Senior Full Stack Engineer for Innovative Mobile Solutions

Join Bubble, Inc., a leading platform revolutionizing mobile application development, as a Senior Full Stack Engineer. In this pivotal role, you'll leverage your expertise to create seamless mobile experiences that empower users to build and manage applications effortlessly.Your responsibilities will include designing and implementing robust backend systems,…

Join Justworks as a Software Engineer and be part of a dynamic team dedicated to simplifying the way businesses manage their workforce. You will develop innovative software solutions that streamline operations and enhance user experience. Your expertise will contribute to building products that empower our clients to succeed.

At Octane, we are revolutionizing the financial landscape for merchants and consumers alike. Our state-of-the-art technology and innovative financial solutions provide businesses with enhanced control and flexibility, enabling them to create seamless digital experiences, foster customer loyalty, and build enduring value.Octane supports merchants throughout the entire sales process: connecting dealerships with motivated buyers, facilitating transparent, quick, and effortless closings through our award-winning technology, and offering ongoing customer support with superior loan servicing.Since our inception in 2014, Octane has partnered with over 60 OEM brands and more than 4,000 dealers, backed by a dedicated team of over 600 professionals. Discover more about us at www.octane.co.We are on the lookout for a Senior Software Engineer to join our dynamic team in New York City and spearhead the advancement of our consumer lending marketplace.Our platform serves as a critical tool for dealerships across the nation. By simplifying intricate workflows, we enable our partners to offer swift and adaptable financing options to their clients precisely when it is needed most. As a vital member of our backend engineering team, you will work with a sophisticated tech stack that includes Python, Django, and PostgreSQL to develop the high-performance infrastructure that drives these transactions.This role encompasses more than just coding; it’s about crafting solutions. You will collaborate with a passionate team of seasoned engineers to design scalable systems, mentor emerging talent, and uphold our marketplace as the benchmark for speed and reliability.

Are you passionate about innovative technology and customer success? Join Notion Labs Inc. as a Partner Solutions Engineer, where you'll play a crucial role in driving the success of our partners through technical expertise and collaboration. In this dynamic position, you will work closely with cross-functional teams to design, implement, and optimize solutions that meet our partners' needs.Your expertise will help enhance customer engagement and satisfaction, ultimately contributing to the growth of our partnerships.

Join Decagon as a Staff Software Engineer specializing in Agent Orchestration. In this pivotal role, you will leverage your technical expertise to develop and optimize orchestration systems that enhance our agent capabilities. You will collaborate with cross-functional teams to innovate and implement software solutions that drive efficiency and performance.

Join miter as a Senior Product Manager, where you will lead the vision and strategy for our innovative app solutions. In this pivotal role, you will collaborate with cross-functional teams to design, develop, and enhance product offerings that meet the evolving needs of our users. Your expertise will guide the product development lifecycle from ideation to launch, ensuring alignment with market demands and user feedback.

Join our dynamic team at posh as a Senior Backend Software Engineer specializing in AI. In this pivotal role, you will design, develop, and optimize scalable software solutions that power our innovative AI products. Collaborate with cross-functional teams to deliver high-quality technical solutions while enhancing user experience and functionality.

Join dualentry as a Senior Backend Engineer, where you'll be at the forefront of developing cutting-edge backend solutions. In this role, you will collaborate with cross-functional teams to design, implement, and optimize robust server-side applications. Your expertise will be crucial in enhancing system performance, scalability, and security.

Join rogo as a Staff Backend Engineer specialized in Financial Data, where you will play a crucial role in developing robust backend systems that handle critical financial data processes. You will work closely with cross-functional teams to create scalable solutions that meet the evolving needs of our clients.

