blog/twie_2025_10_31 (#1236)

Co-authored-by: Mirela Prifti <[email protected]>

Author: DadeSko

content/src/content/docs/blog/this-week-in-effect/2025/10/31.mdx

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+---
+pagefind: false
+title: This Week in Effect - 2025-10-31
+excerpt: Livestream with Teej DV & Kit Langton. Effect, the Good Parts, by Dillon Mulroy & Swyx. Effect + Next.js & Panel Discussion from Effect Milan Meetup. Effect Office Hours 6.
+date: 2025-10-31
+authors:
+  - davide_scognamiglio
+  - mirela_prifti
+  - michael_arnaldi
+tags:
+  - This Week In Effect
+---
+
+import { YouTube } from "@astro-community/astro-embed-youtube"
+import Tweet from "astro-tweet"
+import TwitchPlayerNonInteractive from "@/components/TwitchPlayerNonInteractive.astro"
+
+Hi Effecters!
+
+Welcome back to This Week In Effect (**TWIE**) - your weekly update of the latest developments in the Effect community and ecosystem.
+
+Effect is a powerful TypeScript library that helps developers create complex, synchronous, and asynchronous programs. One key feature that sets Effect apart is how it leverages structured concurrency to provide features such as async cancellation and safe resource management, making it easier to build robust, scalable, and efficient programs.
+
+To get started, below you’ll find links to our documentation as well as our guide for installing Effect. Enjoy!
+
+- [Effect Documentation](/docs/getting-started/introduction/)
+- [Installing Effect](/docs/getting-started/installation/)
+
+
+**Recent major updates:**
+
+- [Effect 3.18](https://effect.website/blog/releases/effect/318) Release.
+- [Effect AI SDK](https://github.com/Effect-TS/effect/releases/tag/%40effect%2Fai%400.27.0) Release.
+- Durable workflows in TypeScript with [`@effect/workflow`](https://github.com/Effect-TS/effect/blob/main/packages/workflow/README.md) - currently in alpha.
+- The [Effect community](https://discord.gg/effect-ts) on Discord reached 5510+ members!
+
+ 
+## Technology
+
+[Effect LSP 0.49](https://github.com/Effect-TS/language-service) has been released and includes the Layer Outline Graph!
+   <Tweet id="1983505287618199576" />
+
+Here are all the technical changes from the past week.
+
+### Effect Core
+- [Remove some leftover gen adapters](https://github.com/Effect-TS/effect/pull/5653) (Refactor)
+- [Fix Graph.neighbors for undirected graphs](https://github.com/Effect-TS/effect/pull/5669) (Bug Fix)
+- [Add jsonSchema2020-12 target and fix tuple output](https://github.com/Effect-TS/effect/pull/5671) (Bug Fix)
+- [Backport graph module changes](https://github.com/Effect-TS/effect/pull/5660) (Feature, next-minor)
+
+### Effect CLI
+- [Remove some leftover gen adapters](https://github.com/Effect-TS/effect/pull/5653) (Refactor)
+
+### Effect Platform
+- [README.md for HttpApiEndpoint: clarify header schema usage and add note on header normalization](https://github.com/Effect-TS/effect/pull/5668) (Documentation Update)
+
+### Effect SQL
+- [Support config.url in MysqlMigrator](https://github.com/Effect-TS/effect/pull/5632) (Improvement)
+
+&nbsp;
+
+## Community Highlights
+
+- Last week's [teej dv](https://x.com/teej_dv)'s stream with [Kit Langton](https://x.com/kitlangton) is now on YouTube.
+  <YouTube
+  id="https://www.youtube.com/embed/NR_gJipShK8?si=lp0P-YfjdIFVTUDp"
+  title="This library changed my life, it had such a big Effect on me"
+  />
+
+- teej dv also live-streamed some [Effect coding with Dillon Mulroy](https://x.com/teej_dv/status/1982812807352418652).
+
+&nbsp;
+
+- **Effect: the Good Parts, `use workflow`, and Vercel Domains** - a very interesting conversation between Dillon Mulroy and Swyx.
+  <YouTube
+  id="https://www.youtube.com/embed/VR_MQH3opc8?si=cE7-fWHr4ISMboeP"
+  title="Effect: the Good Parts, use workflow, and Vercel Domains — Dillon Mulroy"
+  />
+
+&nbsp;
+
+- Vercel shipped the Vercel Domains MCP in 1 day using the Effect MCP!
+   <Tweet id="1983330738952179751" />
+
+&nbsp;
+
+- Dillon Mulroy livestreamed his new series [**Building a family recipe app with LiveStore, Effect, and CF Workers**](https://www.twitch.tv/videos/2605152345?filter=archives&sort=time).
+
+&nbsp;
+
+- [Effect UI](https://github.com/stefvw93/effect-ui) - a reactive DOM rendering library built on Effect that enables declarative UI with streams and automatic updates. Project by [Stef van Wijchen](https://stefvanwijchen.com/claude-code-weekend-effect-ui/).
+
+&nbsp;
+
+- [effect-json](https://github.com/PaulJPhilp/effect-env) – a type-safe, schema-driven JSON serialization for TypeScript and Effect. Project by [Paul Philp](https://github.com/PaulJPhilp).
