Hackathons

Come talk maths over a drink or two and maybe a meal. If you have any mathsy puzzles, games or toys, bring 'em along. There'll be a puzzle sheet to solve if you wish, but it's not competitive. No maths background necessary, all welcome. Email melbourne@mathsjam.com to join our mailing list for monthly puzzle sheets. The event is very informal so don't worry if you can't arrive exactly at 7:30pm or have forgotten to RSVP (but please do RSVP if you can!).

Join us for a relaxed LinkedIn networking walk — a casual way to connect with others in a friendly way. This event is only open to people who have an active LinkedIn account. Whether you're working, studying, running a business, or figuring things out, you're welcome here. It's a great opportunity to grow your LinkedIn network and meet like-minded people. We ask that everyone comes with the intention to build genuine connections — not to pitch or sell. Please remember to RSVP to this event if you wish to attend. **Please note:** We won’t accept RSVPs from individuals who have previously breached our group guidelines. **Meeting Point:** Let's meet infront of Timeout at Fed Square at 7 PM. We will be at the meeting point till 7:10 PM before walking. We will finish the walk around 8:30 PM at Fed Square. Please don't be late. Map: [https://maps.app.goo.gl/CnfUeKQ4XQZwkbrb8](https://maps.app.goo.gl/CnfUeKQ4XQZwkbrb8) **Total Walking Distance:** 4km, Easy, mostly flat Cost: FREE Please follow me on LinkedIn for updates: [https://www.linkedin.com/in/cheolsu](https://www.linkedin.com/in/cheolsu) Explore Melbourne is the largest meetup group in Australia with more than 43,000 members. We know these group rules won’t suit everybody, and that’s okay—there are many other groups where you might feel more at home. To keep things safe, fun, and positive, we have 8 simple rules for people attending our events. Over the past 9 years, we’ve removed 342 people (around 0.8%) for breaking them—so please read carefully! ❌ Not a dating group! – We’re here to make connections, not find soulmates. 📵 No phone numbers, please! – Feel free to swap LinkedIn if both parties are cool with it, but please don’t share or ask for phone numbers. Please don’t add people to WhatsApp or other groups. 🔞 Our events are only open to people aged 18 and older. 📢 Please do not advertise other events or groups. 🚗 We don't allow carpooling due to safety incidents/our public liability insurance not covering motor related accidents. 💰 **No sales pitches! – No selling, no MLMs, no pyramid schemes, no “life-changing mentorship” offers—let’s keep things scam-free.** By joining an event, you agree to follow these rules. Breaking them means removal from all our groups—no exceptions. Thank you! **Liability Waiver:** The organizer of this group cannot accept any liability for any loss, damage, injury, or accident to participants or their property at this event. By participating in this event, you're taking responsibility for your safety and well-being. By joining this event, you agree to the liability waiver mentioned here: [https://exploremelbourne.au/explore-melbourne-liability-waiver/](https://exploremelbourne.au/explore-melbourne-liability-waiver/ "https://exploremelbourne.au/explore-melbourne-liability-waiver/")

Hey Shower Singers! Meet us at our new venue the Craftsman's Corner (*313 Lygon St, Brunswick East*) **Please Note:** ACCESS to our rehearsal room requires walking up 2 flights of stairs - there is no lift. You can rock up and and register at the door, or contact us prior if you wish [via our website](https://beyondthebathroom.org/contact-us). We are in person or online, 7.30-9.30pm on Tuesdays. Casual attendance fees are $20 and $15 concession. If it's your first time, please come early so we can give you everything you need for a fun choir session! Looking forward to singing with you soon, BTB

**Topic: Engineering AI Agentic Systems: Decisions, Tradeoffs, and Production Reality** Agenda: 6:00 PM – Networking and refreshments 6:30 PM – Presentation commences 7:15 PM – Q&A 7:30 PM – Networking and refreshments 8:00 PM – Event concludes **Abstract:** Everyone can get an agent working in a weekend. Shipping one to production is a different problem. This talk is a systems engineering lens on agentic AI, starting from the moment a single LLM call becomes a decision loop through the architectural tradeoffs that determine whether it survives contact with reality. We'll cover the control spectrum between deterministic workflows and autonomous agent loops, multi-agent coordination, state management, and what a real control plane looks like beyond rate limiting and logging.We'll also cover the failure modes that don't appear in demos: runaway costs, missing stopping conditions, and observability gaps. You'll leave with a framework that treats human-in-the-loop design, model selection, and control plane engineering as first-class architectural decisions, because agentic systems are not prompt engineering problems. They are systems engineering problems.

