The AWS Developers Podcast

In this episode, Chris Betz, Chief Information Security Officer (CISO) at AWS, introduces the Trust Center, a new essential resource for understanding security and trust in the cloud. He explains how AWS helps businesses navigate the challenges of compliance, data protection, and security best practices. Betz also shares practical advice for developers, enabling them to seamlessly integrate security into their projects and leverage the available tools. He highlights the key role of Nitro technology in optimizing security and emphasizes the importance of visibility in maintaining customer trust. A must-listen episode for anyone concerned with cloud security.

With Chris Betz, Chief Information Security Officer, AWS

AWS Trust Center

Introducing the AWS Trust Center - The blog post

AWS Nitro architecture

AWS re:Inforce 2025

In this episode of the AWS Developers Podcast, we explore how Duolingo—the app with 100 million monthly active users—optimized its CI/CD infrastructure to handle builds for 300 pull requests every week. Sharanya Viswanath and Murtaza Javaid explain how their platform engineering team reduced build times from 50 minutes to just 16 minutes by migrating to Amazon EC2 Mac and implementing advanced autoscaling and caching strategies. We also discuss the importance of modularization, macOS and Xcode version management, and automation with Fastlane to make the process more robust and efficient. An interesting discussion on the technical challenges and solutions put in place to ensure resilience and stability for iOS builds at scale.

With Sharanya Viswanath, Senior Engineering Manager, Duolingo ; With Murtaza Javaid, Software Engineer, Duolingo

DuoLingo

Amazon EC2 Mac

Jenkins

XCRemoteCache

Bazel

Fastlane match, to manage your signing materials

AWS CodeBuild for macOS

Hosts Tiffany Souterre and Sebastien Stormacq sit down with Rajesh Pandey to explore the critical role of events in AWS Lambda. They dive deep into how events trigger Lambda functions and how AWS has built infrastructure to ensure high availability while optimizing costs for customers. Rajesh explains the various event sources supported by Lambda and discusses important considerations around streaming data, latency, and performance. The conversation covers essential topics for developers including message handling, at-least-once delivery guarantees, and the developer's responsibility in tracking and managing messages. The trio explores advanced features such as event filtering—a highly popular capability that has evolved rapidly—and batching configurations that can significantly impact application performance. They also discuss observability best practices essential for successful service integrations and recent innovations with Kafka that offer ultra-low latency options. Whether you're new to serverless or an experienced Lambda developer, this episode provides valuable insights into building resilient, cost-effective, and high-performing event-driven architectures on AWS.

With Rajesh Pandey, Principal Software Development Engineer, AWS Lambda

AWS Lambda Polling events

Firecracker, the open source micro VM

Amazon EventBridge Pipes

Using Lambda with self-managed Apache Kafka

In this episode of the AWS Developers Podcast, we welcome Greg Wilson, Director of AWS Documentation, SDK, and CLI. Together, we dive into the world of AWS documentation, its evolution, and the challenges it presents. Greg shares how his team is restructuring content to improve accessibility and make it easier for developers to find the information they need. He explains how customer feedback drives improvements and how AI is beginning to play a role in optimizing and generating documentation. We also discuss the new Decision Guides, designed to help users choose the right AWS services based on their specific needs. Finally, Greg gives us a glimpse into the priorities for 2025 and beyond, including enhancing the user experience and integrating personalized recommendations. A fascinating conversation for anyone who relies on AWS documentation in their daily work.

With Greg Wilson, Director Doc, SDK, and CLI, AWS

AWS documentation home page

AWS Documentation update — progress, challenges, and what’s next for 2025

AWS Decision Guides

Corey Quinn re:Caps re:Invent in the AWS Developers Podcast, episode 142

The Encyclopedia Britanica

Commodore 64 and Amazon Q Developers, Ricardo Suerias on the AWS Developer Podcast, epsiode 145

Amazon Q Developers to chat with the AWS documentation

Bedrock code samples

In this episode, I'm joined by Lakshmi Peri, Solutions Architect Specialist for in-memory services at AWS, to explore the landscape of in-memory database solutions available on AWS.

From the history of ElastiCache to the latest developments with Valkey and MemoryDB, this conversation covers everything developers need to know about leveraging in-memory technologies for their applications. Lakshmi explains the evolution from basic caching solutions to today's sophisticated in-memory databases that can handle complex data structures, vectors for AI applications, and geospatial information.

Whether you're starting a new application or optimizing an existing one, this episode provides valuable insights into choosing the right in-memory solution for your specific needs, with guidance on balancing performance, durability, and cost-effectiveness.

