About Simple AIAt Simple AI, we are pioneering cutting-edge voice AI solutions tailored for enterprises. Our lifelike voice agents empower renowned companies such as DoorDash, xAI, and Omaha Steaks in managing diverse phone operations ranging from customer support to order intake and lead qualification. As we experience rapid revenue growth, we seek a couple of founding software engineers to help us meet current customer demands while developing innovative systems for the future. Our team is passionate about harnessing AI to transform the world, and we operate from our San Francisco office five days a week.Simple AI is proudly supported by top-tier investors and industry leaders, including Y Combinator, Massive Tech Ventures, and prominent figures like Michael Seibel (co-founder of Twitch), Jared Friedman (Scribd), Alexandr Wang (Scale AI), Matt Van Horn (June Oven and Lyft), Suhail Doshi (Mixpanel), JJ Fliegelman (WayUp), and Scott Wu (Cognition).Meet the FoundersThe founders, Catheryn Li and Zach Kamran, previously led software teams at Y Combinator, where they launched numerous products for YC founders, including the co-founder matching site. Cat brings experience from Instagram and Facebook and holds degrees in mathematics and computer science from MIT. Zach studied computer science and statistics at the University of Chicago and led software initiatives at PEAK6.What We ProvideCompetitive salary with significant equity opportunitiesEmployee-friendly equity termsOffice located in San FranciscoComprehensive health, dental, and vision insuranceComplimentary lunch and dinner at the officeFree Uber rides home after 8:30 PMRegular team events and offsite activitiesYour Qualifications4+ years of relevant software engineering experience.Exceptional problem-solving skills and a passion for tackling technical challenges.A customer-centric mindset coupled with strong communication skills and a keen interest in product design and prioritization.Self-motivated with the ability to work independently.A genuine enthusiasm for continual learning and keeping abreast of the latest advancements in AI.

Join Our Innovative Team at Simple AIAt Simple AI, we are transforming enterprise communications through cutting-edge voice AI agents. Our highly realistic agents empower leading companies such as DoorDash, xAI, and Omaha Steaks to efficiently manage a variety of phone operations, including customer support, order processing, and lead qualification.As we experience exponential growth and a surge in customer demand, we are seeking a few founding software engineers to help us navigate this exciting journey and develop systems for the future. Our passionate team operates from our vibrant San Francisco office five days a week, driven by a shared vision of leveraging AI to make a significant impact in the world.We are proud to be backed by esteemed investors and operators, including Y Combinator, Massive Tech Ventures, and industry leaders such as Michael Seibel (Twitch), Jared Friedman (Scribd), and more.

Join Simple AI as a Founding Account ExecutiveAt Simple AI, we are pioneering cutting-edge voice AI technology to revolutionize enterprise communication. Our advanced voice agents empower renowned companies like DoorDash, xAI, and Omaha Steaks to streamline their phone operations—from customer support to order processing and lead qualification. With rapid revenue growth, we are excited to welcome our inaugural Account Executive to drive our sales efforts and secure impactful deals. Our team thrives in our San Francisco office, where we work collaboratively five days a week, fueled by our passion for the transformative power of AI.Simple AI is proudly supported by esteemed investors and industry leaders such as Y Combinator, Massive Tech Ventures, Michael Seibel (Twitch co-founder), Jared Friedman (Scribd), Alexandr Wang (Scale AI), Matt Van Horn (June Oven and Lyft), Suhail Doshi (Mixpanel), JJ Fliegelman (WayUp), and Scott Wu (Cognition).Meet Our FoundersThe visionary founders, Catheryn Li and Zach Kamran, originated from successful software projects at Y Combinator, where they delivered innovative products for fellow YC founders, including the co-founder matching platform. Catheryn’s background features roles at Instagram and Facebook, complemented by her dual degrees in mathematics and computer science from MIT. Zach holds a degree in computer science and statistics from the University of Chicago and has led software initiatives at PEAK6. Together, they have cultivated a dynamic team of eight and are on a trajectory for rapid growth.What We ProvideAttractive salary and equity packageGenerous employee equity termsCentral San Francisco office locationComprehensive health, dental, and vision insuranceComplimentary lunch and dinner at the officeFree Uber rides home after 8:30 PMRegular team-building events and offsite retreatsQualifications Required2 to 6 years of experience in B2B SaaS sales, with a focus on mid-market or enterprise deals.Proven track record of consistently achieving or surpassing sales quotas.Exceptional skills in discovery, presentation, and negotiation.Ability to articulate the business value of technical products clearly and persuasively.Strong sense of ownership and motivation.

