Osium AI

Speed up materials innovation with Artificial Intelligence

EarlyParis, Île-de-France, France2 peopleFounded 2023YC S23

3 open roles

Engineering · Paris, IDF, FR
€40k–€70kApply
Engineering · Paris, IDF, FR
€40k–€70kApply
Engineering · Paris, IDF, FR
€50k–€70kApply

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

Data insights

Osium AI hiring insights

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

Key findings

  • Osium AI has the 1752nd most open roles of 2,949 startups hiring on firsthires.live.
  • 3 open roles is 0.7× the average Early startup here (4.2).
  • 67% of openings are in Engineering, then Science (33%).
  • Most roles are graduate / entry (67%). 2 roles suit graduates or interns.
  • With a team of about 2, these openings would grow headcount by up to 150%.
  • Median posted pay of $59k is 59% below the Early startup median ($145k).
Show 7 more findings
  • Engineering pay here (median $62k) is 66% below the market median for Engineering ($184k).
  • 100% of its roles post pay, against 42% across all listed startups.
  • 0% of its roles are fully remote (market: 23%).
  • 1 posting say they don’t sponsor visas.
  • 3 roles added in the last 30 days; 0 closed in the last 90.
  • A typical open listing here is 24 months old, against 2 months across the site.
  • Founded 3 years ago, in Y Combinator’s Summer 2023 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): 3 added, 0 closed, net +3
Week of 3 AugThis week (so far)

Momentum, explained

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

Hiring history

Roles ever listed here
3
Roles added in 30 days
3
Roles added in 90 days
3
Roles closed in 90 days
0
Tracked since
Oct 2026
Rank by open roles
#1,752
of 2,949 hiring startups
Openings per current employee
1.50

Volume and freshness

Open roles
3
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
24 months
Oldest: 37 months

Pay

Median posted pay
$59k
Annual USD, range midpoint
Middle half of pay
$59k–$62k
25th to 75th percentile
Roles that post pay
100%
3 of 3
Mention equity
0%

Work, level and access

Fully remote
0%
Say they sponsor visas
0
1 say they don’t
Graduate and intern roles
2
Median experience asked
3 yrs

Breakdowns

Roles added per month3 roles
MayJunJulAugSeptOct
By the month firsthires.live first saw each role.
Roles by team
  1. 1Engineering267%
  2. 2Science133%
Roles by level
  1. 1Graduate / entry267%
  2. 2Mid level133%
Where the work happens
  1. 1Not stated3100%
Top cities named
  1. 1Paris3100%
Contract type
  1. 1Full-time3100%
Departments on the board
  1. 1Engineering3100%
Posted pay spread (annual USD)
$43kLow$59k25th$59kMedian$62k75th$76kHigh
Osium AI vs Early startups (annual USD)Osium AI median: $59k
$59kLow$97k25th$145kMedian$185k75th$185kHigh

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