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Hello Gophers, Welcome back for another year of Go talks and networking! Would your company like to host our meetup? Let us know! If you'd like to give a talk - submit your proposals here: http://goo.gl/forms/54YvJT223F All talk formats work: short talks (5-10 min) as well as regular length (25 min). If you have more ideas - talk to us at the Gophers slack: https://invite.slack.gobridge.org/ in the #berlin channel, and follow us on twitter: https://twitter.com/gdgberlingo **Speakers**: *Simon Schulte* is a Tech Lead with nearly a decade of experience building scalable backend systems across fast-paced product companies. With a background in business informatics and a passion for Golang, cloud infrastructure, and DevOps, he has spent his career solving complex engineering challenges. He is particularly excited about leveraging AI and LLM workflows to eliminate the tedious, repetitive work that slows developers down — think tech debt, boilerplate, and documentation — so engineers can spend their energy on what actually moves the needle. For Simon, AI isn't about replacing developers; it's about giving them back their time. *Daniel Peralta Madriz* is a backend engineer from Costa Rica with around 6 years of experience working with Golang, although, sadly, he's been spending most of his time lately working with Node.js :(. He is interested in distributed systems, scalability, and developer experience, and is currently experimenting with how to leverage LLMs to safely and autonomously execute repetitive tasks. *Michael Morgen* is a Platform/infra engineer by day, runtime and network optimizations by night. Join in person at: **Talon.One** Talon.One is the incentives engine behind 300 of the world’s most-loved brands, unifying loyalty and promotions on a single flexible platform. Their customers run millions of real-time incentive decisions across markets, channels, and use [cases.As](http://cases.as/) incentives become more strategic than ever, they are continuing to raise the bar for what businesses can build and how fast they can build it Wiener Str. 10, 10999 Berlin https://maps.app.goo.gl/8eMjgWes1E4TBA3c7 or virtually at: https://www.youtube.com/live/qh__TQ1bMF0?is=hw21pk0ZE3HGyaaT *** Agenda 10:49 PM: Networking Networking over drinks and food 7:30 PM: Welcome Welcome words from the organizers 7:35 PM: Talk 1: Go-ing Against the Chaos: Deterministic LLM Workflows / Daniel Peralta Madriz (Backend developer) & Simon Schulte (Techlead of Webhooks and Notifications) @ Talon.One LLMs are powerful, but “it works most of the time” isn’t good enough for production. In this talk, we’ll walk through how to design deterministic workflows around non-deterministic models using Go. From structured iteration loops to validation steps and guardrails, you’ll learn how to move beyond prompting and start engineering reliable LLM-powered systems 8:10 PM: Announcements and break Announcements, HR lost & found, open mic 8:30 PM: Talk 2: About Go Memory Allocator / Michael Morgen, Platform/infra engineer @ Mirantis A short talk about how Go gives memory to your program. We will look at the main allocator parts, why small allocations are usually fast, when Go asks the OS for more memory, and a couple of simple examples where this knowledge helps performance. 9:05 PM: Networking Networking over drinks and food *** Hosted By Natalie Pistunovich, Organizer Ole Bulbuk, Organizer Tim Scheuermann, Organizer Anderson Queiroz, Organizer Complete your event RSVP here: https://gdg.community.dev/events/details/google-gdg-berlin-golang-presents-hybrid-may-golang-meetup-1/.

Hallo, Willkommen zur Handarbeits- und Gesprächsgruppe! Wir treffen uns von 14 bis 16 Uhr in der Psychosozialen Initiative Moabit. Bei Kaffee/Tee und Kuchen sitzen wir in entspannter Runde zusammen und arbeiten an Strick-/Häkel- oder anderen Handarbeitsprojekten oder ähnlichem und kommen so auch gerne ins Gespräch. Alle sind herzlich willkommen (auch ohne Strickerfahrung!!). Wir haben vor Ort auch ein paar Stricksachen und Wolle, die alle mitbenutzen können :) Hello, Welcome to the crochet/knitting group at Psychosoziale Initiative Moabit! We meet up every Wednesday from 2 to 4pm and all work on our creative projects. Throughout the crafting you have the space to talk and expand your community in Berlin. Everyone is welcome (even if you've never done crocheting/knitting before!!). We also have some knitting needles and yarn for you to use :)

