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Software Daily: The world through the lens of software.

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#574
Jul 3, 2017 · 54 min
Culture Fit with Ammon Bartram
“Culture fit” is a term that is used to describe engineers that have the right personality for a given company. In the hiring process, “lack of culture fit” is used to turn away engineers who are good enough at coding but just don’t seem right for the company. As today’s guest Ammon Bartram says, “lack of culture fit” usually means “lack of enthusiasm for what a company does.” Ammon is the co-founder of Triplebyte, a company that is debugging the interviewing process. Triplebyte has interviewed thousands of engineers, and is discovering which aspects of the current hiring process make sense and which are based on superstition, or tradition. We had a great conversation about what culture really means, and how to hire effectively. Check out our new topic feeds, in iTunes or wherever you find your podcasts. We’ve sorted all 500 of our old episodes into categories like business, blockchain, cloud engineering, JavaScript, machine learning, and greatest hits. Whatever specific area of software you are curious about, we have a feed for you. Check the show notes for more details. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#573
Jun 30, 2017 · 52 min
Computer Logic with Chris Dixon
The history of computing can be thought of as a series of ideas rather than objects. From Aristotle’s formalization of the syllogism, to Alan Turing’s model for an all-purpose computing machine, to Satoshi Nakamoto’s distributed transaction ledger–these breakthroughs did not come in the form of polished, tangible objects. In fact, the objects which end up changing computing fundamentally are often built from ideas that seemed trivial at first glance. Chris Dixon is a general partner at venture capital firm Andreessen Horowitz and is the author of the article How Aristotle Created the Computer. One job of a venture capitalist is to be early in identifying the ideas that will evolve into influential, tangible objects. In this article, Chris examined several instances in the history of computing where ideas that looked weird and impractical at first glance ended up being world-changing. Recent examples we discussed are blockchains and neural networks. Chris recently wrote a great article about crypto tokens. Check out our new topic feeds, in iTunes or wherever you find your podcasts. We’ve sorted all 500 of our old episodes into categories like business, blockchain, cloud engineering, JavaScript, machine learning, and greatest hits. Whatever specific area of software you are curious about, we have a feed for you. Check the show notes for more details. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#572
Jun 29, 2017 · 59 min
Instacart Data Science with Jeremy Stanley
Instacart is a grocery delivery service. Customers log onto the website or mobile app and pick their groceries. Shoppers at the store get those groceries off the shelves. Drivers pick up the groceries and drive them to the customer. This is an infinitely complex set of logistics problems, paired with a rich data set given by the popularity of Instacart. Jeremy Stanley is the VP of data science for Instacart. In this episode, he explains how Instacart’s 4-sided marketplace business is constructed, and how the different data science teams break down problems like finding the fastest route to groceries within a store, finding the best path to delivering groceries from a store to a user, and personalizing recommendations so people can find new items to try. Are you looking for old episodes of Software Engineering Daily, but don’t know how to find the ones that are interesting to you? Check out our new topic feeds, in iTunes or wherever you find your podcasts. We’ve sorted all 500 of our old episodes into categories like business, blockchain, cloud engineering, JavaScript, machine learning, and greatest hits. Whatever specific area of software you are curious about, we have a feed for you. Check the show notes for more details. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#571
Jun 28, 2017 · 54 min
Linux Kernel Governance with Greg Kroah-Hartman
The code in the Linux kernel changes all the time–11k lines are added, 5.8k lines are removed, and 2k lines are modified DAILY. Linux is an open source operating system that has been worked on for 25 years, and one reason the project is able to move so fast is its governance and release structure. Greg Kroah-Hartman is a fellow at the Linux Foundation, where he takes part in many of the developments in the kernel. This episode was a dive into how open source software gets built at scale and what is in store for the future. The Kubernetes project has drawn comparable attention to the size of Linux, and the Kubernetes project is learning how to manage open source from the Linux community. Check out our new topic feeds, in iTunes or wherever you find your podcasts. We’ve sorted all 500 of our old episodes into categories like business, blockchain, cloud engineering, JavaScript, machine learning, and greatest hits. Whatever specific area of software you are curious about, we have a feed for you. Check the show notes for more details. Kernel Development Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#570
Jun 27, 2017 · 45 min
Istio Service Mesh with Varun Talwar and Louis Ryan
