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Civic Groups Berlin

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Spec-Driven Development in Practice: How AI Simplify Full-Stack Java

Spec-Driven Development in Practice: How AI Simplify Full-Stack Java

Tue, Jun 9, 4:30 PM
From Java Usergroup Berlin-Brandenburg
4.5

Together with Capgemini, we’d like to invite you to our talk in June. This time, we’ll be discussing spec-driven development with Simon Martinelli. **Spec-Driven Development in Practice: How AI Simplify Full-Stack Java** AI is transforming how we develop software, but many teams still treat code as the source of truth, leading to outdated documentation and hidden business logic. What if specifications became the single source of truth instead? This session introduces Spec-Driven Development (SDD) and the AI Unified Process (AIUP), a practical approach in which developers write clear, structured requirements, and AI generates everything else: diagrams, code, and tests. When requirements change, the system stays consistent automatically. Based on a real-world Java project built with Spring Boot, jOOQ, and Vaadin, the most productive and secure web framework for Java, you’ll see how SDD keeps business rules, data access, and UI perfectly aligned. Join this session to learn how AIUP helps Java developers deliver applications faster, with less boilerplate and more focus on what really matters: understanding the domain. Most teams still treat code as the source of truth, leading to outdated documentation and hidden business logic. In this session, you’ll learn how Spec-Driven Development (SDD) and the AI Unified Process (AIUP) let you define requirements once and generate consistent Java code, diagrams, and tests automatically. Based on a real project with Spring Boot, jOOQ, and Vaadin, this talk shows how to build faster, safer, and more maintainable full-stack Java applications. **Simon Martinelli** Simon Martinelli is a Java Champion, Vaadin Champion, and Oracle ACE Pro with over three decades of experience as a software architect, developer, consultant, and trainer. He is the creator of the AI Unified Process (AIUP) and a strong advocate of Spec-Driven Development. As the owner of Martinelli LLC, he coaches teams to get up to speed with AI-driven development. He regularly shares his insights through international conferences, articles, and his blog, Keep IT Simple (https://martinelli.ch), where he writes about AI, architecture, and modern Java development. He is also a lecturer at two universities in Switzerland, where he teaches software architecture, persistence, DevOps, and cloud-native development.

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70 attendees
Quiz Walk – Friedrichshain #75

Quiz Walk – Friedrichshain #75

Sun, Jun 7, 12:00 PM
From The Quiz Walk Fun Team Trivia Game
4.9

What's a great way to **have fun**, **meet people** and **explore Berlin**? *Hint:* It's happening in **Friedrichshain (Boxhagener Str.)** on **Sun. June 7th**. *Answer:* The next **Quiz Walk!** Join a team, walk from clue to clue and answer ca. **15 all new questions** about music, sports, culture, movies/TV, history, geography, science etc.! ― It's a great way to **meet people** ― ― **Use your knowledge** and help your team **win** ― ― Get to know **a Berlin neighborhood** (Kiez) better at each event ― ― Learn exciting things at these **fun, interactive quizzes** ― ― Afterwards, **meet up to chat**, and find out the **answers** ― **How it works:** We meet near the **S-Bahn Ostkreuz** (see **Start** below) and form **teams of 4** players. Then we **walk from clue to clue**. **Use teamwork** to answer the questions or **ask people for help**! See and answer the questions on one smartphone per team and **see your score** **as you play**! No rush – speed doesn't count. **Start:** **Sonntagstraße 2G, 10245 Berlin** We'll meet in the park right across from **Späti Brüder / Burgers Berlin**, near the **S-Bahn** **Ostkreuz**. **Note:** Please bring a **2€** **donation** to cover the costs of organizing. And please be on time, as we leave the meeting point within 10 minutes. **Looking forward to seeing you!**

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16 attendees
Flutter Berlin June

Flutter Berlin June

Thu, Jun 11, 4:00 PM
From Flutter Berlin
4.7

**Flutter Berlin Meetup — we're back! 🎉** We're back with a new meetup, and this time **Here Technologies** is hosting us — huge thanks for the venue! Two talks on the lineup, covering two very different but equally hot corners of Flutter: automotive navigation and on-device AI. 🕕 **Starts at 6:00 PM** 📍 **Here Technologies office, Berlin** *** **🚗 Talk 1 — Itai Shalom** *Lead Software Engineer @ Here Technologies* **Building a Navigation App in Flutter: Map Rendering on Android & Android Auto** How do you build a full navigation app in Flutter — with the map rendered on Android and running on Android Auto? Itai dives into how the Here team leverages Flutter for this and what makes their app unique. *** **🤖 Talk 2 — Ioannis Gerardis** *Software Engineer · Flutter Dev · AI Dev* **A Flutter App Powered by Local AI: From Synthetic Data (n8n) to Apple Silicon Fine-Tuning (MLX, Gemma)** On-device AI for emergencies. The full journey — from generating synthetic data with n8n to LoRA fine-tuning on Apple Silicon. Stack: **Gemma 4 E2B · MLX · n8n Synthetic Data · LoRA Adapters**. If you're curious about running and fine-tuning models right on the device, this one's for you. *** Expect plenty of technical depth, good conversation, and of course some networking. Come hang out! 🍕 See you there, *Flutter Berlin Community*

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52 attendees
Evening Worship Service

Evening Worship Service

Sat, Jun 6, 4:00 PM
From American Church in Berlin
4.8

Join us for a welcoming and reflective Saturday evening worship service in Engish. This service follows a classic liturgical form and includes Holy Communion, offering a meaningful and grounding way to end the week. The liturgy is a bit shorter than our Sunday service. After worship, stay for fellowship and conversation. Whether you are new to faith, returning after a long time, exploring Christianity, or deeply rooted in the tradition — you are truly welcome here. And when we say *all*, we mean **all**. Come as you are. You belong. We celebrate open communion, meaing all are wecome to recieve Holy Communion.