With Lakshmi Peri, Senior Specialist Solution Architect, AWS

ElastiCache

Memory DB

Valkey

bsport, a startup, provides a SaaS application to manage wellness studios like pilates, fitness, and yoga places. They also offer a white-label mobile application that customers can personalize and publish on the Google Play Store and App Store. Previously, provisioning macOS machines on-prem was time-consuming. Now, they automate the entire continuous integration chain in the cloud, regularly building over a thousand iOS apps on Amazon EC2 Mac. Listen to this episode to learn about bsport's continuous integration architecture, how they manage EC2 images, code signing, and more.

With Sofian Medbouhi, CTO and co-founder, bsport

bsport

A shell script to configure the macOS Keychain before bulding

React Native

Fastlane

AWS Image Builder for macOS

In this conversation, Justin, Ashish and Seb discuss the integration of AWS services such as Amazon EventBridge and AWS Step Functions with private APIs powered by AWS PrivateLink and Amazon VPC Lattice. They explore customer requirements for secure access to private resources, highlighting the collaborative efforts among AWS teams to address these needs and emphasizing the importance of establishing network foundations. They also delve into the future trends in application integration and networking, the transparent pricing structure for the new capabilities, and troubleshooting connectivity issues.

If you develop solutions using Amazon EventBridge or AWS Step Function, don't miss this episode.

With Justin Callison, Director, Application Integration, AWS ; With Ashish Kumar Pathak, Technical Product Manager, AWS

AWS On Air: New features of Amazon EventBridge/AWS Step Functions

AWS re:Invent 2024: Private API integration for Amazon EventBridge and AWS Step Functions

AWS re:Invent 2024: Simplify cross-VPC resource access with PrivateLink and VPC Lattice

Securely share AWS resources across VPC and account boundaries with PrivateLink, VPC Lattice, EventBridge, and Step Functions

Blog: Invoking Private API Gateway Endpoints From Step Functions

In this episode of the AWS Developers Podcast, we welcome Rahul Sharma and Kevin Shanley to discuss AWS Cognito, a service for user authentication and identity management in web and mobile applications.

The guests outline Cognito's updates: a new getting started experience, managed login features, and passwordless authentication options. They explain how these changes affect developers implementing authentication systems and discuss the technical aspects of passkeys implementation.

The conversation details Cognito's pricing structure, now organized in three tiers: light, essentials, and plus. The team explains what each tier includes and finish by sharing some perspectives on the future of identity services.

With Rahul Sharma, Principal Product manager, AWS ; With Kevin Shanley, Principal Solution Architect, AWS Identity

Amazon Cognito

Improve your app authentication workflow with new Amazon Cognito features

Announcing new feature tiers: Essentials and Plus for Amazon Cognito

In this episode, we explore the AWS SDK for Pandas, an open-source library that simplifies integration between Pandas and AWS services. We discuss the importance of Pandas in data processing, the challenges faced by users, and real-world use cases. We also highlight the community contributing to the library's improvement and the various ways it can be deployed. This conversation delves into the integration of the Pandas library with other tools, data distribution via Ray and Modin, and the use of the library with DynamoDB. We also discuss the benefits and responsibilities of an open-source project, the importance of automation in managing contributions, and lessons learned about scalability.

With Abdel Jaidi, Senior Application Architect, AWS Professional Services ; With Anton Kukushkin, Software Development Engineer, AWS Professional Services

The AWS SDK for Pandas

Ray clusters

Modin

In this episode, we talked with Keyur Diwan to dive deep into the concept of Blue-Green Deployment, particularly in the context of databases on AWS. We discuss the origins of this deployment strategy and how it has evolved to suit cloud environments. The conversation covers the benefits, challenges, and cost implications of implementing Blue-Green Deployment for stateful systems like databases, focusing on replication, schema changes, and the switchover process.

Tune in to learn how Blue-Green Deployment can help reduce downtime, enhance database performance, and simplify change management, as well as explore future trends that aim to make this deployment model more robust and user-friendly.

With Keyur Diwan, Principal Product Manager, AWS Relational Databases

Doc: Amazon RDS Blue/Green deployments overview

Amazon RDS Blue Green now allows performant storage switchover

Amazon RDS Blue Green now allows minor version update

Amazon RDS Blue Green now allows to shrink storage

Amazon RDS Blue Green now supports Postgres

The first podcast that talked about Amazon RDS Blue Green (03 March 2023)