Senior Node.js Engineer at The League | San Francisco

At Nestmed, we are revolutionizing healthcare documentation with our innovative AI platform, empowering clinicians to focus on what matters most - patient care.In just one year, we've expanded our reach to support tens of thousands of healthcare professionals across over a million patient visits. We proudly serve as a trusted partner for more than 60 home health agencies, including seven of the top ten enterprises in the United States.Our founding team, comprised of experts from Stanford, Y Combinator, Google, and Meta, is backed by the visionary founders of PayPal and Plaid. Together, we aim to establish the vital infrastructure for the future of the $500 billion home healthcare industry.Join Us!We are looking for a Senior Android Engineer to take the reins of our mobile application, the critical interface for clinicians documenting care in patients' homes. Your work will involve real-time voice capture, background processing, and ensuring seamless synchronization even in challenging network conditions. Collaborating closely with our CEO and CTO, you will tackle complex technical challenges and help shape our mobile platform as we continue to scale.

At Nestmed, we are revolutionizing healthcare documentation through our innovative AI platform, designed to give clinicians back their valuable time. In just one year, we have expanded to support tens of thousands of clinicians across over a million patient visits. We proudly partner with more than 60 home health agencies, including 7 of the top 10 enterprises in the US.Our founding team, which includes top talents from Stanford, Y Combinator, Google, and Meta, is backed by the visionary founders of PayPal and Plaid to establish the critical infrastructure for the booming $500 billion home healthcare industry.About the RoleWe are on the lookout for a Full-Stack Software Engineer to help lay down the technical groundwork of our AI documentation platform. This is an exceptional opportunity to be one of our first full-stack hires at a seed-stage company with a clear product-market fit and rapid growth trajectory. You will collaborate closely with our CEO and CTO to develop end-to-end user-facing features, positioning yourself as a future tech lead as we expand.Your ResponsibilitiesAs a foundational software engineer at Nestmed, you will own significant product areas from backend to frontend:Voice Agent for in-visit documentationCoding Agent workflows and automationAnalytics Dashboards and data pipelines for clinicians and administratorsDynamic Visit Guides with real-time promptingCustomer-Editable Documentation behavior and rulesYou will engage with the full stack—designing APIs, building backend systems, and crafting intuitive user interfaces that clinicians appreciate.Your Impact Within the First YearAchieve successful scaling of our platform to meet increased enterprise demand, delivering over 20% productivity gains for clients.Independently build and launch complete user-facing features.Implement infrastructure that facilitates real-time documentation processing.Establish engineering best practices for our expanding team.Take end-to-end ownership of product areas that significantly impact thousands of clinicians.

About UsTransforming Language LearningAt Speak, we are on a mission to revolutionize language learning by making it accessible and effective for everyone. With language learning being a gateway to new cultures and career opportunities, we've developed an AI-powered tutor that offers a unique conversation-first experience. Learners get to speak, receive instant feedback, and progress through meticulously crafted lessons, ensuring a seamless journey from beginner to fluent speaker.Since our inception in South Korea in 2019, Speak has rapidly grown to become the leading language learning app, catering to learners in over 15 languages and various markets. With backing from prominent investors such as OpenAI and Accel, we pride ourselves on being a top player in the AI technology sector, with a diverse team spread across major cities including San Francisco, Seoul, and Tokyo.About This RoleWe are seeking a talented Senior Android Engineer to join our dynamic engineering team. In this role, you will contribute to enhancing our content delivery, executing A/B tests for monetization features, and facilitating the launch of new markets and languages. Your collaboration with backend engineers and cross-functional partners in Product and Design will be crucial as you deliver impactful product features to millions of users.Key ResponsibilitiesDevelop and optimize growth loops including referrals and in-app shareable content.Enhance user acquisition strategies and boost user retention rates.Contribute to pricing strategies and packaging solutions.Support the launch of new markets and language offerings.Refine our text-to-speech capabilities.Improve audio and video streaming systems for a better user experience.Qualifications5+ years of experience as a Mobile Engineer, ideally within a fast-paced startup environment.Strong proficiency in Kotlin, with a deep understanding of mobile architectures like MVC and MVVM.Bonus: Experience with Jetpack Compose and mobile streaming technologies.