Our MissionAt Zocdoc, we believe healthcare should prioritize patients, yet often it doesn't. Patients face outdated insurance directories, lengthy hold times, extended waits for appointments, and unexpected bills. Unlike other industries where poor service leads to failure, healthcare lacks the competitive pressure that drives change. Our mission is to empower patients, giving them the tools they need to make informed decisions about their care. Zocdoc is the leading healthcare marketplace, allowing patients to easily find and book both in-person and virtual care across all 50 states, 200+ specialties, and 12,000+ insurance plans. By facilitating patient choice, we aim to enhance the healthcare experience, making it more like any competitive consumer market, ultimately driving up quality and reducing costs. As we approach our 18th year, we remain at the forefront of our industry, yet we know there's much more to achieve. If you thrive on tackling complex, meaningful problems alongside a team of thoughtful, driven, and collaborative individuals, we encourage you to learn more. Your Impact on our MissionAs a Staff Software Engineer on the Scheduling team, you are crucial in enhancing the healthcare journey for our patients and providers. Your contributions will extend beyond Zocdoc as you integrate with various ecosystems to meet patients where they are.In this role, you will empower patients to make confident healthcare decisions while significantly impacting Zocdoc's business. You will face intricate technical challenges that involve simplifying diverse domains across our tech stack—from modern backend systems to frontend experiences deployed on Zocdoc and our clients' platforms. Scalability, resilience, and user experience will be paramount in every solution you design.As a key member of the engineering team, you will be responsible for designing, building, and optimizing Zocdoc's applications to ensure they remain scalable, secure, and user-friendly. You will collaborate closely with product, design, and backend teams, shaping the future of healthcare technology.Salary: $180,000 - $270,000

About UsSei Development Foundation is at the forefront of innovation as the first parallelized layer 1 blockchain. By revolutionizing the most prevalent execution environment in Web3, we are setting a new benchmark for blockchain performance and scalability. Applications built on Sei enjoy the speed and efficiency of web2 while leveraging the decentralization and autonomy of web3. For more information, visit Sei's official website.About the RoleSei Development Foundation is seeking an innovative AI Lead to reshape our organizational efficiency through AI integration. This role is not focused on research or content creation; instead, it emphasizes strategic implementation and execution. You will evaluate existing workflows, pinpoint opportunities where AI can significantly enhance operations, and design sustainable systems that ensure long-term benefits.In your initial weeks, you will collaborate closely with founders and leadership to deliver quick wins, followed by developing a comprehensive AI playbook within 90 days. Over time, you will become the go-to expert for AI integration, guiding teams towards enhanced productivity and sharper thinking. The ideal candidate has a proven track record of implementing similar systems in previous roles.

Join StubHub Inc. as a Senior Software Engineer in Active Support. In this role, you will be responsible for enhancing our platform's reliability and performance. You will collaborate with cross-functional teams to troubleshoot issues and implement innovative solutions to ensure the best user experience. Your expertise will drive significant improvements in our software and services.

About FuboTV:FuboTV Inc. is a pioneering live TV streaming service focused on delivering a consumer-first experience that is reshaping the future of television.Recognized as one of Fast Company’s Most Innovative Companies (2026) and the Financial Times’ Fastest-Growing Companies in the Americas (2026, 2025), FuboTV also owns Hulu + Live TV (entertainment), Fubo (sports), and Molotov (entertainment and sports), streaming to audiences worldwide.Our Mission:We aim to provide premium sports, news, and entertainment content through an unparalleled user experience that prioritizes choice, flexibility, and value.About the Role:*This position is a hybrid role based in New York City. Candidates must reside in NYC and be willing to work in the office three days a week (Tuesday, Wednesday, Thursday).* We are on the lookout for a Software Engineer with a robust foundation in backend development and a solid understanding of infrastructure principles. This role is crucial for building and maintaining scalable, reliable, and high-performance systems that support our video infrastructure and core services. We need a hands-on engineer who thrives in both software delivery and system reliability.The Video Input/Output Systems team oversees all facets of linear video operations, including ingestion, storage, distribution, advertising, scheduling, and client playback at scale.This is a fantastic opportunity for a software engineer to engage with both internal and external stakeholders, crafting efficient systems that align with critical business objectives. You will collaborate closely with our Streaming Media Operations (Acquisition, Encoding, Operations), Advertising Engineering, Platform, Product Management, Players, Content Distribution, and Sales teams to create integrated solutions.What You’ll Do:Design and implement high-throughput, low-latency video backend services, focusing on scalable architecture, efficient data processing, and fault-tolerant behaviors during peak traffic.Integrate services with comprehensive metrics, distributed tracing, structured logging, and health checks to enhance real-time observability and actionable alerts.Manage the reliability lifecycle—from establishing SLIs/SLOs to leading incident responses, triage, on-call rotations, and long-term reliability engineering initiatives.Architect scalable and event-driven services and microservices to support millions of concurrent viewers.Collaborate extensively with SRE and partner teams to fine-tune service performance across edge caches.

