Lambda
Mid (~500)
Mercury
Large (~1,300)
Best For
Lambda
Best for: Professionals interested in Lambda
Mercury
Best for: Engineers who want product ownership and fast growth building startup banking infrastructure
Ratings
LambdaMercury
3.6
4.3
Overall
3.7
3.8
Work-Life Balance
3.7
3.9
Culture & Values
3.6
4.0
Comp & Benefits
3.4
3.8
Senior Mgmt
3.4
3.9
Career Opps
👍 72% Recommend
👤 76% CEO Approval (CEO)
👍 79% Recommend
👤 85% CEO Approval (Immad Akhund)
Culture Values
Lambda only
No unique values
Mercury only
🌱 Learning & Growth🧩 Wears Many Hats
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate💎 Strong Comp & Equity🎯 Direct Product Impact
Pros & Cons
Lambda
- Building the GPU cloud that powers the world’s top AI labs — genuinely impactful infrastructure
- Smart engineering team with strong technical culture and good WLB on most teams
- Management style described as top-down; strategy clarity could be better
- Internal politics and coordination overhead slow things down for some teams
Mercury
- Strong talent density with smart, motivated teammates and genuine autonomy and ownership
- Great Place to Work certified — product-first mindset with meaningful scope for every engineer
- Still figuring out how to scale processes — expect some ambiguity and shifting priorities
- Work-life balance rated 3.8/5 — periods of higher intensity during rapid growth phases
Bottom Line
Lambda
Lambda — check Glassdoor for detailed reviews.
Mercury
Choose Mercury if you want product ownership, fast growth, and to build banking infrastructure for startups — but expect growing pains and occasionally intense workloads.
Open Roles
Lambda — 32 jobs
💻 Engineering
14
💰 Finance
6
📋 Product
4
👤 HR / People
2
⚖️ Legal
1
Mercury — 70 jobs
💻 Engineering
15
💼 Sales / GTM
13
👤 HR / People
4
📋 Product
4
🎨 Design
3
⚖️ Legal
3
⚙️ Operations
3
📊 Data
2
💰 Finance
2
📣 Marketing
2
🧠 ML / AI
1
🎧 Support
1
Summary
Lambda scores 3.6/5.0 on Glassdoor with a 3.7 work-life balance rating. Mercury scores 4.3/5.0 overall with a 3.8 WLB. That’s a 0.7-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Strong Comp & Equity, Direct Product Impact. Mercury also emphasizes Learning & Growth, Wears Many Hats.
On the hiring front, Lambda has 32 open roles and Mercury has 70 open roles.