JavaScript Frameworks

To whoever want to turn hard-to-test code into easy-to-test code. This is a **hands-on workshop** where we do pair programming on an example domain. The example code contains difficult-to-test code, and your job is to make the code testable and add few tests. You will learn **3 different techniques** on turning legacy code into testable code. These techniques you can take with you to your work and use them the very next day. **Schedule**. 17:00 some snacks and setting up your dev env. 17:30 programming exercise 18:45 quick retro 19:00 free discussion, sauna\* is on. \* Please bring a swimsuit for the sauna. Towels are on the house.

🌼 Spring is here again and it's time to have a get together to talk about Apple (and other) technologies and to meet old friends. And maybe to speculate on what will be coming in WWDC. Once again Wolt are our amazing hosts at the Helsinki HQ on Wednesday, 15th of April for the event! There will be drinks 🍻 and snacks 🍕as well. Agenda: 18:00 Doors open 18:30 Welcoming words 18:40 First Talk: "10 years in the App Store - lessons learned" - Timi Koponen 19:10 Second Talk: "Future: Yesterday – Writing SwiftUI for iOS 26 while supporting 18 or below" - Pyry Jahkola 19:40 Mingling and food/refreshments 20:00 Third Talk: "Agentic iOS Development in a Multi-Repository Setup" - Andrei Sadovnicov 20:30 More mingling 21:00 or so event ends (The agenda may be subject to refinement, will keep you updated here.)

**Tired of surface-level conversations?** This evening is different. Not networking. Not small talk. A curated space for real, meaningful conversations. **Theme of the evening:** *Restart — Finding the courage to begin again* We all reach moments where we stop, drift, or walk away. Coming back is the hard part. This evening is about that space — between stopping and starting again. ⚠️ *Spots are limited and your place is only confirmed after booking via the link below.* **What to expect** • Small group deep talks (guided) • Rotating conversations • Relaxed, open social time after 🕔 Doors open 17:00 \| Start 17:30 🎟 **Limited spots available** 💶 Ticket: €10 ➡️Book your spot here: https://book.stripe.com/00w14n3dM9lz9Pn6sQ3gk02 ☕ Drinks/food available at a special price at the venue Join our **[free WhatsApp group](https://chat.whatsapp.com/FKrAyyRe6Mt5WU7BHujFlF)** to see the inner side of the community — conversations, people, and upcoming activities. Special **combo + tea deals** available by Outrun Cafe (not included in ticket). 📸 Photos and short videos may be taken during the event for promotional purposes. If you prefer not to appear, just let the host know — we’ll always respect your space. **What If You Could Start Again?** \- Thinkers & Makers Helsinki

Språkcaféet är en öppen diskussionsgrupp för dig som är intresserad av att öva svenska. Välkommen till Oodi för att samtala på svenska, dricka te, lära känna nya människor och utveckla dina språkkunskaper. Tröskeln är låg alla är välkomna till språkcaféet. Vi träffas på andra våningen i grupprum 7. Språkcaféet ordnas i samarbete med Föreningen Luckan. NÄR? Varje onsdag från 28 januari till 1 juli 2026, kl. 17.30–19.00 VAR? Tölöviksgatan 4 / Helsingfors centrumbibliotek Oodi Grupprum 7, våning 2 HUR? Gratis, men antalet platser är begränsattill 20 personer – säkra din plats i tid. Läs mer här: [https://helmet.finna.fi/FeedContent/LinkedEvents?id=helsinki:agilmfuur4](https://helmet.finna.fi/FeedContent/LinkedEvents?id=helsinki%3Aagilmfuur4&fbclid=IwZXh0bgNhZW0CMTAAYnJpZBEyOXJVem4wcG9zTFNnWkZhb3NydGMGYXBwX2lkEDIyMjAzOTE3ODgyMDA4OTIAAR7oA9f7wT-vg1TTAOolBX-DIa5v2kNy3WWYaRoGIQ61b0FwKnNRIpM8iS_SNA_aem_3IiwBU4uC18LCxtcZztCzQ) \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- The Language Café is an open discussion group for people interested in practicing Swedish. Come to Ode to discuss in Swedish, drink tea, get to know new people and practice your language skills. We have a low threshold, everyone is welcome to the language café and we meet on the second floor in group room 7. The language café is organised in cooperation with Föreningen Luckan. WHEN? Every Wednesday starting 28th Jan - 1st July 2026 from 17.30-19.00 WHERE? Tölöviksgatan 4 / Helsinki Central Library Oodi, Group room 7, second floor HOW? Free, however, the space is limited to 20 people so make sure to grab a seat. Read more here: [https://helmet.finna.fi/FeedContent/LinkedEvents?id=helsinki:agilmfuur4](https://helmet.finna.fi/FeedContent/LinkedEvents?id=helsinki%3Aagilmfuur4&fbclid=IwZXh0bgNhZW0CMTAAYnJpZBEyOXJVem4wcG9zTFNnWkZhb3NydGMGYXBwX2lkEDIyMjAzOTE3ODgyMDA4OTIAAR5tA7X3DwdnHkLD_aFYiMP70HkHr0Sb51r5vMwwTnCaNWoZQI38y7VBcXHTqQ_aem_ankM-3hEAv-lqwS8R76POA)

