The companies hiring the most for engineers at Series B startups in 2026, ranked by open roles from live job postings — led by Zoox with 126 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 | Zoox | 126 |
| 2 | Streamlit | 123 |
| 3 | Harmattan Ai | 82 |
| 4 | LangChain | 61 |
| 5 | Northwood Space | 44 |
| 6 | Allen Control Systems | 41 |
| 7 | Heron Power | 38 |
| 8 | Valar Atomics | 37 |
| 9 | Mirantis | 29 |
| 10 | Sereact | 24 |
| 11 | Bedrock Robotics | 23 |
| 12 | Amca | 22 |
| 13 | Maxima | 21 |
| 14 | Atlas | 19 |
| 15 | Netic | 18 |
| 16 | Bitwarden | 18 |
| 17 | Defense Unicorns | 18 |
| 18 | OLIX | 17 |
| 19 | Vapi | 17 |
| 20 | Serval | 17 |
| 21 | Neuron7.ai | 16 |
| 22 | Twenty Technologies | 16 |
| 23 | Striveworks | 15 |
| 24 | BRINC | 15 |
| 25 | Normal Computing | 15 |
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, Zoox, Streamlit, Harmattan Ai 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 B 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.
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