Role OverviewLocation: San Francisco, CA Work Model: In-officeAbout Effective AIAt Effective AI, we are pioneering the future of work, focusing on sophisticated AI solutions for complex knowledge tasks rather than simple, repetitive functions. Our goal is to develop advanced AI Teammates that excel in intricate workflows and collaborate seamlessly with human professionals. Our initial challenge is to revolutionize the trillion-dollar U.S. Property & Casualty insurance sector, an area rich in data and complexity, ideal for our innovative approach.We have successfully secured $10 million in seed funding from prominent investors including Lightspeed Ventures and Valor Equity Partners.Our passionate team operates out of San Francisco, where we value in-person collaboration to address these pressing challenges.Your ResponsibilitiesAs a Founding Software Engineer, you will be an integral member of our founding team, significantly influencing the design and development of our core product from inception. You will confront critical challenges in agentic AI, crafting Teammates capable of managing essential insurance functions such as underwriting and claims processing.Specifically, you will:Facilitate long-term task completion by creating the foundational architecture for AI agents to plan and execute multi-step processes reliably over prolonged interactions.Develop advanced reasoning functionalities, enabling agents to make informed decisions based on ambiguous or incomplete information, akin to human experts.Create intelligent, tool-utilizing agents capable of selecting and employing a variety of external tools—APIs, databases, web searches, and Excel-based pricing algorithms—to gather information and take decisive actions.Design adaptive and learning systems, equipping our AI Teammates to learn from feedback and adjust to evolving conditions such as regulatory changes or market dynamics.Your ProfileWe seek an innovative and driven builder excited to tackle substantial challenges.You possess a solid foundation in computer science and remarkable problem-solving capabilities, evidenced by impactful projects or previous experience.Your genuine enthusiasm for AI fuels your passion for tackling complex issues.

Join Shiplight AI as a Founding Engineer, AIAre you ready to be at the forefront of the AI revolution and make a significant impact?Do you believe in enhancing productivity exponentially through innovative solutions?At Shiplight AI, we are on a mission to redefine enterprise-scale automation through intelligent agents. We envision a future where organizations leverage AI systems capable of understanding context, taking meaningful actions, and seamlessly collaborating with humans — transforming workplace dynamics.Our initial goal is to revolutionize software quality assurance. We are developing cutting-edge agentic QA systems that integrate deeply within the software development lifecycle, empowering every product manager, developer, and tester with their own AI QA engineer for real-time validation of their work.You will be part of a small, dedicated founding team led by industry experts, focusing on the intersection of AI agents, systems engineering, and enhancing real-world developer productivity.

About Kiloforge Kiloforge is building a new model for company creation in San Francisco. Operating as a company factory, Kiloforge uses AI to autonomously generate, validate, build, and distribute software products. The team aims to serve niche communities and address challenges that have lacked quality software. As software becomes more accessible, Kiloforge plans to manage thousands of applications, each tailored to specific needs within the software landscape. Who We’re Looking For Generalists with a broad skillset, ideally extending beyond engineering Experience creating products used by real customers Resourceful and adaptable, able to respond quickly to new challenges Strong product and design instincts Comfortable working in a setting where priorities shift and ambiguity is common Curious and motivated to keep learning across different fields Background in founding a company or a strong interest in entrepreneurship About the Team Founded companies before, including one that reached $20M ARR Built products with thousands of active users Motivated by the desire to make a meaningful impact Small, agile group of founders and builders Backed by investors such as a16z, Uncork Capital, Y Combinator partners, and Rahul Vohra Why Join Kiloforge Work closely with designers, creatives, and marketers to blend their expertise into AI-driven workflows, an opportunity to learn from multiple disciplines Ideal for those who want to take risks and help reshape how software is built and shipped Gain hands-on experience in building and distributing real products in an AI-first environment What You’ll Do Develop and ship micro applications each week for real users, continuously improving and automating your workflows

