Cerebras Systems
Large (~700)
MongoDB
Large (~5,500)
Best For
Cerebras Systems
Best for: Hardware and systems engineers who want to build the world's fastest AI chip at a newly public company
MongoDB
Best for: Professionals interested in MongoDB
Ratings
Cerebras SystemsMongoDB
4.0
4.0
Overall
3.8
3.8
Work-Life Balance
4.1
4.1
Culture & Values
4.0
4.0
Comp & Benefits
3.8
3.8
Senior Mgmt
3.8
3.8
Career Opps
👍 80% Recommend
👤 84% CEO Approval (Andrew Feldman)
👍 80% Recommend
👤 84% CEO Approval (CEO)
Culture Values
Cerebras Systems only
No unique values
MongoDB only
🔓 Open Source💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🌱 Learning & Growth🎯 Direct Product Impact
Pros & Cons
Cerebras Systems
- Collaborative culture with strong mentorship
- Autonomy in small self-managed teams
- Top-down decisions with aggressive timelines
- Recent layoffs and workload concerns
MongoDB
- World-class enablement — best training programs many employees have encountered
- Competitive pay with strong equity, especially for senior roles
- No 401k match and culture has gotten more political at scale
- Work-life balance is team-dependent — some teams have long hours expectations
Bottom Line
Cerebras Systems
Choose Cerebras if you want to work on wafer-scale AI chips with collaborative mentorship and autonomy — but expect aggressive timelines driven from the top and recent organizational instability post-IPO.
MongoDB
MongoDB — check Glassdoor for detailed reviews.
Open Roles
Cerebras Systems — 93 jobs
💻 Engineering
58
🧠 ML / AI
10
💰 Finance
5
📋 Product
5
📣 Marketing
2
⚙️ Operations
2
🎨 Design
1
⚖️ Legal
1
MongoDB — 428 jobs
💼 Sales / GTM
171
💻 Engineering
133
📋 Product
32
📣 Marketing
14
⚙️ Operations
9
👤 HR / People
8
💰 Finance
6
🧠 ML / AI
4
📊 Data
2
Summary
Cerebras Systems scores 4.0/5.0 on Glassdoor with a 3.8 work-life balance rating. MongoDB scores 4.0/5.0 overall with a 3.8 WLB. They’re tied on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Learning & Growth, Direct Product Impact. MongoDB also emphasizes Open Source, Strong Comp & Equity.
On the hiring front, Cerebras Systems has 93 open roles and MongoDB has 428 open roles.