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BEAM There, Done That

Plangora
Elixir
BEAM
Erlang
TV Labs
Rust
Ash Framework
Concurrency
Prolog
Sonic Pi
Durableserver
Crdts
Local First
Robert Virding
Axon
Python
OTP
Sonic Tau
Nifs
Rustler

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

PublishesWeeklyEpisodes11Founded3 months ago
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Technology

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Latest Episodes

Three and a half years, one book, and a clearer answer to what Phoenix is actually doing under the hood.

Phoenix makes building web apps in Elixir feel effortless, but how much of that is genuine elegance and how much is metaprogramming hiding the c... more

In this episode of BEAM There, Done That, hosts explore what really happens when the high-level concurrency and fault-tolerance of Elixir meet the low-level performance and control of Rust. The conversation dives into interoperability patterns—NIFs, ... more

In this episode of BEAM There, Done That, hosts Francesco Cesarini and Allen Wyma sit down with Chris McCord, the creator of the Phoenix Framework, for a deep dive into the evolving world of Elixir, distributed systems, and durable processes on the B... more

In this episode of BEAM There, Done That, co-hosts Francesco Cesarini and Allen Wyma sit down with Dave Lucia, co-founder and CTO of TV Labs, and Paulo Valente, AI specialist and maintainer of Nx. The conversation explores a novel and compelling use ... more

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Recent Guests

Chris McCord
Creator of Elixir's Phoenix Framework
Fly.io
Episode: Phoenix’s Next Evolution: Chris McCord Unveils the DurableServer
Dave Lucia
CTO and co-founder of TV Labs
TV Labs
Episode: Bridging Hardware-as-a-service with Elixir: Inside TV Labs’ Platform With Dave Lucia and Paulo Valente
Sam Aaron
Programmer and musician; creator of Sonic Pi and Sonic Tau
Independent researcher/artist in live coding and music tech
Episode: The Code is the Instrument: Sam Aaron on the Why of the Sonic Pi
Robert Virding
Co-inventor of Erlang, working for Erlang Solutions
Erlang Solutions
Episode: Redistributing Our Systems. Erlang's Enduring Lessons for Local-First
Kimutai Kiprotich
CTO at Nexus Scale, AI sales agent developer
Nexus Scale.ai
Episode: Building Real-Time AI Agents with Kimutai Kiprotich
Zach Daniel
Author of Ash Framework; VP of Engineering at Remedy Meds
Remedy Meds
Episode: The Ash Framework: Rationale, Design, and Adoption — with Zach Daniel
Jose Valim
Creator of Elixir, programmer, open-source developer
Elixir Core Team
Episode: Efficiency Gap: Why Elixir Outruns AI Coding Agents
Paulo Valente
Maintainer of NX and Elixir GRPC library; platform engineer at TV Labs
TV Labs
Episode: Numerical Elixir and Machine Learning with Paulo Valente

Host

Francesco Cesarini
Co-host with deep involvement in BEAM, Elixir, and Erlang communities; linked to practical production experience and ecosystem contributions.

Chart Rankings

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Apple Podcasts
#89
Poland/Technology

Talking Points

Recent interactions between the hosts and their guests.

Phoenix’s Next Evolution: Chris McCord Unveils the DurableServer
Q: What are the key criteria to decide when to use DurableServer versus a regular GenServer?
If you need global addressability or easy recovery from restarts without complex external state, DurableServer is a strong fit; otherwise, for node-local or ephemeral state, a regular GenServer remains the simpler choice.
Phoenix’s Next Evolution: Chris McCord Unveils the DurableServer
Q: Can you summarize what DurableServer is and what it isn't, for someone new to the idea?
DurableServer is a GenServer-like abstraction that adds durability, global addressability, and automatic rehydration while preserving the normal BEAM workflows; it is not about replacing GenServers entirely, but about offering optional, higher‑level capabilities when they fit a given use case.
Bridging Hardware-as-a-service with Elixir: Inside TV Labs’ Platform With Dave Lucia and Paulo Valente
Q: What are you most excited about for TV Labs in the near term?
They are focusing on expanding QA integrations, developer tooling, and AI/LLM-driven workflows, plus deeper cross-language interoperability and zero-copy data paths to improve efficiency.
Redistributing Our Systems. Erlang's Enduring Lessons for Local-First
Q: What are the trade-offs when using CRDTs for distributed data on devices?
CRDTs provide eventual consistency and offline operation but require careful UI and UX to communicate out-of-sync states and to manage the history and merge semantics, with trade-offs in complexity and storage.
Redistributing Our Systems. Erlang's Enduring Lessons for Local-First
Q: How does treating a user device as a long-running Erlang process shift data ownership responsibilities?
It shifts ownership to the device by keeping state local and isolated per process, enabling secure, on-device access control and reducing reliance on a central authority, while still allowing synchronization when needed.

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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 episodes consistently center on practical engineering with BEAM ecosystems, focusing on real-world challenges and scalable architectures. Topics include building autonomous AI agents on BEAM-enabled stacks, framework design and adoption in Elixir, machine learning and NX integration, and concurrency patterns across BEAM languages. Guests tend to be industry practitioners—CTOs, core framework authors, and engineers—sharing hands-on experiences, production caveats, and architectural trade-offs. The show differentiates itself with no hype, prioritizing concrete lessons, fault tolerance, supervision strategies, and deployment realities. This makes it valuable for developers, tech leads, and engineering managers seeking actionable insights i... more

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Which podcasts are similar to BEAM There, Done That?

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

1. Thinking Elixir Podcast
2. Elixir Wizards
3. The Pragmatic Engineer
4. The Changelog: Software Development, Open Source
5. Oxide and Friends

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

BEAM There, Done That launched 3 months ago and published 11 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. Chris McCord
2. Dave Lucia
3. Sam Aaron
4. Robert Virding
5. Kimutai Kiprotich
6. Zach Daniel
7. Jose Valim
8. Paulo Valente

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