+
+&nbsp;
+
+- [Effect Query](https://github.com/voidhashcom/effect-query) - an integration of Effect with Tanstack Query, fully type-safe and compatible with Effect RPC and Effect HttpApi, by [Dominik Vít](https://github.com/KingDoxik) has been released.
+
+&nbsp;
+
+- Appreciation post by Tanner Scadden from Vitalize Care - currently looking for a [full-stack engineer with Effect experience](https://jobs.ashbyhq.com/vitalize/d907ba5f-0f2f-4bb4-931a-1680d6daf81a).
+  <Tweet id="1982462041882542265" />
+
+&nbsp;
+
+- Results from Johannes Schickling's poll about Effect.
+<Tweet id="1982905084897046565" />
+
+&nbsp;
+
+- An extract from Sebastian Lorenz's talk at the TypeScript Munich Meetup.
+   <Tweet id="1982127744579260903" />
+
+&nbsp;
+
+- A reminder that the Effect NYC Meetup is happening on Nov 19. Be sure to register for the event and subscribe to [Effect Community Events](https://luma.com/effect-community?k=c) calendar to stay on track with upcoming events.
+   <Tweet id="1982797450613055565" />
+
+
+&nbsp;
+## Effect Content Update
+
+ - The sixth episode of **Effect Office Hours** went live on Wednesday! We will publish an edited version on our YouTube channel soon. In the meantime, you can watch the livestream on X(Twitter) below.
+   <Tweet id="1983610096824590787" />
+
+&nbsp;
+
+- The second talk and the Panel discussion from the Effect Milan Meetup 2025 are now on YouTube.
+  <YouTube
+  id="https://www.youtube.com/embed/GX5enIbwWzM?si=OGNHIGU40_-oBw6A"
+  title="Effect + Next.js: Managed Runtimes, Middleware, DX Improvements | Mattia Crovero | Effect Milan 2025"
+  />
+
+ <YouTube
+  id="https://www.youtube.com/embed/9HXfsZOFmIY?si=5feXsalg56oXK-VI"
+  title="Effect Adoption, AI, and What’s Next | Effect Milan 2025 Panel"
+  />
+
+&nbsp;
+
+**🔥 Office Hours 5: Layers, Dependency Injection, Accessors, and Scopes in Effect** is now on our YouTube Channel.
+
+<YouTube
+  id="https://www.youtube.com/embed/P_DdDIByzTM?si=4ZxyqKxiZXFNPPx2"
+  title="🔥 Office Hours 5: Layers, Dependency Injection, Accessors, and Scopes in Effect"
+/>
+
+
+&nbsp;
+
+## Cause & Effect Podcast
+
+Don't forget to listen to our **Cause & Effect** podcast hosted by Johannes Schickling and available on [YouTube](https://www.youtube.com/@effect-ts), [X(Twitter)](https://x.com/EffectTS_/status/1967543931031126523), and audio platforms like [Spotify](https://open.spotify.com/episode/5vhRg2zUt7UxP7ABof8XQ0) and [Apple Podcast](https://podcasts.apple.com/us/podcast/event-driven-systems-in-fintech-how-spiko-leverages/id1781879869?i=1000726884416).
+
+This podcast highlights stories from software engineers and companies using Effect in production. Each episode explores their journey of adopting Effect, including the learning process, challenges faced, and the benefits of integrating Effect into their tech stack.
+
+We've published our fifth episode with Samuel Briole, CTO of [Spiko](https://www.spiko.io/), a Paris-based FinTech startup building infrastructure for issuing regulated financial products on public blockchains, specifically risk-free products. 
+
+Spiko utilizes Effect extensively from day one, for both backend and frontend development, particularly for managing asynchronous operations, API integrations, and smart contracts.
+
+<YouTube
+  id="https://www.youtube.com/embed/lFOHVZnJLew?si=LjNt7r29zM0j8T1s"
+  title="Event-Driven Systems in FinTech: How Spiko Leverages Effect | Samuel Briole | Cause & Effect #5"
+/>
+
+&nbsp;
+## Effect Job Opportunities
+
+More and more companies are adopting Effect in their projects. Here’s a list of companies looking for software engineers with Effect experience:
+
+- **Expand.ai**: [Founding Engineer](https://www.expand.ai/careers/founding-engineer)
+
+- **Platonic Systems**: [Remote Effect Engineers](https://twitter.com/platonicsystems/status/1861470819861311945)
+
+- **Inato**: [Product Engineers / Fullstack Engineers](https://jobs.lever.co/inato/6df2d1e3-ce0a-487b-a930-840759803d44)
+
+- **Medbill.ai**: [Founding Software Engineers (full-stack and backend)](https://www.linkedin.com/posts/codingtom_medbill-ai-activity-7260092522708762624-N7TH)
+
+- **Oneiro Solutions**: Software Engineer - Core Team. [Join Effect Discord](https://discord.com/channels/795981131316985866/796153351372275743) and DM *leighman* for further info.
