Founding Full-Stack Engineer at dryft | San Francisco

Join the Dryft TeamDryft is at the forefront of innovation, creating intelligent systems that streamline complex human decisions in manufacturing operations.We are a tight-knit team with a passion for the physical world, spanning across vehicles, machinery, and aerospace. Our group comprises graduates from esteemed institutions such as Stanford, Berkeley, CD…

Join Fluency, the trailblazer in autonomous enterprise solutions.We invite you to be a part of a groundbreaking software initiative that is set to redefine enterprise operations. Dive into the future's data layer.Fluency is in search of a dynamic Full Stack Engineer to help build the autonomous enterprise.You'll tackle challenges that currently have no predetermined solutions. Our platform processes terabytes of workflow data for each enterprise client in real-time, enabling systems that map, relate, contextualize, and analyze work patterns throughout organizations. Consider it akin to the human genome project, but for enterprise workflows.In this role, you'll be tasked with inventing new data primitives and paradigms, which involves designing innovative data structures for work representation, developing pipelines capable of processing billions of events daily, and authoring whitepapers on methodologies that are yet to be established.You will be at the forefront of data science, where the conventional playbook has yet to be written.With backing from top-tier VCs such as Accel, we're reaching a pivotal moment with enterprises worldwide.You will collaborate closely with our founders and engineering team. The technical challenges are unprecedented: from real-time processing on a massive scale to creating a universal taxonomy for work applicable across every industry, and constructing systems designed to manage the most intricate enterprise data environments on the planet.

Superhuman embraces a vibrant hybrid working model that perfectly balances focused individual work with collaborative in-person interactions to cultivate trust, innovation, and a robust team culture.About SuperhumanSuperhuman, now empowered by Grammarly, is an innovative AI productivity platform dedicated to unlocking the extraordinary potential within individuals. Our suite of applications seamlessly integrates AI into daily workflows, connecting with over 1 million applications and websites. Our offerings include Grammarly's writing enhancement tools, Coda's collaborative workspaces, Mail's inbox management solutions, and Go, our proactive AI assistant that intuitively understands context to provide timely assistance. Since our inception in 2009, Superhuman has empowered over 40 million users, 50,000 organizations, and 3,000 educational institutions worldwide, enabling them to streamline their tasks and concentrate on what truly matters. Discover more at superhuman.com and explore our core values here.The OpportunityTo fuel our ambitious growth, we are seeking talented Full-Stack Software Engineers to join our engineering teams. As a Full-Stack Engineer at Superhuman, you will be instrumental in developing key components of our product offerings, infrastructure, and features that enhance the writing capabilities of our 40 million users. This role offers a unique opportunity to engage in both Front-End and Back-End development, contributing to highly visible and impactful projects.Our engineers and researchers enjoy the freedom to innovate and drive breakthroughs that directly influence our product roadmap. As we scale our interfaces, algorithms, and infrastructure, the complexity of our technical challenges continues to grow. You can learn more about our technical endeavors on our technical blog.Superhuman is experiencing rapid growth, creating opportunities to join dynamic teams, learn from seasoned professionals, and build innovative products from the ground up. Within our expanding engineering organization, you will find ample room for ownership and a direct impact on user experience.As a Full-Stack Engineer, your responsibilities will include:Rapidly building and deploying code, with the opportunity to deliver significant features within your first few months.Developing and maintaining high-performance Back-End services and creating engaging user interfaces on the Front-End.