Founding Software Engineer - TruTecAbout TruTecTruTec is an AI-driven construction takeoff platform that is transforming a $17 billion industry. We streamline the tedious manual tasks of site measurement and material estimation, reducing hours or days of work into mere seconds. By utilizing satellite imagery, drone photography, and uploaded plans, we furnish contractors with immediate, bid-ready reports and invoicing tools.Currently in the pre-seed phase, TruTec is experiencing rapid growth with new customers joining us daily. To sustain this momentum and enhance our product offerings, we are seeking a Founding Software Engineer to join our innovative team.The RoleAs a Founding Engineer, you will significantly influence TruTec’s future direction. Your role will extend beyond simply writing code; you'll be instrumental in constructing the foundational elements of a product designed to automate the function of a construction estimator.Key Responsibilities:Ship Independently: Take full ownership of features from ideation through to deployment.Performance Optimization: Enhance the platform's speed and responsiveness.Cross-Platform Delivery: Ensure a lightweight, highly functional experience on Windows devices.Scale the Product: Assist in expanding our capabilities to stay competitive and meet the demands of our rapidly growing customer base.Who You AreBuilder Mentality: You have a proven history of shipping products, whether through impactful internships or your own independent ventures.Technical Excellence: You likely hail from a top-tier undergraduate program.Autonomous: You thrive in environments with minimal oversight and can navigate the uncertainties of an early-stage startup.Execution-Focused: You are motivated by the desire to act swiftly and bridge labor gaps through intelligent engineering.Why Join Us?Become part of a pre-seed startup at its inception.Engage in cutting-edge AI methods that yield the most reliable predictions in the industry.

Company OverviewMultiply is an innovative startup located in the heart of San Francisco, California, poised for exceptional growth. We have developed Blue, an advanced AI Agent recognized as the top performer in digital marketing. Blue operates around the clock to design and enhance advertising campaigns, empowering our clients to accelerate their growth.As part of a compact yet dynamic team of five, you will be our sixth member, playing a crucial role in our expansion.Our esteemed clientele includes renowned tech companies from Silicon Valley, featuring several unicorns. With an abundance of demand exceeding our current capacity, we are rapidly expanding our team across various departments to meet this challenge.Role OverviewIn the role of Founding Software Engineer, you will be more than just a coder; you will have the opportunity to influence our product offerings, company culture, and overall direction. Your insights will significantly shape our technological framework and vision.This is a full-time, in-person position based at Multiply HQ in San Francisco. We are dedicated to building a legacy company, and if you seek an exhilarating journey, this is the perfect opportunity for you.ResponsibilitiesRapidly develop and refine new features from conception to deployment, incorporating customer feedback for continuous improvement.Take ownership of key product functionalities from start to finish, integrating large language models (LLMs) and creating workflows to ensure a top-notch user experience.Work closely with the founders to define product vision, plan the roadmap, and establish architectural frameworks.Establish the foundation for our engineering culture, including tools and processes.Assist in building and mentoring the initial engineering team as we grow.

