Mercor
Small (~200)
Samsara
Large (~5,200)
Best For
Mercor
Best for: Engineers who want to build AI hiring infrastructure at a $10B rocketship with extreme ownership and MIT-founder energy
Samsara
Best for: Sales and ops professionals who thrive in a high-growth public company selling real IoT hardware+software to physical industries
Ratings
MercorSamsara
3.9
4.0
Overall
3.9
3.9
Work-Life Balance
3.6
4.1
Culture & Values
4.0
4.0
Comp & Benefits
3.5
3.8
Senior Mgmt
3.7
3.8
Career Opps
👍 74% Recommend
👤 82% CEO Approval (Brendan Foody)
👍 80% Recommend
👤 84% CEO Approval (Sanjit Biswas)
Culture Values
Mercor only
⚙️ Engineering-Driven🤝 Flat Hierarchy
Samsara only
🎯 Direct Product Impact🌱 Learning & Growth
Shared
🚀 Ship Fast & Iterate💎 Strong Comp & Equity
Pros & Cons
Mercor
- Massive impact at an AI company growing at breakneck speed
- Top-tier compensation with strong equity at $10B valuation
- Intense 9/9/6 work schedule — long hours are the norm
- Work-life balance is a real sacrifice at this stage
Samsara
- Clear career trajectory with frequent promotions in sales
- Real-world product impact building IoT for physical operations
- Engineers rate WLB at only 2.9/5 despite company average of 3.9
- Remote work used to justify overwork including weekends
Bottom Line
Mercor
Choose Mercor if you want outsized impact on AI-era hiring at a tiny, fast-moving team — but the 9/9/6 schedule is real, and work-life balance is genuinely sacrificed for speed.
Samsara
Strong sales culture and real-world product impact at massive scale, but engineers report significantly worse WLB than the company average suggests.
Open Roles
Mercor — 49 jobs
💻 Engineering
20
🧠 ML / AI
6
💼 Sales / GTM
5
👤 HR / People
3
📊 Data
2
📣 Marketing
2
📋 Product
2
🎨 Design
1
⚙️ Operations
1
Samsara — 383 jobs
💼 Sales / GTM
188
💻 Engineering
60
📋 Product
36
📣 Marketing
11
🧠 ML / AI
10
📊 Data
7
⚙️ Operations
7
🎧 Support
5
👤 HR / People
3
⚖️ Legal
2
🎨 Design
1
Summary
Mercor scores 3.9/5.0 on Glassdoor with a 3.9 work-life balance rating. Samsara scores 4.0/5.0 overall with a 3.9 WLB. That’s a 0.1-point gap on overall satisfaction.
Both companies share these culture values: Ship Fast & Iterate, Strong Comp & Equity. Mercor also emphasizes Engineering-Driven, Flat Hierarchy. Samsara also emphasizes Direct Product Impact, Learning & Growth.
On the hiring front, Mercor has 49 open roles and Samsara has 383 open roles.