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Topics

Development

Featured in Development

How to Use Apache Spark to Craft a Multi-Year Data Regression Testing and Simulations Framework

Vivek Yadav, an engineering manager from Stripe, shares his experience in building a testing system based on multi-year worth of data. He shares insights into why Apache Spark was the choice for creating such a system and how it fits in the "traditional" engineering practices.

All in development

Architecture & Design

Featured in Architecture & Design

Scaling Cloud and Distributed Applications: Lessons and Strategies

The article shares goals and strategies for scaling cloud and distributed applications, focusing on lessons learned from cloud migration at Chase.com at JP Morgan Chase. The discussion centers on three primary goals and the strategies addressing the goals, concluding how these approaches were achieved in practice. For those managing large-scale systems, these lessons provide valuable guidance!

All in architecture-design

AI Infrastructure

Featured in AI, ML & Data Engineering

GenAI Security: Defending Against Deepfakes and Automated Social Engineering

In this episode, QCon AI New York 2025 Chair Wes Reisz speaks with Reken CEO and Google Trust & Safety founder Shuman Ghosemajumder about the erosion of digital trust. They explore how deepfakes and automated social engineering are scaling cybercrime and argues defenders must move beyond default trust, utilizing behavioral telemetry and game theory to counter attacks that simulate human behavior.

All in ai-ml-data-eng

Culture & Methods

Featured in Culture & Methods

Empathy Driven Platforms: You Build It, Let’s Run It Together

Erin Doyle explains the evolution from siloed IT Ops to the Platform Team model, revealing why the "You Build It, You Run It" principle created new cognitive load. She shares the Empathy-Driven Platforms strategy - the ultimate attack against engineering roadblocks. Discover ways platform teams can build empathy, foster psychological safety, and adopt a product mindset.

All in culture-methods

DevOps

Featured in DevOps

Trust No One: Securing the Modern Software Supply Chain with Zero Trust

Emma Yuan Fang explains the Zero Trust mindset required to combat modern software supply chain attacks. She details security controls for dependency management, including SBOM (Software Bill of Materials), artifact signing, Git commit signing, and CI/CD hardening. Learn how to implement security gating, enforce policies as code, and manage secrets across your build and runtime environments.

All in devops

Events

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QCon AI New York 2025

Go from AI demos to real engineering impact. Learn to embed LLMs, govern & scale securely.

SOLD OUT!

QCon London 2026

Learn what works in AI, architecture, data, security & FinTech.

Early Bird ends Dec 9.

Learn how leading engineering teams run AI in production—reliably, securely, and at scale.

Launch pricing ends Dec 9.

InfoQ Homepage Interviews Nick Kallen Discusses Scala at Twitter

Nick Kallen Discusses Scala at Twitter

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18:09

Bio

Nick Kallen is a Systems Engineer at Twitter. He is the author of Arel, NamedScope, Cache Money, and Screw.Unit; and a co-creator FlockDb, Twitter's distributed graph database.

About the conference

QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.

Mar 02, 2011

Interview with

Nick Kallen

by

Randy Shoup

BT