Founding Product Engineer

ABOUT SPHEREAt Sphere, we believe that transformative advancements in trade infrastructure drive market expansion and reduced transaction costs. Just as containerization revolutionized goods transport and SWIFT transformed money transfers, we are tackling one of the last frontiers: compliance. With over 190 sovereign jurisdictions constantly evolving and int…

At Netic, we are revolutionizing the AI landscape for essential services that underpin the American economy.With $43 million in funding from notable investors such as Founders Fund, Greylock, Hanabi, and Dylan Field who spearheaded our Series B, we have empowered our clients to secure hundreds of thousands of jobs across various service sectors in North America. Our platform is now being utilized by companies that operate entirely on an AI-first model.Join a team of passionate innovators from leading organizations like Scale, Databricks, HRT, Meta, as well as distinguished institutions like MIT, Stanford, and Harvard, as we strive to integrate cutting-edge AI into the physical economy, tackling challenging problems with complex data and delivering immediate, impactful results.As a Founding Platform Engineer, you will take ownership of the semantic layer that powers our record-keeping system and facilitates the development of compounding products across the organization. This role is uniquely positioned within Netic due to the extensive scope and design of our platform. From day one, our system must operate seamlessly across various industries, geographic regions, and regulatory frameworks, necessitating a highly customizable platform that supports distinct workflows and business rules while remaining comprehensible and manageable for engineers in production.Your work will directly influence how dynamic workflows are constructed, packaged, and delivered to our customers. The abstractions you create will play a crucial role in the speed at which we can launch new products, enter new verticals, and address real-world edge cases without compromising reliability. If you are enthusiastic about crafting foundational systems where flexibility, accuracy, and developer experience are paramount, this is an exciting opportunity to build a resilient platform that will define our company.

Location: Bay AreaRole: Founding Abuse Engineer Arena Intelligence provides transparent, real-world evaluations of AI models. Founded by researchers from UC Berkeley’s SkyLab, the company supports organizations worldwide with trusted benchmarks and monthly leaderboards used by millions. Arena’s team draws on experience from UC Berkeley, Google, Stanford, DeepMind, and Discord, and values truth, speed, and quality. The company encourages curiosity and welcomes people who want to make a difference in practical AI assessment. Role overview The Founding Abuse Engineer shapes the strategy and systems that keep Arena’s platform safe from misuse. This position covers everything from designing detection and enforcement tools to investigating threats and defending the integrity of Arena’s leaderboards. The work is both foundational and highly visible, setting standards for future trust and safety efforts as threats evolve. What you will do Design and implement systems to detect and prevent automated abuse and other misuse across Arena’s products Investigate threats and respond to new abuse tactics targeting AI model evaluations Collaborate with product, infrastructure, model collaborators, policy, and leadership teams to maintain secure and reliable leaderboards Define technical strategy for platform integrity and trust Establish the foundation for future trust & safety and abuse engineering work Collaboration This role works closely with teams across Arena, including product, infrastructure, policy, and leadership. The impact is direct: keeping leaderboards secure, intercepting harmful behavior, and ensuring Arena’s services can be safely deployed.

Join Momentic and Shape the Future of Quality.At Momentic, we are at the forefront of innovation with our comprehensive quality platform, leveraging cutting-edge AI agents to empower our clients in maintaining quality throughout every phase of the Software Development Life Cycle (SDLC).Leading engineering teams at renowned companies such as Notion, Bilt, Quora, and Xero rely on Momentic to deliver exceptional products. Our platform executes millions of tests daily, ensuring the highest standards of quality.With a vast problem space to explore, we are eager to bring on board several talented software engineers across various tech stacks. Your expertise will help us build and own significant components of our solution.About Our ProductWe are developing an AI-native automated testing platform.Our product is highly integrated into our clients' workflows, serving as a quality gate for every pull request and deployment.We stand out in the market, far surpassing traditional tools like Selenium, Cypress, and Playwright.Experience our platform in action by watching the demo video on our website.About UsWe are a dynamic team of 12 professionals with backgrounds from companies like Robinhood, Retool, WeWork, Qualtrics, and Assembled.Located in San Francisco, we work in a collaborative office environment.Recently, we secured a Series A funding round, raising $15M led by Standard Capital, with participation from our esteemed investors, including Y Combinator, FCVC, and Transpose Platform.Ideal Candidate ProfileYou thrive on tackling complex challenges that involve both product development and technical uncertainties.You possess robust engineering fundamentals, write efficient code, and are aware of your strengths and areas for growth.You prefer hands-on work over meetings and are focused on productivity and delivering results.You excel in environments that grant you autonomy and allow you to manage your own projects.You are located in San Francisco or are willing to relocate, and you value in-person collaboration as part of our company culture.

