CoffeeScript

🎉 Come along to the London Scala Talks! 🎉 In this event you'll hear from Caroline Morton and Katrina Petrevice. **Agenda** 6:00pm - 🥤 Doors open. Come along and grab a drink! 6:35pm - 🗣️ Introduction 6:40pm - 🗣️ Katrina Petrevice: Caching in Scala using Ref 7:20pm - 🍕 Intermission: Join us for some free food and drinks! Vegan and vegetarian options are provided. Let us know if you'd like something special - we'd be happy to accommodate. 7:50pm - 🗣️ Caroline Morton: Accidental Functional Programming in Rust (From an Epidemiologist's Perspective) 8:30pm - 🥤 Socialising: Grab a drink and let's discuss the talks. 9:00pm - 🍻 Join us in a pub to discuss the talks! 🌐 **This event has a live stream** Join at **6:35PM** using this link: [https://teams.microsoft.com/meet/23161399678332?p=vEmQadbG1wErf3rGrk](https://teams.microsoft.com/meet/23161399678332?p=vEmQadbG1wErf3rGrk "https://teams.microsoft.com/meet/23161399678332?p=vEmQadbG1wErf3rGrk") **🗣️ Katrina Petrevice: Caching in Scala using Ref** Caching in memory is often one of the first strategies used to improve system performances. However, implementing caching in a purely functional way introduces unique challenges, specifically around state management and testability. In this talk, we will look at how to utilise functional programming principles with [Ref](https://typelevel.org/cats-effect/docs/std/ref), while maintaining clarity and composability. We will also deep dive into some common pitfalls and look into practical ways to test Ref effectively. ⭐ Katrina Petrevice ⭐ Katrina comes from a non–computer science background and was first introduced to Scala while working at JPMorgan. She credits much of her Scala knowledge to hands-on experience within her team, where she works on building and maintaining data pipelines and managing data systems. Since then, she has developed a strong interest in functional programming and now co-leads the Functional Programming Group at JPMorgan, where she helps share knowledge and foster a community around these ideas. **🗣️ Caroline Morton: Accidental Functional Programming in Rust (From an Epidemiologist's Perspective)** I don't have a background in functional programming - and I never set out to write it. But somewhere between writing trait-based epidemiological pipelines, composing data transformations, and leaning hard on Result, enums, and pattern matching, I started hearing from others: “That's pretty functional.” In this talk, I'll explore what it means to write “functional-ish” Rust as someone solving real-world scientific problems. I'll walk through the patterns I reach for - like chaining iterators, avoiding shared state, and embracing expressive types - and reflect on which functional programming ideas emerge naturally in Rust, even if you're not trying. I'll also share how designing for epidemiologists - most of whom are used to chaining functions in Python (like Pandas) or R - has pushed me toward creating ergonomic Rust APIs with Python and R bindings. These tools aim to feel familiar to scientists while leveraging Rust's power and safety under the hood. This is a talk for functional programmers curious about Rust, and for Rustaceans wondering if they've been functional all along. No formal theory required - just real code, real use cases, and a pragmatic perspective from someone building public health tools in Rust. ⭐ Caroline Morton ⭐ Dr. Caroline Morton is a medical doctor, epidemiologist, software engineer, and PhD candidate specialising in synthetic data, epidemiology, and Rust. With 60 peer-reviewed papers and two books on software, she combines deep technical expertise with a commitment to improving scientific workflows. Caroline co-founded the first [Women in Rust](https://www.meetup.com/women-in-rust/) group, fostering diversity and encouraging more women to explore opportunities in systems programming. She leads an open-source project improving codelist management in epidemiology using Rust, creating efficient, reliable tools for health data research. Her PhD focuses on synthetic data methods for epidemiology, particularly using Rust to generate large, realistic datasets. A strong advocate for open science and reproducibility, she contributes extensively to improving software practices through publications, workshops, and open-source projects. 🏡 **Accessing the building** The office space (125 London Wall) has two entrances: * ✅ Use the street level entrance, where the Elsevier volunteers we will be welcoming people (this is the easiest one to find, usually people arrive from there) * ❌ Do not use the entrance above that connects to the barbican walkways. Security guards should redirect you to the street level entrance if you find this one instead. Please try to arrive by 7PM, or the street level entrance will be closed. If you do arrive afterwards, let us know on [meetup.com](https://www.meetup.com/london-scala/events/314293345/) or [Discord #general](https://discord.gg/aRCVCHmHES), and someone will come to fetch you. ———————————————————— 🗣️ Would you like to present, but are not sure how to start? Give a talk with us and you'll receive mentorship from a trained toastmaster! Get in touch through [this form](https://forms.gle/zv5i9eeto1BsnSwe8) and we'll get you started 🏡 Interested in hosting or supporting us? Please get in touch through [this form](https://forms.gle/3SX3Bm6zHqVodBaMA) and we can discuss how you can get involved. 📜 All London Scala User Group events operate under the [Scala Community Code of Conduct](https://www.scala-lang.org/conduct/). We encourage each of you to report the breach of the conduct, either anonymously through [this form](https://forms.gle/9PMMorUWgBnbk1mm6) or by contacting one of our team members. We guarantee privacy and confidentiality, as well as that we will take your report seriously and react quickly.

