Senior JavaScript UI Engineer (React or Angular) - $160K-$180K

About Air AppsAt Air Apps, we embrace bold thinking and rapid innovation. Founded by a family in 2018 in Lisbon, Portugal, our mission is to revolutionize planning with the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP). With over 100 million downloads globally, we have expanded our presence to San Francisco while remaining self-funded and committed to pushing the limits of AI-driven solutions that genuinely enhance lives.We invite you to become a part of our journey to transform resource management and empower individuals across the globe.The RoleAs a React Engineer, your primary focus will be on crafting responsive and accessible user interfaces for our web applications. You will work collaboratively with designers, product managers, and backend engineers to convert wireframes and prototypes into beautiful, stable, and scalable front-end experiences that engage our users.This job posting serves to build our talent pool as we prepare for the official launch. We will reach out to you as soon as the position is officially posted.

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.

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.

About Us:At Scribd Inc. (pronounced “scribbed”), we are dedicated to igniting human curiosity. Join our innovative team as we craft a universe of stories and knowledge, democratizing the exchange of ideas and empowering collective expertise through our diverse products: Everand, Scribd, Slideshare, and Fable.This job posting represents an open and approved position within our organization, reflecting our commitment to growth and excellence.We cultivate a workplace culture where authenticity and boldness thrive, where we engage in robust discussions and embrace unexpected challenges, and where every employee is empowered to take initiative in prioritizing customer satisfaction.Our flexible work policy, Scribd Flex, allows employees to customize their work environment in collaboration with their managers, promoting a balance between individual flexibility and community connections. We emphasize the importance of intentional in-person interactions to foster collaboration, culture, and connection. Therefore, occasional in-person attendance is required for all Scribd Inc. employees, regardless of their location.What do we seek in our new team members? We value “GRIT”—the combination of passion and perseverance towards long-term goals. At Scribd Inc., we believe in the transformative potential of this mindset and encourage our employees to embody a GRIT-ty approach in their work. In practical terms, GRIT stands for setting and achieving strong Goals, delivering tangible Results, contributing Innovative ideas, and positively influencing the broader Team through collaboration and a positive attitude.About the Role and TeamEnhance the core experience for over 10M daily readers. Join the team responsible for Scribd's primary reading platform and significantly influence how millions of users engage with our extensive collection of over 300,000 documents.Innovate at the crossroads of product and AI. Collaborate closely with Product, Design, and AI/ML teams to rapidly develop and implement experiments that boost engagement and comprehension on the reading interface.Develop new creation experiences from inception to launch. Leverage your skills to conceptualize and build innovative features that enhance user creativity and interaction.

About Our Company:At Scribd Inc. (pronounced “scribbed”), we are driven by a mission to ignite human curiosity. As part of our innovative team, you will help shape a world filled with stories and knowledge, democratizing the exchange of ideas and empowering collective expertise through our flagship products: Everand, Scribd, Slideshare, and Fable.This job posting reflects a currently open position within our organization.We cultivate a culture where our employees can be authentic and courageous; where discussions are encouraged, and commitments are made as we embrace the unexpected; and where every team member is empowered to take initiative while keeping customer satisfaction at the forefront.In terms of workplace structure, we value a balance between personal flexibility and community engagement. Through our flexible work benefit, Scribd Flex, employees can collaborate with their managers to determine a working style that aligns with their individual needs. A vital aspect of Scribd Flex is ensuring intentional in-person interactions to foster collaboration, culture, and connection. Therefore, occasional in-person attendance is required for all Scribd employees, regardless of their location.What do we seek in our new team members? We prioritize hiring individuals who embody “GRIT” – a blend of passion and perseverance towards achieving long-term goals. At Scribd Inc., we recognize the transformative potential this mindset unlocks, and we encourage all our employees to adopt a GRIT-driven approach in their work. In practical terms, GRIT is also an acronym representing the standards we uphold: we seek candidates who demonstrate the ability to set and accomplish Goals, achieve Results, contribute Innovative ideas, and positively impact the broader Team through collaboration and attitude.About the Discovery Applications TeamThe Discovery Applications Team is at the forefront of Scribd’s Machine Learning and Discovery Engineering Division. This dedicated team is responsible for crafting customer-facing web experiences that enhance our cutting-edge search, recommendations, and generative AI features. As a full-stack team, we own the complete discovery experience across Scribd and Everand, transforming machine learning capabilities into intuitive, user-friendly features.By joining this team, you will play a pivotal role in delivering user value from our groundbreaking machine learning innovations, creating significant impacts through your contributions.