About OliveAt Olive, we are revolutionizing the way companies build internal tools by enabling them to create sophisticated applications simply by expressing their needs in natural language.Internal tools are crucial for modern organizations, serving as the operational backbone for various functions, from sales dashboards to trust and safety workflows. Currently, the process of developing these tools is cumbersome and time-consuming, often draining engineering resources.Our innovative platform leverages advanced large language models (LLMs) and code generation techniques to assemble fully functional internal tools in mere minutes, seamlessly integrated with company data. This empowers businesses to gain deeper insights and enhance their operational efficiency.Having secured a $2.1M seed funding from esteemed investors and industry pioneers, we are now in an exciting phase of expanding our team.This position offers a unique chance to contribute to a transformative project that demands both skill and speed. If you are passionate about making a significant impact, we encourage you to apply.

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.

Founding Engineer – Baton AILocation: San Francisco, CA (In-Person)Experience Level: 3+ years (Full-Stack Engineering)About Baton AIBaton AI (getbaton.ai) is revolutionizing enterprise automation with a cutting-edge platform designed for seamless cross-application workflows. Our mission is to empower solutions engineering and implementation teams by automating customer onboarding and product setup, allowing them to deliver value at a faster pace and scale. This is just the beginning of our expansive vision for enterprise-wide, AI-driven automation.As a rapidly growing, VC-backed startup, we are seeking visionary builders who are eager to innovate, take initiative, and play a key role in shaping the future of AI automation.Your ResponsibilitiesLead Development of Core Systems – Architect and develop essential components of our full-stack web application, API infrastructure, and AI-enabled automation platform.Tackle Advanced Technical Challenges – Engage in complex tasks involving AI agents, prompt engineering, evaluation, monitoring, API integration, and browser automation.Influence Product Direction – Work closely with early adopters and the founding team to shape our technical roadmap and implement impactful features.Embrace Rapid Learning and Prototyping – Innovate, experiment, and deliver solutions swiftly in a high-trust, streamlined environment.Our Ideal Candidate3+ Years in Full-Stack Engineering – Strong proficiency in React and Typescript.Expertise in Modern Web Development – Familiarity with React/NextJS and Node.js. Knowledge of Python and Elixir/functional programming is advantageous.Experience with Rich-Text Editors – Previous work on features similar to those found in Notion or be eager to tackle this challenge.Interest in AI and Workflow Automation – A passion for developing AI/LLM-driven applications and automation tools.Product-Oriented Mindset – A commitment to clean code and exceptional user experience.Strong Problem-Solving Skills – Ability to navigate ambiguity and deliver results efficiently.Willingness to Work On-Site – Enthusiastic about collaborating in person in San Francisco.

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 Pensive as a Founding EngineerAt Pensive, we are on a mission to revolutionize learning through technology. Check our Notion doc to dive deeper into our vision, founders, and vibrant culture.Your RoleAs a pioneering full-stack engineer at Pensive, you will be at the forefront of the AI revolution, developing software that empowers college instructors and students to learn quickly and automate processes. You will play a crucial role in building:An AI-driven grading and tutoring platform designed to save time for instructors and enhance learning for millions of students.Automation solutions across various business functions, from data management to customer onboarding, pushing towards a fully autonomous operational model.What We Expect From YouA minimum of 1 year of experience in software development.Proficiency in Python and React/Typescript.A fast and efficient development style, utilizing AI tools while maintaining clean, well-tested, and non-AI-generated code.A strong ability to learn rapidly and adapt to fast-paced changes.Bonus QualificationsExperience as a founder or in a founding engineering role.A personal workflow for generating and reviewing AI-assisted code.Our Technology StackBackend: Python, FastAPI, PostgresFrontend: Typescript, React, TailwindCSS, Tanstack RouterInfrastructure: GCP, Cloud Run, FirebaseMobile Development: CapacitorInterview ProcessInitial Interview Chat: 15 minutesTake-Home Test: 8 hoursPaid Work Trial

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.

