A small proprietary trading firm focused on prediction markets and sports.

Kajabi is a leading all-in-one platform for knowledge entrepreneurs to build, market, and sell educational content, communities, newsletters, and other digital products. They have helped entrepreneurs generate over $7 billion in sales from over 85 million customers to date.

Kale AI is building a new kind of urban logistics OS, geared towards dynamic and diverse last-mile operations, with efficiency and sustainability at its core. Their mission is to empower cycle-logistics operators in cities using e-cargo bikes.

We're building the R&D project platform for scientific teams pursuing ambitious goals. If you're passionate about advancing scientific research and eager to tackle complex challenges in a fast-paced startup.

Kalvium is building the Google Maps of education, focusing on a standardized, digital approach to CS education. They have implemented 100% AI-based evaluators in their B.Tech CS program and have launched their program in 20+ universities in India.

We’re building the fastest way to fight doxxing, digital stalking, and deepfakes. Join our team of 6, proudly backed by YC, 2048.vc, and Mozilla, and now funded by our customers.

Kandji, a fast-growing company in Miami, is hiring for several exciting full-time, ONSITE positions.

Kanmon is building finance infrastructure that lets software platforms embed payments and working capital directly into the software SMBs run their businesses on. They are developing an AI cashflow and business credit copilot to help businesses make smarter financial decisions in real time.

Video editing is the final frontier of software tools moving to the cloud. We're making the next generation of modern creators tools to enable everyone to share their story online. Join us at Kapwing on our mission to make content creation fast, accessible, and collaborative.

Karma is a small London-based pre-seed startup building a real-time consumer platform powered by AI in a category that doesn’t exist yet. The team has 2+ years of experience, an iOS prototype, validated UX, and alpha launches planned for late 2026. The founding tech team spans iOS, Flutter, AI/ML, and product design; the open role is the founding backend/full-stack engineer who will own the architecture.