Software Engineering Radio - the podcast for professional software developers

Edwin Brady speaks to Matthew Farwell about Type Driven Development and the Idris Programming language. The show covers: what a type is; static vs dynamic types in programming languages; dependent types; the Idris programming language; why Idris was created. Type safe printf modelling state in Idris modelling protocols in Idris modelling concurrency in Idris type driven development and how it chan...

Felienne talks with Michael Feathers about Legacy Code. When is something legacy? Is working on legacy different from working on greenfield code? Do developers need different skills and techniques? Testing legacy code. How to test a legacy system? When do we have enough tests to feel safe to start coding? Techniques to make legacy systems more testable.

Asaf Yigal talks with SE Radio's Edaena Salinas about machine learning in log analysis. The discussion starts with an overview of the structure of logs and what information they can contain. Asaf discusses what the log analysis process looks like without machine learning -- and the role of humans in this – before moving on to how the process is improved by incorporating external resources using ma...

Yakov Fain talks with SE Radio's Matthew Farwell about the Angular web development framework. The show covers the philosophy behind Angular; who would want to use the framework; how an Angular application is composed, including how to handle form submission and validation; why Typescript was chosen for Angular; how Angular uses reactive programming (RxJS, in particular); how to test an Angular app...

Phillipp Krenn talks with SE Radio's Jeff Meyerson about Elasticsearch, a scalable search index. The conversation begins with a discussion of search, how it compares to database queries, and what an inverted index is. Phillipp introduces Wikipedia as an example that runs throughout the episode because Wikipedia uses Elasticsearch to power its full-text search. A discussion of Elasticsearch's scala...

Morgan Wilde talks with SE Radio's Jeff Meyerson about the LLVM compiler toolchain. They begin with a discussion of how a compiler works and how compiled code executes against different processor architectures. Using the JVM as a model for interoperability, they move on to how LLVM is a system that optimizes an intermediate representation (IR), which is similar to the Java bytecode: every programm...

Docker Security Team lead Diogo Mónica talks with SE Radio's Kim Carter about Docker Security aspects. Simple Application Security, which hasn't changed much over the past 15 years, is still considered the most effective way to improve security around Docker containers and infrastructure. The discussion explores characteristics such as Immutability, the copy-on-write filesystem, as well as orchest...

James Turnbull joins Robert Blumen for a discussion of Terraform, an infrastructure-as-code tool, and a deep dive into how Terraform implements the declarative programming model.

Francois Raynaud and Kim Carter cover moving to DevSecOps from traditional delivery approaches. Shifting security focus up front. Building a development team with not only development specialties, but also security and operations.

Neal Ford chats with Kim Carter about the required skills of a Software Architect, creating and maintain them, transition roles. The importance of history, developing soft skills, and dealing with losing technical skills.

Show host Edaena Salinas talks with Katie Malone about Machine Learning.  Katie Malone is a Data Scientist in the Research and Development department at Civis Analytics. She is also an instructor of the Intro to Machine Learning online course from Udacity and host of Linear Digressions, a podcast about machine learning. Topics include: machine learning, data science, a career in machine learning.

James Cowling of Dropbox tells Robert Blumen about their massive migration from Amazon's S3 to their own distributed storage system.

John Allspaw CTO of Etsy speaks with Robert Blumen about systemic failures and outages. Why they cannot be totally prevented, how to respond, and what we can learn from them.

Felienne talks with Alexander Tarlinder on how to test as a developer. What can and should developers test?

Donny Nadolny of PagerDuty joins Robert Blumen to tell the story of debugging an issue that PagerDuty encountered when they set up a Zookeeper cluster that spanned across two geographically separated datacenters in different regions.

Edaena Salinas talks with James Whittaker about Career Strategy in the technology field. James is a Distinguished Technical Evangelist at Microsoft and author of "How Google Tests Software" and the viral blog post "Why I left Google". Topics include: Career Management, the role of mentors and managers in your career, a discussion on 1:1 meetings, job specialization and advice on when to switch job...

Host Marcus Blankenship talks with Gerald Weinberg about his new book, Errors: Bugs, Boo-boos, and Blunders, focusing on why programmers make errors, how teams can improve their software, and how management should think of and discuss errors.

Eberhard talks with Florian Gilcher about the programming language Rust. Rust originates from Mozilla research. Its focus is on system programming and it is often used to replace C or C++. Topics include the concepts behind Rust; concurrent and safe programming; advanced and unique features like ownership and borrowing; the rust type system (which supports other features like traits, generics and...

Felienne talks with Peter Hilton on how to name things. The discussion covers: why naming is much harder than we think, why naming matters in programming and program comprehension, how to create good names, and recognize bad names, and how to improve your naming skills.

Gil Tene joins Robert Blumen for a discussion of tail latency. What is latency? What is "tail latency"? Why are the upper percentiles of latency more relevant to humans? How is human interaction with an application influenced by tail latency? What are the economics of tail latency? What are the origins of tail latency within a system? What is the difference between response time and service time?...

Björn Rabenstein discusses the field of Site Reliability Engineering (SRE) with host Robert Blumen. The term SRE has recently emerged to mean Google's approach to DevOps. The publication of Google's book on SRE has brought many of their practices into more public discussion. The interview covers: what is distinct about SRE versus devops; the SRE focus on development of operational software to mini...

Marcus Blankenship talks with Josh Doody about salary negotiation. Topics include a framework for thinking about salary negotiations, how you can know what you're worth, the employers view of salary negotiation, and missed negotiation opportunities. Also discussed are common fears about negotiating and how to overcome them, common mistakes during negotiations, and how negotiation makes your more d...

Felienne talks with Sam Aaron on Sonic Pi about how he designed Sonic Pi, a language, both for professional musicians performing with code as well as for schoolchildren.

Sven Johann talks with Steve McConnell about Software Estimation. Topics include when and why businesses need estimates and when they don't need them; turning estimates into a plan and validating progress on the plan; why software estimates are always full of uncertainties, what these uncertainties are and how to deal with them. They continue with: estimation, planning and monitoring a Scrum proje...

Jeff Meyerson talks with Frances Perry about Apache Beam, a unified batch and stream processing model. Topics include a history of batch and stream processing, from MapReduce to the Lambda Architecture to the more recent Dataflow model, originally defined in a Google paper. Dataflow overcomes the problem of event time skew by using watermarks and other methods discussed between Jeff and Frances. A...