Learning Finnish in Finland can be difficult because Finns tend to switch to English. That is one of the reasons people like our Finnish language café: you get to practice Finnish with Finns :) The events are completely free and there is always a native speaker to facilitate the conversation and to help find the right words. The coffee is good too ☕😋🇦🇹 Tervetuloa! When? ⏰ Usually Tuesday to Friday from 15:00 - 16:00 Where? 📍 In a cozy Viennese coffee house: The Good Coffee Company, Eerikinkatu 33, Helsinki The Good Coffee Company A Taste of Vienna 🇦🇹 Eerikinkatu 33, 00180 Helsinki Please visit our Facebook page for updates and changes: https://www.facebook.com/TheGoodCoffeeCompany/events

Motley ry, in collaboration with MIITTI, is happy to present our Spring-26 schedule of FREE, FUN and FRIENDLY creative community workshops for children and young people, including embroidery, tufting and 3D greeting cards, led by our lovely, kind and professional teachers! ***Check the individual dates for each activity in the registration form further down!*** WHERE: The workshops will take place on Wednesday evenings at: **Tallipääty, MIITTI office at Lapinlahden Lähde, Lapinlahdenpolku 8** This year we are able to provide a range of children and young people's creative activities free of charge (materials included too), thanks to a grant from a foundation Brita Maria Renlunds minne sr. While we are still working on our own website, more details of each workshop can be also found in: [https://www.instagram.com/motley_project/](https://www.instagram.com/motley_project/ "https://www.instagram.com/motley_project/") **Sign up now to book a space before they fill up!** Sign up through this Google Form: https://docs.google.com/forms/d/e/1FAIpQLSexw_M9lC4hUNJ2a0zx3qzhzI63Ob4eEnn0hseCnOGwis__7w/viewform …or by emailing us: [motleyproject2025@gmail.com](https://helsinki.inschool.fi/!04734529/messages/26761149#OnlyHTTPAndHTTPSAllowed "https://helsinki.inschool.fi/!04734529/messages/26761149#OnlyHTTPAndHTTPSAllowed") Join MIITTI's Whatsapp community network to join your favourite group and stay connected with the other members! When you participate in one of our groups or events, just ask the group facilitator to add you to the community! IG: [instagram.com/miitti](https://instagram.com/miitti1?fbclid=IwZXh0bgNhZW0CMTAAc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHtRTGOrk9UHok74sN2rBKO0MbPmdDN1rkKT0itIGvT4XlR6Nf1IuggnH_RAU_aem_nDLv9Qv_6btmXIj1BMzD6w)1 Facebook: facebook[.com/miitti1](http://meetup.com/miitti1?fbclid=IwZXh0bgNhZW0CMTAAc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHiTNymBItpBzaNS4U5YckVkmX1lWvGTNmyrgrCjU0VyG5VbDkE0S2kc0vPRr_aem_7_pfV6MIaQSXAY1NFyFo3w) Web: [lapinlahdenlahde.fi/en/projekti/miitti/](http://lapinlahdenlahde.fi/en/projekti/miitti/?fbclid=IwZXh0bgNhZW0CMTAAc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHvsDEGe0cfHYjb_stAotytR1P4VMnwu_n6rB015BsI18aHlGEvaFwN-N2xxS_aem_mNak8N9FjZKLR2oxot5L-g)