Modern software applications are often built out of loosely coupled microservices. These services can be written in different languages, by different people, but communication between services needs to be standardized. For this reason, a service proxy is useful. A service proxy is a sidecar container that sits next to a service and facilitates communications with other services. Once every service has a sidecar proxy, that sidecar can be used as a way to communicate with a centralized control plane. The sidecar can report telemetry data to the control plane, and the control plane can be used to set policies across services, such as rules for scaling and load balancing which might vary from service to service. Istio is an open platform to connect, manage, and secure microservices. Istio is a service mesh that uses Envoy service proxies. If all of this sounds confusing–don’t worry, we’ll explain it all in today’s interview with Varun Talwar and Louis Ryan, who work on Istio at Google. Check out our new topic feeds, in iTunes or wherever you find your podcasts. We’ve sorted all 500 of our old episodes into categories like business, blockchain, cloud engineering, JavaScript, machine learning, and greatest hits. Whatever specific area of software you are curious about, we have a feed for you. Check the show notes for more details. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#569
Jun 26, 2017 · 57 min
Service Mesh with William Morgan
Containers make it easier for engineers to deploy software. Orchestration systems like Kubernetes make it easier to manage and scale the different containers that contain services. The popular container infrastructure powered by Kubernetes is often called “cloud native.” On Software Engineering Daily, we have been exploring cloud native software to get a complete picture of the problems in the space, and the projects that are being worked on as solutions. One area of interest: how should services communicate with each other? What should be standardized? How can you make it easy to identify problems and avoid cascading failures? One solution is the service mesh, a tool that allows services to communicate with each other more safely and effectively. William Morgan was an engineer who helped scale Twitter in the early days when the company was dealing with lots of outages. He was on the show previously to discuss scaling Twitter, and in today’s episode we go into the company that he is running, Buoyant, where he works on building a service mesh called Linkerd. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Scaling Twitter What’s a Service Mesh and Why Do I Need One? Buoyant is hiring: email william@buoyant.io Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#568
Jun 23, 2017 · 58 min
Search Engine Land with Danny Sullivan
Search engines run our lives. The path we take to information is dictated by Google, Facebook, Amazon, and other forms of search. Search engines feel objective and truthful, but are built through ongoing experimentation and subjective decision making. That’s what has kept Danny Sullivan writing about search engines for twenty years. The content Google prioritizes, the ads that we see, the way that a product review changes how highly a search result appears on a search; these are the topics that Danny studies. He is the founder of Search Engine Land, an invaluable resource for news and updates about search engines and marketing. I’ve been reading Search Engine Land since college, so it was a treat to sit down for a conversation with him. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#567
Jun 22, 2017 · 53 min
Hackathons with Lizette Chapman
Professional hackathon programmers travel around the hackathon circuit, winning merchandise and small cash prizes. There are enough hackathons that some programmers actually do this as a full-time job. For example, Peter Ma, a programmer who describes himself as a “rapid prototype specialist.” Peter is a great programmer, and he has received lots of offers to work at big tech companies. What drives him to stay independent and work on hackathon projects? There are other types of corporate hackathons. Many of us are familiar with the hackathon where a manager orders pizza and suggests that everyone stays at the office late fixing bugs. Some hackathons are held for kids, to get them exposed to technologies early on. Lizette Chapman is a reporter at Bloomberg, where she writes about technology, business, and news. I was fascinated by her story about hackathons, and it was great to have her on the show to talk about the characters of the hackathon circuit, and why corporations sponsor hackathons. Lizette has co-hosted the Bloomberg Decrypted podcast in an episode about hackathons. Decrypted is one of my favorite podcasts and I recommend checking it out. These Hackathon Hustlers Make Their Living from Corporate Coding Contests Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#566
Jun 21, 2017 · 58 min
Episode 500 with Pranay Mohan and Erika Hokanson
Software Engineering Daily has been around for almost two years. In this episode Pranay Mohan and Erika Hokanson join me for a reflection on where we have been and where we are going. Pranay was the producer of Software Engineering Daily for the first year, after which he left and went to work at Snapchat. Erika joined the show 9 months ago to work on operations, ad sales, and expansion plans. The thesis of Software Engineering Daily has always been that serious, in-depth material about software provides value. Right now we are a podcast about software engineering. We are planning expansion into a larger media company with video, a mobile app, a desktop platform, more podcasts, and more journalism. Pranay, Erika, and I have crafted the vision for Software Engineering Daily. We want serious, inspiring, technical content to be more widespread. We know that you do too. If you have any suggestions you would like to see from us, you can always email me: jeff@softwareengineeringdaily.com. It’s already been 500 episodes and I am even more excited about Software Engineering Daily than I was when I began–looking forward to episode 1000. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#565