Our classic pub crawl! You will meet your pub crawl buddies at Liverpool Street Station (meet at the Pin!) before making your way to these pubs. Make sure to show our meeting point photo so that you can find all members! Start at: Hamilton Hall: Liverpool St, London EC2M 7PY (Closes at 11.30pm) Next stop Dirty Dicks: 202 Bishopsgate, London EC2M 4NR (Closes at 12am) End your night at Commercial Tavern: 142 Commercial St, London E1 6NU (Closes at 1am)

Register: [https://luma.com/hack-night-tessl-may13-2026?utm_source=neo4j](https://luma.com/hack-night-tessl-may13-2026?utm_source=neo4j) ## What's Hack Night? ​Five hours. One room full of builders. Zero fluff. As many demos as we can. ​Hack Night at Tessl is a London evening for people who would rather build than posture. You show up with an idea, find a team if you want one, spend a few focused hours shipping with a DJ in the background, and demo what you made before the night ends. Then we head to the pub. ​**When**: May 13\, 2026 \| 4:00 PM \- 8:45 PM BST **Where**: Tessl office, London ## Here's How It Works ​**4:00 PM - Doors Open** Check in, grab food, meet other builders, form groups, (or solo hack if you want) and decide what you're making. ​**4:30 PM - Opening Context** Quick welcome from the host and venue partner so everyone knows the flow for the night. ​**5:00 PM - Short Technical Remarks** If there are host or sponsor remarks, they stay short. The point is to get useful context, then get people building. ​**5:30 PM - Build Time** Heads down. Music on. Ship something. Use the time to test an idea, explore a tool, or finally build the thing you've been sitting on. ​**7:30 PM - Demo Time** Show what you made. Get feedback. See what everyone else shipped. ​**8:45 PM - Wrap Up** Final demos, shout-outs, and a clean finish to the night. And of course, Pub! We're heading to a pub nearby for a pint and a proper debrief. Come if you want to keep the conversation going.

**Join us on *Discord* to keep updated!** **[(Click me! Online Offline Discord)](https://discord.gg/uuwybw93kj)** Our classic pub crawl! You will meet your pub crawl buddies at Liverpool Street Station (meet at the Pin!) before making your way to these pubs. Make sure to show our meeting point photo so that you can find all members! **Start at:** Hamilton Hall: Liverpool St, London EC2M 7PY (Closes at 11.30pm) **Next stop Dirty Dicks:** 202 Bishopsgate, London EC2M 4NR (Closes at 12am) **End your night at Commercial Tavern:** 142 Commercial St, London E1 6NU (Closes at 1am)