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.

Join our client's innovative team as a Founding Full-Stack Engineer.Location: San Francisco (On-site)We are seeking a talented individual with 3 to 10 years of experience in software development, particularly with expertise in Python, Django, Go, and React.This role is perfect for someone looking to make a significant impact at an early-stage startup as we progress from Seed to Series B funding.

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.

Join BitGo, the premier infrastructure provider for digital asset solutions, specializing in custody, wallets, staking, trading, financing, and settlement services from secure regulated cold storage. Established in 2013, we empower our clients to confidently navigate the digital asset landscape. With a vast global footprint and multiple Trust companies, BitGo caters to thousands of institutions, including top-tier brands, exchanges, and millions of retail investors worldwide. As a key player in the digital economy, we process a substantial portion of Bitcoin transactions and stand as the world’s leading independent digital asset custodian and staking provider. Discover more about us at www.bitgo.com.This position requires full-time presence at our San Francisco office to foster collaborative teamwork and innovative problem-solving.We are seeking a talented Mobile Software Engineer with extensive experience in React Native to join our dynamic team and contribute to the development of cross-platform mobile applications that enhance the BitGo experience for our users.

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.

Join our dynamic team at Cloudflare as a Principal Consultant for Cloudforce One REACT. In this pivotal role, you will lead innovative cloud-based solutions, providing strategic guidance to clients while leveraging your expertise in React development. Your ability to communicate effectively and manage projects will be crucial in driving success and delivering exceptional results.

About SimSim is at the forefront of creating the premier platform for AI agents, empowering developers and enterprises to visually design, deploy, and oversee high-performing agents that streamline workflows globally. Our vision is clear: AI agents will revolutionize how the world operates, and Sim is the key to making that a reality. With backing from renowned investors such as Standard Capital, Paul Graham, Perplexity, SV Angel, and Y Combinator, we have embraced open-source principles from our inception.Based in San Francisco, we are a dynamic, agile team that collaborates in person daily. With over 70,000 developers leveraging Sim, your contributions reach real users quickly and significantly. We value ownership, excellence, and the ambition of our builders as they shape the future from the ground up.Role OverviewAs a Frontend Software Engineer at Sim, you will be pivotal in developing our agent-building canvas and frontend platform. You will design intuitive user experiences, create robust and high-performance UI components, and help shape how thousands of developers utilize Sim. Collaborating with engineering, product, and design teams, you will take features from concept to production, directly influencing our product’s design, performance, and developer experience.Your ResponsibilitiesDesign and develop essential frontend systems focusing on visual, interactive experiences that enable users to create and manage AI agents.Lead the rollout of new features, UI components, and real-time interactions within a Next.js monorepo.Ensure the frontend experience is efficient, refined, and enjoyable at scale.Establish standards for front-end code, UI architecture, and design systems.Work closely with engineering, design, and product teams to create seamless developer workflows.Enhance our custom component library and expand our existing design system.Rapidly prototype and iterate, delivering impactful improvements daily.What We SeekExtensive experience with React and TypeScript.Strong understanding of UI/UX design principles and developer experience.Demonstrated capability to build sophisticated, interactive frontend applications (e.g., canvas editors, visual builders, collaborative tools).Knowledge of frontend performance, animations, and real-time systems (e.g., WebSockets, CRDTs).A proactive approach to problem-solving and a passion for technology.

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 collaborating with cross-functional teams to deliver exceptional mobile experiences. This role requires a passion for technology and a drive to deliver high-quality products.