About ChalkChalk is at the forefront of developing a cutting-edge data platform that revolutionizes machine learning applications. We are committed to dismantling the traditional barriers of complexity, latency, and scalability that have limited ML capabilities. By merging high-performance Rust technology with user-friendly tools, we empower developers and organizations alike. Our platform is trusted by leading companies to combat fraudulent credit card transactions, validate identities, and optimize clean energy utilization. Recently, we secured a $50 million Series A funding round, spearheaded by Felicis.About the RoleWe are actively seeking passionate Full Stack Software Engineers to join our dynamic team. This is a unique opportunity to contribute significantly as an early employee within a rapidly growing startup. You will have the autonomy to tackle complex engineering challenges while taking full ownership of your work.Our ideal candidates are versatile engineers who excel at addressing business challenges across all layers of the software stack. At Chalk, we prioritize building robust data processing systems that perform efficiently at scale, all while focusing on an exceptional developer experience.We require engineers capable of crafting outstanding user experiences across both CLI and web interfaces, alongside a strong understanding of a codebase enriched with concepts from compilers, query planners, and distributed systems.Our team works in the office five days a week, with flexibility for unavoidable conflicts. Please note, this is not a hybrid position.What You Will DoCollaborate directly with Chalk’s co-founders to bring our first iteration to production.Develop applications using TypeScript, Python, Go, and React.Contribute to a codebase that incorporates advanced ideas from various fields.

About LindyAt Lindy, we are dedicated to creating an AI assistant tailored for everyday users—those who want to reclaim their time without the hassle of complicated setups. Our Lindy Assistant seamlessly integrates into iMessage, managing email, calendars, and meetings, all set up in just two minutes. We’re bridging the gap between advanced AI technology and the lives of real people.The RoleJoin our dynamic team as a Full-Stack Software Engineer, where you will contribute to the foundational Lindy experience through a robust full-stack Typescript application built on React and Node.js.Our team primarily works on-site from our San Francisco office, meeting four days a week. We offer visa sponsorship and relocation assistance of up to $20,000.Responsibilities:Collaborate closely with the founder, product managers, designers, and fellow engineers to make informed trade-offs and develop a premier product.Act swiftly to implement essential features while maintaining a sharp focus on detail and producing high-quality, maintainable code.Take full ownership of your features from inception through deployment and beyond, including product requirements, coding, testing, monitoring, and ongoing maintenance.Explore our Culture Document and read our Engineering Standards of Excellence.

About SemgrepSemgrep, a pioneering force in code security, empowers developers to innovate seamlessly. Our platform enables teams to identify, address, and resolve critical security issues before deployment, utilizing an intelligent security system that evolves alongside your code. With Semgrep, developers can code confidently, benefiting from proactive guardrails that maintain workflow without disruption, while security teams gain enhanced visibility and control. Leveraging AI, Semgrep minimizes false positives and prioritizes actionable vulnerabilities, achieving validation from 95% of security reviewers across over 6 million findings. Our solution dramatically reduces the backlog of false positives, allowing AppSec teams to focus on what truly matters.Founded in San Francisco and supported by prominent investors such as Menlo Ventures, Felicis Ventures, Lightspeed Venture Partners, Redpoint Ventures, and Sequoia Capital, Semgrep is recognized by Gartner for Application Security Testing and is trusted by industry leaders like Snowflake, Dropbox, and Figma. Discover more at semgrep.dev.About the RoleAs a Senior Full Stack Software Engineer, you will engage in the complete development lifecycle, crafting and sustaining a swift, reliable user experience tailored for our clients. You will collaborate intimately with designers and product managers to create user flows that empower both AppSec professionals and developers in achieving their security objectives. You will take ownership of feature implementation across both the frontend and backend, ensuring scalability as we experience rapid growth this year.Our technology stack includes Typescript and React for the frontend, with Python, Flask, and SQLAlchemy on the backend, all deployed via Kubernetes and hosted on AWS. While professional experience with these technologies is preferred, we are open to candidates who are eager to learn and adapt quickly!This is a hybrid role, with an expectation to work in our San Francisco, New York, Boston, or Denver offices at least 3 days per week, depending on the team. Exceptional candidates may be considered for remote work.

Join Filevine, a pioneering company in Legal AI, as we deliver cutting-edge Legal Operating Intelligence designed for the future of legal operations. Our unique platform integrates data, documents, workflows, and teams, ensuring clarity and consistency in modern legal work.Driven by our innovative LOIS (Legal Operating Intelligence System), we transform legal operations from merely reactive to proactive, enabling professionals to gain deeper insights, automate complex tasks, and enhance their productivity. Our exceptional team of collaborators and innovators has propelled Filevine to rapid growth, earning accolades such as recognition from Deloitte and Inc. as one of the fastest-growing and most innovative tech companies nationwide.Role Overview:As a Senior Full-Stack Software Engineer on our contract review and drafting team, you will play a pivotal role in designing and building the essential systems that drive our AI-native workflow engine. Your work will span the entire technology stack, including Word add-in surfaces, Next.js web applications, Go services, LLM orchestration, document processing, and agentic systems. You will collaborate closely with product management, design teams, and our clients to deliver features that significantly enhance the capabilities of in-house legal teams for contract review and negotiation.