**We’ll now be meeting twice a week at Denizen House (Köpenicker Str. 40, 10179 Berlin), on** **Mondays and Wednesdays!** * **Mondays:** **levels A1 to B2** * **Wednesdays:** **levels A2 to C1** **We work with dedicated materials tailored to each level, so everyone will have a place to practice and improve.** **Event schedule** * **18:00 – 18:30** **Arrival and registration** * **18:30 – 19:50** **Sprachcafé** * **19:50 – 20:00** **End and clean up** **Please be aware that the moderated event starts at** **18:30. Before this time, we are busy setting up the space. Registrations usually take place around** **18:15 / 18:20. Participants are kindly asked** **not to arrive too far in advance** **at the house.** **If someone arrives much earlier, Denizen may ask them to pay either for a drink (consumption) or for a** **day pass, as the space is a co-working environment during the day.** **Please remember, our event is only happening from 18:00 to 20:00** **How the Sprachcafé works** **We use different materials to help participants gain confidence in German. Together with whiteboards and our volunteers, the Sprachcafé is based on** **interactive conversations** **in small groups.** **Participation fee** **The Sprachcafé has a** **participation fee of 5 €, which helps cover organizational costs and** **includes one soft drink for free.** **Tickets can be purchased directly on the day of the event, card and cash payments are accepted.** **As the Sprachcafé has become very popular, we now need to** **limit the number of participants. Please understand this measure; it ensures that everyone has a comfortable space to practice.** **We kindly ask you to be** **rücksichtsvoll** **and only RSVP “Yes” if you are certain you can attend.** **If your plans change at the last minute, please update your RSVP so someone on the waiting list can take your spot.** **Getting your ticket early can help secure your place.** **Please note** **Our event will begin** **promptly** **at the scheduled start time.** **If you arrive late, we cannot guarantee your participation, even if you have a ticket or have RSVP’d. We encourage all guests to arrive on time to ensure a smooth and enjoyable experience for everyone. Thank you for your understanding and cooperation.** **About Denizen** **Denizen is a new-style co-working space focused on being an integral part of local communities. Located on the ground floor of the historic Eiswerk on Köpenicker Straße in Kreuzberg, Denizen House is a communal place providing work, refreshment, and recreational facilities throughout the day. Think of it as a living room for the neighborhood.** **If you have any questions, don’t hesitate to let me know. If you’d like to contribute to this night, send me a message!** **Ich freue mich schon!** **Grüße,** **Nacho**

**WICHTIG: Die Anmeldung über Meet-up allein ist nicht ausreichend. Bitte zahle spätestens 1 Tag vor der Veranstaltung im Kultur- und Freizeitbüro des Goethe-Instituts (Neue Schönhauser Straße 20, 10178 Berlin, 2. Hinterhof) in bar, um deine Anmeldung abzuschließen. Wir können leider keine anderen Zahlungsmethoden annehmen.** **Die Kosten von 5€ sind nur für die Führung, das Eintrittsticket für den Museumsbesuch muss eigenständig erworben werden.** Das Bode-Museum ist für seine beeindruckende Skulpturensammlung und seine byzantinischen Kunstwerke bekannt. Hinzu kommt das Münzkabinett mit seinen 500.000 Objekten. Eine Kunsthistorikerin führt uns durch das Museum und lässt die Geschichten hinter den Exponaten lebendig werden. Perfekt für alle, die Geschichte nicht nur lesen, sondern erleben wollen!

**Queer Meditation Group // Queere Meditationsgruppe** *Our meditation course is led by a team of several teachers, please check our page to find out the name of the facilitator for this session.* for **LGBTQIA+** **[Book a Ticket](https://wearevillage.org/en/shop/meditation/w20-2026)** **Member: 5 €** **Regular: 8 €** 🔵 The **Queer Meditation Group** provides **LGBTQIA+** individuals, with a safe space to engage in an exploratory approach to meditation through gentle body tuning, breath awareness and conscious sitting practice. Each of the facilitators will bring their experiences in Mindfulness, Zen, Vipassana and other forms of meditation. The body-mind and the senses are explored as doorways into meditation. The purpose of this exploration is to become more conscious of your Self at many levels. Beginning wherever we are, this approach to meditation has an open goal of harmonizing with the present moment. The focus is on slowing down, unwinding tension and relaxing the nervous system. **General Information:** * Previous meditation experience is not necessary. * This event will be in German and/or English depending on participant needs. * The Queer Meditation Group is leaded by a rotating group of four facilitators. * This event can be attended as one of two free monthly events, which are included in the **[we are village Mitgliedschaft](https://wearevillage.org/en/produkt-kategorie/memberships-en-2/)**. 🔵 Die **Queere Meditationsgruppe** bietet einen sicheren und inklusiven Raum für **LGBTQIA+** Personen, um sich durch sanfte Körperabstimmung, Atemachtsamkeit und bewusste Sitzpraxis auf einen erkundenden Ansatz zur Meditation einzulassen. Jeder der Leiter\* bringt Erfahrungen mit Achtsamkeit, Zen, Vipassana und anderen Formen der Meditation mit ein. Vorherige Meditationserfahrung ist nicht erforderlich. Der Körper-Geist und die Sinne werden als Eingangstor zur Meditation erforscht. Das Ziel dieser Erkundung ist es, sich seines Selbst auf vielen Ebenen bewusster zu werden. Ausgehend von dem Ort, an dem wir uns gerade befinden, hat dieser Meditationsansatz das offene Ziel, mit dem gegenwärtigen Moment in Einklang zu kommen und sich zu verlangsamen, Spannungen abzubauen und das Nervensystem zu entspannen. **Hinweise:** * Vorherige Meditationserfahrung ist nicht erforderlich. * Je nach Bedürfnissen der Gruppe werden wir Deutsch und/oder Englisch sprechen. * Die Queer-Meditationsgruppe wird von einer wechselnden Gruppe von vier Moderatoren geleitet. * Diese Veranstaltung kann als eine der zwei kostenfreien monatlichen Veranstaltungen besucht werden, die Bestandteil der **[we are village Mitgliedschaft](https://wearevillage.org/produkt-kategorie/mitgliedschaften/)** sind.