Join our dynamic team at 360IT Professionals as a Senior Android Developer and play a crucial role in designing and developing cutting-edge mobile applications. We are looking for an innovative and experienced professional who is passionate about technology and eager to contribute to exciting projects that impact our clients and users.

Join our innovative team as an Android Developer in the vibrant city of San Francisco! As a key player in our software development team, you'll be responsible for designing, developing, and maintaining high-quality Android applications. Your expertise will help shape the mobile experience for our users, ensuring seamless functionality and delightful user interactions.In this role, you will collaborate with cross-functional teams to define, design, and ship new features. You will also be involved in troubleshooting and debugging to optimize performance. If you are passionate about mobile technology and eager to contribute to exciting projects, we want to hear from you!

About StravaStrava is the ultimate app for active individuals, boasting a community of over 180 million athletes across more than 185 countries. It transcends simple workout tracking; it's a platform where athletes progress together, fostering new habits and achieving personal bests. Regardless of your sport or tracking method, Strava is your go-to companion. Connect with your community, achieve your goals, and make every effort count. Start your journey with Strava today.Our mission is clear: to inspire individuals to lead their best active lives. We believe in the transformative power of movement to unite and propel people forward.About This RoleWe are looking for a Senior Android Engineer to join the Subscriptions Team, focused on enhancing Strava’s subscription and checkout experiences. You will develop the Android interfaces that facilitate our transition from free to paid options, including paywalls, purchasing flows, and Google Play Store integrations, impacting millions of athletes worldwide. This role is vital to Strava’s growth and provides significant ownership over highly visible product features.In this position, you will collaborate closely with product, design, analytics, and marketing teams, while also engaging with Strava’s extensive Android community through architecture reviews, code reviews, pair programming, and our active Android guild. Join the team behind the leading fitness app and the 2025 Apple Watch App of the Year as we continue to set standards for Android excellence.We follow a flexible hybrid model, requiring you to be on-site in our San Francisco office for three days a week.What You’ll Do:Lead the Android initiatives on the Subscriptions team, establishing the technical vision and delivering features that impact millions.Drive Strava’s subscription growth through lifecycle experimentation including upsells and checkout enhancements.Maintain and improve our Google Play Billing integration, ensuring critical business processes are stable and reliable.Collaborate closely with product and design teams to deliver polished features in small, focused increments.Mentor fellow engineers through code reviews and pair programming, setting the standard for Android quality across the organization.Leverage the latest AI tools to identify efficient and innovative software development methods.

Role Overview The City and County of San Francisco is hiring a Senior Stationary Engineer. This full-time role focuses on operating and maintaining stationary engines and related equipment across city facilities. The position directly supports the reliable operation of heating, cooling, and power generating systems that serve the community. Key Responsibilities Operate and maintain stationary engines and mechanical equipment in city buildings Monitor system performance to ensure efficient operation of heating, cooling, and power systems Address routine and emergency maintenance needs as they arise Collaborate with team members to support continuous city services What We Look For Strong knowledge of mechanical systems and stationary equipment Commitment to safety and sustainable practices Ability to work effectively as part of a team Experience supporting building infrastructure operations Location This position is based in San Francisco.

Join us on-site in the vibrant Dogpatch neighborhood of San Francisco as a Senior Backend Engineer.About GigaGiga, a pioneering voice AI startup, has successfully secured a $61M Series A funding and boasts an impressive roster of clients including DoorDash. We are dedicated to revolutionizing the customer experience through real-time AI agents capable of understanding emotions and resolving issues instantly, while being scalable across the globe's largest enterprises.This is a pivotal moment for our company as we aim to expand our horizons. Our ambition is to position Giga as the premier AI platform for enterprise automation, driven by our cutting-edge voice superintelligence. To realize this vision, we are seeking exceptional engineers to join our team.Our engineers are empowered to make significant impacts, influencing the daily experiences of millions. This unique opportunity allows you to work alongside visionary founders, contribute to a commercially successful venture, and help shape a generational company. Here are some highlights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga is trusted by leading B2C companies around the world to manage their most complex support and operational workflows across various communication channels including voice, chat, and email. If this excites you, we encourage you to apply!The RoleWe are searching for innovative backend engineers to develop the infrastructure and systems that power our AI agents. You will engage with a variety of technologies from data pipelines and analytics to real-time agent systems, delivering features that have a direct impact on our customers' operations.This position grants you the freedom to own challenges from start to finish—identifying the optimal approach, constructing solutions, and refining them based on your findings.What You'll Work OnHere are a few key projects from our current roadmap:Analytics overhaul: Transitioning our analytics service to ClickHouse and optimizing it for the next phase of growth.Hallucination detection: Enhancing our detection systems with the aim of minimizing hallucination occurrences.Browser agent utilization: Scaling and stabilizing our systems to ensure robust performance.

