-optic infrastructures.In 2024, we announced significant government-funded projects aimed at establishing our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives illustrate the growing acknowledgment of quantum computing's strategic and economic significance, emphasizing the urgency to scale our efforts.At PsiQuantum, we are also focused on developing the algorithms and software necessary for these systems to achieve commercial viability. Our application and software teams collaborate with prestigious Fortune 500 companies—including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical—to optimize quantum solutions for real-world applications.Quantum computing signifies not merely an extension of classical computing but a radical transformation, offering pathways to tackle challenges that cannot be addressed through any other means. The opportunities are vast, and we are committed to making this vision a tangible reality.We invite you to be a part of this groundbreaking journey.

This is a hybrid position based in our Palo Alto office, requiring in-office attendance on Tuesdays and Thursdays.Why This Role Stands Out?Join a rapidly expanding team at Grindr, where our user base has surged by 30% in the past year! We are in search of a seasoned Backend Engineer who is enthusiastic about building, testing, and deploying robust features alongside our Product team. This is your chance to tackle intriguing challenges, engage with cutting-edge technologies, collaborate with a talented team, and make significant contributions.Key Responsibilities:Become an integral part of a backend team of over 10 engineers, focusing on vital features that cater to millions of active daily users.Lead projects and mentor fellow engineers in implementing new functionalities while closely collaborating with product and design teams.Take ownership of designing and developing Grindr’s backend services within a stable and scalable microservices architecture.Work closely with Product Managers, Designers, and fellow Engineers to refine feature design and functionality.Enhance Grindr's platform using tools such as Redis, Postgres, and Kafka on AWS services.Drive innovation through data-informed decisions regarding new technologies, architectures, and workflows.Ensure high availability of Grindr’s platform by utilizing distributed systems and infrastructure engineering, while playing a pivotal role in optimizations, cost reduction, and incident management.Guide and mentor team members through pairing sessions, code reviews, and architecture discussions.What We Value in You:A minimum of 7 years of experience as a Software Engineer with a focus on Backend Systems (Service APIs, Data Processing, Messaging Services).Proven experience in designing and implementing large-scale systems for high load and data consistency within a microservice architecture.Expertise in designing systems that leverage Cloud Services, preferably AWS.A strong passion for software and system testing.In-depth understanding of concurrency concepts and associated trade-offs.A natural curiosity for troubleshooting and comprehending systems end-to-end.

About xAIAt xAI, we're on a mission to develop AI systems that not only understand the universe but also empower humanity in its quest for knowledge. Our team is compact, driven, and dedicated to engineering excellence. We welcome individuals who thrive on intellectual challenges and have a passion for curiosity. Operating within a flat organizational structure, we encourage all team members to be hands-on in contributing to our mission. Leadership opportunities are available for those who demonstrate initiative and consistently deliver outstanding results. Strong work ethic and prioritization skills are paramount. Effective communication is a must, as team members should be adept at sharing insights and knowledge with their peers. About the TeamThe Observability team is responsible for constructing and managing the essential infrastructure that allows engineers to monitor, troubleshoot, and enhance the performance and reliability of their systems. We process telemetry at an enormous scale, managing billions of time series and petabytes of logs, all while adhering to rigorous performance and availability standards.About the RoleAs part of a dynamic and impactful team, you will play a vital role in developing and maintaining xAI’s observability platform. You will take ownership of critical systems that facilitate metrics, logs, tracing, and alerting, enabling engineering teams to operate services at scale, preemptively identify issues before they affect users, and drive systemic improvements in reliability.What You’ll DoDesign and implement scalable observability infrastructure for metrics, logging, and tracing.Build high-performance telemetry pipelines capable of managing extensive ingestion volumes.Develop APIs, query engines, and user interfaces that deliver real-time insights into services.Establish and reinforce best practices for instrumentation, alerting, and reliability throughout the organization.Collaborate with infrastructure and product teams to seamlessly integrate observability into our internal platforms.Maintain end-to-end ownership of the reliability, scalability, and performance of the observability stack.