In einer kleinen, gemütlichen Gruppe treffen wir uns regelmäßig, um den Tag mit positiver Energie zu beginnen - für mehr Vitalität und Lebensfreude. Mit Energieübungen, EdxTM nach Dr. Gallo - eine Meridianklopftechnik mit postiven Affirmationen, Atem- & Energieübungen ... und einem netten Gespräch bei Tee und Kaffee. Das Treffen ist kostenlos - Spenden sind willkommen! Wer möchte kann anschließend noch eine Access Bars Session zum Morning Special bekommen: https://www.i-feel-so-good.de/access-consciousness/access-consciousness-einzelsessions/access-bars-sessions.html Anmeldung bitte zeitnah telefonisch oder per whatsapp - die Plätze sind begrenzt

Du möchtest dein Deutsch in entspannter Atmosphäre üben und neue Leute kennenlernen? Dann komm zu unserem regelmäßigen Sprachcafé ans Goethe-Institut Berlin! In unserem sonnigen Hinterhof sind alle herzlich willkommen – ganz besonders internationale Teilnehmende, die spielerisch und ohne Druck ihre Deutschkenntnisse verbessern möchten. In lockeren Gesprächsrunden tauschen wir uns aus, lachen zusammen und knüpfen neue Kontakte. Für eine gemütliche Stimmung sorgen Kaffee, Tee und Kekse – du musst nur dich selbst mitbringen. Die Veranstaltung ist kostenfrei! Wir freuen uns auf dich! 🌍

Welcome to our cosy Godot Engine Community Meetup A Maze Edition! This is not a structured meeting, but rather a friendly get-together. We will hang out, chat and maybe show some of our current projects! 🦜 This is an open event and we will hang out at c-base afterwards, so it is fine to come late. Regardless if you are an artist, designer, programmer, beginner, hobbyist, professional or anything in between: join us for sharing knowledge, creating art together, coding together, joining game jams together and having fun! 🌼 This meetup will happen at [c-base](https://c-base.org), Rungestraße 20, 10179 Berlin. 🛰️ You can also join us on [our Discord Server](https://discord.gg/Sm3CgrqqQa). ☎️ Follow us on [Mastodon](https://mastodon.gamedev.place/@GodotUserGroupBerlin) for updates. 📢 Also check out [our website](https://godot.berlin). 🌐 Please be [excellent to each other](https://godotengine.org/code-of-conduct/)! 🕊️

