The term 'Forward Deployed Engineer' is being used inconsistently across AI labs and startups

The title 'Forward Deployed Engineer' (FDE) is being used to describe roles that share only a name, according to a first-person account from Vinoo Ganesh, CEO of Kepler and a former Palantir engineer who led Project Frontline. Ganesh writes that FDEs are now in high demand across AI labs, startups, and private equity firms, but the responsibilities, reporting lines, and incentives vary widely. Some FDEs function as sales engineers joining early customer calls, others as quota-carrying reps who write Python, and still others as consultants delivering scoped work under a statement of work.

Ganesh traces the origin of the FDE role to Palantir, where the function emerged from the company’s split between product development and business development. Product development built the platform, while business development included technical staff called FDEs and non-engineering roles called Embedded Analysts or Deployment Strategists. Product development rarely engaged directly with customers, and business development rarely contributed to the core platform, creating a gap between customer reality and product design.

The gap became visible to Ganesh during a deployment of a transaction store called Phoenix at a bank. Despite a clean design and clear requirements, the system failed in production because the team had never observed it running against real data. The failure led Ganesh to adopt an FDE mindset: solving customer problems in real environments to inform what gets built next. Project Frontline, a rotation program Ganesh led at Palantir, trained over 250 engineers as FDEs, many of whom now lead FDE teams at organizations including OpenAI, Anthropic, xAI, and Anduril.

Ganesh argues that the FDE role is fundamentally an extension of the product team, not a sales or consulting function. He contrasts his view with the current landscape, where the term has been co-opted to mean 'a person who does something that vaguely involves a customer.'