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Artwork for BEAM There, Done That

BEAM There, Done That

Plangora
Elixir
BEAM
Erlang
Whatsapp
Local First
TV Labs
Rust
Bandit
Hologram
JIT
Ash Framework
Phoenix
Native Records
Zig
Ericsson
Concurrency
Prolog
Sonic Pi
Durableserver
Multi-Core

BEAM There, Done That is a podcast about building real systems with Elixir, Erlang, and the BEAM. We’ve built it before — distributed systems, fault‑tolerant services, event pipelines, real‑time apps, production nightmares, and the supervision trees that saved them. Each episode dives into practical lessons from shipping software on the BEAM: architecture decisions, scaling challenges, operational... more

PublishesWeeklyEpisodes28Founded7 months ago
Number of ListenersCategory
Technology

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Artwork for BEAM There, Done That

Latest Episodes

What if the BEAM had a language that felt like talking to a friend instead of fighting a compiler?

That's the problem Louis Pilfold set out to solve. He loved the BEAM. He missed static types. Every other option was a tradeoff he couldn't live with.... more

Part one established that Erlang scales. Part two is about what comes after - keeping a codebase that large healthy for years, when most engineers arrive having never written Erlang before.

WhatsApp's answer was to invest in the language itself. The... more

Everyone quotes WhatsApp when the topic of Erlang and scale comes up. Fewer people know what it actually looks like from the inside - what was hard, what was never hard, and what the team spent their time on once the concurrency stopped being the pro... more

In 1952, Marvin Minsky and Claude Shannon built a box with a single switch. When you flip it, the only thing it does is reach out and switch itself back off. Seventy years later, 5,000 of those boxes are sitting on desks worldwide — and the thing mak... more

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Recent Guests

Roberto Aloi
Developer Experience at WhatsApp and Meta
WhatsApp/Meta
Episode: Inside WhatsApp with Roberto Aloi & Michał Muskała
Michał Muskała
Developer Experience at WhatsApp and Erlang expert
WhatsApp/Meta
Episode: Inside WhatsApp with Roberto Aloi & Michał Muskała
Davide Bettio
Creator of AtomVM and contributor to Erlang/BEAM on microcontrollers
AtomVM
Episode: Erlang on a Microcontroller: Davide Bettio & Paul Guyot on AtomVM
Paul Guyot
Author of Erlang Behind La Machine and contributor to La Machine
La Machine project
Episode: Erlang on a Microcontroller: Davide Bettio & Paul Guyot on AtomVM
Matt Trudel
Author of Bandit and Thousand Island; engineer in the AI and animation group at PagerDuty
PagerDuty
Episode: Mat Trudel on Building Bandit - the Web Server Running Your Phoenix App
Maxim Kharchenko
Erlang runtime developer; creator of Erlang on Xen and Ling VM
Independent researcher/engineer (Ling/LingX/OpenFlow work)
Episode: Erlang Without an OS: Maxim Kharchenko on Building LING
Mike Williams
One of the creators of Erlang, helped write large parts of the emulator for the Jam
Ericsson
Episode: Mike Williams & Björn Gustavsson on Building the JAM
Bart Blast
Creator of Hologram
Hologram project
Episode: Elixir in the Browser: Bart Blast on Hologram
Garrison Hinson-Hasty
Author of Systems Programming with Zig
University of Chicago (as referenced) / Zig author
Episode: Zig Meets the BEAM: Garrison Hinson-Hasty & Isaac Yonemoto on Safer Native Code

Hosts

Francesco Cesarini
Host of BEAM There Done That
Alan Wyman
Host of BEAM There, Done That

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#96
Ukraine/Technology
Apple Podcasts
#166
Japan/Technology
Apple Podcasts
#194
Poland/Technology
Apple Podcasts
#221
South Africa/Technology

Talking Points

Recent interactions between the hosts and their guests.

Inside WhatsApp with Roberto Aloi & Michał Muskała
Q: Tell our listeners who you are and what you do at WhatsApp.
Roberto explains his focus on developer experience and Erlang tooling at WhatsApp and Meta, working to improve productivity and the BEAM ecosystem.
Mat Trudel on Building Bandit - the Web Server Running Your Phoenix App
Q: What is Bandit and where does it fit in the ecosystem with Phoenix and Plug?
Bandit serves Plug requests for HTTP and provides a bridge between the wire protocol and Plug representations, with Thousand Island handling the lower-level socket and concurrency, letting Bandit focus on the HTTP layer.
Erlang Without an OS: Maxim Kharchenko on Building LING
Q: What design choices are you most proud of in Ling?
The dynamic instruction code system that tailors the VM's instruction set to the workload, and the memory management approach that guarantees all out-of-memory conditions are handled explicitly, avoiding silent failures.
Erlang Without an OS: Maxim Kharchenko on Building LING
Q: Why did you choose to run Erlang on Xen and implement Ling without an OS?
It was driven by a desire to understand Erlang at a fundamental level, to minimize layers, and to achieve very low latency by bypassing traditional OS networking stacks, not primarily for commercial product goals.
Static Types Finally Come to the BEAM | Annette Bieniusa & Guillaume Duboc
Q: Has there ever been a bug that you've introduced to a production system that no type system would have caught?
The guests explain that type systems catch a particular class of bugs, but not all, such as non-termination, and that typing helps avoid many runtime failures while acknowledging cases where dynamic behavior or architectural decisions determine outcomes.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
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Frequently Asked Questions About BEAM There, Done That

What is BEAM There, Done That about and what kind of topics does it cover?

The show centers on building real, scalable systems on BEAM (Elixir and Erlang) with a strong emphasis on practical, battle-tested lessons. Episodes frequently cover architecture decisions, fault tolerance, concurrency patterns, and real-world production challenges, often featuring engineers who contribute to BEAM ecosystems or lead major projects (frameworks, runtimes, tooling, and platform-scale deployments). A standout theme is the balance between leveraging the BEAM's reliability and embracing modern needs like AI, security, and multi-region deployments, all through candid conversations, concrete anecdotes, and actionable guidance for engineers and managers alike. The lineup tends toward deeply technical discussions with guests who are ... more

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These podcasts share a similar audience with BEAM There, Done That:

1. Elixir Wizards
2. The Pragmatic Engineer
3. Startups For the Rest of Us
4. REWORK
5. Syntax - Tasty Web Development Treats

How many episodes of BEAM There, Done That are there?

BEAM There, Done That launched 7 months ago and published 28 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on BEAM There, Done That?

Recent guests on BEAM There, Done That include:

1. Roberto Aloi
2. Michał Muskała
3. Davide Bettio
4. Paul Guyot
5. Matt Trudel
6. Maxim Kharchenko
7. Mike Williams
8. Bart Blast

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