Top Series C Developer tools companies

On the Fulfillment Technologies & Robotics Team, we build dynamic partnerships between people and intelligent machines. This intricate collaboration helps Amazon fulfill orders with unmatched accuracy. Since we began working with robotics, we've added over a million new jobs worldwide.Working in symphony with our robotic technology, employees have the opportunity to extend their technical capabilities by working alongside some of the industry’s most advanced technologies. This includes our fleet of autonomous mobile robots, sophisticated control software, and technologies like language perception, machine learning, object recognition, and semantic understanding of commands. These technologies help employees deliver an ever-improving customer and employee experience, as well as improve the safety of our facilities. Explore opportunities across the entire Fulfillment Technologies & Robotics team to find the right fit for you.

• Series C
• 18k employees
• Founded 2003

Twitch is where thousands of communities come together for whatever, every day. Together for streamers. Together for games we love. Together for each other.

• Series C
• 14.9k employees
• Founded 2011

We find the best experts in every professional domain and put their knowledge to work training frontier models. Through APEX, we measure whether those models can actually perform economically valuable work. We're also bringing that expertise to enterprises: deploying custom AI agents, staffing teams with vetted domain experts, and helping organizations encode their own knowledge into AI systems.

• Series C
• 8.7k employees
• Founded 2023

HighRadius provides a single Agentic AI platform for the Office of the CFO. It integrates 180+ agents that orchestrate end-to-end processes across Order-to-Cash, Close & Reconciliation, Consolidation & Reporting, Accounts Payable, B2B Payments, and Treasury. HighRadius guarantees operational KPI improvements by mapping them to specific agents on the platform. With a 3-6 month go-live period, HighRadius drives value creation at 1300+ enterprises such as 3M, Unilever, Bristol-Myers Squibb Company, Red Bull, Lufthansa, and more. HighRadius has been consistently recognized as a market leader by Gartner, IDC, and Forrester.

• Series C
• 4.6k employees
• Founded 2006

Miro is the collaborative workspace where agents and teams converge to think, decide, and build together. As AI accelerates work, the challenge for organizations isn't doing more; it's turning individual output into scaled impact. Serving more than 100 million users across 250,000 customers, Miro’s shared, secure canvas surfaces the context that empowers teams to solve harder problems, make better decisions, and move work forward faster. Founded in 2011, Miro currently employs 1,600 people in 13 hubs around the world.

• Series C
• 2.8k employees
• Founded 2011