S

Sierra

Scaling fast

Software Development San Francisco, California Watching 921 employees Updated as of Jul 28

The read

The AI software developer is scaling rapidly: net +45 hires over 90 days, with the fastest growth in sales (179 headcount, now second-largest function behind engineering's 257). Senior GTM hires dominate arrivals — three partner-level GTM roles and two sales directors joined — while the company also promoted its ANZ GTM leader to Head of Sales, ANZ. Departures are modest (7 total), though two senior agent engineers left for Heron Data and a sales director role turned over. Inbound talent flows from Coinbase and Microsoft (two each), signaling enterprise and crypto crossover interest.

+5% of staff
Net headcount · 90d: +45; mostly Engineering
New hires · 90d: 52; vs 52 hires
Departures · 90d: 7; quiet
Leadership moves · 90d: 0

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Hiring pace

New hires per month, last 12 months. 529 total hires.

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

0 joined
Aug 2026

12 months agoLast month

Notable moves

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

16 people joined Engineering Aggregate
13 people joined Aggregate
9 people joined Aggregate
4 people joined Aggregate
4 people left Aggregate
2 people left Aggregate

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Where they're growing

Net change by function, last 90 days.

Engineering +12

+12

+9

+2

+1

Flight risk watch

No elevated cluster of senior exit signals right now. Inkling flags one when it appears — track this market.

Talent flow

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

Recruiting from

C

Coinbase+2

M

Microsoft+2

A

Amplitude+1

B

Bain & Company+1

B

Braze+1

B

Brex+1

Departing to

HHeron Data−2

PPrivate Company−1

SSekai−1

UU.S. Coast Guard−1

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Related companies

Aggregate signals refresh weekly. Moves are drawn from public profiles and reported by role — we never name individuals on this page.