Let's escape for a spontaneous, relaxing walk at Blackburn Lake Sanctuary! 🌿 With 4km of scenic trails, we can stroll around the lake, visit the boardwalk, and enjoy the birdlife. Meet at the Visitor Centre car park (off Central Rd) in 30 minutes for a quick loop—perfect to clear the mind. Blackburn Lake Sanctuary +3 When: Today! (Let's meet at [Time]) Where: Visitor Centre Car Park, Central Rd What: A 30-minute to 1-hour easy walk, bird watching. walkingmaps.com.au +1 It’s the perfect, quiet getaway in the middle of the suburbs. Let me know if you can make it! AllTrails

Event Organizers Wanted for this group. Let us know what it is you wish to Organize from time to time. RSVP yes for this meetup or contact the groups Organizer.

We are moving to a new platform and will be only running the new platform in 2025. please signup here: [https://www.downtomeet.com/Melbourne-Writers](https://www.downtomeet.com/Melbourne-Writers) The Wharf Hotel by the river. Southern Cross Station is closest. Ask at the bar to find us. Or call us 0403193785. Tonight's Social Evening Schedule: (Ideas welcome) 6pm to 6.45pm: Socializing​​ 6.45pm to 6.55pm: Introduction and overview of the evening by Jim including go-around introduction​​ 6.55pm to 7pm: A word from Mat our founder​​ 7pm to 7.10pm A paired connection question to get people talking with one another​​ 7.10pm to 7.30pm: Guest Topic: Heath Ryan, a Canadian-Australian is an ultra-endurance cyclist and father who rode 4000k from the UK to Kyiv in Ukraine in 2024 raising funds for a Ukrainian children's charity 'Voices of Children'. He has written and published a number of books focusing on human achievement and social justice. He will talk about his journey. 10 mins talk. 10 mins Q&A. 7.30pm to 8.15pm: Readings section open to all to read out something from their work up to 4 minutes. Feedback optional.​​ 8.15pm to 9.30pm: Socializing. Optional. Many of us love this as a chance to connect personally in a screen-addicted culture. • Come out and meet some like-minded folks who enjoy writing and other entertainment and creative outlets. We'll hang around until at least 8.30pm, but often later. All age ranges, all writing types (and entertainment types), all the way from never writing and up to published authors. • This night is about you. So chat to people, read out your work, give feed back, get to know everyone... Or, feel free to sit back and chill. It's your night, enjoy it how you see fit. **Please only RSVP if you can make it.** **We're booking the area, so we will need you to turn up if you say you are coming.** **We have added an attendee limit, so please update your RSVP if you can not make it.** Thank you, Melbourne Writers. The Wharf Hotel food menu: https://www.wharfhotel.com.au/eat-and-drink Great Links: Facebook: https://www.facebook.com/MelbWriters Website: www.worldwriterscollective.com Twitter: https://twitter.com/MelbCityWriters Blog: http://melbournewriters.wordpress.com **Help us by getting in contact so you can add to these social pages and site - matclarke.author@gmail.com**