Join Dryft as a Founding Forward Deployed EngineerAbout Dryft: At Dryft, we are revolutionizing manufacturing operations by developing intelligent systems that automate intricate human decisions. Our small yet highly skilled team, with backgrounds from prestigious institutions like Stanford, Berkeley, CDTM, and TUM, is passionate about the physical world, encompassing everything from vehicles to machinery. Our team members include Stanford TreeHacks winners and recipients of notable scholarships, who have created innovative solutions ranging from robots to software with millions of downloads.We are proudly supported by industry leaders from Amazon, Facebook, Stripe, Applied Intuition, and more, along with major investors like General Catalyst and Neo. While we've already saved our customers millions, this is just the beginning of our journey to redefine how the physical world operates.The Role: As a Founding Forward Deployed Engineer, you will embark on an entrepreneurial journey, gaining invaluable insights into what it takes to be a successful founder, listener, and builder. This role blends engineering with direct customer interaction (50% Engineering, 50% Customer Engagement).Design Product Backbone: Engage directly with users to translate their challenges into actionable product enhancements. Your hands-on approach will include prototyping and potentially writing production code.Transform Operations into Product: Each deployment will serve as a model for scalability, allowing you to convert insights into reusable product features, data models, and operational playbooks.Lead Full-Stack Rollouts: Take ownership of implementations from start to finish, collaborating with IT teams, engineers, and C-level executives across Europe and the US (10-30% travel).Shape Dryft’s Growth: Work closely with our CEO and CTO to define the product's core attributes, laying the groundwork for future teams and potentially moving into leadership roles like CPO or COO.This is a role that requires high ownership and independence for those who thrive on turning complexity into simplicity and delivering effective solutions.

About FoundAt Found, we recognize the unique challenges faced by the self-employed workforce, which encompasses a vibrant community of 60 million Americans. Navigating complexities such as taxes, accounting, bookkeeping, and business banking can be daunting. That's where we step in.We are dedicated to crafting innovative tools that empower self-employed individuals with the security and peace of mind that has traditionally been reserved for larger corporations. Our business banking solutions automate tax and expense tracking, allowing small business owners to focus more on their passions rather than their finances.We invite kind, resourceful, and passionate individuals to join us in creating a robust safety net for the self-employed.Key Responsibilities:Collaborate with cross-functional teams to shape the product roadmap and influence company-wide strategy; analyze customer trends, gather product feedback, and identify pain points.Mentor managers to ensure their teams achieve goals and excel in their daily operations.Establish and track KPIs, OKRs, and operational tasks to drive team performance; develop strategic initiatives for the Customer Experience organization.Contribute to the creation of internal processes, policies, documentation, and training that bolster team effectiveness.Assist customers by managing high-profile internal and external escalations.

