Cause & Effect

By Effectful Technologies Inc.

Explore how software engineers use Effect to build reliable, production-ready software in TypeScript.... more

· Technology

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FAQs about Cause & Effect:

How many episodes does Cause & Effect have?

The podcast currently has 8 episodes available.

Cause & Effect episodes:

June 19, 2026Effectifying OpenCode #8
Get support from the Effect community
Kit Langton joins the podcast to talk about Effect, OpenCode, and what it takes to migrate a large TypeScript codebase to Effect. Enjoy a very Kit episode, technical, funny, opinionated, and full of love for effect systems.

Follow Kit:
- X
- YouTube
- GitHub

Mentioned in the video:
- effect.solutions
- effect.institute
- hex.kitlangton.com

Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #OpenCode #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(00:00) - Episode highlight: why effect systems matter
(00:43) - Meet Kit Langton
(03:49) - Effect Institute, Visual Effect, and interactive learning
(13:15) - Bringing Effect into OpenCode
(19:18) - Schema, branded IDs, and safer types
(27:35) - Effect services, layers, and architecture
(32:28) - Testing LLM workflows with Effect
(46:24) - Incremental adoption in a real TypeScript codebase
(50:44) - effect.solutions and agent-ready patterns
(01:00:36) - Layers, dependencies, observability, and telemetry
(01:16:58) - AI-first coding workflows
(01:34:35) - Using Effect v4 in OpenCode
(01:36:56) - What’s next for OpenCode
(01:42:33) - Closing thoughts
...more
1h 46min
December 16, 2025Reliable Payroll Systems in TypeScript with Effect #7
Get support from the Effect community
In this episode, Johannes Schickling talks with Adam Rankin, CTO at Warp, about using Effect to bring structure and composability to a growing TypeScript codebase, enabling a small, fast-moving team to stay productive while shipping reliable payment & payroll systems.
Jobs at Warp.
Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #Warp #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(00:00) - Intro
(01:45) - Adam’s background & early startup experience
(08:18) - Warp's origin story
(17:36) - What made Effect click for Warp
(29:24) - Getting started with Effect (AI browser agent)
(34:52) - Onboarding developers to Effect
(42:17) - Benefits of composability in payment systems
(43:53) - Warp’s system architecture
(56:48) - Closing thoughts
...more
1h
November 11, 2025Inside OpenRouter’s Tech Stack and Use of Effect #6
Get support from the Effect community
Louis Vichy, co-founder of OpenRouter, joins Johannes Schickling and Michael Arnaldi to talk about OpenRouter’s TypeScript stack, internal tooling powered by Effect, and the engineering challenges of scaling an AI platform processing trillions of tokens weekly.
Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #Spiko #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(00:00) - Guest Intro & OpenRouter
(07:45) - Why Everything Runs in TypeScript
(15:43) - Scaling & Routing in OpenRouter’s Infrastructure
(18:03) - Michael’s Story: Why Effect Was Born
(23:11) - Effect vs. Result Types and Error Handling
(26:04) - Culture, Hiring & Engineering Consistency
(30:48) - The Case for Gradual Effect Adoption
(32:30) - Generators, Pipe, and Functional Design
(47:41) - Observability & Concurrency
(58:35) - Agentic Systems, Orchestration & Observability
(01:16:41) - Using Effect in OpenRouter’s Internal Tooling
...more
1h 27min
September 15, 2025Event-Driven Systems in FinTech: How Spiko Leverages Effect #5
Get support from the Effect community
This podcast episode features Samuel Briole, CTO of Spiko, a Paris-based FinTech startup building infrastructure for issuing regulated financial products on public blockchains, specifically risk-free products.
Spiko utilizes the Effect extensively from day one, for both backend and frontend development, particularly for managing asynchronous operations, API integrations, and smart contracts.
Learn more about & follow Samuel:
LinkedIn
GitHub
effect-messaging

Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #Spiko #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(15:12) - Event-Driven Systems
(22:45) - Choosing RabbitMQ over Kafka or NATS
(28:26) - Why they built effect-messaging
(39:53) - Effect Schema, Versioning, Async Messaging
(46:44) - Agents & Effect AI
(53:21) - Closing Thoughts & Looking Ahead
...more
59min
August 04, 2025From Skeptic to Advocate: Scaling Effect at Vercel #4
In this episode of Cause & Effect, Johannes Schickling is joined by Dillon Mulroy, Domains Lead at Vercel, who shares his personal journey with Effect and how Vercel gradually adopted it across their Domains platform. Dillon explains why Effect feels like having superpowers for error handling, observability, testing, and more.
Whether you're skeptical or already experimenting with Effect, this conversation offers clarity, nuance, and inspiration. Enjoy!
Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #Vercel #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(00:00) - Intro
(03:00) - How Vercel Adopted Effect
(10:57) - Dillon’s background
(16:27) - Effect DX
(22:13) - Lessons from other stacks
(25:18) - From Skeptic to Advocate
(31:13) - Effect's Incremental Adoption
(42:31) - Effect ≠ RxJS, Effect vs Ramda
(48:24) - Effect's superpowers at Vercel
(52:31) - Wrap-Up & What’s Next
...more
54min
June 24, 2025Scaling Voice AI at MasterClass with Effect & TypeScript #3
In this episode of Cause & Effect, Johannes Schickling had a conversation with David Golightly, Staff Engineer at MasterClass, to explore how his team built Cortex – a real-time voice AI orchestration layer that powers personalized conversations with celebrity instructors like Gordon Ramsay and Mark Cuban.
Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #Zendesk #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(00:00) - Intro & David's background
(04:56) - Discovering Effect & early impressions
(08:32) - Why RxJS wasn’t enough for Cortex
(16:15) - MasterClass On Call
(19:10) - Building the orchestration layer
(25:30) - Incremental adoption of Effect at MasterClass
(31:43) - Text-to-speech component
(40:08) - Error handling, observability, open-telemetry
(01:01:20) - Looking ahead: Effect 4.0 & the future
(01:08:00) - Closing thoughts
...more
1h 10min
March 07, 2025Scaling AI for Customer Support at Markprompt with Effect #2
Join us as we talk with Michael Fester from Markprompt about scaling AI-powered customer support with Effect, building reliable and high-performance infrastructure, and enhancing developer productivity in a fast-evolving AI landscape.
Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #Zendesk #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(00:00) - - Welcome & guest introduction
(01:54) - - Michael's journey: from academia to AI & Customer Support
(03:49) - - What is Markprompt? Overview & use cases
(07:45) - - Markprompt's system architecture
(10:22) - - Challenges of running AI-powered support systems
(13:20) - - Improving reliability with Effect
(16:41) - - Technical architecture breakdown
(19:51) - - The public API server setup
(23:50) - - Ingestion engine
(26:29) - - Onboarding engineers to Effect
(30:51) - - Migrating the codebase to Effect
(35:19) - - Effect in production: the power of schema
(39:02) - - Migrating to Effect: challenges & key takeaways
(41:45) - - Effect brings out the best in us engineers
(45:34) - - The Future of AI infrastructure
(50:18) - - Closing remarks & thanks
...more
53min
November 26, 2024Adopting Effect at Zendesk with Attila Večerek #1
In this episode, Attila Večerek, Tech Lead & Staff Engineer, joins our host Johannes Schickling to discuss how Zendesk incrementally adopted Effect in a polyglot environment with a large codebase.
Effect is an ecosystem of tools to build production-grade software in TypeScript.
Website & docs
Community & support
Follow us on X (Twitter)
Github
#Effect #TypeScript #Zendesk #softwareDevelopment
Song: Dosi & Aisake - Cruising [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Cruising
Watch: http://ncs.lnk.to/CruisingAT/youtube
(00:00) - Intro
(03:13) - Being an engineer at Zendesk
(06:05) - Challenging the status quo
(13:10) - Introducing TypeScript at Zendesk
(20:22) - Adopting fp-ts
(25:19) - The transition from fp-ts to Effect
(31:00) - DX adopting Effect
(37:15) - Implementing a Kafka consumer with Effect
(42:18) - Dependency injection
(48:33) - The power of TypeScript & Effect
(53:03) - Onboarding developers to Effect at Zendesk
(01:15:37) - Excitement for Effect Cluster
(01:19:30) - Outro
...more
1h 21min

FAQs about Cause & Effect:

How many episodes does Cause & Effect have?

The podcast currently has 8 episodes available.