**Melbourne Python's Meetup April 2026!** Join Melbourne’s Python community for another night of learning, sharing, and connecting. Whether you’re just starting out or you’ve been coding in Python for years, our monthly meetup is the perfect place to learn something new and connect with fellow developers. This group is for developers, data scientists, web programmers, and anyone passionate about Python. 📅 **When:** 5:30 PM, Thursday, April 23, 2026 📍 **Where:** Judo Bank, Queen and Collins Building Level 26/376-390 Collins St, Melbourne VIC 3000, Australia 👉 [https://maps.app.goo.gl/A9JQTYGrMqGn8AzAA](https://maps.app.goo.gl/A9JQTYGrMqGn8AzAA) **Note:** The entrance is next to Rustica Cafe. Press level 26 when you arrive, and you'll find us there! **Agenda for the Evening** **5:30 - 6:00 PM**: Networking **6:00–6:10 PM** : Welcome and logistics 🎉 **6:10–6:35 PM** - **Talk 1:** Geoff Matheson - Learning Specialist Heathmont College/Digital Technologies Subject Matter Expert at Department of Education on Streamlit in the Secondary Classroom. In this session, Geoff will share his experience using Streamlit and GitHub Codespaces to teach Python to Year 10 and VCE Data Analytics Year 12 students, covering what made it work, the obstacles to watch out for, and how quick-reward tools can drive engagement in secondary education. **6:35–6:45 PM**: Break – Connect with someone new! **6:45**–**7:45 PM** - **Talk 2:** **EMPLOYER'S PANEL.** HR staff from some of the city's biggest Python companies will be taking questions about the Python job market here in Melbourne: We've got Bureau of Meteorology for science and government, MYOB and JudoBank for data/finance, and Kogan for ecommerce. Here's your chance to ask anything you've been wanting to know. **8:00 PM**: Event concludes 🌟 **Special Thanks** 🌟 A huge shoutout to our sponsors **Judo Bank**, **AWS** and **Neo4j** for making this meetup possible. Your support means the world to us! **Interested in Speaking or Sponsoring?** We’d love to hear from you! Email us at **melbournepython@gmail.com** or fill out our speaker interest form at https://forms.gle/S5T1SL4ULY5aogf47. We can't wait to celebrate Python and the incredible Melbourne community with you. See you on April 23! 🎉

**\*\* NEW VENUE \*\*** Room 080.02.002 at RMIT (Building 80) - 445 Swanston St, Melbourne **\*\* NEW VENUE \*\*** [Discord Event Info](https://discord.com/events/1347056412529791047/1477841544907325591) **Practical TLS Exploitation** - **Leo (@flerm_)** In this talk, I'll break down a well known TLS attack with a live demo, walking through how it works under the hood, the exact technical conditions it needs to succeed, and how to quickly assess whether a TLS finding is an academic curiosity or a real risk worth exploring. **Pwning Redis with Really Dumb Bugs** - **joseph** **(skateboarding dog)** At the end of 2025, members of skateboarding dog participated in the zeroday.cloud 0-day competition, successfully targeting post-auth Redis, a popular database software. In this talk we discuss the discovery and exploitation of several of the bugs we found that lead to remote code execution. **Streaming** If you can't attend the event in person the talks will be streamed in the "ruxmon-stream" voice channel in the Ruxcon Discord in the day of the event! (join now by clicking here: [https://discord.gg/g2CpEbkXmM](https://discord.gg/g2CpEbkXmM)

We are meeting in the board-room of the 55th floor of 318 Russel Street (The Abode). When you arrive call me on 0447 591 141 and I'll come down and get you. ## **🛠️ Meetup Format (2 hours)** **⚡ Project Intros (5 minutes total)** Each participant gets **1 minute (hard stop)** to briefly share: * What they’re building * What they want to focus on today **🚀 Build Sprints (90 minutes total)** We’ll run **three focused build cycles**: * **25 minutes** of deep, uninterrupted building * **5 minutes** of casual chatting, sharing progress, and asking questions **🎤 Demos & Wrap-up (10 minutes total)** Each participant gets **1 minute (hard stop)** to: * Demo what they built * Share learnings or next steps This format balances **deep focus**, **collaboration**, and **show-and-tell**, while keeping things lightweight and fun.