Join Our Innovative TeamAt ChatGPT Engineering, we are dedicated to crafting the user interfaces that millions rely on daily. Our mission is to enhance AI capabilities through seamless, polished, and trustworthy experiences for our users. As a Frontend Engineer, you will play a pivotal role, collaborating with design, product, research, and backend teams to deliver intuitive and reliable features that scale globally.Our diverse teams focus on areas such as Growth, Ecosystems, Personalization, Search & Knowledge Experiences, and Platform UI. Together, we build foundational UI and product experiences that empower users to discover, trust, and gain value from ChatGPT.Your RoleWe are seeking talented Frontend Engineers to create cutting-edge product experiences for ChatGPT. You will focus on impactful user flows, UI architecture, and performance, delivering features that transform advanced AI into a simple, responsive, and delightful experience for users.Key ResponsibilitiesDesign and implement high-quality product experiences across web platforms.Collaborate with design and product teams to turn innovative ideas into stunning, accessible UIs.Lead frontend architecture decisions, including component systems, state management, routing, and client-side performance optimizations.Enhance reliability and quality through effective testing, monitoring, and tooling.Work closely with backend and data teams to integrate APIs and deliver comprehensive end-to-end features.Contribute to the long-term technical vision and participate in design and architecture reviews.Who You ArePossess strong frontend development skills using modern web frameworks (e.g., React, TypeScript) and have experience building scalable production UIs.Exhibit a passion for performance, accessibility, and craftsmanship, paying attention to detail while maintaining speed.Enjoy collaborating across the tech stack and working closely with design and product teams.Thrive in fast-paced environments and embrace ambiguity, all while upholding high quality standards.LocationWe welcome applicants from San Francisco, New York, and Seattle.About OpenAIOpenAI is at the forefront of AI research and deployment, committed to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the limits of AI capabilities, striving for innovations that improve lives globally.

About NeonNeon is a pioneering global payments and e-commerce platform dedicated to empowering game publishers with greater revenue generation and autonomy from traditional app stores. Our philosophy centers around transparent commerce: providing clear decision-making, actionable insights, and aligned incentives. Founded by experts in payments, fintech, and gaming, we prioritize excellence in product development and partnerships. At Neon, we share our strategies, collaborate on decisions, and simplify complexities for our customers. We are replacing outdated, opaque systems with modern, developer-friendly infrastructure.As an integral member of our early-stage team, you will play a crucial role in shaping and scaling Neon’s product offerings and company culture, directly influencing our growth trajectory. Join a diverse, collaborative team composed of talent from top-tier companies such as Apple, Affirm, Unity, and Visa, and backed by prestigious venture capital firms like Thrive, a16z, Griffin Gaming, Ribbit, and Renegade. If you're passionate about creating groundbreaking technology, challenging the norm, and enabling game creators to succeed on their own terms, we encourage you to apply.About the RoleWe are in search of a skilled Full-Stack Software Engineer to spearhead the development of key projects within our organization. As a design-oriented engineer, you will have the opportunity to transform innovative ideas into tangible, high-quality products. You will engage with the complete technology stack, actively participating in the development and scaling of a core product that drives financial independence for game creators.What You’ll DoBuild and maintain both front-end and back-end components of our product suite.Work in close collaboration with product managers, designers, and fellow engineers to define, design, and deploy new features.Optimize features for scalability, performance, security, and user experience.Write clean, maintainable, and efficient code while participating in code reviews and maintaining comprehensive documentation.What We Look ForMinimum of 1 year of professional software engineering experience.Proficient in full-stack development, particularly with a strong emphasis on React and TypeScript.Eager to learn new technologies and adapt as the team evolves.Highly productive and capable of taking ownership of significant projects to achieve results.Willingness to work from our offices in San Francisco or New York City.Join Neon. Shape the Future of Gaming.