Join Our Innovative TeamServal is at the forefront of revolutionizing enterprise operations through our AI-native automation platform. We specialize in developing intelligent agents that comprehend and execute real-world workflows seamlessly, replacing outdated manual processes and inflexible legacy systems with dynamic, learning software solutions. Established in 2024, we are proud to be trusted by industry leaders such as General Motors, Notion, Vercel, and more, to streamline high-volume operational tasks across their organizations.At the heart of our operations is an agentic AI platform that converts natural language into efficient, production-grade workflows. Our agents go beyond mere response mechanisms; they engage in reasoning, execute actions across various systems, and continually enhance their capabilities with use. Initially focused on operational tasks, our platform has swiftly expanded to serve diverse functions including IT, HR, Finance, Security, Legal, and Engineering.Our mission is to eradicate repetitive, manual tasks and empower teams through intelligent automation. Ultimately, we aim to construct a universal AI operations layer—a network of agents that integrates with business functions to drive seamless workflows and propel modern companies forward.Position OverviewAs the Senior IT Engineer at Serval, you will be pivotal in developing and refining our internal IT capabilities, utilizing our own ITSM platform as your primary toolkit. Your role will involve leading infrastructure projects and ensuring smooth daily operations as our company scales. This is a full-time, onsite position in San Francisco (5 days/week).This role transcends traditional IT responsibilities; it’s an opportunity to shape the future of IT service management. You will actively test our platform in production environments and provide valuable operational insights to our Product and Engineering teams. Your on-the-ground experiences will directly influence how our product serves IT professionals globally.

Join our dynamic team at Betasoft Systems as an Android Developer! We are seeking a talented individual who is passionate about mobile technology and eager to contribute to innovative projects. In this role, you will be responsible for designing and developing high-performance Android applications that enhance user experience and functionality.

About AirwallexAirwallex is a revolutionary unified payments and financial platform designed for global enterprises. Leveraging our unique blend of proprietary technology and software, we empower over 200,000 businesses globally, including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN, providing them with comprehensive solutions for managing business accounts, payments, spend management, treasury functions, and embedded finance at a global scale.Founded in Melbourne, we boast a diverse team of over 2,000 innovative professionals across 26 offices worldwide. With a valuation of US$8 billion and support from prominent investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, and Salesforce Ventures, Airwallex is at the forefront of developing the future of global financial platforms. Join us to embark on the most ambitious journey of your career.

Join Our Team at GridwareGridware, a pioneering technology firm based in San Francisco, is committed to enhancing and safeguarding the electrical grid. We have developed an innovative class of grid management known as Active Grid Response (AGR), which focuses on monitoring critical electrical, physical, and environmental parameters that influence grid reliability and safety. Our state-of-the-art AGR platform employs high-precision sensors to identify potential issues at an early stage, facilitating proactive maintenance and fault mitigation. This holistic approach promotes safety, minimizes outages, and ensures optimal grid performance. Backed by notable climate-tech and Silicon Valley investors, we are on a mission to redefine grid management. For more details, visit www.Gridware.io.Role OverviewWe are seeking a detail-oriented, technically proficient Senior IT Engineer to join our dynamic team. In this pivotal role, you will spearhead network architecture and facility build-outs, champion IT compliance initiatives, and oversee cross-functional projects from inception to successful completion. This is a highly impactful position ideal for a professional who excels in building robust systems, enforcing critical standards, and delivering complex technical projects within a fast-paced, growth-oriented environment.