Hi Guys, With Anzac Day on April 25, lets watch the Anzac Day march/parade and then later have lunch at the food court at South Gate afterword. For those who have not been, the ANZAC Day march is a really special event. For those who wish to watch the march/parade, we will meet at 10am at the Floral Clock (see map pin and image below). Look for the really tall guy – that’s me. (I'll most likely be wearing a blue Australia hat). At around 10:15, we will find a spot to watch the parade for about an hour/hour and a half. We won't be too far from the Floral Clock. At around 12pm or so (maybe 12:30pm), we will head over to the South Gate food court. For anyone who just wants to come to the lunch after, we will arrive at the South Gate Food Court at around 11:45am or 12pm. Should be all finished by around 1:45pm. Notes: **(1) Please Bring Suitable clothes** depending on the weather forecast (coat/umbrella/hat etc.) **(2) Allow extra time for arriving there**. Parking can be difficult. Public transport can be easiest option but remember there are no trams running down St Kilda Road because of the parade. Also, if you are on the opposite side of St Kilda Road to the meeting point, it may take time to cross because of the parade (usually, they don't allow you to cross the road while the parade is on, but sometimes they do). **(3) Call or text me** on 0437 595 848 if you are having trouble finding us. (4) During our lunch, we will have a short discussion with the topic 'What does ANZAC Day mean to you? What do you think of sacrifice and service?'

Ready to ride the vibe? Join us for **Vibe Hack** – a free workshop where you'll learn to build real, practical apps using AI-powered vibe coding tools. **No experience needed**, just curiosity and good energy. Whether you're a small business owner, creative professional, or lifelong learner, this **hands-on session** will help you turn your ideas into digital solutions. Come discover that "I can do this!" feeling in a welcoming, energetic space where everyone belongs. Bring your laptop, build something awesome, and connect with the Vibe Club community.

* **Topic:** Journey to Open Lakehouse * **Date:** Thursday 23rd April 2026 at 6.00 pm - 8.00 pm * **Networking:** 6 pm - 6.30 pm and 7.20 - 8 pm * **Presentation Time**: 6.30 pm - 7.20 pm *(includes welcome, presentation 30 mins & community marketplace)* * **Location:** Thoughtworks HQ Level 35/360 Collins St, Melbourne VIC 3000 * **Ticket:** Free of cost, however, registrations and RSVP are required! * **Sponsor:** Thoughtworks **Journey to Open LakeHouse** This session explores the practical realities of migrating to an Apache Iceberg lakehouse to reduce analytics costs and minimise vendor lock-in. We’ll cover architecture choices, migration pitfalls, operational lessons, and the measurable outcomes of adopting open table formats. Ideal for data engineers, platform teams, and architects evaluating the next evolution of their data stack. **About The Speaker** Karel Alfonso is a Software Engineer with experience working with reputable organisations, including Block and Thoughtworks. He studied in Havana before moving to Australia around twenty years ago, where he has built a strong track record in software delivery, distributed systems, data platform engineering, real-time streaming, and technical leadership. Karel is known for his collaborative, friendly approach and is highly regarded within the data engineering community. He has presented at FlinkForward Seattle 2023, Programmable 2023, 2024 and other community meetups. We’re excited to bring the Data Engineering Melbourne Meetup group together for an evening with Karel and his insights!

Join the Melbourne TED Talk Community for an engaging session and meet people who like being an ideator, who want to bring their voice to a larger community. In contrast to a typical public speaking training event, where you receive feedback on your amms and aas and the way you present, this goes beyond that. **The objective of this community is to get inspired by some of the best ideas serving humanity, find your own calling and voice, be an ideator, and share your ideas clearly and persuasively.** The talk we will play is one of the amazing talks from the TED Library. In this session, we will delve deeper into the topic and gain perspective, and learn from each other. Be prepared to network, engage in meaningful conversations, and embark on a journey of professional development and leadership growth. **Mark your calendars and don't miss this opportunity to refine your public speaking abilities with the Melbourne TED Talk Community!** **TED Talk link to watch together:** **TBA** **Agenda (as a guide)** 6.00 PM Registration 6.10 PM Introduction by Attendees 6.20 PM 10 min talk on screen (optional) 6.30 PM Breakout session (Group / Individual) based on topic 6.45 PM Individual / Group shares their takeaways 7.00 PM Practice the Art of Public Speaking - 2-3 talks of 2.5 minutes 7.10 PM Feedback to the Presenters and overall session 7.20 PM Event Concludes & floor opens for Networking **Fees: The event has a $5 contribution towards hiring the hall and Audiovisual. This can be paid through PayPal at the time of registration.** Looking forward to seeing you there. The Organisers Raj

