
Design, build, test, and iterate physical systems in hours, not months. Backed by Sequoia Capital, Patrick and John Collison, and David Helgason. Used by Rivian, Joby, Astranis, and Radiant.

Design, build, test, and iterate physical systems in hours, not months. Backed by Sequoia Capital, Patrick and John Collison, and David Helgason. Used by Rivian, Joby, Astranis, and Radiant.
What they do: Agile requirements-management and engineering data platform for hardware and systems teams
Customers / market: Regulated hardware teams (aerospace, defense, space, robotics, energy)
Investors (selected): Sequoia Capital; EQT Ventures; individual backers include Patrick & John Collison and David Helgason
Company size: About 25 employees (company snapshot)
Requirements management and systems engineering for iterative hardware development in regulated industries
2016
IT Services and IT Consulting
$8.5M
Participation from Backed VC, David Helgason, Charlie Songhurst, Kyle Parrish, Matt Clifford
$23M
Participation from Patrick & John Collison and David Helgason; Roelof Botha (Sequoia) joined the board; HQ relocated to San Francisco
“Backed by prominent institutional and individual investors including Sequoia Capital, EQT Ventures, Patrick & John Collison, and David Helgason”
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About Flow Flow Engineering is an AI-native requirements platform for modern engineering organizations, enabling hardware teams to collaborate with AI agents to design, validate, and evolve complex systems with speed and rigor.
About The Role Flow is seeking Full Stack Software Engineers to build AI-powered capabilities that help teams author, review, and manage requirements more effectively. You will work on agentic systems engineer and agentic domain engineer workflows—bringing AI into the center of how teams reason about their systems.
This role sits at the intersection of AI, product, and full-stack engineering: you will take ideas from prototype all the way to stable, observable features in production.
What You’ll Do
About You
Our stack (AI-leaning)
How We Work & Values
Compensation Range: $190K - $280K