Opitaan suomea ja arabiaa sekä kohdataan kahvikupposen äärellä! Kielenvaihtokulmassa opit tandem-menetelmällä arabiaa sitä äidinkielenään puhuvalta ja itse opetat samalla suomea, molemmat opettavat toisilleen. Tule kielenvaihtokulmaan jakamaan osaamistasi! Location: Maunula talo Metsäpurontie 4 00630 Helsinki Tervetuloa mukaan silloin kun sinulle sopii! If you want to be part of the MIITTI community, follow us on our other platforms: IG: instagram.com/miitti1 Facebook: facebook.com/miitti1 Web: lapinlahdenlahde.fi/projekti/miitti Whatsapp: Join our Whatsapp community network to join your favourite group and stay connected with the other members! When you participate in one of our groups or events, just ask the group facilitator to add you to the community!

Pay the **5 € board gaming fee** to the bar at the counter when you arrive. You must be at least 18 years old to enter [Arkade](https://www.arkade.fi/). We play in English and the game rules are taught before starting play, unless everyone is already familiar with the game. No previous experience with board gaming required. Despite our RSVP numbers here on Meetup, we almost always have at least 20 people participating weekly. The venue has a great board game library, the host and other players usually bring their own games too: our selection varies weekly. We're a very casual group so you're welcome to arrive early or late and join whatever game is starting up, there is no attendance tracking, or welcoming process. The bar has alcoholic drinks, mocktails, and soft drinks available as well as some snack foods. They've been okay with people ordering food to the bar with meal delivery services. If you are feeling sick, please stay home.

IMPORTANT: Registration is not available through Meetup. The workshop size is limited and will be filled on a first-come, first-served basis, so you must purchase your ticket from our website in advance. Welcome. Sign up and get your ticket from here. [https://holvi.com/shop/UDUMBARA/section/pottery-wheel-workshops-keramiikka-kurssit/spring-2026-kevat/](https://holvi.com/shop/UDUMBARA/section/pottery-wheel-workshops-keramiikka-kurssit/spring-2026-kevat/) Join us for a challenging, fun, and relaxing time creating with local wild clay and socializing with friends. Udumbara Pottery Studio in Kallio, Helsinki, welcomes pottery students of all experience levels to come and enjoy pottery wheel lessons within a small group setting. Osaamme myös suomea, tervetuloa. Vi talar också svenska, välkommen.

Welcome to our April meetup in Helsinki, arranged together with Antilooppi (https://antilooppi.fi/). Schedule: 17:00 Doors open! 17:30 Welcome words by organizers and Antilooppi 17:40 **"From Layoff to $9K/Month: Lessons from Building and Selling Mobile Apps"** **by Steven Phuc, indie developer** In today’s tech industry, job security feels increasingly uncertain. Whether unemployed or still employed, many people are facing layoffs or constant pressure to adapt. After being laid off as a React web developer, Steven spent months trying different paths — web projects, SaaS ideas, and experiments that didn’t gain traction. Eventually, he shifted focus to building consumer mobile apps, learning everything from product direction to distribution through trial and error. Within about a year, his apps reached around $9,000 in monthly revenue. This talk shares a practical and honest roadmap from uncertainty to sustainable product income — covering key lessons, failures, and what actually mattered. If you’re curious about turning ideas into real products and interested in this path, this talk is for you. \*5 min break\* 18:15 **"Vibe Coding Without Losing Your Edge", Johanna Wäänänen, Founder, Systemic, PhD Researcher** At the same time as AI rushed into our everyday work, I started my PhD research on how human physiology shapes cognitive performance. That overlap made me notice, that AI is not just changing how we work or code. It’s changing how we think and feel. We’ll explore a question especially relevant for coding: * Why can coding with AI make your brain feel… a bit like mush? * And more importantly: What can we do about it? My hope is that by exploring this together, we can share practical ways to maintain clear, high-quality thinking while working with AI. We’ll look at how to: * stay sharp to move fast * use AI to extend your thinking and not replace it * keep your edge in a world where AI is everywhere This is a phenomenon worth understanding to keep your edge. Johanna "I study how human physiology shapes thinking, decision-making, and collaboration — and, ultimately, performance. And how these are evolving in the age of AI. Alongside my research, I work with teams and organizations navigating complex environments" \*5 min break\* 18:50 **“The Job of Product Designer in the Age of AI”, Lassi A Liikkanen, PhD, Director of Product Design and Insight, Qvik Ltd.** Is there a future for human designers? The tasks and responsibilities of a UX/UI designer are subject to rapid shift as AI can be used to radically augment the professional capability of every designer. In this talk I reflect on recent developments that have and will influence designer work in the immediate future, taking the conversation to discuss the tasks designers would love and will have to take on in the future. 19:30 Mingling / free discussion etc 20:00 Doors close **About us** Vibe Coding Finland is a community for developers, designers, business professionals and tech enthusiasts who love to vibe code, learn, and connect in a relaxed and inspiring atmosphere. Whether you’re a seasoned professional or just starting your coding journey, you’ll find good company, meaningful discussions, and hands-on sessions to boost your skills and creativity. Our meetups feature a mix of talks, coding sessions, project showcases, and networking — all centered around building great vibes and a supportive tech community in Finland.