+
+- **Microsub**: [TS Developer](https://x.com/0xdownshift/status/1880013835878154510)
+
+- **Samsung Food**: [Full Stack Developer](https://whisk.bamboohr.com/careers/110)
+
+- **Margins**: [Product Engineer](https://margins.app/jobs/product-engineer)
+
+- **[Precurion](https://precurion.com/)** looking for a remote‑first Founding Engineer with Effect experience – See the job posting in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1362610725931061258).
+
+- **Vitalize Care** is hiring a full-stack engineer with Effect experience: [Full-Stack Engineer](https://jobs.ashbyhq.com/vitalize/d907ba5f-0f2f-4bb4-931a-1680d6daf81a)
+
+- **Embedded Insurance** is hiring for a [Senior Software Engineering](https://embeddedinsurance.bamboohr.com/careers/23) position.
+
+- **Betalyra**, an AI consulting company from Portugal, is looking for a part-time freelance software engineer (TypeScript/Effect) with AI experience – see the job posting in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1362610725931061258).
+
+- **Software Intelligence Works**: [Senior Full-Stack Engineer](https://remotive.com/remote-jobs/software-dev/senior-full-stack-engineer-2011648)
+
+- **14.ai**: [Founding engineer](https://14.ai/careers)
+
+- **Wander** is hiring [Software Developers](https://ship.wander.com) with experience in Effect.
+
+- **Glide**: [Senior Frontend Product Engineer](https://www.glideapps.com/jobs/frontend-product-engineer)
+
+- **Supermemory**: [Founding Backend / Infrastructure Engineer](https://x.com/i/jobs/1928194391946186862)
+
+- **Ressio**: [Senior full stack Engineer](https://crocus-hardhat-6f7.notion.site/Senior-full-stack-engineer-back-end-leaning-28ce06d15219800eb2bcca558d9f0446)
+
+- **Stealth team** looking for a software engineer with Effect experience – see the job posting in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1362610725931061258).
+
+- **A French-speaking** startup team led by Stephan Le Dorze is looking for a freelancer to join them - [see his LinkedIn post](https://www.linkedin.com/posts/stephaneledorze_recherche-senior-typescript-developer-activity-7384894173604265984-btNb) for more details.
+
+- **Freckle.io** is hiring [Platform Engineers](https://x.com/code_typist/status/1930326662677434561) with experience in Effect.
+
+- **A stealth team** that has already scaled their product to 50K daily active users in the last year, is looking for [Effect Developers](https://x.com/wireless_dev/status/1930314012723687739). DM [wireless](https://x.com/wireless_dev) on X for more info.
+
+- Job opening for [Japanese-speaking developers](https://note.com/luma/n/n679d4dcdb363)
+
+- **VST**: [Senior Full Stack Software Engineer](https://www.linkedin.com/jobs/view/3854111540/)
+
+- **Globe Commerce**: [Founding Product Engineer](https://www.linkedin.com/jobs/view/4264203054)
+
+- **Introw**: [Staff Software Engineer](https://join.com/companies/introw/14395111-staff-software-engineer)
+
+- **Gale**: [SWE Intern - Remote (CAN/US)](https://forms.galevisa.com/r/m6gr7e)
+
+- **Heartbeat**: [Senior Software Engineer](https://jobs.heartbeat.chat/35182) 
+
+- **Superwall**: [Full-stack Mobile Developer](https://x.com/jakemor/status/1972770955500876070)
+
+- **spring.new**, Anthropic's flagship customer, is hiring engineers experienced in Effect. See the job posting in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1405134163287343196).
+
+- **ManageSpace** is looking for a Senior Developer to mentor other developers and migrate to Effect – see the job posting in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1389557459949060098).
+
+- **coteach.ai** is looking for a Software Engineer – see the job posting in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1394724166309253290) and DM *Peter Edmonds* for further info.
+
+- **Small SaaS team** is looking for a part-time Effect Developer to implement Effect in their stack. The job posting is available in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1397684638834491412), DM *jonpage* for further info.
+
+- **PhosPhor** is [hiring engineers](https://phosphor.co/) experienced in Effect. You may also reach out to the Phosphor team on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1418407399139578067).
+
+- **Warp** is hiring a [Product Engineer](https://www.joinwarp.com/careers/roles?ashby_jid=655962db-5fbe-40cc-a072-9522295b3cbc)
+
+- **Sellhub** is looking for a Backend Engineer. See the job posting in the `#job-board` channel on [our Discord](https://discord.com/channels/795981131316985866/796153351372275743/1423684096428736652).
+
+_Disclaimer: Please note that these job postings are shared for informational purposes, and we encourage applicants to verify details directly with the hiring companies._
+
+
+&nbsp;
+## Effect Merch Store
+
+The [Effect Merch Store](https://effect.website/merch) offers a selection of Effect-branded items designed for the community. All orders are processed and fully managed through [Printful](https://www.printful.com/).
+
+<Tweet id="1868605126862385238" />
+
+
+&nbsp;
+## Closing Notes
+
+That's all for this week. Thank you for being a vital part of our community. Your feedback is highly valued as we fine-tune this format. Feel free to share your thoughts, and we'll do our best to tailor it to the needs of our community.
+
+_Effect Community Team_