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Software Engineering Radio - The Podcast for Professional Software Developers

Software Engineering Radio - The Podcast for Professional Software Developers

Software Engineering Radio is a podcast targeted at the professional software developer. The goal is to be a lasting educational resource, not a newscast. Every 10 days, a new episode is published that covers all topics software engineering. Episodes are either tutorials on a specific topic, or an interview with a well-known character from the software engineering world. All SE Radio episodes are original content ? we do not record conferences or talks given in other venues. Each episode comprises two speakers to ensure a lively listening experience. SE Radio is an independent and non-commercial organization. All content is licensed under the Creative Commons 2.5 license.


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Episode 380: Margaret Burnett on Gender, Cognitive Styles and Usability Bugs

Margaret Burnett of Oregon State University spoke with SE Radio’s Felienne about GenderMag, a way to assess the inclusivity of software. This episode explores ‘inclusivity bugs’ — issues that might impede software’s usability — discussing the different cognitive styles people can have, and how to make sure that the software we create is usable for […]
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Episode 379: Claire Le Goues on Automated Program Repair

Claire Le Goues, Associate Professor at Carnegie Mellon University discusses her area of research: automated program repair – the ability of programs to fix bugs in other programs.   Host Felienne spoke with Le Goues about how these techniques work. The techniques include: applying ?sensible? edits (moving blocks of code, adding null checks automatically) and then […]
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Episode 378: Joshua Davies on Attacking and Securing PKI

Joshua Davies, author of Implementing SSL / TLS Using Cryptography and PKI discussed SSL/TLS, public-key infrastructure, certificate authorities, and vulnerabilities in the security infrastructure.  Robert Blumen spoke with Davies about the history of SSL/TLS; TLS 1.3; symmetric and asymmetric cryptography; the TLS handshake; the Diffie-Helman key exchange; the HTTPS protocol; verification of domain ownership; man-in-the-middle […]
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Episode 377: Heidi Howard on Distributed Consensus

Heidi Howard, a researcher in the field of distributed systems, discusses distributed consensus.  Heidi explains when we need it, when we don’t need and the algorithms we use to achieve it.  Adam Gordon Bell spoke with Heidi about the history of distributed consensus, paxos and variations on it, such as raft and flexible paxos, performance and […]
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Episode 376: Justin Richer On API Security with OAuth 2

Justin Richer, lead author of the OAuth2 In Action book and editor of OAuth extensions RFC 7591, 7592, and 7662, discusses the key technical features of the OAuth 2.0, the industry-standard protocol for authorization and what makes this the best choice for authorizing access to API resources. Host Gavin Henry spoke with Richer about browser […]
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Episode 375: Gabriel Gonzalez on Configuration

Gabriel Gonzalez, the creator of Dhall, the non-repetitive alternative to YAML on why configuration is important and how we can make it better. Adam Gordon Bell spoke Gonzalez about Dhall, yaml, total functional programming and dealing with configuration at scale.  Topics covered include problems dealing with configuration in a large organization, removing duplication from configuration, […]
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Episode 374: Marcus Blankenship on Motivating Programmers

Marcus Blankenship discusses programmer motivation (and de-motivation), which is key to job satisfaction, performance, and turnover.  Travis Kimmel spoke with Blankenship about why engineering motivation matters, the unique motivation needs of engineers, mentoring and coaching for motivation, 1:1s, and self-motivation.   Related Links Marcus Blankenship’s website Habits that Ruin Your Technical team Related SE-Radio Episodes […]
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Episode 373: Joel Spolsky on Startups: Growth, and Valuation

Joel Spolsky (?Joel on Software?), founder and CEO of Stack Overflow, discusses lessons of building successful software companies. Host Nate Black spoke with Joel about the venture funded ?land grab? situations vs. ?bootstrapping with profitability?. How do venture capitalists think and how can you make fundraising easier? What?s the strategy to keep as much ownership […]
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Episode 372: Aaron Patterson on the Ruby Runtime

