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PODCAST

Developer Voices

Deep-dive discussions with the smartest developers we know, explaining what they"re working on, how they"re trying to move the industry forward, and what we can learn from them.You might find the solution to your next architectural headache, pick up a new programming language, or just hear some good war stories from the frontline of technology.Join your host Kris Jenkins as we try to figure out what tomorrow"s computing will look like the best way we know how - by listening directly to the

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All Episodes

62:48

If You Want Better Code, Do It For Me (with Jonathan...

Developer Voices ·

2024/02/14

A lot of programming is split into the mechanical work of writing what you know, and the creative work of figuring out what you don’t know. Wouldn’t it be nice to automate the mechanical stuff away?Well the good news is we’re already automating a lot of it. Every time you run a refactoring tool or a pretty-printer, you’re handing boring work off to the computer. But how does that magic work, and how can we do more of it?This week we’re joined by one of the authors of OpenRewrite—Jonathan

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80:12

Implementing Hardware-Friendly Databases (with DuckDB...

Developer Voices ·

2024/02/07

SQLite could do with a little competition, so when I invited the co-creator of DuckDB in to talk, I thought we'd be discussing the perils of trying to build a new in-process database engine. I quickly realised things went much deeper than just a tech refresh.Hannes Mühleisen joins me this week to blend his academic credentials as a database researcher with his vehement need to make that research practical. And so we dive into what modern database literature has to say on making queries faster, more

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83:07

Verse, Haskell & Core Language Design (with Simon...

Developer Voices ·

2024/01/31

This week we talk to Simon Peyton Jones, a veteran language designer and researcher, and key figure in the development of Haskell. Haskell. Simon has made countless contributions to advancement of functional programming, and computer programming in general, and is currently working at Epic Games, working on the foundations of their new programming language, Verse.We discuss how programming languages are made, focussing on a big design idea from both Haskell and Verse: building a large language from

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75:25

Shouldn't Data Connections Be Easier? (with Ashley...

Developer Voices ·

2024/01/24

Benthos wants to be part of your Data Engineering toolkit - it’s there as a quick and easy way to set up data pipelines and start streaming data out of A and into B. In contrast to a lot of the tools we’ve talked about on Developer Voices, Benthos seems focussed on cutting development time down to a minimum, so you can quickly configure a new pipeline and test it out, without making a whole sprint of the task. As quick as a quick-and-dirty shell script, without the dirt. 😉So this week we’re talking

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65:31

What can game programming teach us about databases?...

Developer Voices ·

2024/01/17

The world of game programming might seem a million miles away from 'regular' programming. But they still have to deal with the same kinds of data, scale and concurrency problems that we’re all familiar with in the software world. And that makes the gaming world an interesting place for new ideas - under the hood they’re solving those same problems we face, but often with some novel ideas about the solutions. So this week we’re off to the massive open world that is game development, to see what we

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60:04

Is Odin, "programming done right"? (with 'Ginger'...

Developer Voices ·

2024/01/10

Odin’s creator, Bill Hall, makes some bold claims about the language, including that it’s “programming done right”. Before that starts a war on the internet, we’d best ask him to explain what that means, and how Odin tries to achieve it. And while we get deep into the details, overall his answer seems to be, “By gathering masses of feedback and then refining C until it feels joyous again.Of all the C-like languages we’ve looked at on Developer Voices, Odin seems to be the most at-ease with its

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69:59

Can Event-Driven Architecture make Software Design...

Developer Voices ·

2024/01/03

This week’s guest describes Event Sourcing as, “all I’m going to use for the rest of my career.” But what is Event Sourcing? How should we think about it, and how does it encourage us to think about writing software?In this episode we take a close look at systems designed around the idea of Events, with guest Bobby Calderwood. Bobby’s been designing (and helping others design) event based architectures for many years, and enthusiastically recommends it not only as a system-design technique, but as a

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52:58

How Lisp is designing Nanotechnology (with Prof....

Developer Voices ·

2023/12/27

One of our oldest languages meets one of our newest sciences in this episode, as we talk with Professor Christian Schafmeister, an award-winning nanotech researcher who's been developing a language and a design suite to help research the future molecular machines.In this episode Christian gives us a quick chemistry lesson to explain what his research is trying to achieve, then we get into the software that's doing it: A new flavour of Common Lisp. But why Lisp? What advantages does a 60 year old

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61:48

Roc - A Functional Language looking for those...

Developer Voices ·

2023/12/20

Sometimes, what a programming language makes harder is just as important as what it makes easier. For a simple example, think of GOTO. We’ve been wisely avoiding it for decades because it makes confusing control flow desperately easy. Types and tests are other examples - they’re as much about specifying what shouldn’t work as what should. And perspective is what makes this week’s topic particularly interesting: Roc is a language that’s functional, fast, friendly, and extremely interested in making

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79:29

If Kafka has a UX problem, does UNIX have the answer?...