Join Ramp as a Software Engineer and be instrumental in revolutionizing the travel experience. We are seeking innovative and passionate engineers to join our dynamic team, where you will have the opportunity to work on cutting-edge technology solutions that enhance travel efficiency and customer satisfaction.

Current is a pioneering consumer fintech platform that is redefining financial accessibility for everyday Americans, boasting over 6 million members. Our platform integrates financial solutions that work in harmony to meet the diverse needs of our users, empowering all Americans to forge better financial futures. Based in the heart of NYC, our dynamic, results-focused environment motivates us to develop superior products, accelerate growth, and enable every team member to make a meaningful contribution toward our mission of enhancing financial well-being. The Engineering team at Current is committed to constructing our products and infrastructure. Our applications are powered by Google Cloud Kubernetes Engine, supporting a proprietary banking core capable of processing millions of transactions daily. Our technology stack features MongoDB and Spanner for data persistence, Pub/Sub for asynchronous event handling, Dataflow for data transformation, and BigQuery alongside Google Cloud Storage for data analytics and storage. Our backend services utilize Java, and our data pipelines are crafted in Scala. We operate across a wide array of domains, including user-centric products such as liquidity offerings and reward programs, infrastructure to support machine learning and experimentation, real-time fraud detection, identity protection, and large-scale transaction processing across various payment channels. We are on the lookout for a Senior Backend Engineer to join our New York team. This role offers a competitive salary range of $170,000 - $250,000. As a pivotal member of our team, you will spearhead key business initiatives, enhance existing architecture and services, and design large-scale, data-intensive applications. The ideal candidate will possess a solid background in backend development with experience in cloud-hosted services. A self-motivated individual who thrives in a fast-paced environment will excel in this role.

About SomethingsAt Somethings, we are pioneering a revolutionary social wellness platform specifically designed for teens. Our mission is to create a supportive environment where young individuals can build meaningful relationships with mentors who truly understand them, are dedicated to their growth, and provide the guidance necessary for them to flourish.In the U.S., 25 million teens face mental health challenges, and each of the countless teens who engage with Somethings requires assistance. Our goal is to ensure that these individuals do not merely use the platform, but instead connect with compassionate humans who are devoted to their well-being and help them thrive.With backing from General Catalyst and esteemed healthcare and consumer investors, we are experiencing rapid growth — achieving a remarkable 1100% increase in 2025 and aiming for a fivefold growth in 2026.If you aspire to contribute to a transformative company within the mental health sector, we welcome you to join us.Role OverviewWe are seeking a Senior Fullstack Software Engineer specializing in React to join our dynamic, high-impact engineering team. You will play a pivotal role in constructing the foundational web experiences that empower our mentors and operational teams.This position offers high levels of agency, craftsmanship, and impact:You will directly influence the platform experiences that assist teens in connecting and genuinely improving their lives.What You'll DoIn this role, you will take complete ownership of essential projects that align with our strategic objectives for 2026:1. Transform our Mentor Operations Platform into a world-class experienceDeliver web experiences that are fast, reliable, and deeply human-centric.Evolve the mentor web experience from basic functionality to a cohesive, elegant, and leading-edge platform.Create user interfaces that are as intuitive and refined as the best consumer applications.Prioritize performance, accessibility, and interaction quality.2. Develop tools that safely scale our mentor operationsDesign features for mentors that enhance consistency, speed, and connection.Implement safety measures that proactively identify risks and minimize human error.Refine mentor workflows to empower users rather than overwhelm them.3. Take charge of full-stack product developmentBuild comprehensive features across React, backend services, and APIs.Engage in close collaboration with design, product, growth, and clinical operations teams.