After a lovely first Poetry in the Park gathering in Bürgerpark Pankow, we’re bringing the idea into a second round — this time with a photographic twist. Join us for a spring afternoon around Schloss Charlottenburg where photography and poetry meet. Bring a poem you love — or one you wrote — and we’ll begin by reading a few poems together. Then we’ll set out for a gentle 30 minute photo walk through the park, capturing details that catch our attention: blossoms, reflections, statues, hidden corners, fleeting scenes. Using the images we gather as inspiration, we’ll meet again on picnic blankets to write short poems from guided prompts and share them in an informal circle. No photography skills needed. No poetry experience required. Just curiosity, observation, and a bit of spring magic. Bring: * A poem to share (optional) * A journal + pen * Your phone or camera * A picnic blanket Duration: approx. 2 hours. This meetup is donation based. Your contribution helps keep this community alive and is highly appreciated. You can either contribute in cash or via Buy me a Coffee: [https://buymeacoffee.com/butterflyradar](https://buymeacoffee.com/butterflyradar) Questions? Check our Meetup-FAQs: [https://socialbutterfly.berlin/meetup-faq/](https://socialbutterfly.berlin/meetup-faq/) Meet your host I’m Julia — a Berlin local who loves bringing people together. My path went from growing up in a dance school to studying philosophy to working in IT support, and somehow all of that led me here: hosting meetups and creating spaces where people can show up, relax, and connect. Insta [https://www.instagram.com/juwaberlin/](https://www.instagram.com/juwaberlin/) LinkedIn [https://www.linkedin.com/in/julia-waehnert/](https://www.linkedin.com/in/julia-waehnert/) About The Social Butterfly Club 🦋 is a Berlin-based community that has been bringing people together for over three years. Each gathering is part of a larger framework designed to help friendships grow through shared experiences in the city — with a long-term vision of turning Berlin itself into a shared, playful experience. Love the vibe? There’s a whole community waiting for you. 🦋 Join the Social Butterfly Club and experience Berlin together: [https://socialbutterflyradar.substack.com/](https://socialbutterflyradar.substack.com/)

Join this Professional Communication session — to sharpen the skills for architectural pitches, elevator pitches, interviews. This time we meet in the Monbijou park. 💡 How it works The event is split into two parts: 1. **Communication (10 minute rounds)** – One participant answers a round of design and behavioral questions. Each other participant gets to ask him one question. 2. **Feedback Round** – The group provides feedback on communication, structure, and clarity. Constructive criticism is encouraged. 💡You will be asked: * **Light design problems** (high-level reasoning, not code) * **Behavioral questions** (“Tell me about yourself”, “Describe a challenge you faced...”) No need to prepare anything in advance — just bring curiosity and an open mind. 💡Note: location is the entrance to Monbijou park

**📢 Wichtiges Update für unser Sprachcafé in Manifesto ab Donnerstag!** 📢 Nun dürfen wir die Veranstaltung in dem ansonsten gesperrten Bereich im Obergeschoss abhalten – dort ist es viel ruhiger. ​Damit das klappt, gibt es **eine einzige Bedingung, um an den Event teilnehmen zu können:** **Bitte kauft euch** **eine Kleinigkeit (Getränk oder Snack) bei der Soot Bar (unten bei den WCs).** Das ist unser „Eintritt“ für den exklusiven Platz oben. Danke fürs Mitmachen! 😊

**Upcycling Workshop with Palettes ♻️** **Build. Transform. Reimagine.** 📍 Berlin \| May 14\, 2026 Let’s transform waste—together. Hosted by **OK Labs (Onaranlar Kulübü)** in collaboration with Engelnest. Join us for a collaborative, hands-on upcycling workshop where discarded pallets are turned into functional furniture and ideas become real, physical designs. This is more than just a workshop. It’s a collective act of making, thinking, and creating together. *** **What to expect** * Design and build furniture from pallets * Work collaboratively in small teams * Learn by doing — hands-on, experimental process * Be part of a creative, open-minded community *** **Who can join?** Makers, designers, and curious minds. No experience needed — just bring your motivation to build and collaborate. If you enjoy working with your hands, thinking creatively, and being part of a team, you’ll fit right in. *** **Workshop Program** This one-day co-creation workshop brings together makers, designers, and curious minds to explore ideas, experiment with materials, and turn concepts into tangible outcomes through a hands-on, collaborative process. 10:00 – 10:15 Welcome & Introductions 10:15 – 10:30 Concept Framing & Workshop Brief 10:30 – 10:45 Space & Material Walkthrough, Team Formation 10:45 – 12:30 Design Sprint – Phase 1 (Ideation, concept development, and production planning) 12:30 – 13:30 Break 13:30 – 15:30 Design Sprint – Phase 2 (Concept refinement and start of prototyping) 15:30 – 17:15 Build & Production Phase (Fabrication and final iterations) 17:15 – 17:45 Showcase & Presentations (Project presentations and outcomes) 17:45 – 18:00 Reflection & Closing *** 🗣 **Language:** English 📍 **Location:** Engelnest Coworking Space, Berlin 🗓 **Date:** May 14 — Design & Production Workshop ✨ **Limited spots available** \*\*\* The workshop is free of charge and includes catering; if you have any specific dietary requirements, please kindly share them with the organizing team in advance. \*\*\* If you have any questions, feel free to drop us a line at ufuk@oklabs.co

Join us for an upcoming in-person Lean Coffee meetup. Lean Coffee is a lightly-structured meeting format where the attendees create the agenda. Bring your management challenges; whether you're managing people, products, processes or beyond, and solve them together with peers from a diverse set of backgrounds. This event is great for anybody trying to create better ways of working and wants to share with + learn from others trying to do the same.