We're delighted to announce an exciting LSCC event on Wednesday 13th May, in partnership with our friends at Zopa Bank! Join us at the Zopa Canary Wharf office in London for this session and get the chance to flex your architectural design muscles! "So how are we supposed to get great architects, if they only get the chance to architect fewer than a half-dozen times in their career?" — Ted Neward. This quote highlights the need for practice, which is what our LSCC architecture katas provide: a safe, repeatable way to hone your software architecture design skills by simulating architectural challenges. **What's the format?** You'll be split into groups and have a business problem to solve. You'll be tasked with designing a technical architecture to meet that problem context. As with real-life you'll have to manage various trade-offs in your design and interact with a Product Owner to clarify your questions. At the end of the task each team will showcase their architecture and technology choices back to the wider group as part of a group discussion. Whether you're a seasoned coder, software architect or new to the scene, you're invited to share insights, discuss best practices, and learn from fellow participants. No prior session attendance or architecture knowledge is required – just bring your enthusiasm. No laptop is required for this session, we'll provide each group with paper, pens and sticky notes to support the activity. Thank you to the Codurance team that will run the event at Zopa Bank's office. Find out more at https://www.codurance.com/ Food and drinks will be provided with vegetarian, vegan and non-alcoholic options available - thanks to Zopa Bank for sponsoring refreshments and hosting in their great office. **About Zopa** Founded in 2020 with a full banking licence and backed by some of Silicon Valley’s most iconic investors, digital bank Zopa is building the Home of Money. This is a place where financial products deliver good value and managing money is made effortless; deep and long-lasting relationships mean customers are left confident about their choices. One of the UK’s highest rated and most celebrated financial brands, Zopa has been recognised with over 10 British Bank Awards, holds a Trustpilot rating of 4.6/5, and has one of the highest customer satisfaction scores in the industry. Zopa Bank Limited is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. https://www.zopa.com/ We look forward to seeing you soon!

Join us for our weekly Fems and Thems Climbing Social, a welcoming space for women and non-binary climbers to connect, climb, and have fun! Whether you're new to climbing or a seasoned pro, this social is all about building a supportive community and celebrating our shared love for the sport. This is a relaxed, no-pressure environment designed to help you enjoy climbing while meeting like-minded people. Open to all women and non-binary folks aged 18 and over. Cost: £16 regular peak time entry at Bethwall Climbing centre (£2 registration fee might apply) + £4 rental shoes (chalk is provided Come solo or bring a friend – everyone is welcome! Let’s climb, chat, and share some good vibes. We can’t wait to see you there! For any questions or accessibility inquiries, feel free to contact us in advance.

For our May meetup, we're delighted to be back at the fabulous Accurx offices. We have two amazing talks lined up and the agenda will be: * 6:30pm - arrive, drinks, networking * 7:00pm - Welcome & Housekeeping * 7:15pm - **Talk** **1: "A practical guide to inner sourcing your IDP"** Bridging the gap between developers and platform teams is hard. Scattered documentation, fragmented language and hidden knowledge leave developers frustrated, while platform teams struggle to understand what devs really need. Treating platforms as products is a start, but treating them like open source projects unlocks real collaboration, allowing developers to contribute and maintain features. In her roles as Developer Advocate and platform engineer, Lian has years of experience working with highly bureaucratic organisations helping to improve developer experience and adoption. In this talk, she’ll share concrete steps to identify contribution opportunities, set up maintainable processes, and measure engagement. You’ll leave inspired with ideas to boost adoption, reduce friction, and turn your platform into a collaborative, thriving ecosystem. **Speaker:** Lian Li, Cloud Native Human *Lian always wanted to save the world. After leaving law school, she decided to work with computers instead. While in Web Dev, she started attending tech events, and soon fell in love with the community. In her roles as Consultant and DevRel, Lian combined technical knowledge with a focus on the human side.* *Currently, Lian works as freelance Platform Engineer in Amsterdam and is the Chief Karaoke Officer for Kuberoke, the first and only Kubernetes Karaoke Community. She also enjoys performing in musical improvisation theatre and standup comedy shows.* * 7.45pm - food, more drinks & networking * 8.00pm - **Talk** **2: "The Humans Behind the Platform: Structuring Teams for Culture and Capability**" It’s easy to focus on the tech when building a Platform team, and that’s tremendously important, but it’s often the people and how they work together that determine success. Over the past couple of years, Claire has led a Platform Engineering Team through different formations, migrations, and tooling adoptions. Whatever shape the team has taken, whatever they're working on, the constants have been a need for clear purpose and a culture where people can thrive, this takes work, and has sometimes been tricky to get right. In this talk, she’ll share what she's learned from shaping and supporting platform teams: what’s worked (and what hasn’t) when it comes to team composition, balancing seniority, and supporting career growth. Collaboration is central to how to operate, so she’ll talk about how her team works with and supports internal customers, and what’s helped to navigate complex, knotty migration projects. She’ll also cover how they built a culture that gives engineers space to lead. We want engineers at every level to feel confident taking ownership, and that takes deliberate effort. If you’re figuring out how to shape your platform teams to enable others as well as deliver, this talk will offer practical ideas, and maybe a few things to rethink. **Speaker:** Claire Reckless, Engineering Manager *Claire is an Engineering Manager and leads a Platform Engineering Team. With a background spanning Tech Support, Testing, and QA across sectors like Finance and Security, she brings a deep appreciation for resilient systems and collaborative teams. Claire is passionate about learning and development, and she’s especially proud of her past work coordinating an apprentice programme, an initiative that’s helped build a more diverse and sustainable pipeline of engineering talent. She’s energised by helping engineers at all levels grow their confidence, take ownership, and shape the future of their teams.* * 8.30pm onwards - drinks and networking. So, please come and join us, we look forward to seeing you there. The LOPUG team. * Food and drinks provided * Good time will be had by all