Jun 20, 2017 · 39 min
Software Architecture with Simon Brown
Software architecture address the challenge of communicating and navigating large, complex systems to stakeholders, both technical and non-technical. Over the years software architecture has gone in and out of fashion. Today we discuss why software architecture is important, what it means to have software architecture, and how to properly structure teams and incorporate architecture. Today’s show is guest hosted by David Curry. David sits down with Simon Brown to discuss the importance of having a common language for software systems. Simon is an independent consultant specializing in software architecture, he is the author of Software Architecture for Developers, and founder of Structurizr. If you are interested in hosting a show, check out softwareengineeringdaily.com/host Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#564
Jun 19, 2017 · 55 min
IoT Edge with Olivier Bloch
A self-driving car needs to be able to quickly respond to changes in driving conditions. A factory needs to be able to quickly respond to changes in workplace safety. For these kinds of applications, we need processing power closer to the user of the application. If we put all of our application logic in the cloud, we will have to make a network round trip for every request. Servers in the cloud are powerful, but so are the computers at the edge–smartphones, sensors, drones, cars, and on-prem servers. Edge computing is giving us more computation outside the data center. Olivier Bloch works on Microsoft Azure IoT Edge, a set of services for edge computing. Azure IoT Edge includes on-prem versions of Microsoft Azure technologies. Tools that were previously accessible only in the cloud can be deployed and hosted on premise. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#563
Jun 16, 2017 · 1 hr 8 min
Google Early Days with John Looney
John Looney spent more than 10 years at Google. He started with infrastructure, and was part of the team that migrated Google File System to Colossus, the successor to GFS. Imagine migrating every piece of data on Google from one distributed file system to another. In this episode, John sheds light on the engineering culture that has made Google so successful. He has very entertaining stories about clusterops and site-reliability engineering. Google’s success in engineering is due to extremely high standards, and a culture of intellectual honesty. With the volume of data and throughput that Google responds to, 1-in-a-million events are likely to occur. There isn’t room for sloppy practices. John now works at Intercom, where he is adjusting to the modern world of Google infrastructure for everyone. This conversation made me feel quite grateful to be an engineer in a time where everything is so much cheaper, so much easier, and so much more performant than it was in the days when Google first built everything from scratch. I had a great time talking to John, and hope he comes back on the show again in the future because it felt like we were just scratching the surface of his experience. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#562
Jun 15, 2017 · 34 min
Data Teams with Rya Sciban
A data-driven organization is more efficient because the company can learn what to focus on. In this episode, Edaena Salinas from The Women in Tech Show interviews Rya Sciban, Product Manager at Periscope Data, who explains the needs of data teams in an organization. We talked about what data analysis is and how this changes as the amount of data grows. Rya explained what analytics clusters are and effective ways of sharing data between the organization. Periscope Data has been successful in retaining women in product and development teams. We talked about effective strategies for this and for having more women in leadership positions. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#561
Jun 14, 2017 · 54 min
Distributed Deep Learning with Will Constable
Deep learning allows engineers to build models that can make decisions based on training data. These models improve over time using stochastic gradient descent. When a model gets big enough, the training must be broken up across multiple machines. Two strategies for doing this are “model parallelism” which divides the model across machines and “data parallelism” which divides the data across multiple copies of the model. Distributed deep learning brings together two advanced software engineering concepts: distributed systems and deep learning. In this episode, Will Constable, the head of distributed deep learning algorithms at Intel Nervana, joins the show to give us a refresher on deep learning and explain how to parallelize training a model. Full disclosure: Intel is a sponsor of Software Engineering Daily, and if you want to find out more about Intel Nervana including other interviews and job postings, go to softwareengineeringdaily.com/intel. Intel Nervana is looking for great engineers at all levels of the stack, and in this episode we’ll dive into some of the problems the Intel Nervana team is solving. Related episodes about machine learning can be found here. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#560
Jun 13, 2017 · 57 min
Event Driven Serverless with Sebastian Goasgoen
