Stephen Blum

CTO, PubNub
Aug 7, 2023

Three challenges to be aware of with Kubernetes

First-time Kubernetes has challenges: High costs due to unoptimized deployments. Steep learning curve. Optimizing HPA autoscaling for stability.
Stephen Blum
Stephen Blum
Jul 31, 2023

2x Performance Improved Moving Python 2 to Python 3

We are pleased to announce the results of the migration of the shared data pipeline service from Python 2 to Python 3.
Stephen Blum
Stephen Blum
Jul 20, 2023

Scaling and Extending Channel Groups with Rust

Migrating Python to Rust for scalability and adaptability. Our Channel Group infrastructure is one example of our engineering challenges.
Stephen Blum
Stephen Blum
Product Updates
Jul 12, 2023

OpenAI GPT API Integration with Functions

Developers seeking easy AI integration in their products will benefit from the globally distributed API feature introduced by PubNub. 
Stephen Blum
Stephen Blum
Aug 15, 2022

Building a WebRTC Video and Voice Chat Application

Tutorial on how to build a WebRTC video and voice chat application, including dialing, signaling, and voice/video live stream.
Stephen Blum
Stephen Blum
News
Jul 5, 2019

Amazon EC2: Reducing Costs + Getting Most at Scale

By making minimal changes to system files, you can increase the number of users serviced concurrently on EC2. This allows for fewer EC2 servers
Stephen Blum
Stephen Blum
Jul 2, 2018

An Introduction to Voice-controlled Apps in JS

Learn how to build your own voice-powered app and control devices remotely in JavaScript with the Spoken SDK and PubNub.
Stephen Blum
Stephen Blum
IoT
May 8, 2018

Security for IoT: What It Is and Why It Matters

IoT security has been a predominant topic of discussion, both for IoT businesses and their end users for the last decade.
Stephen Blum
Stephen Blum
PubNub Portal
May 7, 2018

Language Translation with Microsoft Translator

PubNub's Functions partnership to bring powerful language translation directly into your data streams - our new Microsoft Azure Translator BLOCK.
Stephen Blum
Stephen Blum