Hot Y Combinator-backed startups hiring

First on the list in November 2026: Stoke Space, Kalshi and Quindar.

Latest to raise: Ultra, which raised $50M Series A in October 2026. Updated November 11, 2026, using Saywise's data on startup funding and open roles. See how we rank them.

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The top 25, November 2026

1
Stoke Space
We're on a mission - starting with 100% reusable rockets.
Raised $1B Series E in September 2026
11 new roles in 30 days
YC W21
Investors: Y Combinator, Point72 Ventures, Spark Capital
61open roles$58k – $393k a year
2
Kalshi
Trade on the outcome of events
Raised $750M Series G in August 2026
9 new roles in 30 days
YC W19
Investors: Y Combinator, Andreessen Horowitz, Sequoia Capital
48open roles$70k – $300k a year
3
Quindar
Satellite Mission Management as a Service | streamline & automate design, test, and operations for constellations
Raised $25M Series A in August 2026
11 new roles in 30 days
YC S22
Investors: Y Combinator
37open roles$80k – $275k a year

4
Confido
The AI Infrastructure for CPG Brands from Deduction to Production Plan
Raised $55M Series B in September 2026
10 new roles in 30 days
YC S21
Investors: Y Combinator, Insight Partners
49 open roles$90k – $450k a year
5
Ultra
We are Ultra Group, one of the largest companies in Brazil.
Raised $50M Series A in October 2026
5 new roles in 30 days
YC S24
Investors: Y Combinator, Framework Ventures
21 open roles$55k – $350k a year
6
Whatnot
Whatnot—The Live Shopping Marketplace.
Raised $545M Series G in August 2026
32 new roles in 30 days
YC W20
Investors: Andreessen Horowitz, Y Combinator, Lightspeed Venture Partners, Animal Capital
217 open roles$50k – $580k a year
7
Pocket
Raised $11M Seed in June 2026
16 new roles in 30 days
YC W26
Investors: Y Combinator, Accel
29 open roles$10k – $300k a year
8
Vitalize
Unlocking Healthcare's Full Capacity
Raised $31M Series A in October 2026
4 new roles in 30 days
YC W23
Investors: Y Combinator, Oak HC/FT
18 open roles$120k – $280k a year
9
Helion
Building the world's first fusion power plant
Raised $465M Series G in June 2026
13 new roles in 30 days
YC S14
Investors: Y Combinator, Thrive Capital
61 open roles$117k – $375k a year
10
Multiply Labs
Developing advanced robotics technology to manufacture next-gen therapies at industrial scale.
Raised $75M Series B in October 2026
6 new roles in 30 days
YC S16
Investors: Y Combinator, Founders Fund, Casdin Capital, CRCM Ventures
11 open roles$11k – $320k a year
11
Nox Metals
Supplying America's Industrial Base | ISO 9001 CERTIFIED
Raised $11.5M Seed in June 2026
10 new roles in 30 days
YC S25
Investors: Y Combinator, Hyperion
75 open roles$39k – $350k a year
12
Beyond Reach Labs
Raised $10M Seed in July 2026
10 new roles in 30 days
YC W26
Investors: Y Combinator, Interlagos
18 open roles$100k – $190k a year
13
Metriport
Healthcare data infrastructure for next generation care delivery.
Raised $26M Series A in September 2026
5 new roles in 30 days
YC S22
Investors: Y Combinator, Matrix
20 open roles$120k – $350k a year
14
Astranis
We build the world's most advanced satellites for high orbits.
Raised a Debt round in September 2026
50 new roles in 30 days
YC W16
Investors: Andreessen Horowitz, Y Combinator, ACE & Company, ACE Early Stage Partners
369 open roles$70k – $285k a year
15
Ramp
The all-in-one financial operations platform designed to save businesses time and money.
Raised a round in October 2026
38 new roles in 30 days
YC S15
Investors: Y Combinator, ICONIQ Capital
106 open roles$60k – $450k a year
16
TRM Labs
Blockchain intelligence solutions to detect, monitor, and investigate fraud and financial crime in digital assets.
Raised a Series C round in September 2026
21 new roles in 30 days
YC S19
Investors: Y Combinator, Bessemer Venture Partners, Tiger Global Management, Alumni Ventures
65 open roles$86k – $343k a year
17
HUD
Hud is the first Runtime Code Sensor designed specifically to make AI-generated code production-safe by default.
Raised $16M Series A in June 2026
27 new roles in 30 days
YC W25
Investors: Y Combinator, Standard Capital
32 open roles$100k – $295k a year
18
Kastle
Smarter Solutions for a Safer World.
Raised $24M Series A in September 2026
4 new roles in 30 days
YC S24
Investors: Y Combinator, Insight Partners
20 open roles$96k – $350k a year
19
Torus
Raised a Pre-seed round in September 2026
12 new roles in 30 days
YC S26
Investors: Y Combinator
35 open roles$58k – $250k a year
20
Starcloud
Data Centers in Space
Raised a Series A round in August 2026
12 new roles in 30 days
YC S24
Investors: Y Combinator, Manhattan West
13 open roles$100k – $250k a year
21
Deepgram
Powering the Voice AI economy—trusted by 200,000+ developers to build low-latency, enterprise-grade Voice AI at scale.
Raised a Series C round in August 2026
9 new roles in 30 days
YC W16
Investors: Y Combinator, Tiger Global Management, Alkeon, AVP
42 open roles$50k – $361k a year
22
Fivetran
Fivetran, the industry leader in data movement, powers real-time analytics, AI workflows, cloud migrations and more.
Raised $257.4M Series D in May 2026
46 new roles in 30 days
YC W13
Investors: Y Combinator, Vista Credit Partners
104 open roles$80k – $315k a year
23
Juicebox
The modern AI recruiting platform that understands who you're looking for.
Raised $80M Series B in March 2026
16 new roles in 30 days
YC S22
Investors: Y Combinator, DST Global
38 open roles$100k – $450k a year
24
Turion Space
Turion Space is building the infrastructure to secure and sustain the future of space.
Raised $75M Series B in April 2026
18 new roles in 30 days
YC S21
Investors: Y Combinator, Washington Harbour Partners
30 open roles$70k – $300k a year
25
Flock Safety
American surveillance technology company
Raised $207.9M Series I in April 2026
18 new roles in 30 days
YC S17
Investors: Andreessen Horowitz, Y Combinator, Founders Fund, Tiger Global Management
25 open roles$40k – $243k a year

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