Aaron Patterson of GitHub discusses the Ruby language and its runtime.  Host Jeremy Jung spoke with Aaron about the Ruby language and how it works.  They discuss the language virtual machine, concurrency, garbage collection, and JIT compilation.  If you?ve ever wondered what?s happening under the hood of a programming language, this is a great introduction. […]
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Episode 371: Howard Chu On the Lightning Memory-Mapped Database (LMDB)

Howard Chu, CTO of Symas Corp and chief architect of the OpenLDAP project, discusses the key technical features of the Lightning Memory-mapped Database (LMDB) that make it one of the fastest, most efficient, and safest embedded data stores in the world. Host Gavin Henry spoke with Chu about B+tree data structures, multi-version concurrency control, memory-mapped […]
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Episode 370: Chris Richardson on Microservice Patterns

Chris Richardson of and author of the book Microservices Patterns discuss microservices patterns which constitute a set of best practices and building-block solutions to problems inherent in building applications out of small coordinated services. Host Robert Blumen spoke with Richardson about the evolution of microservices, community adoption of best practices, patterns for inter-service communication […]
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Episode 369: Derek Collison on Messaging Systems and NATS

Derek Collison of Synadia discusses messaging systems and the open source project NATS. Host Jeremy Jung spoke with Collison about different messaging patterns such as request reply, publish subscribe, and queuing.  They discuss how introducing a messaging system can solve problems like routing, load balancing, and security to simplify ops. They also go into how […]
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Episode 368: Bryan Helmig on Managing Distributed Teams

Bryan Helmig, CTO and Co-Founder of Zapier, discusses managing distributed software teams. Marcus Blankenship spoke with Helmig about how to create a productive remote culture, collaboration patterns and tools, the challenges of time zones, special challenges that managers face, and the extra importance of clear communication on remote teams.   Related Links Zapier Guest twitter: […]
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Episode 367: Diomidis Spinellis on Debugging

Felienne talks to Diomidis Spinellis about debugging.  The discussion covers: defining ?debugging? which can mean using a debugger or the process of finding and removing bugs; how is it done best; variation across different programming languages or paradigms; debugging different types of applications; tools for debugging: print-statements, version-control systems, operating system tools. Assessing debugging skills […]
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366: Test Automation

Arnon Axelrod speaks with SE Radio?s Simon Crossley about test automation, a large complex subject that most listeners will have at least some familiarity with. Axelrod has worked in software engineering and test automation in several high-tech companies, including Microsoft and NCR Corporation, where he established a test automation infrastructure that was used by over […]
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365: Thorsten Ball on Building an Interpreter

Thorsten Ball, author of Writing an interpreter in Go as well as its sequel Writing a Compiler in Go. Adam Gordon Bell spoke with Ball about building an interpreter. Topics covered include the differences between an interpreter and a compiler, what languages are most commonly used for writing interpreters, the advantages and disadvantages of go, […]
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364: Peter Zaitsev on Choosing the Right Open Source Database

Peter Zaitsev of Percona discusses with host Nate Black how to choose the right open source database and why you may need multiple databases. Topics include: vendor lock-in and the role of cloud database services, the value of experience, judging what use cases databases are bad at, why there is no free lunch when it […]
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363: Jonathan Boccara on Understanding Legacy Code

Jonathan Boccara, author of The Legacy Code Programmer?s Toolbox discusses understanding and working with legacy code. Working with legacy code is a key skill of professional software development that is often neglected. Host Adam Gordon Bell spoke with Boccara about reading legacy code, developing the right attitude for approaching legacy code and several techniques for […]
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SE-Radio Episode 362: Simon Riggs on Advanced Features of PostgreSQL

Simon Riggs, founder and CTO of 2nd Quadrant, discusses the advanced features of the Postgres database, that allow developers to focus on applications whilst the database does the heavy lifting of handling large and diverse quantities of data. Host Simon Crossley spoke with Riggs about advanced SQL, indexes, extensibility and scale; using window functions to […]
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SE-Radio Episode 361: Daniel Berg on Istio Service Mesh