Our monthly PHP meetup. A virtual shindig courtesy of Zoom. Check back here for the details around 6:15 pm

Columbus Code & Coffee is an inclusive, informal co-working session. People of all skill levels attend, and we love it that way. Many people (optionally) bring projects to work on, and many other people (optionally) socialize the entire time. It's entirely up to you! **What to Expect at the Intro Circle** \~\~\~\~\~\~\~\~\~\~\~\~\~ Near the beginning of the event (1:30 pm), we do a standup: * Organizer announcements, updates, and logistics Round 1 - (7 secs max): * Your name * What you're working on * What you can help others with Round 2: * Community events you wanna plug. If none, that's cool too. Round 3: * Job opportunities you're hiring for OR announce that you are looking for one. If none, that's cool. After the introduction circle, everything is self-organized! Feel free to work alone, pair up, attend one of our workshops/presentations, or mingle!

**Improving Office in Franklinton** Physical location: Improving Office 330 Rush Alley Suite #150 Columbus, OH 43215 Schedule: 6:00 p.m.: Socialize, eat, and drink. Improving will be providing pizza and beverages. 6:30 to 8:00 pm. Main meeting and presentation(s). Topic: This month John Lairson will share a notebook describing the Alpaca (Paper) Trading API and discuss different algorithms for evaluating stock trades. We meet on the last Monday of each Month. Presentations are given by members and friends of this group. If you would like to do a presentation (small or large) on a python topic, please contact Central OH Python at centralohpython@gmail.com

**Important time note:** Please plan on arriving between 5:30 and 6:00 as the elevators lock after 6 and you'll need to message us and we'll need to come get you. The building address is 4450 Bridge Park The entrance is 6620 Mooney St, Suite 400 You will need to scan your ID at the door to get a visitor badge. **Abstract** TBD **YouTube Link** TBD

Customer identity resolution becomes increasingly complex as organizations scale across multiple systems, regions, and data formats. Traditional rule-based approaches often fail to keep up with data variability, require constant manual tuning, and struggle with real-time processing needs. This session presents a practical approach to building a scalable identity resolution pipeline using AWS services and modern AI techniques. The architecture combines data ingestion through Amazon S3 and AWS Glue, transformation pipelines using Spark on EMR, and machine learning models deployed via SageMaker for entity matching and standardization. Graph-based relationship modeling is implemented using Amazon Neptune to improve resolution accuracy by incorporating household and shared attribute context. We will walk through how machine learning models can be used for name and address normalization, how intelligent blocking strategies improve matching efficiency, and how feedback loops can be introduced to continuously improve accuracy. The session also highlights how serverless components such as AWS Lambda can be used for orchestration and real-time processing. **SPEAKER BIO** Mosaic Syed is a Senior Data Engineering and Cloud Solutions Architect with over 20 years of experience designing and delivering scalable, secure, and high-performance data solutions across global enterprise environments. https://www.linkedin.com/in/mosaic-basha-syed-92300856 **CALL FOR SPEAKERS** Learn more: [https://www.awscolumbus.com/get-involved/](https://www.awscolumbus.com/get-involved/) **THANK YOU** *VEEAM* for hosting our meetup! To learn more about *Veeam*, please visit their website: [https://www.veeam.com/](https://www.veeam.com/) **DIRECTIONS** 8800 Lyra Dr #450 · Columbus, OH go to 4th floor. **Want to sponsor the pizza and/or bar tab?** Please contact me if you would like to sponsor this meetup's pizza and/or bar tab: angelo@mandato.com

**Latest Dojo Location!** **Knotty Pine Brewing** 1765 W 3rd Ave, Columbus, OH 43212 We're going to try a new dojo location for a few weeks and see how it works Dojos are informal Python group study sessions where everyone interested in Python gathers to learn about Python, help others with Python, or just hang out. Everyone is welcome from Python beginners to experts. Bringing a laptop is encouraged (we'll have extension cords and power strips). If there's something you want to learn leave a comment on this invite so we can plan ahead. We're looking for speakers for our Monthly Meetups! Fill out the form if you are interested in presenting to the Python Community. https://forms.gle/ehSfUAC2WgR34Crq9