Scale AI
Large (~1,200)
Twilio
Large (~5,500)
Best For
Scale AI
Best for: Ambitious builders who want critical AI infrastructure work serving top-tier clients
Twilio
Best for: Professionals interested in Twilio
Ratings
Scale AITwilio
3.5
3.9
Overall
2.7
4.1
Work-Life Balance
2.9
4.0
Culture & Values
3.5
3.9
Comp & Benefits
2.8
3.7
Senior Mgmt
3.6
3.7
Career Opps
👍 56% Recommend
👤 60% CEO Approval (Alexandr Wang)
👍 78% Recommend
👤 82% CEO Approval (CEO)
Culture Values
Scale AI only
🎯 Direct Product Impact🚀 Ship Fast & Iterate
Twilio only
🌐 Remote-Friendly⚖️ Work-Life Balance🔓 Open Source💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🌱 Learning & Growth
Pros & Cons
Scale AI
- Building critical AI data infrastructure used by OpenAI, Meta, Microsoft, and the US government
- Strong compensation for engineers — competitive base + equity
- Work-life balance rated 2.7/5 — long hours common during client deadlines
- Culture and values scored 2.9/5 — inconsistent management quality
Twilio
- Genuine remote-first flexibility with excellent work-life balance
- Strong compensation, benefits, and engineering-driven culture
- Frequent reorgs and leadership changes create uncertainty
- Culture has shifted from creative builders to more corporate, profit-driven focus
Bottom Line
Scale AI
Choose Scale AI if you want to build data infrastructure for OpenAI and the US government — but expect long hours and inconsistent management.
Twilio
Twilio — check Glassdoor for detailed reviews.
Open Roles
Scale AI — 175 jobs
💻 Engineering
64
🧠 ML / AI
25
📋 Product
16
💼 Sales / GTM
14
⚙️ Operations
7
⚖️ Legal
5
📣 Marketing
4
📊 Data
2
💰 Finance
2
👤 HR / People
2
🎨 Design
1
🎧 Support
1
Twilio — 143 jobs
💼 Sales / GTM
44
💻 Engineering
43
📋 Product
8
🧠 ML / AI
7
📣 Marketing
6
⚙️ Operations
3
📊 Data
2
🎨 Design
2
💰 Finance
2
👤 HR / People
2
⚖️ Legal
2
Summary
Scale AI scores 3.5/5.0 on Glassdoor with a 2.7 work-life balance rating. Twilio scores 3.9/5.0 overall with a 4.1 WLB. That’s a 0.4-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Learning & Growth. Scale AI also emphasizes Direct Product Impact, Ship Fast & Iterate. Twilio also emphasizes Remote-Friendly, Work-Life Balance, Open Source, Strong Comp & Equity.
On the hiring front, Scale AI has 175 open roles and Twilio has 143 open roles.