Daniel Berg, who is a distinguished Engineer at IBM cloud unit, talks about Istio service mesh and how it lets developers deploy services into the cloud in a secure, efficient fashion by removing the burden of devops from the core service logic. Host Nishant Suneja begins the show with discussion about the need for a […]
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SE-Radio Episode 360: Pete Koomen on A/B Testing

Pete Koomen, Co-founder and CTO at Optimizely discusses A/B testing. Edaena Salinas spoke with Pete about how A/B testing is used in software products, and how A/B tests can be written. Pete explained the components of A/B testing and lessons learned from running over 200,000 A/B tests. Related Links A/B testing (Wikipedia) A/B Testing: The […]
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SE-Radio Episode 359: Engineering Maturity with Jean-Denis Greze

Jean-Denis Greze of Plaid discusses Engineering Maturity and its importance in maintaining velocity while growing an engineering team grows.  Where engineering managers have not experienced rapid growth, related problems can grow out of hand. Host Nate Black spoke with Jean-Denis about his framework for understanding a team’s current maturity level; how to create a roadmap […]
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SE-Radio Episode 358: Probabilistic Data Structure for Big Data Problems

Andrii Gakhov, author of the book Probabilistic Data Structures and Algorithms for Big Data Applications talks about probabilistic data structures and their application to the big data domain. Host Robert Blumen spoke with Dr. Gakhov about how probabilistic data structures differ from their exact counterparts; hash functions – cryptographic and non-cryptographic; space versus accuracy tradeoffs; […]
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SE-Radio Episode 357: Adam Barr on Code Quality

Adam Barr, author of Why Smart Engineers Write Bad Code talks about code quality.  Felienne spoke with Barr about how developers learn to program on their own while they are in high-school; how that influences their thinking about code quality; what code quality is, how is can (or cannot) be measured and whether some programming […]
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SE-Radio Episode 356: Tim Coulter on Smart Contracts

Tim Coulter, the founder of Truffle (Ethereum DApp development framework) discusses the Truffle framework for Ethereum SmartContracts and Decentralized App development. Kishore Bhatia spoke with Tim Coulter about Ethereum Decentralized Apps (DApps) and Truffle as a DApp development, deployment and testing framework. The interview also covers Tim?s journey creating the Truffle framework with a deep-dive […]
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SE-Radio Episode 355: Randy Shoup Scaling Technology and Organization

WeWork?s VPE, Randy Shoup, discusses how to scale technology and organization together. Host Travis Kimmel spoke with Randy (formerly VPE at Stitch Fix and CTO at KIXEYE) about the culture, process, and technology changes necessary to scale an organization without experiencing attrition. They discuss how rapidly growing companies can leverage best practices from DevOps, how […]
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SE-Radio Episode 354: Avi Kivity on ScyllaDB

Avi Kivity of Scylladb deep dives into the internals of Scylladb and what makes it a high performant version of Cassandra, a distributed key-value datastore. Host Nishant Suneja spoke with Avi about how Scylla’s shared nothing architecture helps it in “scaling up” on every single node in the cluster. The discussion further goes into Scylla’s […]
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SE-Radio Episode 353: Max Neunhoffer on Multi-model databases and ArangoDB

Max Neunhoffer of ArangoDB discusses about multi-model databases in general, and open source ArangoDB, in specific, with show host Nishant Suneja. The discussion starts with comparing multi-model databases with polyglot persistence style modeling, and what are the advantages of one over the other. The discussion further delves into exploring the internals of ArangoDB, a multi […]
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SE-Radio Episode 352: Johnathan Nightingale on Scaling Engineering Management

Johnathan Nightingale talks with SE Radio host Travis Kimmel about scaling engineering management. Their conversation covers: how and when to hire engineering managers; how to onboard, train and plan for their growth; compensations reviews and promotions; advice for new managers, and what to expect at different management levels. Related links Johnathan and Melissa Nightingale?s and […]
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Episode 351 ? Bernd Rücker on Orchestrating Microservices with Workflow Management