We’re running a competitive men’s scrimmage with limited spots available. £10 per player for 2 hours of court time. Come and be part of a growing community as we get started. All profits will go towards funding free basketball sessions for U19 players. Message me if you’re interested. Even if you can’t make this one, you’re welcome to join the WhatsApp group for future runs.

We are back! This is going to be a monthly IN PERSON meet up in London. A very big thank you goes to Accurx who is hosting us in their amazing Shoreditch offices. This will include access to facilities including coffee! 😻☕️ **Want to know more? 👇** As with all CoffeeOps, this is an interactive, chatty, build your own adventure type of meet-up. Instead of booking in experts to *learn* *from*, we gather a group of practitioners to ***learn*** ***with***. We have been running for over 4 years now and often get feedback that this is the most useful meetup people join! The event is approximately 90 minutes and always starts by brainstorming topics to discuss. The group then votes on the most relevant/interesting to them and we then cycle through the topics trying to discuss each deeply, but in a time bound slot. To get an idea of topics, you can check out our remote board [here](https://easyretro.io/publicboard/h404NF84Uje4tCcxpJdHr4Ycs9B3/a4a35d2b-181b-409b-832e-a729be1af79c). The general gist is anything is fair game, though we tend to revolve around software delivery and definitely lean towards the more Ops-y or DevOps-y side of things.

MCP is changing how developers build with AI, but we're just scratching the surface. Join us for an evening of talks that go beyond retrieval to explore what's actually possible when you give agents real tools, real constraints and real APIs. **Agenda** ​6:00 PM - Doors open, registration and networking ​6:10 PM - Welcome (Upsun & Cloudflare) ​6:20 PM - MCP: Context is Everything! - Carly Richmond, Elastic ​6:45 PM - Sandboxes: how to limit agents so we can use them more - Patrick Dawkins, Upsun ​7:00 PM - Break (Food & Drinks) ​7:30 PM - Cooking with MCP in VS Code - Liam Hampton, Microsoft ​7:55 PM - Efficient tools with MCP code mode - Confidence Okoghenun, Cloudflare ​8:15 PM - Open networking and drinks ​9:00 PM - Close 🗣️ ​**Talks** ​**MCP: Context is Everything! - Carly Richmond (Developer Advocate Lead, Elastic)** ​MCP is a powerful tool for giving LLMs capabilities to not just retrieve information, but to automate key actions based on relevant data. Let’s see how it can be used for retrieving relevant context and other activities such as observability. ​**Efficient tools with MCP code mode - Confidence Okoghenun (Senior Developer Advocate, Cloudflare)** ​Traditional MCP approaches choke on context windows: Cloudflare's 2,500+ endpoint API would require 1.17 million tokens. Code Mode flips the script by having LLMs write code against typed APIs instead of making direct tool calls, achieving 99.9% token reduction. Come learn how code mode works and how to optimize your MCP tools with it. ​**Sandboxes: how to limit agents so we can use them more - Patrick Dawkins (Principal Engineer, Upsun)** ​We want our agents to run longer and use more tools, but we're hampered by constant prompts for approval. Sandboxes are the practical middle ground: isolate the agent so you can stop watching every command and let it work. This talk covers what "sandbox" means, who provides them today and the Linux primitives that let you build one yourself. ​**Cooking with MCP in VS Code - Liam Hampton (Senior Cloud Advocate, Microsoft)** ​In this session Liam will show you how VS Code is fully supporting the MCP spec, from MCP Apps to sandboxing and elicitations. 📅 **Date and Time:** Thursday, May 14, from 6:00-9:00 PM 📍 **Location:** Cloudflare Address: 6th Floor, County Hall/The, Riverside Building, Belvedere Rd, London SE1 7PB, UK 👉 You can also register here: https://luma.com/eb8j6lhu ⚠️ Please make sure you provided your full name (no nicknames or abbreviations will be allowed) and to bring your ID card as it will be mandatory to show it upon check-in to security. Entry will be first come, first served. We recommend arriving early to make sure you get in. **⚡️ Interested in giving a talk? ⚡️** Have you ever considered presenting on your Elastic use case? We welcome 5-10 minute lightning talks, 45-minute deep dives, and everything in between. If you're interested, please submit via our [CFP](https://sessionize.com/elastic-meetups/) or send us an email at [meetups@elastic.co.](http://meetups@elastic.co./)

