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Sierra

Scaling fast
Software Development San Francisco, California Watching 921 employees Updated as of Jul 28
The read

Software Development firm Sierra posted net +107 headcount over 90 days (120 joined, 13 left), with engineering the fastest-growing function at 257 total. Senior leadership hires signal geographic expansion: a VP-level Head of Agent Product for Europe and a Head of Sales for ANZ (promoted internally from GTM Leader). Three partner-level GTM roles joined, while two senior Agent Engineers departed to Heron Data. Top talent inflows came from Coinbase, Palantir Technologies, LinkedIn, and McKinsey & Company (3–4 each), consistent with scaling a technical product in the AI agent space.

+13% of staff
Net headcount · 90d
+107
mostly Engineering
New hires · 90d
120
vs 120 hires
Departures · 90d
13
quiet
Leadership moves · 90d
0

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Hiring paceCooling

New hires per month, last 12 months. 578 total hires.

49 joined
Aug 2025
25 joined
Sep 2025
28 joined
Oct 2025
30 joined
Nov 2025
101 joined
Dec 2025
39 joined
Jan 2026
61 joined
Feb 2026
71 joined
Mar 2026
54 joined
Apr 2026
68 joined
May 2026
52 joined
Jun 2026
0 joined
Jul 2026
12 months agoLast month

Notable moves

Hires, exits and promotions over the last 90 days — by role and function.

  • 37 people joined Engineering Aggregate
  • 26 people joined Aggregate
  • 18 people joined Aggregate
  • 9 people joined Aggregate
  • 8 people joined Aggregate
  • 4 people joined Aggregate

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Where they're growing

Net change by function, last 90 days.

Engineering +33
+24
+16
+8
+3

Flight risk watch

Elevated cluster of senior exit signals.

Talent flow

Which companies Sierra hires from — and loses people to — over the last 90 days.

Recruiting from

Coinbase+4
Palantir Technologies+4
LinkedIn+3
McKinsey & Company+3
Alchemy+2
Amazon+2

Departing to

Heron Data−2
ROBOTUM automations−2
Avoca−1
Private Company−1
Sekai−1
Spotify−1

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