Founding Full Stack EngineerLocation: San Francisco Bay AreaType: Full-TimeCompensation: Competitive salary + significant equity (founding tier)Supported by 8VC, we are assembling a top-tier team to address one of the industry's most pressing infrastructure challenges.About the RoleWe are seeking a founding full stack engineer to help design and build our platform from the ground up. This is a rare opportunity to influence a substantial portion of the technology stack and advance into a leadership position with considerable equity potential.You will work on infrastructure that merges extensive data systems with AI-driven agents. This role offers a high degree of autonomy and ownership over core architecture and the foundational team culture.Your responsibilities will include writing production code for both backend and frontend, defining interfaces between components, shaping devops and data infrastructure, and translating abstract ideas into functional systems. If you thrive in an environment with rapid feedback, direct impact, and long-term rewards, this position is ideal for you.ResponsibilitiesDesign and develop scalable APIs, backend services, and web application componentsContribute across the technology stack: data pipelines, agents, web UIs, and deployment systemsCreate and implement internal tools, testing frameworks, and CI/CD pipelinesCollaborate closely with product and design teams to quickly prototype and deliver featuresHelp establish engineering processes, contribute to documentation, and foster the early team cultureOur Technology StackWhile familiarity with the entire tech stack is beneficial, the ability to quickly learn and adapt to new technologies is paramount. You will encounter technologies such as:Languages: TypeScript (Node.js), Python (FastAPI)Frontend: React, Next.js, TailwindBackend: Postgres, DuckDB, GraphQL (Hasura), Kafka, RESTCloud/Infra: AWS, Docker, GitHub Actions, ArgoCD, Kubernetes (basic)AI/Agents: LangChain, LangGraph, OpenAI, Anthropic, LLaMA, Pinecone, QdrantGovernance: Keycloak, Open Policy Agent (OPA), OpenTelemetryVisualization: Vega, Flourish, React ReChart

Join Sample Healthcare as a Founding Forward Deployed EngineerAt Sample Healthcare, we are revolutionizing the healthcare landscape by transforming operational burdens into competitive advantages. Despite the U.S. being a leader in the launch of groundbreaking treatments, clinicians are burdened with administrative tasks for 73% of their work time. Our mission is to alleviate this friction and empower medical progress across the nation. We collaborate with top-tier national providers and have gathered data from 75% of U.S. oncology clinics, with our network rapidly expanding.Why This Role MattersThe American healthcare system is at a critical juncture. As the population ages and chronic conditions proliferate, healthcare professionals face increasing pressures amidst tight margins. This administrative inefficiency not only hampers productivity but can also jeopardize patient care, leading to delays in diagnoses and clinician burnout. As scientific innovation accelerates, it is vital to address these operational challenges to maintain the U.S.’s position at the forefront of modern medicine.Our Innovative ProductSample Healthcare empowers organizations to develop tailored software solutions for their clinical teams. By defining workflows within our platform, healthcare providers can create custom AI copilots designed to enhance team efficiency and capture invaluable data, allowing our models to improve continually. Joining Sample means becoming part of a network that supports patient care across specialties and contributes to clinical research. Our rapid growth trajectory—achieving Series A revenue metrics in just 10 months—demonstrates the significant impact we can create.The OpportunityBe a Founding Member in a Transformative Company. As a Forward Deployed Engineer, you will play a pivotal role in bridging our innovative product with essential social infrastructure. Your responsibilities will include:Engaging Directly in Healthcare – Utilize the Sample platform alongside your technical expertise to streamline complex, high-stakes workflows for major healthcare organizations.Managing Customer Relationships – Navigate intricate integrations and organizational challenges to ensure the secure deployment of AI within these institutions.Influencing Platform Development – Provide insights and feedback to our engineering team based on your hands-on experience.This position is perfect for individuals eager to gain entrepreneurial experience by managing client relationships and tackling real-world challenges in healthcare.

About CluelyAt Cluely, we are on a mission to revolutionize the way AI empowers individuals by providing unparalleled assistance in any scenario. Our innovative desktop assistant leverages screen, microphone, and audio context to deliver insights and recommendations beyond the capabilities of traditional models, which often lack contextual awareness.Our competitive edge comes from two key factors:We believe that chatbots are not the ideal interface for multi-modal AI.We possess the ability to create viral experiences.About the RoleAs a Founding Engineer, you will be part of a dynamic team working in-person in San Francisco six days a week, dedicating 10-12 hours each day to our projects. Housing is provided, and we expect you to reside within a block of our office.Our codebase is meticulously maintained with strict typing (no ts-ignore or any usage). We utilize technologies like Bun, Elysia, and strictly typed routes to ensure robustness.You may be a perfect fit if you:Are among the top engineers globally.Possess strong fullstack engineering skills (experience with React, Electron, and infrastructure).Have expertise in efficiently fetching and caching data within React applications.Can design and structure database schemas for optimal read and write performance.Are comfortable with deploying and scaling applications while evaluating different infrastructure/devops solutions.Expect a thorough discussion on these topics during the interview.Are ready to fully commit your life to achieving greatness.Compensation:Founding engineers can anticipate a base salary ranging from $250,000 to $350,000, along with 0.25-0.5% equity.We also offer complimentary meals.

