Datadog
Large (~6,000)
Mercury
Large (~1,300)
Best For
Datadog
Best for: Engineers who want strong comp and interesting scale challenges in cloud observability
Mercury
Best for: Engineers who want product ownership and fast growth building startup banking infrastructure
Ratings
DatadogMercury
4.2
4.3
Overall
3.8
3.8
Work-Life Balance
4.3
3.9
Culture & Values
4.4
4.0
Comp & Benefits
3.8
3.8
Senior Mgmt
4.0
3.9
Career Opps
👍 80% Recommend
👤 87% CEO Approval (Olivier Pomel)
👍 79% Recommend
👤 85% CEO Approval (Immad Akhund)
Culture Values
Datadog only
No unique values
Mercury only
🧩 Wears Many Hats
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate🌱 Learning & Growth🎯 Direct Product Impact💎 Strong Comp & Equity
Pros & Cons
Datadog
- Excellent compensation and equity — stock has been a genuine wealth builder for early employees
- Strong engineering culture with smart coworkers and interesting technical challenges at scale
- Fast pace can lead to long hours and pressure to deliver, work-life balance varies by team
- Rapid growth has led to organizational growing pains and bureaucracy creeping in
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
Datadog
Choose Datadog if you want strong comp, interesting scale challenges in observability, and a fast-paced engineering culture — but expect long hours and growing bureaucracy.
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
Datadog — 451 jobs
💼 Sales / GTM
217
💻 Engineering
118
📋 Product
28
📣 Marketing
15
👤 HR / People
8
🧠 ML / AI
8
🎨 Design
7
⚙️ Operations
6
⚖️ Legal
3
📊 Data
1
💰 Finance
1
Mercury — 51 jobs
💻 Engineering
11
💼 Sales / GTM
9
⚖️ Legal
4
🎨 Design
3
📣 Marketing
3
📊 Data
2
💰 Finance
2
👤 HR / People
2
📋 Product
2
🧠 ML / AI
1
⚙️ Operations
1
🎧 Support
1
Summary
Datadog scores 4.2/5.0 on Glassdoor with a 3.8 work-life balance rating. Mercury scores 4.3/5.0 overall with a 3.8 WLB. That’s a 0.1-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Learning & Growth, Direct Product Impact, Strong Comp & Equity. Mercury also emphasizes Wears Many Hats.
On the hiring front, Datadog has 451 open roles and Mercury has 51 open roles.