Mercor
Small (~200)
Weaviate
Small (~110)
Best For
Mercor
Best for: Engineers who want to build AI hiring infrastructure at a $10B rocketship with extreme ownership and MIT-founder energy
Weaviate
Best for: Engineers who want open-source vector database work with true remote-first, async culture
Ratings
MercorWeaviate
3.9
4.3
Overall
3.9
4.2
Work-Life Balance
3.6
4.5
Culture & Values
4.0
4.0
Comp & Benefits
3.5
4.2
Senior Mgmt
3.7
4.0
Career Opps
👍 74% Recommend
👤 82% CEO Approval (Brendan Foody)
👍 85% Recommend
👤 90% CEO Approval (Bob van Luijt)
Culture Values
Mercor only
🚀 Ship Fast & Iterate⚙️ Engineering-Driven💎 Strong Comp & Equity
Weaviate only
🌐 Remote-Friendly📡 Async-First🔓 Open Source⚖️ Work-Life Balance🌈 Diverse & Inclusive🛡️ Safe to Fail
Shared
🤝 Flat Hierarchy
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
Weaviate
- Excellent remote-first culture — async workflows, timezone respect, and high autonomy
- Flat, ego-free culture — your voice is heard from day 1 regardless of title
- Time zone challenges inherent to a fully distributed global team
- Startup growing pains — processes still being established, things evolve quickly
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.
Weaviate
Choose Weaviate if you want excellent remote culture with flat hierarchy and open-source mission — but expect startup growing pains.
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
Weaviate — 5 jobs
💻 Engineering
3
💼 Sales / GTM
2
Summary
Mercor scores 3.9/5.0 on Glassdoor with a 3.9 work-life balance rating. Weaviate scores 4.3/5.0 overall with a 4.2 WLB. That’s a 0.4-point gap on overall satisfaction.
Both companies share these culture values: Flat Hierarchy. Mercor also emphasizes Ship Fast & Iterate, Engineering-Driven, Strong Comp & Equity. Weaviate also emphasizes Remote-Friendly, Async-First, Open Source, Work-Life Balance, Diverse & Inclusive, Safe to Fail.
On the hiring front, Mercor has 49 open roles and Weaviate has 5 open roles.