Name: DataTribe Meetup #5 - Data Engineering and AI @ Wärtsilä
Start: 2025-09-09T16:30:00+03:00
End: 2025-09-09T20:30:00+03:00
Location: Wärtsilä

# **DataTribe Meetup #5: Data Engineering & AI @ Wärtsilä, Helsinki**

📅 Date: Tuesday, September 9th, 2025
📍 Location: Wärtsilä, Hiililaiturinkuja 2, 00180 Helsinki
⏰ Time: 16:30 – 20:30
🎯 Theme: Patterns, Data Platforms & Practical AI
Join fellow developers, data engineers, and tech enthusiasts for an evening of technical deep-dives, practical insights, and networking at the next DataTribe meetup hosted by Wärtsilä.
✨ This is the **first technical event being collaborated with HelPy and PyData** – and we’re excited about this!

***

🛠️ **Agenda**
**16:30 – 17:00**
👋 Arrival & Networking
Check in, Grab a drink, meet the community, and get settled in.

**17:00 – 17:15**
🎤 Welcome Words
With hosts from Wärtsilä, DataTribe, HelPy, and PyData.

**17:15 – 18:00**
🍝 *Untangling the Flying Spaghetti Monster – A Case Study in Simplifying Complex Applications*
**Speaker:** Stephen Sullivan, Tech Lead in Wärtsilä Platform Engineering & Developer Services
**Topic:** A practical case study on applying software engineering patterns—Finite State Machines, Domain-Driven Design, and the Strangler Fig—to tame complexity in real-world business applications.

**18:00 – 18:05**
☕ Quick Break

**18:05 – 18:45**
💡 *From Centralized Data Lake to Lakehouse and Data Mesh*
**Speaker:** J-P Vapaavuori, Lead Data Engineer at OP Data Platform
**Topic:** OP’s journey from a centralized data lake towards Databricks Lakehouse and federated data products. Learn what it really takes to shift thinking, build self-service, and enable a data mesh in practice.

**18:45 – 18:55**
🛑 Quick Break

**18:55 – 19:40**
🤖 *How to Build End-to-End Multi-Agent Solutions on Databricks*
**Speaker:** Aarni Sillanpää, Databricks MVP & Founder of Ikidata
**Topic:** An exploration of building agentic solutions on Databricks—architectural patterns, practical tips, and lessons from building AI agents before it was mainstream.

**19:40 – 20:30**
🍻 Snacks, Drinks & Open Networking
Unwind, connect, and share ideas with peers in a relaxed setting.

***

📌 **Event Info**

* **Venue:** Wärtsilä, Hiililaiturinkuja 2, Helsinki
* **Food & Drink:** Dinner and drinks provided
* **Entrance:** Please share your **first name and last name** during registration. A name tag will be prepared for you and must be worn by every participant inside the event facility. Reception will also ask for a **valid ID**, so please carry it with you. Arrive well in advance to allow smooth check-in.
* **Audience:** curious software, data and AI professionals
* **Community Partners:** [HelPy](https://www.meetup.com/helpy-meetups/) & [PyData](https://www.meetup.com/pydatahelsinki/)
* **Note:** Photos may be taken for recap & marketing. Attendance implies consent, always used respectfully.
👉 Join the tribe: [datatribecollective.com](https://datatribecollective.com)

Chanukya Pekala

Daniel Vahla

Eevamaija Virtanen

Elvira

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