Substrate

Artificial Intelligence for your medical billing team

Series ASan Francisco, CA, USA; Remote2 peopleFounded 2024YC S24

4 open roles

$100k–$130kApply
Engineering · San Francisco, CA, US

Engineering job in San Francisco

$140k–$200kApply
$125k–$200kApply
$125k–$200kApply

Roles are read from Substrate’s Y Combinator every hour and disappear here as soon as they close there.

Data insights

Substrate hiring insights

Counted from every role read from its board, compared with every startup listed on firsthires.live.

Key findings

  • Substrate has the 1482nd most open roles of 2,932 startups hiring on firsthires.live.
  • 4 open roles is 0.4× the average Series A startup here (10.4).
  • 100% of openings are in Engineering.
  • Most roles are senior (50%). None are tagged for graduates or interns.
  • With a team of about 2, these openings would grow headcount by up to 200%.
  • Median posted pay of $163k is 2% below the Series A startup median ($165k).
Show 8 more findings
  • Engineering pay here (median $163k) is 11% below the market median for Engineering ($183k).
  • 100% of its roles post pay, against 42% across all listed startups.
  • 0% of its roles are fully remote (market: 23%).
  • 100% of postings mention equity.
  • 4 postings say they don’t sponsor visas.
  • 4 roles added in the last 30 days; 0 closed in the last 90.
  • A typical open listing here is 8 months old, against 2 months across the site.
  • Founded 2 years ago, in Y Combinator’s Summer 2024 batch.

Hiring momentum

Momentum score50out of 100Too little data

50 is flat. Blends the 4-week change, the 12-week trend and net roles added.

Added, last 4 weeks
00%
vs 0 in the 4 weeks before
Added last week
00%
Week before: 0
Weekly trend
+0.00
Roles/week, per week · R² 0.00
Net roles, 4 weeks
+0
0 added − 0 closed
Forecast this week
0
Holt exponential smoothing
Average week
0.0
σ 0.0 · CV —
4-week refresh rate
0%
New roles ÷ open roles
4-week churn
0%
Closed roles ÷ open roles
Median time listed
>90 days
0% close within 30 days
Roles added and closed per weekAddedClosed4-week avg
Week of 3 Aug: 0 added, 0 closed, net +0Week of 10 Aug: 0 added, 0 closed, net +0Week of 17 Aug: 0 added, 0 closed, net +0Week of 24 Aug: 0 added, 0 closed, net +0Week of 31 Aug: 0 added, 0 closed, net +0Week of 7 Sept: 0 added, 0 closed, net +0Week of 14 Sept: 0 added, 0 closed, net +0Week of 21 Sept: 0 added, 0 closed, net +0Week of 28 Sept: 0 added, 0 closed, net +0Week of 5 Oct: 0 added, 0 closed, net +0Week of 12 Oct: 0 added, 0 closed, net +0Week of 19 Oct: 0 added, 0 closed, net +0Week of 26 Oct (so far): 4 added, 0 closed, net +4
Week of 3 AugThis week (so far)

Momentum, explained

  • Substrate hasn’t added enough roles in the last few months to read a trend yet.

Hiring history

Roles ever listed here
4
Roles added in 30 days
4
Roles added in 90 days
4
Roles closed in 90 days
0
Tracked since
Oct 2026
Rank by open roles
#1,482
of 2,932 hiring startups
Openings per current employee
2.00

Volume and freshness

Open roles
4
Listed in the last 7 days
0
0% of open roles
Listed in the last 30 days
0
0% of open roles
Typical listing age
8 months
Oldest: 9 months

Pay

Median posted pay
$163k
Annual USD, range midpoint
Middle half of pay
$151k–$164k
25th to 75th percentile
Roles that post pay
100%
4 of 4
Mention equity
100%

Work, level and access

Fully remote
0%
Say they sponsor visas
0
4 say they don’t
Graduate and intern roles
0
Median experience asked
3 yrs

Breakdowns

Roles added per month4 roles
MayJunJulAugSeptOct
By the month firsthires.live first saw each role.
Roles by team
  1. 1Engineering4100%
Roles by level
  1. 1Senior250%
  2. 2Manager125%
  3. 3Mid level125%
Where the work happens
  1. 1Not stated4100%
Top cities named
  1. 1San Francisco4100%
Contract type
  1. 1Full-time4100%
Departments on the board
  1. 1Engineering4100%
Posted pay spread (annual USD)
$100kLow$151k25th$163kMedian$164k75th$200kHigh
Substrate vs Series A startups (annual USD)Substrate median: $163k
$115kLow$115k25th$165kMedian$213k75th$213kHigh

Pay is each role’s posted range converted to annual US dollars, midpoint. See every Substrate role.