At Comulate, we are revolutionizing the insurance back office through the power of AI. Our innovative platform streamlines costly and labor-intensive accounting processes, marking the beginning of our mission to unlock the vast sums spent on manual insurance operations. Our Series B funding, announced in early 2025 and led by BOND & Workday, follows a period of remarkable growth and ambitious expansion plans.Why Join Us?Unprecedented growth trajectory, achieving 8-figure ARR within just three years, placing us in the 95th+ percentile of startup growth.Demonstrated strong product-market fit, with users praising our platform as “the best thing since sliced bread” and “life-changing”.A lean and talented team focused on developing category-defining products for prominent public and private enterprises, driving significant ROI and sustainable operations.We are making bold, innovative bets for a dedicated customer base, with an exciting pipeline of new clients on the horizon.We are just beginning to realize our vision and are well-positioned to integrate AI into crucial workflows across the insurance sector.Role OverviewWe are seeking a Senior Software Engineer to join our in-office team in San Francisco. You will be responsible for developing essential systems, services, and customer-facing features from start to finish. Your work will involve transforming high-level objectives into tangible outcomes, navigating ambiguity, and innovating to discover optimal solutions. As an early member of our team, you will play a crucial role in shaping our company culture and team dynamics.Our technology stack includes: TypeScript, Node, Postgres, React, GraphQL (Apollo), and Next.js.Discover more about our engineering culture and insights on our engineering blog.Are You a Good Fit?A strong desire to innovate and improve software processes.

About AirwallexAirwallex stands as the leading unified payments and financial platform for businesses operating on a global scale. With our innovative blend of proprietary infrastructure and software, we empower over 200,000 enterprises worldwide—including renowned names such as Brex, Rippling, Navan, Qantas, and SHEIN—by providing fully integrated solutions that encompass business accounts, payments, spend management, treasury services, and embedded finance.Founded in Melbourne, we boast a dynamic team of over 2,000 talented professionals across 26 global offices. Valued at US$8 billion and supported by top-tier investors like T. Rowe Price, Visa, Mastercard, and Sequoia, Airwallex is at the forefront of sculpting the future of global payments and financial services. If you are poised to undertake the most ambitious work of your career, we invite you to join us.Attributes We ValueWe seek builders with entrepreneurial spirit who are eager to make a significant impact, accelerate their learning, and take true ownership of their work. You should possess strong expertise in your role, coupled with sharp analytical skills. Your motivation aligns with our mission and operating principles. You are quick to act with sound judgment, driven by curiosity, and make decisions based on first principles, effectively balancing speed and thoroughness.Collaboration and humility are key traits; you transform innovative concepts into tangible products and possess a strong ability to execute projects from start to finish. Leveraging AI to enhance productivity and solve problems efficiently is part of your approach. In this role, you’ll address complex, high-visibility challenges alongside an exceptional team, advancing your career as we redefine the landscape of global banking.About the TeamThe Corporate IT team encompasses our IT support, IT engineering, and business engineering functions at Airwallex. The IT Engineering team is pivotal in shaping our technological landscape, managing everything from communication tools and video conferencing to overseeing our computers, applications, and identity and access management. We design, develop, and operate the systems and services that our Airwallex teams utilize to innovate our products, serve our customers, and conduct our business operations. Collaboration is essential, as we partner with every department—from Finance to Engineering, People Operations, and Support—to address challenges and create effective solutions.What You’ll DoAs a Senior IT Engineer, you will lead the resolution of technical challenges faced by our business and IT operations teams. You will...

Briefly is leveraging artificial intelligence to enhance the efficiency of law firms. We are seeking a Senior Engineer to join our dynamic team and contribute to the development of our innovative product. The ideal candidate will appreciate the fluidity of early-stage projects and thrive in a rapidly evolving environment. Key Responsibilities- Engage actively in evaluating and implementing product requirements.- Contribute significantly to architectural decisions and discussions.- Independently write clean, efficient, and thoroughly tested code. Technology Stack- Proficient in TypeScript/JavaScript (web & Node)- Experienced with React- Knowledgeable in SQL (PostgreSQL)- Familiar with Git/GitHub including GitHub Actions Additionally, you will have the opportunity to work with and expand your skills in the following technologies:- Azure OpenAI API- pgvector- Supabase- Azure cloud services We adhere to an Agile development methodology, focusing on continuous integration and deployment. Experience in this type of environment is advantageous. Company CultureOur ideal candidate flourishes in a talented team that is dedicated to producing exceptional work. Our CTO, Chris, brings valuable insights from his experience with multiple startups, helping us navigate common pitfalls.We aim to foster an environment where individuals can take pride in their contributions, where thoughtful goal-setting supersedes frantic heroics, and where ownership is not only encouraged but is a fundamental part of our ethos. You will have both the freedom and responsibility to take charge of projects that inspire you. Join us in transforming the legal technology landscape and making a significant impact in the industry! For more information about this role, please reach out directly to Chris via email. Visit our website at https://briefly.legal for more details.