About Pax HistoriaPax Historia is pioneering a new genre of gameplay by leveraging cutting-edge generative AI technologies. Our innovative platform combines the strategic depth of grand strategy games with the limitless creativity of a sandbox environment, driven by a vibrant community that actively creates and modifies scenarios.Our user base generates hundreds of scenarios daily and engages in millions of game rounds each week, exhibiting rapid growth. We are proud to be supported by esteemed investors such as Y Combinator, Pace Capital, and Z Fellows. Your contributions will have an immediate impact on a product enjoyed by hundreds of thousands of players.Position OverviewWe are seeking a founding-level ML Systems Engineer to join our team in-person full-time in San Francisco (Dogpatch). You will have the opportunity to work closely with our cofounders to shape the future of our technology.Current Challenges:Closed-source models yield satisfactory game performance but come with high costs.Open-source models are more budget-friendly yet often underperform in our environment.Prompts and harnesses exhibit minimal variance across models.We have a functional internal evaluation system with significant opportunities for enhancement.Your Responsibilities:Establish and manage the necessary infrastructure for customizing harnesses and prompts tailored to individual AI models to optimize their performance.Develop domain-specific models aimed at narrowing or completely bridging the gap in performance between open and closed models.Optimize caching strategies to decrease expenses associated with closed-source models.Enhance the performance of closed-source models by training specialized endpoints.Assess and advance the effectiveness of embedding and reranking mechanisms in our applications.Facilitate the creation of new user experiences based on emerging world models.In Summary: Your work will directly enhance the affordability and enjoyment of the game.

About HyperspellHyperspell is revolutionizing the Memory & Context Layer for AI Agents.AI agents are brilliant yet lack context.While AI agents excel in standardized testing, they struggle with real-world applications. Today's cutting-edge agents lack the contextual understanding that humans naturally acquire through diverse interactions. This context evolves with their tasks.Hyperspell empowers AI agents with contextual awareness by integrating with users' workspace data, creating a tailored memory and context layer.Our ValuesWe are committed to shaping the future through bold innovations. Our goal is to establish ourselves as the indispensable context layer for organizations, enabling all their AI agents to connect seamlessly. We embark on this journey not because it is easy, but because it is significant.We prioritize care — for our customers, their success, the future of AI, and most importantly, for one another. As we build the frontier of AI, we strive to be one of the most technologically advanced yet profoundly human companies in history — a place where we can enjoy shaping the future together.Our InvestorsOur vision is supported by esteemed investors such as Y Combinator, Afore Capital, Scribble Ventures, and Pioneer Fund. Our angel investors include leading figures from OpenAI, Anthropic, xAI, and DeepMind, alongside respected founders from Silicon Valley like Siqi Chen (Runway) and Julian Weisser (On Deck).Our FoundersFounded in 2024 by Conor Brennan-Burke and Manu Ebert, Hyperspell is driven by experienced leaders. Conor previously spearheaded growth at Checkr, overseeing a $30 million API product portfolio and earning the title of 'the most helpful founder in YC'.Manu brings over 15 years of expertise in machine learning and AI, having successfully sold two companies and led high-growth engineering teams at Airbnb. Interestingly, he acquired his first .ai domain in 2014, needing to send a fax to the domain authority in Anguilla to do so.About the RoleAs our founding platform engineer, your mission will be to construct the infrastructure that makes Hyperspell feel magical — swift, dependable, and effortlessly scalable. You will be responsible for the foundation upon which our entire product is built, ensuring that when customers entrust us with their data, we uphold their trust.

Join Our TeamFinal Round AI, located in the vibrant heart of San Francisco, California, is at the forefront of transforming the job interview landscape through innovative technology. Our platform delivers real-time interview coaching, realistic mock interview simulations based on leading company standards, and essential tools designed to craft an impressive, hireable resume. We strive to empower candidates to distinguish themselves, cultivate confidence, and achieve their career aspirations.Supported by some of the most prestigious venture capital firms in Silicon Valley, Final Round AI is experiencing rapid growth. Our dynamic team is expanding, and we’re in search of dedicated, visionary individuals who thrive in fast-paced environments. Having already assisted over one million candidates from more than 100 countries in landing their dream jobs, Final Round AI is truly redefining career paths.

