GTM Engineer vs Solutions Engineer vs Forward Deployed Engineer
A GTM engineer builds the systems that create pipeline before a deal exists. A solutions engineer (also called a sales engineer) helps win deals that are already in progress by handling the technical side. A forward deployed engineer (FDE) works inside customer accounts after the sale, building custom solutions and feeding what they learn back into the product. They cover three different stages of the customer journey.
| GTM engineer | Solutions engineer | Forward deployed engineer | |
|---|---|---|---|
| Stage | Before the deal: find and reach buyers | During the deal: technical evaluation | After the deal: deployment and expansion |
| Main job | Build pipeline systems | Demos, proofs of concept, security reviews | Build custom solutions inside customer environments |
| Measured on | Meetings and pipeline created | Technical win rate | Customer outcomes, adoption, product feedback |
| Codes? | Sometimes | Some (demos, POCs) | Yes, a lot |
| Works with | Founders, AEs, marketing | AEs, prospects' technical teams | Customer teams and core product engineers |
Where "forward deployed engineer" came from
The FDE role was created at Palantir in the early 2010s, where it was internally called "Delta". Until around 2016, Palantir had more FDEs than regular software engineers. The title has since spread to AI companies that deploy complex products inside customers. FDEs differ from solutions engineers mainly because they're expected to contribute to the core product, not only advise (The Pragmatic Engineer).
The overlap: "customer-facing GTM engineers"
Some job posts titled "GTM engineer" are really customer-facing: part solutions engineer, part customer success, part AI implementer. One 2026 study found about 25% of GTM engineer postings fit that type, with pay of $150,000–$300,000, vs about 65% that are internal pipeline builders (Revnu). Read the responsibilities, not the title.
Which does a startup need?
- No pipeline yet: GTM engineer.
- Pipeline, but technical buyers stall deals: solutions engineer.
- Customers buy, but deployment is complex and custom: forward deployed engineer.
Most seed-stage B2B companies need the GTM engineer first; founders usually cover solutions engineering themselves until deal volume grows.
Switching between them
- SE → GTM engineer: strong technically and with buyers; learn top-of-funnel and outbound systems.
- FDE → GTM engineer: strong builder; learn list building, signals and messaging.
- GTM engineer → FDE: needs deeper software engineering and comfort embedding with customers.
FAQ
Is a forward deployed engineer a sales role? No. FDEs are engineers who work with customers, usually after the sale.
Is a solutions engineer the same as a sales engineer? Mostly yes; the titles are used interchangeably at many companies.
Can one person do GTM engineering and solutions engineering? At very early startups, sometimes. As deal volume grows, the roles split.
Need one of the three? Book a call → · Thinking of switching? Introduce yourself →
Related: GTM Engineering: The Complete Guide · GTM vs growth vs marketing engineer · What does a GTM engineer do?