About SvixSvix is an innovative startup revolutionizing server-to-server communication with a focus on webhooks. Our robust, scalable infrastructure is trusted by industry leaders such as Etsy, TaskRabbit, and Brex, including Fortune 500 companies.With a product and team in the top 1%, we take pride in our customer satisfaction and aim to create a next-generation developer infrastructure company.To fuel our growth, we've successfully raised $11 million from prestigious investors like a16z and Y Combinator, as well as influential founders and CTOs from GitHub, Segment, Lookout, and Fly.io.About the RoleWe are in search of an exceptional full-stack engineer who is passionate about creating reliable and user-centric products. In this role, you'll tackle engaging problems and technical hurdles. Our fast-paced environment values quick execution, and you will share our commitment to delivering an outstanding developer experience.If you are a high achiever eager to excel in your career alongside like-minded individuals, this is the perfect opportunity for you.MissionWe seek a versatile engineer capable of contributing to both frontend and backend development to enhance user experiences and build scalable infrastructure. You will face intriguing challenges in a dynamic setting where speed of execution is paramount, and we are dedicated to ensuring a remarkable developer experience.OutcomesDeliver high-quality production code in a high-energy environment.Assist the team in scaling the product while maintaining stability and uptime.Develop new features that enhance the developer experience for our clients.CompetenciesA talented and enthusiastic engineer committed to delivering excellence.Proficiency in crafting production-ready UIs using React and TypeScript.Experience in developing backend services with strongly typed programming languages.A solid understanding of design principles and user experience best practices.Exceptional communication skills and a collaborative spirit.A passion for ensuring a fantastic developer experience.

ABOUT THE ROLE:As a Full Stack Engineer at Varick Agents, you will play a pivotal role in developing the foundational infrastructure and product interfaces that drive our agent deployments. While this position is not client-facing, your contributions will ensure that each deployment is executed with enhanced speed, reliability, and consistency.This dynamic role requires you to engage with backend services, APIs, data pipelines, and user interfaces. Your responsibilities will include creating the orchestration layer for agent execution and developing the dashboards and controls utilized by clients, ensuring that every line of code you write supports real enterprise operations.WHAT YOU'LL DO:Develop and manage backend services for agent orchestration, tool activation, and workflow execution.Design and implement product interfaces for agent monitoring, human-in-the-loop controls, and client dashboards.Construct data pipelines that integrate with various enterprise systems such as ERPs, CRMs, and data warehouses.Create internal tools that expedite deployment processes and minimize engineering time for individual clients.Ensure the reliability, observability, and performance of production systems.Collaborate closely with Frontend Developers to transform client-specific solutions into reusable platform capabilities.WHAT WE'RE LOOKING FOR:At least 3 years of experience in software engineering, specifically in building production systems.Strong understanding of backend fundamentals including APIs, databases, cloud infrastructure, and distributed systems.Proficiency in full stack development, capable of creating both backend services and the UI that interfaces with them.Production experience with Python.Familiarity with cloud infrastructures such as AWS, GCP, or Azure, including containers, managed databases, and CI/CD practices.A commitment to code quality, testing, and the deployment of stable solutions.HELPFUL EXPERIENCE:Experience integrating with enterprise systems (REST/SOAP APIs, webhooks, ETL pipelines).Knowledge of large language model APIs and agent frameworks.Frontend development experience with technologies like React or Next.js.Experience with Infrastructure as Code tools like Terraform or Pulumi.Background in building multi-tenant SaaS or platform products.Experience in startup or early-stage environments.WHY VARICK:Join an innovative team at Varick Agents where you can make a significant impact through your engineering expertise.