Developer Voices ·

2023/12/13

One of the recurring themes in the big data & data streaming worlds at the moment is developer experience. It seems like every major tool is trying to answer this question: how do we make large-scale data processing feel trivial?In some places the answer is any library you like as long as it’s Python. In other realms, a mixture of Java and SQL shows promise. But as this week’s guest—Luca Pette—would say, the Unix design metaphor has plenty to give and keep on giving.So in this episode of

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54:38

Will we be writing Hare in 2099? (with Drew DeVault)

Developer Voices ·

2023/12/06

This week we're back on systems programming with Hare. A C-like language for the ages. We talk to its creator, Drew DeVault, about what he thinks we can learn from the past 50 years of programming, and how we can build that hindsight into a new language that will last for the next 100.In among all that long-term ambition we talk cover everything from error handling, typed unions and linear types, to metaprogramming and Drew's microkernel operating system. It's called Ares, and it is, of course,

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51:30

Startups Should Solve Real People's Real Problems...

Developer Voices ·

2023/11/29

A few months ago, Michael Drogalis quit his job and decided launch 4 viable startup business ideas in 4 months, publically documenting every step of the journey. Over here at Developer Voices it seemed fun, inspired, and just crazy enough to work.We had him on the podcast a few months back just as that journey was beginning, and since he launched his first startup things have changed,. The reception has been better than he expected and the plan has been updated to go all-in on idea number one. But

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64:26

Is Flink the answer to the ETL problem? (with Robert...

Developer Voices ·

2023/11/22

Integration is probably the last, hardest, and least well thought-out part of any large software project. So anything that makes the data-streaming job easier is worth knowing about. So this week we turn our attention to Apache Flink, a flexible system for grabbing, transforming and shipping data between systems using Java, Python or good ol’ SQL. So this week Robert Metzger—Apache Flink expert and PMC member—joins us to explain what problems Flink solves and how it solves them reliably. We cover

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83:52

What's Zig got that C, Rust and Go don't have? (with...

Developer Voices ·

2023/11/15

Zig is a programming language that’s attempting to become “the new C” - the language of choice for low-level systems programming and embedded hardware. Going into that space not only puts it in competition with C and C++, but also other newcomers like Rust and Go. So what makes Zig special?Joining us to discuss it is Loris Cro from the Zig Foundation. We talk through Zig’s reasons to exist, its language design features, which parts of the C ecosystem it's tackling, and how the Zig Foundation is set

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49:27

Why did Redpanda rewrite Apache Kafka? (with...

Developer Voices ·

2023/11/08

Would you ever take on a rewrite of one of the largest and most popular Apache projects? And if so, what would you keep the same and what would you change?This week we’re talking to Christina Lin, who’s part of Redpanda, a company that’s rewriting parts of the Apache Kafka ecosystem in C++, with the aim of getting performance gains that aren’t feasible in Java. It seems like a huge mountain to climb, and a fascinating journey to be on, so let’s ask why and how they’ve taken on this

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62:38

Debezium - Capturing Data the Instant it Happens...

Developer Voices ·

2023/11/01

This week we’re looking at Debezium - an open source project that taps into a huge number of databases and lets you stream data to other systems in real time. It’s a huge project that covers a wide range of uses: Some people use it to replicate from Oracle to MySQL, others to do smart cache invalidation, and others to build a bridge from an existing relational database to the event-sourcing world. If you’re working on a system that has more than one kind of database, it may be an essential tool. But

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32:00

When We Talk About Software (with Francesco Tisiot)

Developer Voices ·

2023/10/25

Ever read a bad README? We all have, and most of the time, we’ve just moved right along. A programmer that can’t communicate their ideas will find no-one uses their software. And that’s true even outside of the open-source world. The best software doesn’t win - the best software _that people can understand_ wins. So how do we get better at communicating our code? What do we talk about when we talk about software?Joining to discuss that question is a data-streaming expert and skilled communicator,

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62:00

Semantic Search: A Deep Dive Into Vector Databases...

Developer Voices ·

2023/10/18

As interesting and useful as LLMs (Large Language Models) are proving, they have a severe limitation: they only know about the information they were trained on. If you train it on a snapshot of the internet from 2023, it’ll think it’s 2023 forever. So what do you do if you want to teach it some new information, but don’t want to burn a million AWS credits to get there?In exploring that answer, we dive deep into the world of semantic search, augmented LLMs, and exactly how vector databases bridge

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61:15

The Future of Data is Now is the Future of Data (with...

Developer Voices ·

2023/10/11

Real-time data is gradually becoming a standard requirement in systems design. Our customers are beginning to demand it, our colleagues in other departments are starting to expect it. Whether you’re letting people book a taxi, recommending their next binge-watch, or delivering business reports to management, faster data is just obviously better. Or is it?Does real-time data matter everywhere, or does it just have sweet spots in some sectors and some use-cases? Is it a cost-benefit question - is the

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66:40

Databases, Ambitions, and a Testing Silver Bullet?...

Developer Voices ·

2023/10/04

How far would you go to get the kind of database you want? How deep into the stack would you dive to re-architect a system for the kind of performance, reliability and scale you believe in? Today's guest has decided to go all in, as he’s tackling the database problem from the fsync up. In this week’s Developer Voices we talk to Joran Dirk Greef, whose ambitions—combined with the lacklustre performance of his project's payment system—have led him to build a new database called TigerBeetle, that

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