Join voxel as a Founding Forward Deployed Engineer, where you will play a pivotal role in shaping our technology solutions while directly engaging with clients. This is an exciting opportunity to leverage your engineering skills in a dynamic startup environment, driving innovation and customer success from the ground up.

Summary: Join Interface as a Founding Engineer! We seek versatile engineers (ML, data, full-stack) who are driven, innovative, and eager to make a difference. If you're ready to challenge the status quo and build impactful solutions, we want you on our team! Your Profile:Make swift, informed decisions with a focus on outcomesProactively address issues before they escalateFluent in our technology stack (TypeScript, Python, Docker, LLMs, YOLO, Tesseract, PostgreSQL, AWS, React Native, etc.)Have a proven track record of building functional productsThrive in fast-paced environmentsYour Responsibilities:Engage with users/customers to understand their experiences, challenges, and requirementsDesign robust systems utilized by thousands at billion-dollar enterprisesDevelop autonomous data pipelines for auditing large volumes of documentsEnsure scalable infrastructure managementDeliver quickly – our mantra is progress over perfection.Important Insights:Collaborate directly with the founding team and customersUser needs take precedence over flashy featuresThe team works six days a week in our San Francisco officeEnjoy working in SF: vibrant atmosphere, pleasant weather, and access to the best tech ecosystem in the world Additional Information:We welcome applications from around the globe.We offer competitive compensation, substantial equity, and the chance to influence our early team dynamics.$3,000 referral bonus for successful hires.About Interface: We are pioneers in autonomous safety solutions for the industrial sector, focusing on error detection and correction in industrial documentation. Our AI-powered platform aims to automate compliance tasks across various domains. You will leverage cutting-edge technologies at the crossroads of LLMs, computer vision, and data frameworks to redefine industry standards.

Join Our Team at NumeralNumeral is revolutionizing the automation landscape for online commerce, beginning with the often frustrating realm of sales tax compliance. We manage everything from registration to remittance, providing a premium service that allows e-commerce businesses to concentrate on their core focus: expanding their products, customer base, and teams.As one of the fastest-growing companies from Y Combinator’s Winter 2023 batch, we are supported by leading investors, including Benchmark Capital. Our team boasts extensive experience, having roots in the early days of Stripe, Airbnb, Notion, and other innovative companies. We are committed to bringing our expertise, speed, and ambition to a sector that is ripe for transformation.At Numeral, we may be small, but we are incredibly impactful. Our current growth is almost unmanageable, meaning that every new hire will significantly influence the company's direction. If you are eager to join as an early team member and seek a role that offers substantial ownership, we would love to hear from you.Our MissionManaging an online business today requires juggling numerous responsibilities, many of which are not the reasons that founders started their companies. Our mission is to alleviate the administrative and accounting challenges that distract businesses from pursuing their passions.We have already assisted hundreds of merchants in avoiding the headaches associated with building large finance teams just to handle tax compliance. Looking ahead, we are scaling our impact even further by creating the automation framework that enables online businesses to stay agile, compliant, and prepared for the future.About the RoleWe are in search of a Founding Solutions Engineer who excels at the intersection of software engineering, customer interaction, and product design. You will be responsible for the entire technical sales process—from crafting pre-sales demonstrations to advising on architecture and overseeing post-sales implementation. This position is perfect for an engineer who enjoys engaging with customers and wants to contribute to product development rather than just pitching it. You will collaborate cross-functionally with Sales, Engineering, and Product teams to drive customer success and directly influence the features we develop based on genuine customer needs. As our first hire in this role, you will enjoy considerable autonomy, impact, and ownership.