About Multiply AIMultiply AI is an innovative and rapidly expanding startup that leverages artificial intelligence to empower B2B companies in optimizing their paid advertising strategies and connecting with their ideal customers. Unlike conventional ad campaigns that lose effectiveness over time, Multiply AI develops self-adaptive growth advertisements that enhance their performance through a unique combination of AI technology and skilled human operators.As a team of 13 individuals currently, you'll be the 14th, playing a pivotal role in our growth journey.Role OverviewWe are seeking a passionate AI-native engineer who integrates AI into their development processes, rather than treating it as an afterthought. In this early-stage engineering role, you will have the opportunity to directly influence our product's development and contribute to strategic decisions regarding our technical framework, roadmap, and long-term vision.This is a full-time position based at our San Francisco headquarters, where teamwork and innovation flourish.We are dedicated to building a transformative company, and if you're eager to embark on an exhilarating journey, this position could be your perfect match.Your ResponsibilitiesRapidly develop 0 → 1 product features and iteratively refine them based on direct customer insights.Design and implement systems that integrate LLMs and AI agents into fundamental workflows.Manage complex multi-step AI systems (agents, evaluations, feedback loops, etc.).Take complete ownership of features from conception to deployment and beyond.Collaborate closely with the founders on product development, strategic direction, and technical choices.Contribute to enhancing our engineering culture, tools, and overall efficiency.Play a significant role in nurturing and mentoring our initial team.Defining “AI-Native”We expect you to be already utilizing tools like Cursor, Claude Code, Codex / OpenAI APIs or similar AI-assisted development practices as integral components of your software development methodology.

About TrueClaimTrueClaim is revolutionizing health plan administration software with cutting-edge technology and artificial intelligence (AI). Many health plans and third-party administrators (TPAs) still rely on outdated legacy systems that are inefficient, prone to errors, and expensive. We provide a modern solution: AI-driven claims review, an API-first architecture, and a platform designed to streamline the management of health plans. Think of us as Shopify, but tailored for health plans.Backed by Y Combinator, our team comprises industry veterans from companies like Hinge Health, Pine Park Health, and pMD, all of whom have successfully built and scaled healthcare organizations. We are already generating revenue, acquiring customers rapidly, and are committed to modernizing the operation of health plans to enhance transparency, efficiency, and affordability within the healthcare system.About The RoleWe are in search of a Full Stack Product Engineer who excels at transforming innovative ideas into tangible products. You will take ownership of entire features from conception to deployment: understanding customer needs, designing solutions, and continually iterating on them. This role requires you to be present at our San Francisco office four days a week.What You'll DoDevelop across our full technology stack and deploy new features seamlessly by writing high-quality code in Python and front-end Next.js with TypeScript.Deliver code to production on a daily basis and witness the direct impact of your work on health plan operations and member healthcare experiences.Engage in thrilling projects, such as:Creating our AI-powered claims adjudication engine that identifies billing errors overlooked by human reviewers.Designing rapid and efficient financial transaction features and infrastructure typically seen in fintech.Building user-friendly administrative tools for our clients that simplify complex insurance workflows.Enhancing our in-app member experience to boost engagement and positive health outcomes.QualificationsMinimum of 3 years of experience as a full-stack engineer.Strong proficiency in Python and front-end Next.js with TypeScript, with a proven track record of delivering high-quality code in production settings.Bonus: Experience in healthtech or fintech/payments, as well as a background in early-stage startups with a history of frequent feature releases.LogisticsThis is an in-office role located in San Francisco, California.

Join our client as a Founding Full-Stack Engineer!We are seeking a talented and passionate Full-Stack Engineer to be part of a dynamic team in San Francisco. This is a unique opportunity to work closely with an innovative startup transitioning from seed funding to Series B. As an early hire and founding engineer, you will have a significant impact on the development of our product and the direction of our company.