Founding EngineerJoin Terac: The Premier Expert Network Driving Frontier ResearchLocation: San Francisco (in-person required) | Stage: Seed ($9M raised)At Terac, we are captivated by the vision of a future where agent-driven companies operate without traditional employees, yet still rely on human intelligence. As we stand on the brink of a new era where AI will handle most tasks with human oversight, Terac is poised to be the labor marketplace that fuels this post-AGI landscape.We are currently an expert network that supports cutting-edge research by constructing the foundational layer that facilitates on-demand human labor. Our partners integrate with us through API access to a diverse pool of research-grade experts. We manage sourcing, verification, screening, and payments, allowing our partners to concentrate on product development.Historically, jobs have transitioned from lifelong commitments to short-term engagements. From the stone age to the industrial era, and now platforms like Uber, the trend toward AI-driven labor marketplaces is undeniable and will only escalate in demand.Having successfully secured $9M in funding from notable investors including Emergence, SignalFire, Audacious, and Z Fellows, we are seeking innovative engineers with a founder's mindset to take ownership of critical components of our platform as we expand from research tools into the larger human data economy.Your Responsibilities:Lead and enhance the recruitment engine, utilizing targeted advertisements, referrals, automated outreach, and creative solutions to identify niche audiences.Develop and refine the Terac API for integration by research tooling and AI data companies.Implement the AI moderator, our voice agent designed to screen candidates, assess long-term tasks, detect fraudulent behavior, and facilitate multilingual conversations.Create marketplace systems that encompass opportunity routing, pricing optimization, expert lifetime value modeling, and feasibility analysis.Design the expert network experience, focusing on onboarding processes, opportunity matching, payout systems, and trust frameworks to retain experts.Collaborate closely with the CTO to influence technical strategies utilizing technologies such as Next.js, TypeScript, tRPC, Drizzle, Neon Postgres, LiveKit, and the Vercel AI SDK.Your Profile:A proactive builder with 3+ years of experience in software engineering, preferably in startup environments.

Location: San Francisco, CAType: Full-time, on-siteOverview: As the digital landscape evolves, we at AgentMail are at the forefront of a revolution that empowers AI agents with their own identities and communication tools. Our mission is to create solutions in an uncharted territory, where the challenge is to build something that truly resonates with agents as the new citizens of the internet. If you thrive in innovative environments and enjoy taking projects from inception to execution, we want to hear from you.About AgentMail: We are pioneering an API that transforms traditional email into a robust communication platform for AI agents. This is not merely AI applied to email; it's a groundbreaking approach to integrate email functionality directly into AI.We are seeking a founding engineer with a strong foundation in backend systems and infrastructure to develop the fundamental tools that agents will rely on for communication, authentication, and real-world operation. This position is ideal for someone passionate about systems engineering: from APIs and distributed infrastructure to reliability and developer tools.Why Join Us?Exceptional Team: Our founding team consists of industry experts with backgrounds in quantitative analysis, software engineering, and private equity, featuring talent from renowned organizations like Optiver, NVIDIA, Amazon, Modern Treasury, and KKR.Explosive Growth: Since January, we have doubled our user base every two weeks and anticipate continued rapid expansion as the demand for AI agents skyrockets.Unique Market Position: We are the only provider of identity solutions for AI agents, akin to how Gmail serves human users.Your Role:Design APIs and abstractions that are user-friendly for both humans and AI agents.Develop high-performance, low-latency systems with a focus on agent user experience.Engage directly with our core infrastructure, which processes hundreds of thousands of emails daily.Innovate by merging cutting-edge AI capabilities with traditional email solutions.Take ownership of projects from design through to production deployment.Produce clear, maintainable code accompanied by thorough technical documentation.Act as a liaison for customer feedback, representing their needs within our team.Qualifications:We are looking for candidates with a strong backend development background, ideally with experience in API design, distributed systems, and software reliability.