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

Join Sandbar as a Senior Hardware Lab Technician!At Sandbar, we are pioneering innovative interface solutions in the heart of New York City. Our mission is to empower individuals to navigate an agentic world, enabling free thought, action, and movement. Our talented team has developed cutting-edge software, machine learning, and hardware products for industry leaders such as Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox.Our flagship product, Stream, is an advanced human-agent interface—a discreet voice ring that serves as a conversational computer. Featured in prestigious publications like the WSJ, Bloomberg, and Wired, Stream is set to launch in Summer '26.As a Senior Hardware Lab Technician, you will play a crucial role in the development of wearable consumer electronics. Collaborating with our Electrical, Mechanical, Firmware, and Quality engineering teams, you will ensure seamless lab operations, prototype testing, and rapid iteration in our dynamic startup environment.

Based in the vibrant heart of New York City, RXR Realty LLC is a premier vertically integrated investment management firm with a diverse team of over 450 professionals. Our expertise spans a wide range of value-added activities, including acquisitions, asset and portfolio management, property operations, development, construction, leasing, and cutting-edge technological advancements. RXR is proud to be an active investor in real estate credit, rental housing, commercial properties, and property technology, employing strategic investment strategies aimed at maximizing value.Role Overview We are seeking a dedicated Project Executive to join our team in partnership with TF Cornerstone. This role will support the owner’s team in delivering the ambitious 175 Park Avenue project—a ~3 million square foot mixed-use tower integrated with transit, located adjacent to the iconic Grand Central Terminal. This project encompasses office space, ultra-luxury hotel accommodations, premium amenities, and significant improvements to the transit network. In this pivotal role, you will oversee the daily coordination with the design team and provide strategic guidance to the Construction Manager. Your responsibilities will include managing the scope, schedule, budget, risk, and reporting throughout the various phases of the project.

Join Our Innovative Team at ConveoAt Conveo, we are revolutionizing the landscape of consumer and B2B research through our cutting-edge AI research platform. Our solution is trusted by leading global brands such as Unilever, Google, and Orange, providing them with valuable insights across marketing, product development, and research teams via our advanced AI video interviewer.Why Conveo?As we project significant growth—20x revenue by 2026—it's imperative to move beyond manual processes and spreadsheet solutions. We seek a talented GTM Engineer who thrives in a fast-paced environment to create, implement, and refine the internal tools and automation that empower our GTM team to excel.The current structure of our GTM team relies on a blend of SaaS tools, manual processes, and accumulated knowledge. Your role will be pivotal in transforming this setup into efficient, purpose-built applications, data pipelines, and AI-driven workflows. Imagine developing lead scoring models that continuously learn, creating effective attribution pipelines, and streamlining onboarding processes, all while significantly reducing manual tasks.This position is not your typical operations role; you will be hands-on coding, deploying applications, and utilizing tools such as Claude Code, Supabase, Node/TypeScript, and modern APIs. You will operate at the crossroads of engineering and GTM, measuring success through generated pipelines, automated FTEs, and enhanced customer activation.Reporting directly to the Chief Growth Officer (Florian), you will collaborate closely with the Sales, Marketing, Customer Success, and Product Engineering teams.Your Objectives1. Empower the GTM Team with Custom ToolsYour focus will be on creating bespoke solutions tailored to our team's needs rather than relying on generic tools.Develop and deliver in-house applications utilizing Supabase (Postgres, Edge Functions, Auth, Storage), Node/TypeScript, React, and Python.Design and implement customer-facing and internal dashboards and workflows to minimize manual tasks.Prototype swiftly: transition from concept to proof of concept in mere days.Oversee the entire development process: from data modeling and backend logic to frontend design and iterative improvements.2. Establish a Robust Data and Attribution FrameworkEnsure that every dollar of pipeline is traceable by building the necessary infrastructure.Create and uphold analytics and attribution pipelines, integrating GA4, GTM, and CRM systems.