About ShepherdAt Shepherd, we are pioneering a technology-driven approach to transforming commercial Property & Casualty insurance, specifically within high-hazard industries. Our objective is to streamline risk management for the builders and operators who are shaping the physical world, ensuring that progress is safeguarded from the initial concept phase through construction and into long-term operations.We are developing the most advanced and efficient commercial risk platform, where our underwriting expertise integrates seamlessly with data and automation to provide:Accelerated decision-making processesMore intelligent and precise pricing modelsEnhanced risk outcomesWith Shepherd, we are redefining the interplay between safety, speed, and quality, allowing these elements to work in synergy rather than at odds. Our aim is not merely to modernize insurance products, but to create the risk infrastructure necessary for the next generation of financial services, where technology, underwriting, and partnerships coalesce to support vital industries and the progress they enable.

Join Our Innovative Team as a Full Stack Engineer!As a key player in one of our esteemed client's projects, you'll be at the forefront of AI-driven application development. We are looking for a talented Full Stack Engineer with a robust skill set in Python, TypeScript, and ETL pipelines. This is an exciting opportunity to leverage your technical expertise to design and build scalable backend systems alongside creating user-friendly frontends that deliver insightful data through AI technologies.Key Responsibilities:Comprehensive Development: Architect and deploy top-notch AI-driven web applications while ensuring optimal performance and maintainability across the stack.Backend Development: Engineer resilient server-side applications using Python (FastAPI, Flask, or Django), and integrate with databases, APIs, and AI/ML models.Frontend Development: Craft dynamic and responsive user interfaces using TypeScript (React.js, Next.js, or Angular) to enhance user experience.Collaboration: Partner with data scientists to seamlessly integrate machine learning models, ensuring efficient data flow and performance monitoring.ETL Development: Design and optimize ETL processes for effective data collection and transformation from diverse sources.API Development: Create and utilize RESTful and GraphQL APIs for seamless communication between systems.Cloud Deployment: Utilize AWS, Azure, or GCP for deploying, scaling, and managing applications and ETL systems.Quality Assurance: Implement automated testing strategies to maintain high software quality and reliability.Continuous Learning: Stay updated with the latest technologies and propose innovative solutions to improve development practices.

Join Dryft as a Full-Stack Engineering Intern!About Us: At Dryft, we develop advanced systems designed to streamline intricate human decision-making processes in manufacturing operations. Our compact yet highly skilled team is deeply rooted in a passion for the tangible world, embracing everything from cars and machines to aircraft. Our diverse group includes alumni from prestigious universities such as Stanford, Berkeley, MIT, and TUM, and boasts accolades from events like Stanford TreeHacks. We have engineered everything from robots and race cars to software with millions of downloads.Backed by visionaries from Amazon, Facebook, Stripe, Applied Intuition, and supported by investors like General Catalyst and Neo, our team is committed to innovation in industrial technology.At Dryft, we foster a culture of straightforward communication and direct feedback. We seek individuals who aspire to grow rapidly while taking on significant responsibilities.Your Role:As a Full-Stack Engineering Intern, you will play a crucial role in shaping Dryft's decision intelligence framework. You will design scalable systems that integrate agent-based reasoning, mathematical optimization, and simulations utilizing vast industrial datasets.This position allows you to work independently on dedicated projects, often collaborating directly with customers while receiving mentorship from experienced engineers who will guide you throughout your journey. Many of our foundational engineers have previously been integral members of venture-backed startups in the San Francisco area.Qualifications:You are passionate about creating scalable, interpretable, data-driven agents from multiple angles including algorithms, architecture, and infrastructure.You possess a keen product sense and thrive in direct daily interactions with customers.You have successfully shipped production code end-to-end, demonstrating strength in backend and infrastructure, while being comfortable implementing fundamental frontend features.You are prepared to work onsite in San Francisco (visa support is available).

Join Promise as a Full-Stack Software Engineer, where you will play a crucial role in developing innovative software solutions. In this dynamic position, you will collaborate with cross-functional teams to design, implement, and optimize full-stack applications. Your expertise will be vital in enhancing user experiences and driving technical excellence across our projects.

