Whether you want to level up your skills or build a great team, CodeSignal’s skills assessments and AI-powered learning tools get you where you need to go.

Happydance builds high-performance careers websites that turn candidate experience into competitive advantage. Our SaaS platform helps mid-market and enterprise companies attract top talent, showcase their employer brand, and convert interest into hires, seamlessly and at scale.

Bravado is a hiring platform purpose-built for scaling sales teams. We connect companies with top-tier, pre-vetted sales talent, combining rich performance data and AI-driven matching to streamline the entire recruiting process.

We partner with exceptional teams to help great people hire great people.

With CoderPad you can assess real skills, reduce time-to-hire, and build high-performing teams with coding tests and interviews that reflect real engineering work saving companies an average of $30,000 per hire. CoderPad Screen: Screen smarter, hire faster. CoderPad Screen gives you reliable coding assessments built around real-world engineering tasks—quickly identify top talent, streamline your pipeline, and reduce costly mishires. CoderPad Interview: Interviews built for real engineering work. CoderPad Interview enables your team to conduct real-time, collaborative coding sessions—clearly assess how candidates code, communicate, and solve realistic problems, ensuring confident hiring decisions.

Lattice is best all-in-one people platform, giving HR teams everything they need for HR, Talent, and AI—together in one place.The platform seamlessly integrates a modern HRIS with performance management, engagement insights, AI-driven analytics, payroll, and career development tools, giving HR teams everything they need to build high-performing teams and make data-driven decisions that drive business results. Unlike outdated, disconnected systems, Lattice removes tradeoffs between best-in-class people programs and operational efficiency. Because HR teams shouldn't have to choose between strategic impact and a system that just works. With offices in North America and the UK, Lattice serves more than 5,000 customers worldwide, including Gusto, Brilliant Earth, Intercom, Webflow, Calm, NPR, Tide, and more. The company has ranked on the Inc. 5000 list of the fastest-growing private companies for four consecutive years and is rated as a Great Place to Work by 99 percent of its employees.

iMocha is a leader in skills assessment and skills intelligence, empowering organizations to adopt a skills-first approach to workforce development.

Streamline interviewing and transform your quality of hire with BrightHire, the #1 Interview Intelligence platform trusted by 300+ leading talent teams including companies like Ramp, Canva, Klaviyo, Zapier, HCA Healthcare, Intercom, Toast, Vercel and Devoted Health. BrightHire’s complete AI interviewing platform seamlessly fits into your team’s hiring workflow so you can: • Scale interview structure with AI-assisted interview planning and live interview guides • Capture every interview detail with automatic AI notes, highlights and transcripts that free up your hiring teams to focus fully on candidates, not taking notes. • Collect better scorecards in half the time with comprehensive AI-generated notes and 1-click scorecard integrations. • Raise quality of hire with accurate candidate summaries and shareable interview highlights for evidence-based debriefs. • Build a team of exceptional interviewers with market-leading interview insights, personalized tips for your hiring teams, and async interview coaching playlists.

Unified.to helps software teams ship API integrations fast at any scale. We've grown to 20 unified API categories, 280+ integrations, and 1200+ distinct data objects.

At candidate.fyi, our mission is to help recruiting teams create exceptional candidate experiences while reducing the time spent on manual tasks. By empowering TA teams with our suite of tools, we enable them to focus on building meaningful connections and elevating the overall hiring journey. We're here to streamline processes, promote transparency, and ensure every candidate feels valued throughout the hiring process.

Merge is a single API to add hundreds of integrations to your product. With Merge’s Unified API, developers access a standardized data model to pull and post data between their own platforms and the platforms that Merge offers connections with, in categories like HR & Payroll, ATS, Accounting, CRM, Ticketing, Marketing Automation, File Storage, and more. Merge manages these integrations end-to-end and provides tools that give full visibility and control over your integrations, which saves you countless hours of maintenance and support. The Merge dashboard allows developers to control data syncs, configure webhooks, troubleshoot and resolve customer issues like expired API keys, and more, without the use of engineering resources. By offering integrations at scale, Merge customers like Drata, Ramp, Calendly, and Gong close deals faster, reduce customer churn, and save engineering costs spent on building and maintaining integrations.

We work intensively with the companies for three months to get them into the best possible shape and refine their pitch to investors. Each cycle culminates in Demo Day, when the startups present their companies to a carefully selected, invite-only audience. But YC doesn’t end on Demo Day. We and the YC alumni network continue to help founders for the life of their company, and beyond.