Netic is revolutionizing the essential services sector by functioning as the AI revenue engine that underpins the American economy.Backed by $43 million in funding from esteemed investors such as Founders Fund, Greylock, Hanabi, and Dylan Field, who spearheaded our Series B, we've empowered our clients to secure hundreds of thousands of jobs across various service industries in North America. Today, numerous companies operate entirely on an AI-first model using Netic.Join our dynamic team of relentless innovators hailing from Scale, Databricks, HRT, Meta, MIT, Stanford, and Harvard, as we bring cutting-edge AI solutions to the physical economy, tackling intricate challenges with complex data, and delivering immediate, tangible impacts.As a UI/UX Engineer, you will design user interfaces that make advanced AI technologies feel intuitive and accessible. This pivotal role ensures that our sophisticated automation capabilities are user-friendly for non-technical experts, effectively bridging the gap between advanced technology and everyday business operations.

Kiloforge operates as a company factory in San Francisco, using AI to generate, validate, build, and distribute software products for niche communities. The team’s goal is to address overlooked challenges with tailored applications and eventually manage thousands of products, each designed for specific needs. Role overview This founding engineer position centers on building and shipping micro applications at a rapid pace. The work involves developing software for real users, automating processes, and adapting quickly as priorities shift. The environment values experimentation and learning across disciplines. What you will do Develop and release micro applications each week for actual users Continuously improve and automate development workflows Who we're looking for Generalists with broad skills, ideally extending beyond engineering Experience building products that have reached real customers Resourceful and adaptable, able to respond to new challenges Strong instincts for product and design Comfortable with shifting priorities and ambiguity Curious and motivated to learn across different fields Background in founding a company or strong interest in entrepreneurship The team Founders with experience building companies, including one that reached $20M ARR Track record of launching products with thousands of active users Driven to make a meaningful impact Small, agile group of founders and builders Supported by investors such as a16z, Uncork Capital, Y Combinator partners, and Rahul Vohra Why join Kiloforge Collaborate with designers, creatives, and marketers to integrate their expertise into AI-driven workflows Ideal for those ready to take risks and help reshape how software is built and shipped Hands-on experience building and distributing products in an AI-first setting

Founding Engineer (Unity Mobile)Pax Historia is revolutionizing gameplay by leveraging cutting-edge generative AI technology. Our innovative platform seamlessly combines the intricacies of grand strategy with the limitless creativity of a sandbox environment, all while being energized by a dedicated community that actively creates and remixes scenarios.Our community is vibrant, publishing hundreds of scenarios daily and engaging in millions of gameplay sessions each week, with rapid growth on the horizon. Supported by prominent investors such as Y Combinator, Pace Capital, and Z Fellows, your contributions will directly impact a product enjoyed by hundreds of thousands of players.The RoleWe are seeking a founding-level Unity developer to spearhead the development of our native mobile application. This role requires full-time, in-person work in our San Francisco office located in Dogpatch, where you will collaborate closely with the co-founders.Current Position Overview:A web-based game with significant product-market fit, particularly within the alternate-history genre.Hundreds of thousands of users are eagerly anticipating a native mobile experience.A well-documented TypeScript codebase with clear data models and API patterns for integration.No existing Unity codebase; you will be architecting the system from the ground up.Your Key Responsibilities:Developing the core gameplay loop for iOS and Android, including features such as an interactive map, action submissions, event viewing, and AI-driven chat.Creating a high-performance 2D map rendering system capable of displaying thousands of regions with smooth panning, zooming, and animated territorial changes.Building a consistent UI component library that aligns with our web design system (custom components, Poppins typography, dark/light modes).Integrating with our Firebase/Supabase backend and AI services through REST APIs.Implementing push notifications and deep linking to enhance user engagement.Optimizing the application for lower-end mobile devices and memory-constrained environments.In summary, your contributions will propel Pax Historia into the mobile realm and unlock our next phase of growth.

