Paradigm, a San Francisco-based AI-native workspace startup backed by Y Combinator and prominent tech founders, is seeking experienced generalist founding engineers. Ideal candidates possess experience building production AI applications, thrive in fast-paced environments, and ideally have experience with GoLang, TypeScript, and related technologies. Competitive salaries and benefits, including equity, are offered.
Current browser agents from leading AI labs fail over 80% of real-world tasks. Foundry is building the first robust simulator, RL training environment, and evaluation platform designed specifically for browser agents. By creating perfect replicas of websites like DoorDash, Foundry allows for millions of tests without real-world complexities, pinpointing failure points and accelerating improvements. Their mission is to transform unstable research projects into reliable enterprise solutions. They're seeking exceptional full-stack engineers to join their team of ML experts from Scale AI, to tackle this massive $20B+ automation market opportunity.
Great Question, a customer research platform company, is hiring an AI Engineer to design and implement an agent-based UI, building an AI research assistant to help users conduct research. The role requires expertise in prompt engineering, agent frameworks (LangGraph, etc.), and LLM application development (JavaScript preferred), encompassing AI system architecture, prompt optimization, framework selection and implementation, and performance evaluation. This is a fully remote role, with a preference for candidates in the US or Canada.
Thunder Compute, a Y Combinator-backed AI infrastructure startup, is hiring a systems engineer. They're building technology to drastically improve GPU utilization via sharing and oversubscription at the CUDA API layer. Their core software network-attaches GPUs over TCP, allocating compute where needed most, resulting in 5x+ utilization gains with minimal performance overhead. This is a $100B+ opportunity, requiring a top-tier systems engineer with exceptional C++ skills, deep hardware/GPU architecture knowledge, and experience in low-latency environments (like hedge funds or NVIDIA). The role offers a chance to make a significant impact in a high-growth startup.
Onyx, an open-source generative AI platform, connects your company's docs, apps, and people. It ingests and syncs information from various sources (Google Drive, Slack, GitHub, Confluence, Salesforce, etc.) to create a central hub for asking questions. Imagine your most knowledgeable colleagues, all in one place, 24/7! Onyx believes every modern team will use knowledge-enhanced GenAI within 5 years, and aims to bring this technology to teams worldwide. They just closed a $10M seed round led by Khosla Ventures and First Round Capital, boasting clients like Netflix, Ramp, and Applied Intuition, as well as open-source users including Roku, Zendesk, and L3Harris.
Type, an AI-native document editor backed by Y Combinator, is looking for a product-minded senior software engineer to join its small team in Brooklyn. The ideal candidate will have extensive experience building complex web applications, be proficient in React and TypeScript, and possess strong product intuition. Responsibilities include building advanced rich text editing features, collaborative editing capabilities, and LLM-based writing and editing tools. Competitive salary, stock options, and comprehensive benefits are offered.
Pulse is tackling a persistent challenge in data infrastructure: extracting accurate, structured information from complex documents at scale. Their breakthrough approach combines intelligent schema mapping with fine-tuned extraction models, surpassing legacy OCR and other parsing tools. This fast-growing San Francisco-based team serves Fortune 100 companies, YC startups, and more, backed by top-tier investors. Their multi-stage architecture includes layout understanding, low-latency OCR, advanced reading order algorithms, proprietary table recognition, and vision-language models for charts and tables. If you're passionate about computer vision, NLP, and data infrastructure, Pulse offers a chance to directly impact customers and shape the future of document intelligence.
Founded in 2016, Meru Health aims to help and empower individuals struggling with mental health issues. This diverse team of scientists, engineers, clinicians, and entrepreneurs is dedicated to making treatment for depression, anxiety, and burnout accessible, effective, and outcome-driven. Their mission is deeply personal; driven by founders' losses to depression, they strive to aid those suffering.
Distro, an AI-powered sales platform for industrial wholesalers and distributors, is seeking a Lead Solutions Engineer. This role requires 7+ years of experience in software implementation, system integration, and troubleshooting. Responsibilities include leading customer implementations, providing technical support, and ensuring customer satisfaction. The ideal candidate possesses strong technical skills, project management expertise, and problem-solving abilities. Located in Palo Alto, CA.
A San Francisco-based startup is hiring a full-stack engineer to join its agile engineering team. Responsibilities include creating and managing data collection scripts (from basic HTTP requests to browser and mobile app automation), building and maintaining automation/scheduling tools, creating data cleaning and normalization scripts (with opportunities to integrate ML/LLMs), designing data analytics dashboards and tools, and assisting with DevOps tasks. Candidates should be proficient in Python, SQL, and Unix, enjoy working on diverse projects concurrently, and be able to execute independently. Bonus skills include web crawling, Docker, Kubernetes, full-stack web development, mobile app development, and a statistics background. Benefits include lunch, unlimited PTO, 401k, platinum PPO health insurance, and a salary of $100K-$150K plus 0.25%-1% equity.
