Datadog
Large (~6,000)
Fireworks AI
Small (~100)
Best For
Datadog
Best for: Engineers who want strong comp and interesting scale challenges in cloud observability
Fireworks AI
Best for: Engineers who want to work with ex-Meta AI infrastructure engineers on LLM inference
Ratings
DatadogFireworks AI
4.2
4.2
Overall
3.8
3.3
Work-Life Balance
4.3
4.3
Culture & Values
4.4
4.2
Comp & Benefits
3.8
4.2
Senior Mgmt
4.0
4.0
Career Opps
👍 80% Recommend
👤 87% CEO Approval (Olivier Pomel)
Culture Values
Datadog only
🎯 Direct Product Impact💎 Strong Comp & Equity
Fireworks AI only
🧩 Wears Many Hats🎧 Deep Work / Low Meetings
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate🌱 Learning & Growth
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
Fireworks AI
- World-class team of ex-Meta AI infrastructure engineers — technically very strong peers
- Working on LLM inference optimization which is one of the hottest areas in AI infrastructure
- Early-stage startup intensity with long hours expected and high performance bar
- Small team and rapidly evolving product means less structure, process, and career laddering
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.
Fireworks AI
Choose Fireworks AI if you want to work with ex-Meta AI infrastructure engineers on cutting-edge LLM inference — but expect early-stage startup intensity and limited structure.
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
Fireworks AI — 28 jobs
💻 Engineering
9
💼 Sales / GTM
4
⚙️ Operations
2
👤 HR / People
1
⚖️ Legal
1
📣 Marketing
1
🧠 ML / AI
1
📋 Product
1
Summary
Datadog scores 4.2/5.0 on Glassdoor with a 3.8 work-life balance rating. Fireworks AI scores 4.2/5.0 overall with a 3.3 WLB. They’re tied on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Learning & Growth. Datadog also emphasizes Direct Product Impact, Strong Comp & Equity. Fireworks AI also emphasizes Wears Many Hats, Deep Work / Low Meetings.
On the hiring front, Datadog has 451 open roles and Fireworks AI has 28 open roles.