CoPlane is building the data plane for trusted trade, deploying Stripe-caliber data and financial infrastructure for US industrial leaders. Founded by ex-Stripe/Segment product and tech leads, we're modernizing supply chain finance starting with AP automation.

CoVar is a small R&D company specializing in machine learning and software development for defense, healthcare, and manufacturing applications.

Coachcube is a new gym product providing a virtual PT service. We have an experienced senior leadership team and are building a hardware/software product using digital motors, camera vision, and ML to design a next-generation weight-lifting product.

Coast is re-imagining the trillion-dollar U.S. B2B card payments infrastructure, with a focus on the country’s 500,000 commercial fleets, 40 million commercial vehicles, and many million commercial drivers. Coast's mission is to deliver modern digital experiences, affordable and transparent financial services products at a transformational scale, and to improve working lives in one of the country’s biggest industry sectors.

Cobalt helps secure leading companies (e.g. Dropbox, PagerDuty) by connecting them with on-demand pentesting experts. Our application brings both sides together to identify, triage and fix vulnerabilities. Ten years in and over 40K commits later, our technology has been battle tested by thousands of users and we’re still having fun. We’re a team of can-do people who care about craft, collaboration, and our customers.

Cocotec is a small high-tech spinout of the University of Oxford. They build a tool called Popili that helps developers build event-driven systems by using formal verification to automatically find bugs. They have developed their own programming language called Coco that makes formal verification accessible to non-specialist users. Many of their customers build complex physical machines controlled by software where the main controller is written in Coco.

We're building software performance optimization tools to optimize and measure code performance before it is deployed to production. We avoid regressions that impact UX and help developers solve their performance issues faster. We're already live and trusted by top-tier open-source project teams such as Pydantic, Ruff, and Prisma.

Code.org is a nonprofit dedicated to expanding access to computer science in K-12 schools and increasing participation by young women and students from other underrepresented groups.

We're building Aide, an AI-native, privacy-first IDE. With the advent of AI, we believe there is an opportunity and necessity to re-imagine the IDE to be a place where developers and AI are both first-class citizens, and AI can pair-program as well as complete tasks independently.

CodeWeavers needs new, full-time developers to improve Wine's ability to run games and other types of software and integrate well with the native operating system and other system components. Positions are available to work on a variety of Wine-based software, including CodeWeavers's own CrossOver product; the Proton project for Valve Software; and projects for other clients and software internal to CodeWeavers.