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1 attendee
🚀 Learn Public Speaking — Every Wednesday - The Center, Potsdamer Platz

🚀 Learn Public Speaking — Every Wednesday - The Center, Potsdamer Platz

Wed, Jun 10, 5:15 PM
From Mercury Toastmasters – Master Public Speaking | English
4.8

An inspiring, high-energy meeting of public speaking, connection, and personal growth in the heart of Berlin. **Mercury Toastmasters Berlin** invites you to our weekly meeting at our new home at **Das Center, Potsdamer Platz**, in the stunning **Historic Imperial Breakfast Hall**. *Experience the **power of prepared speeches** loaded with bold ideas, participate in our **dynamic Impromptu Session**, and **gain valuable insights** during our feedback segment.* *Leave with practical tools, fresh ideas, and renewed inspiration.* *Whether you want to speak up at work, boost your presence, or just meet inspiring people, you’ll feel at home at Mercury Toastmasters Berlin.* *** **[What to Expect:](https://mercurytoastmasters.de/find-toastmasters-meetings-in-berlin/)** ✨ A supportive space to speak, grow, and connect 🎤 Engaging prepared speeches ⚡ Fun, fast-paced impromptu speaking challenges 💬 Feedback session you can actually use 🌍 A friendly, international crowd (around 25–30 people) **Schedule** (times may vary) ⏰ 19:15 - Doors open & networking 🎙️ 19:30 - Prepared Speeches 🏓 20:35 - Impromptu Session (Guest welcome to join) ↩️ 21:00 - Constructive feedback 💬 21:30 - Food, drinks & relaxed socializing **No experience needed.** ***Come curious. Leave energized.*** *** **🤙 [Hear it from our members:](https://maps.app.goo.gl/eRtvR9DRNqU9WZQn7)** *“You can sharpen your public speaking skills and gain tons of confidence, while having fun and making new friends. Mercury is well-structured, fun, and affordable.”* — *Therese Pitt* *“Mercury gave me a safe place to speak, create, and grow. I love the multicultural vibe and supportive community. It’s the best place to learn and have fun.”* — *Krisztina Linka* *** **[Did You Know?](https://mercurytoastmasters.de/about-mercury-toastmasters-berlin/)** Toastmasters is where people go to get better at speaking—and grow into confident communicators and leaders. Today [Toastmasters ](https://mercurytoastmasters.de/about-mercury-toastmasters-berlin/)has 350,000+ members across 16,000 clubs in 143 countries. And [Mercury](https://mercurytoastmasters.de/find-toastmasters-meetings-in-berlin/) is one of the best places to experience it. So bring your curiosity, your energy—and just be yourself. Whether you’re just starting or ready to level up, there’s a place for you here. *** **[Wondering what you get as a member?](https://mercurytoastmasters.de/membership-mercury-toastmasters-berlin/)** Think expert feedback, real-world speaking practice, and a supportive crew that’s got your back. [See you Wednesday night! 🎉](https://mercurytoastmasters.de/find-toastmasters-meetings-in-berlin/)

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15 attendees
Sunday Service 10:45am

Sunday Service 10:45am

Sun, Jun 7, 8:45 AM
From Berlin Bible Study Meetup
4.9

You are welcome to join Sunday services at our church location. Feel free to contact us if you have any questions.

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1 attendee
430kMonthly events
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60mMembers
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4.5App store rating
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Frequently asked questions

Civic groups on Meetup are community-driven organizations that focus on local engagement and societal topics. They allow individuals to come together, discuss ideas, and participate in events aimed at bettering the community and addressing civic issues.

To find civic groups in Berlin, browse Meetup for local communities focusing on civic engagement and public affairs. Use search filters to narrow down categories and see groups meeting near you or virtually.

Yes, you can join multiple civic groups on Meetup. Engage with different communities to explore various public service activities and events aligning with your civic interests.

To see if there are events today, check Meetup’s event calendar. Filter by location and date to discover any civic-related meetups happening in Berlin on the current day.

Joining a civic group in Berlin can provide opportunities to engage in local issues, collaborate with passionate individuals, and make a meaningful impact within the community.

Berlin civic groups on Meetup function by organizing events and discussions focused on local issues and community improvement. Members usually attend regular meetings and participate in planned activities.

Many civic events are free to attend, but some might have a small fee based on resources needed or venue costs. Always check event details for any associated fees.

Yes, many civic groups in Berlin host online events that allow members to participate in discussions or listen to speakers through virtual platforms, expanding reach beyond geographical limitations.

While Meetup can help connect you with like-minded individuals, building friendships depends on ongoing engagement and interaction at events.

To RSVP for a civic event, log into your Meetup account, navigate to your chosen event, and click the RSVP button to confirm your attendance.

Group activity levels vary. Some may hold regular meetings year-round, while others organize events seasonally or around specific community needs.

Meetup focuses on group-oriented activities. However, some civic groups might have connections or initiatives that relate to individual volunteer opportunities.

If you can't find a specific civic group, consider starting your own Meetup community to gather individuals with shared interests and discuss important topics.

Yes, creating your own civic group is possible on Meetup. Establish a new group around a civic interest and organize events to connect with others.

Stay active by regularly attending events, participating in community discussions, and sharing ideas with others in your civic group. Engage deeply and build connections.