Join Our TeamAt Stytch, we pride ourselves on being the premier identity platform tailored for developers. Our innovative features, such as device fingerprinting and secure account takeover-resistant authentication, empower businesses to manage identity and access with confidence. As a Senior Software Engineer, you will collaborate closely with leadership to elevate our product experiences to unparalleled levels. Your role will involve architecting solutions across our technology stack, overseeing the design and implementation of team projects, and focusing on the most vital initiatives on our product roadmap.This is a hybrid full-time role based in the SF Bay Area. While we value in-office collaboration, we understand the importance of flexibility. We aim for team members to work in the office three days a week, fostering strong connections while allowing for remote work flexibility.What Inspires YouA collaborative workspace that allows you to see the direct impact of your work on user experience.A passion for mentoring fellow engineers and nurturing the next generation of engineering leaders at Stytch.The ability to envision future system designs while delivering incremental improvements and making strategic trade-offs to accelerate value delivery.A deep pride in your code, with a commitment to writing, reviewing, and maintaining high-quality software.An eagerness to shape team culture and drive growth through effective recruitment of senior engineers and streamlined operational processes.A desire to create user-friendly products that simplify the lives of developers both internally and externally, enhancing the experience for Stytch's customers.What We Seek5+ years of experience as a backend or backend-focused full-stack engineer.Basic familiarity with frontend technologies (ability to debug frontend as necessary; frontend expertise not mandatory).Experience with Go, Node.js, TypeScript, and React.

Senior Software EngineerEngineeringProlific is at the forefront of AI innovation, crafting the essential human data infrastructure that is transforming the AI development landscape. In an era where foundational AI technologies are becoming increasingly common, it is the quality and diversity of human-generated data that sets apart leading products and models.The roleWe seek impact-driven Software Generalists to join our expert team dedicated to supporting frontier model creators and enterprise AI application developers. As a full-stack engineer, you will collaborate across Prolific’s various domains to address customer and product challenges.This position offers an exhilarating chance to engage directly with pioneering AI companies, making vital technical decisions that balance agile startup execution with scalable, reliable engineering practices, as Prolific transforms research within the AI community. You will regularly collaborate in person with customers and our US team, while also working closely with our technology teams based in the UK.What you’ll bring to the roleOver 4 years of experience in a product engineering roleAbility to translate business concepts into effective software modelsCapacity to quickly learn and adapt across the breadth of Prolific’s domainsExperience working with both monolithic and distributed systemsExcellent communication and collaboration skills for direct customer interactionStrong understanding of modern web applications and architecture design patternsExperience in supporting applications within production environmentsSound judgment in technical decisions

The Center for AI Safety (CAIS) is at the forefront of research and advocacy dedicated to addressing the societal-scale challenges posed by artificial intelligence. Our mission is to mitigate the risks associated with AI through innovative technical research, initiatives to foster the field, and strategic policy engagement. Together with our sister organization, the Center for AI Safety Action Fund, we tackle some of the most pressing issues in AI today. In the role of Senior Research Engineer, you will immerse yourself in the dynamic intersection of pioneering machine learning research and dependable engineering practices. You will own research projects from inception to publication, working autonomously with guidance from an advisor. Your responsibilities include designing and conducting experiments on large language models, developing the necessary tools for large-scale model training and evaluation, and transforming findings into research publications. You will collaborate closely with CAIS researchers, as well as external academic and commercial partners, utilizing our compute cluster for extensive training and evaluation. Your work will cover critical areas such as AI honesty, robustness, transparency, and the investigation of trojan/backdoor behaviors, all aimed at reducing the real-world risks posed by advanced AI systems.

Join our dynamic team at abridge as a Senior IT Systems Engineer. In this pivotal role, you will leverage your expertise to design, implement, and maintain robust IT systems that drive our business operations forward. Collaborate with cross-functional teams to innovate and enhance our technological infrastructure, ensuring seamless integration and optimal performance.