Revyl is a proactive observability platform that catches and triages bugs in iOS, Android, and web apps before they reach production. Their mission is to automate software reliability by providing end-to-end testing, enabling faster and more confident releases. Founded by the creators of DragonCrawl and backed by prominent investors like Felicis, General Catalyst, and Y Combinator, along with strategic angels from Meta, Nvidia, and Uber, Revyl boasts early enterprise traction and aims to become the default reliability platform.
Craniometrix, a healthcare startup, has secured over $7 million in revenue and is seeking a Chief of Staff to help scale its operations. Leveraging Medicare's new GUIDE program, they provide innovative care for dementia patients while generating additional income for physicians. The company uses a software and services model, with payments starting July 1st, and has already signed a significant number of doctors. The ideal candidate will be highly detail-oriented, work across all aspects of the business, and manage multiple projects simultaneously. Responsibilities include onboarding customers, building processes (AI-powered outbound calling, etc.), translating operations into product requirements, assisting with investor decks, responding to sales inquiries, and identifying expansion opportunities. The position requires 3+ years of healthcare experience, strong operations management skills, and a commitment to working 60+ hours per week. Craniometrix is building the world's first one-stop-shop care platform for Alzheimer's disease, focusing on optimizing care monitoring, management, and intervention.
Weave, a rapidly growing and profitable startup, seeks an exceptional founding product engineer. Reporting directly to the CTO and CEO, you'll build core products for millions of engineers. We value your grit, pragmatism, empathy, and communication skills. While familiarity with our tech stack (React, TypeScript, Go, Python) is a plus, we prioritize your problem-solving skills and passion for improving engineering productivity.
Hadrius, a rapidly growing FinTech startup, is hiring a full-time Founding Software Engineer and Technical Lead to build the automated back office for financial firms using AI. Backed by top-tier VCs and doubling revenue every 3 months, Hadrius uses AI to analyze massive datasets to identify regulatory violations. This role requires 4+ years of experience, proficiency in Django/Python and React/Next/Typescript, and a fast-paced, high-impact work style. The ideal candidate will contribute significantly within their first month, helping to prevent the next financial crisis. Hadrius already serves 100+ financial institutions managing over $400B in assets.
Domu, a rapidly growing fintech startup, is seeking a senior engineer. They've tripled their ARR with Fortune 500 clients and 50% of their code is already AI-generated. The role involves daily feature releases, solving complex product challenges (like optimizing voice AI for collections), scaling infrastructure for millions of calls, client onboarding (including travel), and AI agent stress testing. Candidates need 3+ years experience, a proven track record of shipping scalable products, and a willingness to work long hours and travel frequently. Equity and revenue-based compensation are offered.
Cloud spending hits a staggering $500 billion annually, the fastest-growing expense for tech companies. Pump offers an AI-powered platform automating savings and leveraging group buying to slash cloud costs by up to 60%. Backed by Y Combinator, Pump's experienced team is building a transparent, collaborative, and fast-paced company culture focused on success.
Spaceium is seeking a Software Engineer to design and build the software powering its spacecraft. Responsibilities include developing critical systems for flight software, data processing, control algorithms, and automation tools. The ideal candidate possesses strong software development skills, understands aerospace standards, and is passionate about pushing technological boundaries. Experience is a plus but not mandatory; enthusiasm for learning and a willingness to work hard are key. Compensation is $90k-$110k USD annually, plus equity.
Depot, a rapidly growing build acceleration platform boasting 500+ paying customers and double-digit monthly growth, is seeking its first dedicated marketing hire. This role will be crucial in developing and executing a comprehensive marketing strategy, encompassing customer acquisition, activation, and expansion; content creation and calendar management; lead generation and nurturing; analytics and experimentation; and close collaboration with engineering and founders. The ideal candidate will possess 5+ years of developer-focused marketing experience, fluency with analytics tools, and a proven track record of success in content marketing, social media, SEO, and email campaigns.
Doctor Droid is building a smart assistant to help engineering teams accelerate investigations during production incidents. This open-source platform, backed by Accel and a Y Combinator W23 graduate, aims to reduce downtime and boost developer productivity. Their vision is to empower any team member to debug common production issues without needing senior engineers. They're looking for passionate developers to join their team.
Luthor, a fintech startup building AI-powered marketing compliance agents, is hiring its first full-time engineer. The role involves collaborating directly with the CEO and CTO to design and build the platform's core architecture, directly interacting with customers to gather feedback and develop innovative solutions. The tech stack includes Ruby on Rails, Postgres, React, and Docker. The ideal candidate is customer-obsessed, experienced in building and scaling high-performing B2B software products, entrepreneurial, and a strong communicator. Compensation is $120k-$180k, plus generous equity, commuter benefits, paid team vacations, and comprehensive health insurance.