Bernd Rücker, who has contributed to multiple open source workflow management projects, discusses orchestrating microservices with workflow management.  As distributed systems evolve into a family of microservices that must handle long-running stateful processes with time-dependent actions, events, multiple paths through the system, and complex rollbacks, the workflow management model provides a way to ensure clear […]
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SE-Radio Episode 350: Vivek Ravisankar on HackerRank

Vivek Ravisankar, the CEO and founder of HackerRank discusses automated coding skills assessments and the HackerRank platform. SE Radio host Kishore Bhatia spoke with him about: HackerRank as a platform for learning, practicing and assessing coding skills; how this platform is helping in skills assessments and coding interviews – both for developers and employers. The […]
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SE-Radio Episode 349: Gary Rennie on Phoenix

Gary Rennie, a core contributor to Phoenix and Plug, discusses the Phoenix, a web framework for the Elixir programming language. Host Nate Black talks with Gary about why companies use Phoenix and what they use it for, how to write a Phoenix application, how the subsystems of Phoenix work together, and how to troubleshoot performance […]
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SE-Radio Episode 348: Riccardo Terrell on Concurrency

Riccardo Terrell, author of Concurrency in .NET: Modern Patterns of Concurrent and Parallel Programming, discusses concurrency, an important topic in the era of multicores in any machine. SE Radio host Felienne spoke with Terrell about concurrency, parallelism, and immutability. They discussed the impact of programming languages and paradigms on concurrent programming and explored common issues […]
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SE-Radio Episode 347: Daniel Corbett on Load Balancing and HAProxy

Daniel Corbett of HAProxy discusses how load balancers such as HAProxy are used to improve application scalability, reliability, and security. Host Jeremy Jung spoke with Corbett to explain the concept of load and how a load balancer can distribute it across application servers; the open systems interconnection (OSI) model and how it relates to load […]
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SE-Radio Episode 346: Stephan Ewen on Streaming Architecture

Stephen Ewen, one of the original creator of Apache Flink discusses streaming architecture. Streaming architecture has become more important because it enables real-time computation on big data. Edaena Salinas spoke with Stephen Ewen about the comparison between batch processing and stream processing. Stephen explained the architecture components and the types of applications that can be […]
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SE-Radio Episode 345: Tyler McMullen on Content Delivery Networks (CDNs)

Tyler McMullen of Fastly discusses using Content Delivery Networks to improve application speed, reliability, and security. Host Jeremy Jung speaks with McMullen about what CDNs are and how developers can take advantage of them. They discuss how a CDN consists of thousands of edge servers in datacenters around the world; how these servers cache and […]
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SE-Radio Episode 344: Pat Helland on Web Scale

Pat Helland talks about building systems at web scale that are prepared to handle failure. Pat has been working on databases, transactions and distributed systems since 1978.  Host Edaena Salinas spoke with Helland about the components of a system including physical hardware and data centers; the role of humans in a production system;  automation by […]
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SE-Radio Episode 343: John Crain on Ethereum and Smart Contracts

John Crain, founder of Pixura, discusses some applications of the blockchain technology: Ethereum, smart contracts, solidity, and their application to rare collectible assets. Kishore Bhatia spoke with Crain about: a perspective on how blockchain, distributed computing and cryptographic proof of work have evolved towards a decentralized computing and execution model with Ethereum, drivers for this […]
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Episode 342 ? István Lam on Privacy by Design with GDPR

István Lam of Tresorit talks with host Kim Carter about GDPR (the EU General Data Protection Regulation, which has been described as ?the most important change in data privacy regulation in 20 years?). The discussion covers terminology, planning, implementation, users? access and their rights regarding their personal data, managing personally identifiable information (PII) across organizations, […]
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SE Radio Episode 341: Michael Hausenblas on Container Networking

Michael Hausenblas talks with host Kim Carter about topics covered in Michael?s ebook Container Networking, such as single vs. multi-host container networking, orchestration, Kubernetes, service discovery, and many more. Michael and Kim also discuss the roles that IPTables plays, how the allocation of IP addresses is handled, along with the assignment of ports. Overlay networks […]
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SE-Radio Episode 340: Lara Hogan and Deepa Subramaniam on Revitalizing a Cross-Functional Product Organization

