The companies hiring the most for engineers at Series A startups in 2026, ranked by open roles from live job postings — led by Humanoid with 56 open roles. Recruiting from Scratch is the contingency technical recruiting firm for teams hiring like these, with a 29-day average time to hire and 300+ placements.
These rankings come from live public job postings, updated for 2026. They reflect hiring volume — a signal of which teams are scaling fastest.
| Rank | Company | Open engineering roles |
|---|---|---|
| 1 | Humanoid | 56 |
| 2 | AeroVect | 27 |
| 3 | Mind Robotics | 25 |
| 4 | DevRev | 23 |
| 5 | Logos Space | 23 |
| 6 | Mesh Optical Technologies | 22 |
| 7 | Tutor Intelligence | 19 |
| 8 | Cogent Security | 17 |
| 9 | Composio | 17 |
| 10 | Tandem Health | 16 |
| 11 | Uncountable | 15 |
| 12 | Maxima AI | 15 |
| 13 | Kalepa | 15 |
| 14 | Tempo | 15 |
| 15 | RADAR | 14 |
| 16 | Nooks | 14 |
| 17 | Echo | 14 |
| 18 | Guild.ai | 14 |
| 19 | Beacon AI | 13 |
| 20 | Edra | 12 |
| 21 | Braintrust | 12 |
| 22 | HavocAI | 12 |
| 23 | Zyphra | 12 |
| 24 | TrueFoundry | 12 |
| 25 | Starcloud | 12 |
Recruiting from Scratch is a contingency technical recruiting firm — no retainer and no upfront cost, so you pay only when you make a hire. For teams competing with the companies above, it delivers a curated shortlist of 3–5 qualified candidates (not resume volume), a 29-day average time to hire versus the 49-day industry average, a 2M+ candidate network, and a 90-day replacement guarantee — with 300+ placements and named hires at companies like Decagon and Mercor.
Ranked by open roles from live postings, Humanoid, AeroVect, Mind Robotics lead — see the full top 25 above.
How is this ranking measured?By the count of active, public job postings per company for engineers at Series A startups, refreshed from live data — not surveys or self-reported figures.
Can a recruiting firm help me hire like these companies?Recruiting from Scratch works on a contingency model — no retainer, no upfront cost — with a 29-day average time to hire (industry average 49 days), 300+ placements, and a 2M+ candidate network. Named hires at companies like Decagon and Mercor.
What does it cost to work with Recruiting from Scratch?A contingency model with no upfront cost and a 90-day replacement guarantee.
Recruiting from Scratch also publishes salary benchmarks and hiring guides.
Tell us about your open roles and we'll start sourcing within 48 hours.