The Snowflake Finland User Group is a space for discussion and mutual learning about leveraging the Snowflake cloud platform. It offers an excellent opportunity to discuss best practices, review real-world Snowflake use cases, and explore third-party technologies with your peers. You'll also have the chance to expand your professional network and learn from other Finnish success stories. This time, we’ll have speakers from **Metso** and **Antti Rask** — BI professional, founder of Helsinki Data Week, co-author of the *RandomWalker* R package, author of *col2hex2col*, creator of the *TuneTeller* and *BiblioStatus* apps, and author of the upcoming book *ggplot2 Extended*. 🤝 Organizer and Sponsor: Twoday 🏠 Venue: Twoday, Keskuskatu 3 🍕 Catering: Light bites and drinks ✨ Agenda & Speakers: See below 👇 5:00PM \| Arrivals\, food and mingling 5:30PM \| Snowflake User Group \- Introductions by Mika Heino and Eerik Puskala from Twoday 5:40PM \| Presentation by Juha Hurtig \(Metso\) \+ QA 6:30PM \| Short break 6:40PM \| Presentation by Antti Rask \+ QA 7:30PM \| Wrap\-up & Networking 8:00PM \| Doors Close You can also sign-in to [https://usergroups.snowflake.com/helsinki/](https://usergroups.snowflake.com/helsinki/) to get notifications from our Bevy page. Our venue has capacity limits, so please only RSVP if you intend to come and if you need to cancel change your RSVP status on the Meetup to "Not Going."

Finland currently has the **highest unemployment rate** in Europe. **AI** is rapidly reshaping expectations and requirements for candidates. As a result, the data job market is becoming **increasingly competitive**, making it harder to stand out. So how can you adapt and **search for job effectively** in this environment? At the DataTribe meetup, you will hear first-hand insights from **a recruiter at Wolt** who is continuously hiring data professionals, as well as from **a career consultant** who helps specialists navigate today’s challenging job market. **Topics we will cover:** ✅The current state of the data job market in Finland ✅What hiring managers are really looking for ✅How AI is changing both hiring and job search ✅Practical job search strategies that actually work ✅Common mistakes candidates make and how to avoid them **Speakers:** **Zhanna Filintseva** – Senior Tech Talent Acquisition Partner at Wolt **Lidiia Salo** – Career Consultant and Founder of Get Hired in Finland Welcome!

Join us for an open and rigorous discussion on some of the central questions of political philosophy. This session invites participants to examine the principles that govern our societies, challenge their assumptions, and engage with differing viewpoints in a thoughtful and respectful setting. Political philosophy asks not only how societies are structured, but how they ought to be structured. What do we owe one another? What justifies authority? And where, if anywhere, are the limits of obedience? We will center our discussion around the following questions: * **What is the most just system of income taxation?** Should taxation aim at equality, fairness, efficiency, or something else entirely? Is progressive taxation justified, or does it violate individual rights? * **Should there be free speech?** Are there limits to what people should be allowed to say? If so, who decides—and on what grounds? * **Should you obey an immoral law?** When law and morality conflict, which takes priority? Is civil disobedience justified, and under what conditions? * **What grounds political authority?** Why should anyone have the right to rule? Is authority derived from consent, tradition, utility, or something else? No prior background in philosophy is required—only a willingness to think carefully, listen closely, and speak honestly. Whether you lean toward structured argument or exploratory reflection, your perspective is welcome. Come prepared to question not just society, but your own assumptions about justice, freedom, and obligation. **Description by ChatGPT**