Join us as a Founding Engineer at huzzle, where innovation meets opportunity. In this pivotal role, you will help shape the technical direction of our startup, collaborating closely with the founding team to develop cutting-edge solutions. Your expertise will be key in building scalable systems that drive our mission forward.

Join clera, an innovative startup poised to make waves in the tech industry. As a Founding Engineer, you will play a pivotal role in shaping our product and technology from the ground up. Collaborate with our founding team to design and implement cutting-edge solutions that redefine user experiences.

Join Us as a Founding Engineer!At Brainbase, we're redefining the workforce landscape with AI Employees, akin to how Retool transformed internal tools.Imagine a world where AI collaborates seamlessly with human teams. Brainbase empowers businesses to develop their own AI workforce.In just one year, we've achieved $XM+ ARR and are on course to surpass $XXM+ soon. Our clientele spans from small and medium businesses to Fortune 50 corporations. We're proudly supported by Y Combinator, 500 Global, and other prestigious investors, including founders from YouTube and HubSpot, as well as notable YC alumni.About the RoleAs a pivotal member of our founding team, you'll play a crucial role in integrating AI into the enterprise landscape: launching innovative features, engaging with users, and fostering a vibrant company culture for future team members.You will collaborate closely with our CEO and founding team, focusing on enhancing our infrastructure (both cloud and on-premise) and refining our proprietary agent system based on user feedback.Who Should Apply?This position may be a perfect fit for you if:Resourceful: You excel in maximizing outcomes with limited resources, whether that be time, finances, or computing power.Resilient: You persist through challenges and only step back when you discover a more effective approach.Decisive: You make sound decisions under pressure, even with incomplete information, and swiftly move on to new challenges.Passionate about Problem-Solving: You thrive on tackling complex puzzles, games, or challenges, regardless of initial proficiency.Fun-Loving: You maintain positivity and uplift those around you, even during tough times.Key RequirementsAlongside the qualities outlined above, we seek candidates with the following qualifications: Essential SkillsLocation: Based in San Francisco or open to relocation.Work Authorization: Must have a valid US work permit (we do not sponsor H1-Bs; OPTs are acceptable).Minimum of 2 years of software engineering experience (recent graduates are encouraged to apply; personal projects are valued).Proficiency in Typescript and Python.Familiarity with Large Language Models (LLMs) such as OpenAI API, Langchain, or HuggingFace.

Role Overview Sphere is hiring a Founding Forward Deployed Engineer for its San Francisco headquarters. This early team member will help shape how Sphere delivers technology and deployment solutions for clients. What You Will Do Work closely with clients and internal teams to understand real needs and challenges Design and implement technical solutions that address those needs Support deployment and integration to ensure projects succeed in the field Contribute to process improvements and product enhancements based on client feedback Who You Are Skilled engineer with a hands-on approach to problem solving Comfortable collaborating across disciplines and adapting to changing requirements Ready to take on foundational responsibilities in a growing company

Join Ando as a founding Product Designer, where we prioritize exceptional user experience (UX) and meticulous attention to detail.About AndoAt Ando, we are pioneering a new approach to communication, redefining how teams collaborate with AI agents across various platforms like Slack and email. Our vision is to create a seamless environment for human-AI interaction.Our Brand & Visual IdentityInspiration from architecture guides our design ethos. Just as Tadao Ando's work harmonizes light and space, we aim to create a digital platform where users feel comfortable and engaged throughout their day.Our aesthetic is minimalistic and unobtrusive, allowing users to focus on the nuances of communication, rhythm, and interaction without distractions.Your Role:You will conduct extensive reference-gathering, contribute significantly to the development of our core UI/UX, enhance our design system, and actively engage with our product on a daily basis.Analyze user behavior through analytics to understand their needs and preferences, iterating quickly to enhance designs.Continuously elevate our design quality, ensuring Ando becomes a product that users truly love.Qualifications:Demonstrated strong portfolio showcasing experience with LLM functionality and design nuances.Recent hands-on experience with coding and AI agent integration.A passion for prompt engineering is a plus!