Modern architectures often consist of containers that run services. Those containers scale up and down depending on the demand for the services. These large software systems often use a technique known as event sourcing, where every change to the system is kept in an event log. When an event on the log is processed, several different data stores might be updated in response. In these architectures, containers are interacting with each other. Multiple databases are responding to events in the event log. To connect these systems together, engineers can write small functions to pass data around–you might call these small connecting functions “glue.” Glue functions are a great use for a serverless tool such as AWS Lambda or Google Cloud Functions. As these glue functions grow in popularity, there is an increased need for an open source way to deploy serverless functions. Sebastian Goasgoen works on Kubeless, a serverless execution tool built on top of Kubernetes. In this episode, we explore his take on the “serverless on Kubernetes” problem. This is a great companion episode to yesterday’s interview with Soam Vasani. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com
#559
Jun 12, 2017 · 57 min
Serverless on Kubernetes with Soam Vasani
Kubernetes is an orchestration system for managing containers. Since it was open sourced by Google, Kubernetes has created a wave of innovation in the infrastructure technology space. Another recent innovation has been the “serverless” execution tools–such as AWS Lambda and Google Cloud Functions. Serverless execution, otherwise known as functions-as-a-service, allows a developer to execute code against cloud servers without specifying which cloud servers they are executing on. Serverless execution is a cheap, flexible resource that any large company wants to have access to. But AWS Lambda and the other popular serverless tools are closed source. This led Soam Vasani to work on Fission, a serverless executor that sits on top of Kubernetes. If you have not heard about either Kubernetes or Serverless, you can check out our previous episodes about either topic. If you are familiar with the two topics, I think you’ll enjoy this episode, in which Soam explains the motivation for serverless on Kubernetes, and the architecture of Fission. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#558
Jun 9, 2017 · 1 hr 4 min
Microsoft History with Richard Campbell
Microsoft’s past is full of stories. It’s early period of corporate domination in the 1990s was followed by a period of government antitrust scrutiny, and a period of unsure product direction. Today, Microsoft’s focus on cloud has allowed the company to regain its footing with a clear trajectory for growth. Since 2002, Richard Campbell has chronicled the Microsoft developer community as co-host of .NET Rocks!, a podcast that was originally about the C# .NET framework. Richard also founded Humanitarian Toolbox, an open source set of tools for assisting disaster relief organizations. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#557
Jun 8, 2017 · 47 min
Container Engines with David Aronchick and Chen Goldberg
Kubernetes makes it easier for engineering teams to manage their distributed systems architecture. But it’s still not simple to deploy and operate a Kubernetes cluster. Google Container Engine (GKE) is a managed control plane for Kubernetes. Just as developers can use Google App Engine to easily deploy monolithic apps against a platform as a service, we can use Google Container Engine to deploy microservices against a platform as a service. David Aronchick and Chen Goldberg work on Google Container Engine, and they join the show to explain why platform as a service container engines are useful. Google is not the only cloud provider with a container engine–Amazon ECS and Azure Container Engine also allow you to run containers in a managed fashion. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#556
Jun 7, 2017 · 56 min
Skepticism Roundtable with Ammon Bartram and Kyle Polich
Engineers have plenty to be skeptical about. We look to data sets to give us something resembling objective truth. Some areas of research have so many variables that it is hard to isolate facts. Kyle Polich hosts the popular data science show Data Skeptic, where he examines problems and solutions around data, and he is one of the guests today in our round table discussion. There are some big unanswered questions in our world that might eventually be solved with enough data and the right scientific approach: nutrition, or drug discovery, or image classification. The hiring process is like this. How can you predict whether an engineer will make for a good hire? Ammon Bartram of Triplebyte is working on solving the hiring process for engineering organizations and he is the other guest for this roundtable episode. Software Engineering Daily is looking for sponsors for Q3. If your company has a product or service, or if you are hiring, Software Engineering Daily reaches 23,000 developers listening daily. Send me an email: jeff@softwareengineeringdaily.com Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.
#555
Jun 6, 2017 · 1 hr
DNS with Phil Stanhope
DNS stands for domain name system. This is the naming system that maps the entire internet. It associates information with domain names. More specifically, DNS specifies mappings between numerical IP addresses and domain names. Most engineers know these basic facts about DNS, but they may not know how much engineering a complex company like Etsy or Zappos puts into their DNS configuration. Dynamic DNS allows for intelligent response, so that a resource is served from the most efficient place–even in the face of a DDoS attack, or just routine failure of cloud servers. Phil Stanhope is the VP of technology at Oracle Dyn and he joins the show to explain how modern DNS works and the role of a DNS provider. Full disclosure: Dyn is a sponsor of Software Engineering Daily. Transcript provided by We Edit Podcasts. Software Engineering Daily listeners can go to weeditpodcasts.com/sed to get 20% off the first two months of audio editing and transcription services. Thanks to We Edit Podcasts for partnering with SE Daily. Please click here to view this show’s transcript.

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