Piramidal is hiring Research Engineers to build AI systems focused on neural data, enabling previously impossible tasks. Ideal candidates possess strong engineering skills, including designing, implementing, and enhancing massive-scale distributed machine learning systems, and a foundational understanding of neuroscience. The company offers competitive compensation and equity, driven by a mission to empower human potential through technology, championing cognitive liberty and opposing the commodification of minds.
Kastle, an AI-powered platform serving major US mortgage lenders, seeks a Founding Applied AI Engineer. With backing from Y Combinator and other prominent investors, Kastle is redefining loan servicing. This role requires 3+ years of experience in applied AI, proficiency in Python and deep learning frameworks, and experience fine-tuning LLMs. Responsibilities include integrating AI into their platform, designing AI workflows, ensuring regulatory compliance (FDCPA, RESPA, TILA), and optimizing for performance and scalability. This is a unique opportunity to build the foundation of a rapidly growing AI startup.
Parahelp is building an AI-powered support agent for software companies. Their agent uses existing infrastructure (Slack, Stripe, etc.) to resolve support tickets end-to-end, aiming to fully replace human support agents. They believe context, not intelligence, will be the bottleneck for future AI coworkers. Launched in August 2024, Parahelp is backed by Y Combinator and prominent investors, and already works with leading companies like Perplexity and Framer.
Stellar Sleep, a startup on a mission to improve sleep for millions with chronic insomnia, is hiring a founding product engineer. Launched in 2022, the company boasts strong clinical data, backing from top investors like Initialized Capital and Y Combinator, and proven success in helping tens of thousands sleep better. The ideal candidate will have 3-6 years of software engineering experience, proficiency in TypeScript and Python, familiarity with Django Rest Framework or NextJS, and a willingness to work from the San Francisco office. A healthcare background isn't required; a passion for learning and excellence is key.
Noloco, a fast-growing, remote-first company backed by Y Combinator, is hiring a Senior Product Designer. Your primary mission will be to establish a strong design foundation for Noloco, making its platform simple, powerful, and flexible for non-technical users. This includes defining the design system, redesigning the mobile experience, and helping to build new product features that enable businesses to build amazing software without writing code. This is a high-impact role where your work will directly influence Noloco's success, with opportunities for growth as the company scales.
Optifye, an AI performance monitoring system for factories, uses computer vision to identify and address inefficiencies in real-time. Having successfully deployed their system across leading manufacturers in garments, automotive, medical, and FMCG sectors on three continents, achieving a 12% productivity boost, they're now scaling rapidly after graduating from YC W25. Their ambitious goal is to deploy their system on 100 manufacturing lines in the next 4 months. They're seeking experienced engineers with deep expertise in GPU/CPU/memory optimization, scaling CV applications in production, containerized cloud deployments (AWS preferred), and a relentless drive to solve complex problems. This is a high-pressure, high-reward opportunity for top-tier talent.
Gym Class, the top-rated Meta Quest game (58K ratings, 4.9 stars), is seeking a Lead Technical Artist! You'll optimize art pipelines, develop tools, and enhance visual fidelity and performance across VR and mobile platforms using Unity, C#, and Python. Collaborate with engineers on performance profiling and optimization. Backed by top-tier investors including Andreessen Horowitz, Y Combinator, and the NBA, this is a chance to work at the forefront of social VR gaming, with fast iteration cycles and a direct impact on product development.
Prequel is a rapidly growing startup empowering B2B companies to make their data accessible to customers. They sync tens of billions of rows of data daily, tackling challenging technical problems, and have achieved strong product-market fit. Currently expanding, they're developing a new product and seeking experienced engineers to build it from the ground up, create excellent React experiences and SDKs, and own key architectural and design decisions. Ideal candidates have 3+ years building software at scale, expertise with React and TypeScript, and a proven ability to design excellent APIs/SDKs. They offer competitive salaries, equity, benefits, and a fantastic work environment.
Spark is building an advanced AI research tool to help energy developers build solar farms and battery plants. The tool tackles a major challenge in renewables – navigating complex local regulations. Industry leaders like Colliers, Standard Solar, and Cypress Creek Renewables already use Spark to inform investment decisions. Their projects will generate the equivalent of 60GW – enough to power tens of millions of homes annually! Spark is seeking experienced engineers to build core APIs, AI infrastructure, and data pipelines, owning features from concept to production and customer feedback.
Shadeform is hiring a Senior Software Engineer to build core orchestration and managed services for its GPU cloud marketplace. The company provides affordable and reliable GPU compute to Fortune 100 companies, startups, and more. The ideal candidate will have experience with Go programming, orchestration (Kubernetes, Nomad, etc.), cloud (AWS and GCP), and GPU/ML infrastructure. Competitive compensation, equity, and remote work options are offered.