About Flow EngineeringFlow Engineering is an innovative AI-driven requirements platform that simplifies complex engineering tasks, enhancing clarity, collaboration, and verifiability. We are transforming the landscape of hardware development by integrating elite engineering talent with AI agents, enabling rapid design, iteration, and deployment.Role OverviewWe are seeking a talented Staff Frontend Software Engineer to take charge of key user experiences within Flow. You will lead the creation of AI-enhanced workflows, ensuring they are seamlessly integrated into a user-friendly interface. Collaborating with design, product, infrastructure, and AI engineering teams, you will simplify complex systems engineering concepts to enhance usability.Key ResponsibilitiesTake ownership of significant user-facing components in Flow v3, including interactive requirements views, collaboration features, and AI-assisted workflows.Develop high-quality, accessible user interfaces using modern frontend frameworks and a component-based approach.Incorporate AI features into the platform in intuitive and beneficial ways for engineers.Collaborate with design and product teams to quickly iterate on interaction patterns, prototypes, and new workflows.Contribute to shaping frontend architecture, design systems, and performance enhancements as the application and user base grow.About YouOver 8 years of experience developing dynamic, data-intensive web applications with modern frontend frameworks.Proficient in React (or similar) and TypeScript, including component architecture, state management, and testing methodologies.A user-centric mindset: you consider user journeys, edge cases, and clarity over mere screen design.Able to work closely with design and product teams, providing and receiving constructive feedback throughout development cycles.Willing to occasionally engage with backend processes (e.g., API refinement, integration) to ensure comprehensive feature delivery.Our Technology StackReact and TypeScript as our core frontend technologies.Utilization of utility-first CSS frameworks like Tailwind for styling.

About Resolve AIAt Resolve AI, we revolutionize software maintenance and production troubleshooting by developing an autonomous AI Production Engineer capable of diagnosing and resolving intricate system issues from start to finish.Our visionary founders, Spiros Xanthos and Mayank Agarwal, were instrumental in creating OpenTelemetry and have successfully led Splunk Observability, achieving two lucrative exits to Splunk and VMware.We are proud to have secured over $150 million in funding from elite investors such as Lightspeed, Greylock, and Unusual Ventures, alongside notable individual supporters including Jeff Dean (Chief Scientist, Google DeepMind), Thomas Dohmke (CEO, GitHub), Matt Garman (CEO, AWS), Reid Hoffman (Founder, LinkedIn), and Fei-Fei Li (Professor, Stanford).What You Will Be DoingOwn Frontend Design and ImplementationTake charge of delivering an exceptional user experience across Resolve AI's product suite by developing engaging, intuitive, and high-performance interfaces utilizing TypeScript, React, and cutting-edge frontend technologies.Shape Product VisionTransform complex AI capabilities and systems into user-friendly features that empower engineers to seamlessly interact with our AI agent, simplifying powerful workflows.Maintain High Standards of PerformanceCraft scalable frontend architectures that are not only maintainable but also responsive and performant, especially for data-rich visualizations and real-time applications.Collaborate with Users in MindEngage closely with backend engineers, designers, and product managers to drive product discussions and advocate for user-centric solutions that address genuine pain points.Rapid and Responsible IterationQuickly prototype new features and integrate user feedback through tight development cycles, ensuring UI quality through comprehensive testing, accessibility standards, and component reuse.Your Qualifications5+ years of software development experienceExpertise in TypeScript and React, with a strong understanding of modern frontend frameworks and tooling.Proven track record of designing and implementing scalable frontend systems.

Join our dynamic team at Midstream as a Frontend Software Engineer. In this role, you will leverage your technical expertise to design and implement innovative web applications that enhance user experience. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet our clients' needs.

About WorkWhileAt WorkWhile, we are dedicated to empowering workers to earn a better living and enhance their quality of life. With over 80 million Americans relying on hourly jobs that often come with unpredictable schedules, low wages, and limited benefits, financial stability is often out of reach.We are transforming the landscape of frontline work by fostering a more flexible and efficient labor market. Utilizing advanced AI technology, the WorkWhile platform enables businesses to swiftly access high-quality talent. Our workers enjoy same-day pay, complimentary telehealth services, opportunities for skill enhancement, and the freedom to select shifts that align with their expertise and schedules.With an ambitious goal to align incentives and rectify inefficiencies within the labor market, we are on a mission to disrupt the $650 billion staffing and recruiting industry. Supported by Khosla Ventures and recognized on the Inc. 5000 for 10x growth, WorkWhile is redefining the future of work.