About the TeamThe ChatGPT Enterprise team at OpenAI operates within the B2B Applications organization, dedicated to tailoring ChatGPT for large-scale business applications. Our mission is to create an effortless experience that allows users to access the same product for personal and professional use, while addressing the specific needs of enterprises, including robust security protocols, administrative controls, regulatory compliance (e.g., HIPAA/FINRA), and geographic data residency requirements. Our roadmap encompasses three primary workstreams: enterprise controls, user engagement & activation, and tailored company-specific products (e.g., Company Knowledge).About the RoleWe are seeking talented full stack engineers to enhance the product experience for ChatGPT, ensuring it becomes an essential tool for teams. This position emphasizes user benefit and activation: crafting collaborative experiences, onboarding methods, and engagement strategies that empower employees to discover and utilize advanced functionalities, such as agents and customized GPT-like workflows.In this role, you will:Develop comprehensive features across frontend, backend-for-frontend, and service layers to enhance team collaboration and work sharing within ChatGPT.Design and implement activation and engagement systems (e.g., product hooks, discovery interfaces, and user rollout processes) to increase adoption among various user groups within an organization.Collaborate cross-functionally with engineers focused on enterprise controls (security, permissions, compliance, data residency) and company knowledge/search to ensure features are launched with appropriate safeguards and enterprise readiness.Work closely with adjacent teams (including API and agent initiatives) to seamlessly integrate agent functionalities into the ChatGPT user interface, ensuring a native, secure, and scalable experience for business applications.

Join the Revolution in Enterprise AutomationAt Fluency, we are at the forefront of creating the autonomous Enterprise. We are searching for an exceptional full-stack software engineer to help us redefine the way enterprises operate and interact with data. Step into the future with us!Your role will involve tackling challenges that currently have no predefined solutions. You will handle terabytes of workflow data in real-time for our enterprise clients, developing systems that map relationships, contextualize, and analyze work patterns across entire organizations. Picture the human genome project, but for enterprise workflows!As a key team member, you will create innovative data structures and pipelines capable of processing billions of events daily. You will also contribute to groundbreaking research by authoring whitepapers on unprecedented methodologies. This is an opportunity to operate at the cutting edge of data science, where the existing playbook is still being written.With backing from top-tier VCs like Accel, we are poised for significant growth with enterprises across the globe.You will collaborate closely with our founders and engineering team to tackle unprecedented technical challenges: real-time data processing at massive scale, developing a universal taxonomy for work across diverse industries, and constructing systems that manage the most complex enterprise data environments on the planet.

About MeshAt Mesh, we are dedicated to empowering consumers to transact using any asset. With trillions of dollars in tokenized assets existing yet largely untapped for everyday commerce, we are committed to bridging this divide. Our innovative platform is designed to make crypto payments reliable, effective, and widely accessible. By integrating a robust orchestration engine with an intuitive consumer application, we facilitate liquidity for the global economy. Supported by top-tier investors such as PayPal Ventures, Paradigm, and Galaxy Ventures, we are paving the way for the future of financial transactions. Join us in this exciting journey!OverviewWe are on the lookout for a skilled and seasoned Staff Full Stack Software Engineer (Web3) who possesses a solid experience in developing modern web applications and scalable backend systems. As a vital member of our team, you will be instrumental in designing, developing, and maintaining our cutting-edge software solutions, including the integration of Web3 functionalities such as wallet connections, signing flows, and on-chain/off-chain interactions. Mesh operates on a global scale with headquarters in San Francisco, California. This role will involve close collaboration with engineering and product teams across North America, Europe, and India.

Join Retell AI as a Senior Full Stack Software EngineerAt Retell AI, we are revolutionizing the call center industry with innovative voice AI technology. Our cutting-edge solutions are designed to improve communication efficiency, allowing businesses to automate sales, support, and logistics calls that once required large teams of human agents. In just 18 months, we have experienced remarkable growth, achieving $36M in annual recurring revenue with a dedicated team of 20, up from $5M at the beginning of 2025.Our goal for 2026 is to create a modern customer experience platform powered entirely by AI. We are not just automating but building intelligent AI agents that can perform the roles of frontline agents, quality assurance analysts, and managers, continuously enhancing customer interactions.We are rapidly expanding and seeking talented individuals who are ready to solve challenging technical problems, work at a fast pace, and make a significant impact in one of the fastest-growing voice AI startups.Let’s shape the future of communication together!