**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

AI is changing how art is made. But when does it stop being your work and start being the machine’s? This month we're going to be doing a panel with with digital image, music, and written word artists, talking about at what point, while using AI in the creation process, does the work become not the artist creation? We encourage audience participation during this event that will be moderated by Chris Slee. Whether you’re deep in the field or just getting curious, come connect with others building and exploring AI in Columbus. Sponsored by [Transform Labs](https://www.transformlabs.com/services) Sign up also accessible via [Transform Labs Luma](https://luma.com/55umjqta)

Join other experienced and aspiring agile coaches and professionals to: * develop and practice your coaching skills in a peer-to-peer environment * share current successes and challenges in your work environment and get support from each other * learn from each other, build better relationships and experiment with new ideas ***NOTE:*** Pre-registration is required for this event. **Please arrive 10 minutes early** to check in at the security desk.

Jimmy V's Grill & Pub in Grandview Heights. You are responsible for your own meal/drinks. We usually don't have any agenda other than eat, drink and talk. :) If the weather is nice we will be on the back patio, otherwise we are in the cigar room. This group has been meeting every Tuesday evening for over a decade. Many attendees do not RSVP on meetup. Please don't let the small number here discourage you. Anyone/everyone is welcome to come. We'd love to have you join us. COTA bus #5 comes to W. 5th and Wyandotte Rd. And it's a minute walk to the restaurant.

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

Jimmy V's Grill & Pub in Grandview Heights. We meet in the bar in the room on the right (the cigar shop). You are responsible for your own meal/drinks. We usually don't have any agenda other than eat, drink and talk. :) If the weather is nice we will be on the back patio, otherwise we are in the cigar room. This group has been meeting every Tuesday evening for over a decade. Many attendees do not RSVP on meetup. Please don't let the small number here discourage you. Anyone/everyone is welcome to come. We'd love to have you join us. COTA bus #5 comes to W. 5th and Wyandotte Rd. And it's a minute walk to the restaurant. *** Did you know that there are atheists everywhere?!?! You may not know it, but we are! We're in your schools, diners, police force, military, government, and some are even still in your churches! So come and join us and meet other local atheists, along with agnostics, heathens, humanists, skeptics, and anyone else who's 'hell bound'! Vision: a Central Ohio that accepts atheism as a viable alternative in all areas of public and private life. Mission: grow, support, and provide community for atheists in Central Ohio. Social meetings held most Tuesdays at a local pub/restaurant at 7:00 PM (and often into the wee hours). Attendees call themselves agnostics, skeptics, humanists, non-theists, deists or even theists. All attendees are welcome but should support our vision. Atheists of Columbus (AoC) is part of Omnipresent Atheists (OA). AoC members are invited to join this OA meetup and/or OA Facebook group ( https://www.facebook.com/groups/omnipresentatheists/ ) but are free to continue conversations on the AoC Facebook group ( https://www.facebook.com/groups/columbusatheists/ ). AoC was founded in 2012 as a networking, social group for Central Ohio area humanists, skeptics, atheists, agnostics, nonbelievers, freethinkers, and the curious. It was a member of Columbus CoR and held weekly meetings, mostly on Fridays, for several years but then operated as an online only group for some time. In November 2018, Omnipresent Atheists (OA), a group that routinely meets on Tuesdays, invited AoC to merge. Omnipresent Atheists is a member of the Columbus Coalition of Reason (ColumbusCoR.org). Omnipresent Atheists is a member of the Columbus Coalition of Reason ( http://www.ColumbusCoR.org ). Omnipresent Atheists endorses the mission of the Secular Coalition for America ( http://secular.org ).

**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