Travis Kimmel talks with Lara Hogan and Deepa Subramaniam about evidence-based tactics that leaders can use to increase clarity and build healthier, high-performing organizations. Their conversation covers: diagnosing and treating problems that are slowing product, design, and engineering teams; ?organization smells?; clarifying roles and responsibilities; improving documentation; facilitating better meetings; improving inter and intra-team dynamics. […]
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SE-Radio Episode 339: Jafar Soltani on Continuous Delivery for Multiplayer Games

Jafar Soltani of Rare (Microsoft Studios) discusses Continuous Delivery in mobile games and how it can increase quality, reduce crunch, and deliver games faster. Host Nate Black speaks with guest Jafar Soltani about the unique challenges of AAA games and why these challenges have prevented game companies from implementing continuous delivery. Topics include: the architectural […]
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SE-Radio Episode 338: Brent Laster on the Jenkins 2 Build Server

Brent Laster, author of Jenkins 2: Up and Running talks about build pipelines, on Jenkins 2 a build server that can be used to implement continuous integration and deployment and is more devops-friendly that Jenkins 1. Host Robert Blumen talks to Brent about continuous integration and continuous delivery (CI/CD), the role of the build server […]
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SE-Radio Episode 337: Ben Sigelman on Distributed Tracing

Ben Sigelman CEO of LightStep and co-author of the OpenTracing standard discusses distributed tracing, a form of event-driven observability useful in debugging distributed systems, understanding latency outlyers, and delivering ?white box? analytics.  Host Robert Blumen spoke with Sigelman about the basics of tracing, why it is harder in a distributed system, the concept of tracing […]
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SE-Radio 336: Sa?a Juri? on Elixir

Sa?a Juri?, author of Elixir in Action, talks about the Elixir programming language, language gaining in popularity. Topics include: Host Nate Black talks with Juric about: Elixir?s relationship to the Erlang virtual machine (BEAM); the advantages of the Erlang ecosystem; the ?sweet spot? for Elixir programs; why a new language was needed for the Erlang […]
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SE-Radio Episode 335: Maria Gorlatova on Edge Computing

Edaena Salinas talks with Maria Gorlatova about Edge Computing. Topics include: the internet of things, edge computing, edge computing experiments and applications, the architecture of edge computing. Maria explained the process of data collection and the type of data that is collected in IoT systems. The discussion continued with a walkthrough example for running a […]
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SE-Radio Episode 334: David Calavera on Zero-downtime Migrations and Rollbacks with Kubernetes

Jeremy Jung talks with David Calavera about zero-downtime migrations and rollbacks with Kubernetes. In this episode we define migrations, rollbacks, and discuss how Netlify was able to migrate to Kubernetes and roll back off of it multiple times without impacting their users. David explains how developers can run old and new systems simultaneously, the importance […]
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SE-Radio Episode 333: Marian Petre and André van der Hoek on Software Design

Felienne interviews Marian Petre & André van der Hoek on their book Software Design Decoded: 66 Ways Experts Think. We talk about the software design process, which Petre & van der Hoek en discuss about in their book too. While there are a lot of books about software design, their books address designers rather than […]
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SE-Radio Episode 332: John Doran on Fixing a Broken Development Process

Jeremy Jung talks with John Doran about fixing a broken development process.  In this episode we discuss how a project that started as a desktop application transitioned to becoming a SAAS business that serves thousands of businesses.  John tells the story of a business that found commercial success but struggled with outages, a lack of […]
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SE-Radio Episode 331: Kevin Goldsmith on Architecture and Organizational Design

Travis Kimmel talks with Kevin Goldsmith about the correspondence between organizational design and software architecture. Their conversation covers: what Conway?s Law is; Kevin?s experiences in different organizational structures (e.g., Avvo, Spotify, Adobe, and Microsoft) and how those structures influenced the software architecture; what the ?Reverse Conway Maneuver? is and how organizations can leverage it; how […]
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En liten tjänst av I'm With Friends. Finns även på engelska.
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