Join us for an informal evening of experimenting, building, and sharing ideas around Umbraco and AI. Whether you're curious about AI-powered content generation, the Umbraco MCP Server, AI-assisted development workflows, or other AI innovations in Umbraco - this is your chance to experiment, learn, and build alongside fellow community members in a relaxed, supportive environment. Bring your laptop, your curiosity, and anything you’ve been meaning to try. You can come with a specific idea, jump into something with others, or just tinker and learn as you go. There’s no strict agenda, just a relaxed space to collaborate, swap ideas, and make progress together. We’ll kick things off with a quick intro, then open the floor for hacking, discussion, and demos. If you end up building something cool (or even just interesting), you’ll have the chance to share it with the group at the end. **EVENT HOSTS** [Novicell](https://www.novicell.com/uk/services/software-development/umbraco/) (Umbraco Gold Partner) have kindly agreed to provide refreshments and host us for the evening in their offices in Shoreditch. If you think you will be making it, please sign up ASAP. Novicell's offices are 21-33 Great Eastern St, London EC2A 3EJ in a building called Fora, approximately an 8 min walk from Liverpool St and Old St stations. If you arrive between 6:00 and 6:15pm there will be someone to meet you in reception with instructions. If you arrive later you might need to phone us to be let in: we shall email all attendees with the contact numbers on the day. **CODE OF CONDUCT** Please read the [Code of Conduct](https://bit.ly/UmbLondonCodeOfConduct) for all our events.