Let's play Mafia together! Locations: Oodi library, Group room #7 (2nd floor). Mafia is a role playing social deduction game. People sit around the table, and are secretly assigned a role. The role divides them in two teams: \- Mafia \(minority\) \- Citizens \(uninformed majority\)\. Members in the Mafia team know each other, but the citizens don't. You are not allowed to reveal your role in any way. Each turn consists of a night time and day time. During the night: The Mafia team secretly "kills" one member of the Citizens. Players with special roles (detailed below) secretly use their ability. During the day: Everyone presents their opinions on who they think are in the Mafia team, or present arguments as to why they are not in the Mafia team if they have been accused. Vote for those players you think are in the Mafia team - those who get a majority vote (>= 50%) will get a chance to present their defense. Vote to "eliminate" 1 person in the defense - the accused will not be eliminated if there are no votes or gets <50% of the votes. The game continues until either the Citizens eliminate all Mafia members, or the Mafia becomes the majority. ++++++++++++++++++++++++++++++++++++++ Most of the people at our event have experience playing the game. But we are glad to meet new people, and will be happy to briefly introduce you to the game rules and players' strategies if you decide to come. ++++++++++++++++++++++++++++++++++++++ Special roles at our game party: Doctor (Citizen team): At each night, you can save a player who you think the Mafia team has killed. That player cannot be killed by the Mafia team that night, and the Mafia do not know who you saved. You can save yourself once. Detective (Citizen team): At each night, you can point to a player you think is in the Mafia and the narrator will show thumbs up if they are in the Mafia team. You can not detect the Godfather. Sniper/Professional (Citizen team): Each night, you could either choose to kill someone you think is in the Mafia, or not shoot. You have only two bullets. If you select a citizen to shoot, you go out of the game yourself, but that citizen is still in the game. Constantine (Citizen team): During the night, you can bring back one dead person to life. This can be used only once per game. Matador (Mafia team): Each night, you can diffuse someone's special ability. You can not diffuse the same person two nights in a row. Godfather (Mafia team): You're the head of the Mafia. The detective can not detect you. Terrorist (Mafia team): During the day, you can reveal your character, and choose to kill yourself and another player. The latest time you can do this is during when someone (e.g. you) are presenting their defense. The person you kill with yourself cannot be resurrected by Constantine

**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** GitHub Copilot is powerful, but what if you could scale from a solo AI assistant to an entire team of specialized agents working in parallel? This session introduces Squad: an open-source framework for multi-agent orchestration that lets you define teams of AI agents with specific roles, responsibilities, and expertise. We'll progress from Copilot basics to the Copilot CLI, explore how Agents add autonomy, and see how Instructions and Skills let you customize agent behavior. Then, the climax: a live demo where a Squad team of 3 agents (Lead, Developer, Tester) stands up and builds a working application in real-time, showcasing true multi-agent collaboration. Whether you're new to AI or exploring how to scale your use of Copilot, this session will show you what's possible when agents work as a team. **YouTube Link** TBD

Join us for **Ben Frain**'s talk ... Ben's book "Responsive Web Design With HTML5 and CSS" caught my attention (and should interest you as well). Find it here: [https://rwd.education/](https://rwd.education/) ***Bring your laptop and expect to write some (non-AI generated) code!*** Food and drinks will be available. **LOCATION:** 6515 Longshore Loop, Suite 300, Dublin, OH 43017 **FREE PARKING:** 6725 Longshore Street, Dublin, OH 43017

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!

Want to be a speaker? submit your talk to our Call for Presenters!!! https://sessionize.com/cbus-hug-2026/

**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 Chris Pazsint will be talking about Agentic Coding. How does one use CLI Based Agents, and Agentic IDEs such as Cursor, Kiro, Antigravity? How to include agentic coding plugins for IDEs you already love such as Visual Studio Code. 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