Engineering, Product and Design Startups funded by Y Combinator (YC) in the San Francisco Bay Area that are currently hiring 2024

Scale accelerates the development of AI within organizations of any size to deliver critical business insights and operational efficiency. Its data-centric infrastructure platform leverages RLHF (Reinforced Learning with Human Feedback) to help organizations build the strongest AI models that supercharge their business, with customers across industries including Meta, Microsoft, U.S. Army, DoD’s Defense Innovation Unit, Open AI, General Motors, Toyota Research Institute, Brex, Instacart and Flexport.

Rescale is a cloud-based platform for computational engineering and R&D, that empowers engineers and researchers to accelerate discovery, testing, and optimization. We democratize access to the latest technologies that drive greater efficiency and competitiveness, including high performance computing, simulation, modeling, AI/ML, and digital twins. The majority of industry leaders worldwide use Rescale as the backbone of R&D, connecting the digital thread of new product innovation to develop products that enrich humanity, from autonomous vehicles to drug discovery. Rescale customers include 7 of the top 10 automotive companies and 3 of the top 6 life science companies. Rescale’s full-stack, open platform automates systems, data, and workflows into a user-centric experience, so customers can focus on innovation. Choose from 1000+ pre-installed applications for multiphysics simulation and AI/ML-assisted design exploration, including commercial, open-source, and custom software. We offer the largest global network of hyperscale and specialty cloud infrastructure to leverage the latest CPU, GPU, and other specialized architectures. Rescale is enterprise-ready to enable any size organization to achieve their digital transformation goals–with unified management that gives IT teams full visibility and control of hybrid-cloud operations. Rescale’s intelligent automation gives customers flexibility to improve performance and reduce costs of computing, while our enhanced security and compliance ensures industry-leading standards are met from end to end. Getting started is simple, flexible, and free to try. Our team of experts is ready to help you achieve your most ambitious engineering goals – schedule a demo today. Join us and help us build products that change the world: www.rescale.com/careers

Built by electrical engineers for electrical engineers, SnapMagic removes monotony so that engineers can do their best work. SnapMagic’s electronic component data is used by over 1.5 million engineers across the world’s largest organizations. Its new AI Copilot will change the way that every engineer designs electronics. Join at www.snapmagic.com.

Imbue builds AI systems that reason and code, enabling AI agents to accomplish larger goals and safely work in the real world. We train our own foundation models optimized for reasoning and prototype agents on top of these models. By using these agents extensively, we gain insights into improving both the capabilities of the underlying models and the interaction design for agents. We aim to rekindle the dream of the *personal* computer, where computers become truly intelligent tools that empower us, giving us freedom, dignity, and agency to pursue the things we love.

Cosmic is a headless CMS and API toolkit to help teams build modern apps faster, together. We provide a web dashboard to create content and API tools to deliver content into any website or app. Teams benefit from using Cosmic because it eliminates the need to build and maintain their own CMS infrastructure. Teams pay a monthly subscription fee for our hosted CMS and can focus on their application logic, creating great content, and enhancing user experiences.

Rutter is building a universal API for e-commerce platforms, accounting systems and payment processors. Similar to the financial market before Plaid, the world of business financial data is split across hundreds of platforms like e-commerce storefronts, marketplaces, accounting systems and payment processors, such as Shopify, Amazon, Quickbooks, Netsuite, Stripe and others. Each of these platforms has its own app store or its equivalent, and the enterprising developer must spend thousands of hours building integrations in order to access the entire market. Rutter is an integration layer for any company building integrations into commerce or accounting platforms. You can learn more about our universal API here: https://www.rutter.com/

GitStart accelerates software engineers with Pull Requests as a Service. Assign tickets to GitStart Bot, go to sleep, and wake up with PRs. GitStart Bot automatically manages thousands of AI models and full-time engineers and runs peer reviews until PRs are ready to be merged. It’s scalable, flexible, and quality is guaranteed: you only pay for merged PRs.

Manage the words across your team’s product from design to production.

Luminai helps automate repetitive manual work away from your mission critical business processes. We're serving customers across retail, healthcare, financial services, and more. Visit our website and see our customer case studies below: https://luminai.com Grateful to be backed by General Catalyst, Craft Ventures, Y Combinator, Moxxie Ventures, Caffeinated Capital, Unshackled Ventures, Scribble Ventures, Shrug Capital, Underscore VC, Weekend Fund, Liquid 2 Ventures, Nikhil Basu Trivedi, Yuri Sagalov, Chris Golda, Basement Fund, the founders and CEOs of Dropbox, Flexport, Notion, Deel, Front, Ramp, Coda, Rappi, Twitch, Lever, Algolia, Thredup, Pagerduty, Sendbird, the COO's of Stitchfix/Rippling, and the former heads of product of Twitter, Instagram, and Uber. We’ve raised $20 million till date. We’re hiring across all roles!