PLEASE READ the event information 👇 **You must have a confirmation to** **attend this event** **Welcome** to the Highest Rated International Language Exchange group in London🏆 with 1600+ reviews rated 5 stars ⭐⭐⭐⭐⭐ Join us every **Friday** for our weekend global language exchange and social 😊🍻🥂 **TO ATTEND THIS EVENT...** 🔘 BEFORE buying your drinks, collect & wear your badge as soon as you arrive 🔘 Have your Meetup confirmation visible on your phone. 🔘Pay the £2 event fee. The event starts at 7pm. **The event fee is £6 if you arrive after 8:30pm** Start meeting the community and having fun...lots of fun! [www.languages.london](www.languages.london) 🇬🇧🇪🇸🇫🇷🇯🇵🇮🇹🇩🇪🇮🇳🇨🇳🇧🇷🇰🇷🇪🇬🇭🇰🇺🇸🇨🇴🇺🇦🇹🇷🇷🇺🇦🇺 **WHEN & WHERE** **The fun** starts at 7pm. We're returning to The Craft Beer Co, St Mary Axe.** **Address: 29-31 Mitre Street, London, EC3A 5BU** [https://maps.app.goo.gl/49HnHGap8hQMbQNWA](https://maps.app.goo.gl/49HnHGap8hQMbQNWA) **HOW WE DO IT** It's simple .... ▶️When you arrive please collect your personalised language badge from us. We'll be waiting to give you a warm welcome 😃 ▶️Wear your badge during the event and always return it before you leave ♻️ ▶️You're expected to buy something from the bar to support the venue, who kindly offer us a dedicated space. 🇵🇱🇹🇼🇲🇽🇻🇳🇧🇬🇵🇸🇸🇪🇮🇱🇨🇦🇳🇱🇿🇦🇭🇺🇹🇭🇵🇪🇧🇴🇳🇬🇳🇿🇨🇭 **WHO** Languages in London events are organised for our community - being social, making new friends, building cultural bridges and always very relaxed. We have the largest number of languages and countries represented in our weekly language exchange and social events in London. This is** not **a dating event. Our events are open to Internationals, Locals, Expats, Students, Travellers...Everyone! Are you an 18 to 24 year old? Come and explore our events. Our events are for a truly global community and citizens from around the 🌎 It's your international language hub in London 💂 Is this the Intercambio you've been looking for? Want to practice your ingles, espanol , francais, italiano, Deutsch, portugues or other European languages? Asian languages ? Or maybe prefer to only speak English.... that's just fine. **All languages and all fluency levels are welcome **Spread the word...Bring your friends, colleagues and family 💚 The creator and organiser of** Languages in London - Girish**, will always be visible at the event and there to support you and help with introductions, if you prefer. We want to remain the BEST language events group in London, being the biggest isn't our focus. These are real events with real people. We don't fill our events with inflated numbers and fictitious attendees 👻 **Inactive community members and those that "no-show" at our events are regularly removed from our group.** **LANGUAGES** Here's a selection of some of the languages that our community speak or have been practicing ... English, Spanish (incl Latin American), French, Italian, Portuguese (incl Brazilian), German, Japanese, Chinese (Mandarin & Cantonese), Russian, Korean, Hindi, Turkish, Arabic, Ukrainian, Polish, Hebrew, Swedish, Bulgarian, Vietnamese, Hungarian, Bengali, Dutch, Catalan, Farsi, Greek, Urdu, Welsh, Romanian, Norwegian, Czech, Slovakian, Estonian, Danish, Finnish, Turkmen, Latvian, Lithuanian, Nepali, Yoruba, Filipino, Thai, Albanian, Croatian, Serbian, Ebo, Afrikaans, Tamazight, Tagalog, Creole, Malagasy, Mongolian, Tok Pisin and more... you get the idea! 🇷🇴🇬🇹🇨🇿🇳🇴🇩🇰🇫🇮🇨🇾🇺🇾🇪🇬🇧🇬🇦🇷🇰🇪🇱🇰🇲🇦🇹🇳🇩🇿🇸🇬🇲🇾 **SUSTAINABLE **🌎🌳 Like you, we really care about our planet. We don't like single use paper name tags, stickers or wristbands as they can't be reused or recycled and can even damage your clothing ☹️ The Solution? Our personalised and completely reusable Languages in London badges! 👍 So, please make sure you return your badge to us, before you leave the event. We'll sanitise it (anti bacterial & disinfectant cleaners) and use it again & again & again. Thanks for helping us do the right thing and keep our costs down🙏 **SAFE SPACE FOR EVERYONE **👮‍♂️ We don't tolerate prejudice or harassment of any kind, at any time. Be polite and respectful to everyone else and they will reciprocate. Let's keep the space safe, welcoming for everyone and free of any political agendas. Please report any concerns to the Organiser immediately. Please look after your belongings, the venue is a public place. We may take photos or video at the event for future promotional use. Let us know if you'd rather not be included, we respect your choice 📸 **SPREAD THE WORD **🗣️💬** If you enjoy our events, please tell your friends and colleagues and help us grow your **community, thank you 💚 Join our community - [https://www.languages.london/](https://www.languages.london/) We're looking forward to welcoming you at Languages in London 😊👋 🇲🇰🇳🇵🇧🇩🇵🇭🇦🇪🇦🇱🇧🇪🇮🇪🇰🇿🇱🇦🇯🇴🇱🇹🇱🇻🇪🇪🇰🇭🇨🇱🇲🇳🇨🇺

