Alex Kumar
Senior Software Engineer
Google
4.9
(127 reviews)
Specializes in scalable backend systems, microservices, and cloud architecture. 8+ years at Google.
Python
Go
Kubernetes
AWS
Usually responds in 2hrs
Maria Garcia
Tech Lead
Meta
5.0
(94 reviews)
Expert in React, frontend architecture, and performance optimization. Former Instagram team lead.
React
TypeScript
Next.js
GraphQL
Usually responds in 1hr
James Wilson
Staff Engineer
Amazon
4.8
(156 reviews)
Specializes in distributed systems, AWS infrastructure, and system design interviews.
Java
AWS
System Design
Docker
Usually responds in 3hrs
Lisa Chen
Principal Engineer
Netflix
5.0
(203 reviews)
Expert in video streaming, real-time systems, and high-performance applications at scale.
Node.js
WebRTC
Redis
Kafka
Usually responds in 4hrs
David Park
ML Engineer
OpenAI
4.9
(88 reviews)
Specializes in machine learning, NLP, and building AI-powered applications from scratch.
Python
TensorFlow
PyTorch
NLP
Usually responds in 2hrs
Sarah Johnson
Mobile Lead
Uber
4.8
(112 reviews)
Expert in iOS and Android development, React Native, and mobile app architecture.
Swift
Kotlin
React Native
Flutter
Usually responds in 1hr