Our software makes other software better. Product teams embed CommandBar in their products to help their customers onboard faster, adopt new features, learn new worfklows, and get help in-app where they are. What began with our flagship product – a magical search bar that lets users find anything in the app they were using – has since grown into a powerful platform for building great software. We help our customers ship delightful product tours, surveys, onboarding checklists, in-app help docs, and AI-powered copilots – fast. We’re obsessed with helping people get more done with computers and measure our success by the number of humans we serve. Today that’s over 15 million and counting as we work with some of the world’s most forward-thinking companies like Netlify, AngelList, Gusto, and Shortcut. We’re well funded, have strong early traction, and have build an incredibly talented team that’s low-ego and distributed across the world. It’s still day zero at CommandBar though. There’s a ton of room for you to have an outsized impact on our trajectory and do the best work of your career

Seam lets developers connect and control 3rd-party connected devices like door locks, thermostats, and more.

Finch is the API to access payroll and HR systems. We allow admins to connect their company in a compliant and secure manner to applications. Finch integrates across providers enabling developers to access a previously closed system and are at the source of truth for employee data and money flow. Our API powers use cases across lending, insurance, benefits, FP&A, and HR applications.

Great Question puts customer research on autopilot - from recruiting participants, scheduling interviews, sending surveys or prototype tests - and sharing what you learn with your team. Companies like Adidas Runtastic, O'Reilly Media & MainStreet use us to put their customers at the center of their product, design & marketing decisions.

We are bringing the competitive advantage data-driven engineering teams like Google have - to everyone else. Our analytics platform plugs directly into developer tools like Github to provide insights on delivery speeds, bottlenecks, and risks that impact team velocity & developer happiness. We're trusted by some of the world’s most innovative teams: Microsoft, The Economist, and Indiegogo and backed by Y Combinator, Soma Capital, Funders Club, and strategic angels (Founder @Optimizely, SVP Sales @Amplitude) . Haystack is a culture of tinkering, learning, testing and iterating. We ship quickly and help our customers do the same. We're led by founded by two technical founders who have experienced this problem first-hand after scaling their startups from 0 to 100m+ users.

We're building a visual application development platform to dramatically improve the time to market and quality of digital experiences. FlutterFlow helps companies and product teams improve developer efficiency, accelerate project timelines, and reduce costs for large-scale business applications. Our customers include some of the largest banking, consulting, telecom, and manufacturing companies in the world. We have more than 1.3M users in more than 200 countries and regions around the world. We’re a remote first team headquartered in the San Francisco Bay Area. We have offices in Mountain View, New York City, and Singapore.

Leverage insights from your engineering stack to accelerate velocity, align engineering work to business priorities, and increase visibility into your team’s DORA Metrics and SPACE Framework Metrics

Replo helps companies build websites with less code. Our goal is to create a single platform for businesses to design, develop, and market content on the internet.

testRigor is an executable specifications engine to help companies to empower their manual QA to be able to build automation 15X than QA engineers and spend 200X less time maintaining the code.

Product and engineering teams use OneSchema to save months of development time to build a CSV importer. OneSchema improves customer activation / import completion rates by automatically correcting customer data.

Aviator is a developer tool that automates merge workflows and keeps builds healthy. Engineers save up to 5 hours a week and avoid frustration of broken builds. Our users include Slack, Bosch, Lightspeed, Square, Benchling, Figma and many others. For instance, Slack went from 180 master-build failures per quarter to just 1 build failure when they started using Aviator. Our goal is to become the leading brand for developer experience.

Monterey AI builds intelligent customer voice infrastructure for product operations teams in hyper-growth companies. Monterey helps companies understand what actions to take to improve engagement and reduce churn by setting up user feedback channels, auto-collecting, and analyzing qualitative feedback and quantitative data from multiple sources.

Apptimize enables organizations to enhance their native iOS and Android apps to create amazing user experiences, improving acquisition, engagement, and retention. We do this with a platform that empowers product teams to efficiently run A/B tests, make instant updates, and personalize user experiences through staged and segmented rollouts. Apptimize, based in San Francisco, is backed by US Venture Partners, Google Ventures, Y Combinator, and others. Top apps including The Wall Street Journal, Vevo, HotelTonight, and Strava use Apptimize to continuously drive mobile growth.

Cognito is the highest converting ID verification system on the market. By starting with just a user's phone number, Cognito can verify their name, date of birth, address, phone, and Social Security Number. The strong link formed between a user and their phone number builds trust while reducing friction.