✨🎊 Welcome to DSF Big Birthday Bash 🎊✨ THE TICKET BALLOT IS NOW OPEN! Click the link below to enter the ballot 👇 [Click here!!!](https://datasciencefestival.com/event/big-birthday-bash-2026/?utm_source=social&utm_medium=meetup&utm_campaign=bigbdaybash) Join us on Saturday 16th May 2026, for our 12th Festival, at our London home CodeNode, celebrating DSF turning 10, for one day only! Enter the ticket ballot to be in with a chance of attending. 600 lucky people will get to attend this event for free 🎟️ 40 speakers, 4 stream rooms, 14 partners, lunch, swag bags, and an entire day to learn, mingle, and be inspired! Event time: 08:15 AM - 18:00 PM Venue address: CodeNode, 10 South Pl, London, EC2M 7EB Nearest tube station: Moorgate or Liverpool Street Schedule and speaker details are updated weekly [here.](https://datasciencefestival.com/event/big-birthday-bash-2026/?utm_source=social&utm_medium=meetup&utm_campaign=bigbdaybash) Please note this event will not be streamed, so please ensure you apply for a ballot ticket to watch these sessions live. **PLEASE NOTE: CLICKING ATTENDING ON MEETUP DOES NOT GIVE YOU ACCESS TO THIS EVENT. PLEASE FOLLOW THE LINK ABOVE OR BELOW TO REGISTER FOR TICKETS**. Ticketing: Due to the popularity of Data Science Festival events, we are now allocating event tickets via a random ballot. Registering enters you into the ticket ballot for DSF Big Birthday Bash on Saturday 16th May 2026. The ballot will be drawn throughout the month of April 2026. If you have not received a ticket by May 7th 2026, unfortunately, you have been unsuccessful in getting a ticket. Those who are randomly selected will then be e-mailed tickets for the event. Please read how the ticketing works in full here. ([[https://datasciencefestival.com/2024/01/01/dsf-tickets-101-mayday-2024/](https://datasciencefestival.com/2024/01/01/dsf-tickets-101-mayday-2024/)]([https://datasciencefestival.com/2024/01/01/dsf-tickets-101-mayday-2024/](https://datasciencefestival.com/2024/01/01/dsf-tickets-101-mayday-2024/))) Event details: 🎟️ Please bring your ticket (a paper copy or on your phone) to the event to check in with your QR code. Tickets are non-transferable. Arrive before 10:00 AM for guaranteed entry. ☕️ There is no breakfast at the venue, however, there is tea, coffee, and water provided throughout the day. Lunch is also provided. Soft drinks and alcohol can be purchased from SpaceBar at Code Node. ⌚️ Doors will open at 8:15 AM sharp and attendee registration will begin at this time on Saturday 16th May 2026. Speaker sessions begin at 9:00 AM, but please arrive at least 45 minutes before the conference begins, to make sure you enter the event on time. Arrive before 10:00 AM for guaranteed entry. 📛 Please pick up your badge, schedule and SWAG bag at the registration table on the ground floor. 🤝 There will be networking at the Spacebar from 17:00 - 18:00 PM so come and say hello! FAQ will be live in April 2026. Please take some time to review this ahead of the event. Check out last year's DSF Game On here: [https://datasciencefestival.com/event/game-on-2025/](https://datasciencefestival.com/event/game-on-2025/) We can't wait to see you back in person! 👋 **#DSFBigBirthdayBash**

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!

Who else is ready to sit outside? Join us for a casual chat over coffee & tea at Grandview Grind! Come out and meet some new people, enjoy your favorite drink, and make some new friends!

**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

We’re still working to get more people into these Meetups, but our goal is to give PlayYourCourt members a few social tennis outings each week in addition to your practice sessions and Challenge League matches. These Meetups are co-ed, super laid back, and all skill levels are welcome. Post your skill level and a suggested court in the comments section so we can round up as many players as we can for some tennis fun! Also, if you’re looking to meet new practice partners or play some matches and you aren’t already in the PlayYourCourt Community, you can go here to see what we’re all about and sign up: https://www.playyourcourt.com/tennis-community/columbus-oh/meetup/ If you love tennis, we’d love to have you! Be sure and watch the quick video that explains how everything works. Happy hitting! - Scott

**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

Bring your work or your hobby, hang out, and code with us. Follow @buckeyecocoa for more information.