Software Security

Elixir London Meetup; February 2026 edition. All are welcome. **Session 1: Anton Borisov - Distilling Kafka's Binary Protocol into Elixir** We'll trace a produce request to show what any Kafka client has to get right. In the BEAM ecosystem, erlkaf wraps librdkafka, brod implements the protocol in Erlang, and [kafka_ex](https://hex.pm/packages/kafka_ex) goes pure Elixir. Kafka_ex's approach is to generate serializers at compile time from Kafka's own schema definitions: plain structs, pattern matching, structural boilerplate isolated from the logic you actually think about. That design is what let us jump two major versions ahead and adapt to significant protocol changes. Let's dig into the idea, the code, and the tradeoffs. **Session 2: Evadne Wu** **\- JavaScript Execution Strategies in Elixir\-based Agent Frameworks** We'll look at integration points between elixir agents (in the AI fashion) and JavaScript execution, and all the foot guns involved. *The event is kindly sponsored by* [Fresha](https://www.fresha.com). **Time** Doors open at 18, start at 18.30. **Venue** Fresha The Bower, 207-211, Old St, Tower, London EC1V 9NR **Refreshments** Food and drinks will be provisioned on the day. **IMPORTANT**: **If you wish to take photos and post online during the event, please notify organisers first, so that attendees can opt-out from being in photos.**

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.

**Please register on [Eventbrite](https://www.eventbrite.com/e/ljc-meet-up-at-tessl-java-and-gen-ai-jvm-agents-with-embabel-tickets-1985712292922) to join in-person.** **About this event** vJUG Connect is teaming up with the London Java Community for a special evening exploring the future of Java in the age of Generative AI. Join us both online and in London for a deep dive into how JVM developers can lead the next wave of innovation with agent-based systems. We’re excited to host Rod Johnson, creator of Spring, as he introduces Embabel, a new framework designed to push Java and Kotlin to the forefront of agentic AI. From building safe, testable, and enterprise-ready AI agents to rethinking how Java fits into the Gen AI ecosystem, this session will give you a front-row seat to what’s next. Whether you join us virtually or in person at Tessl HQ, expect an evening of cutting-edge ideas, practical insights, and great conversations with the Java community. Can’t make it in person? Join us virtually, register here: [https://luma.com/s9rp5nem](https://luma.com/s9rp5nem) **Agenda:** ​6:00pm – Doors open (live stream begins on YouTube with vJUG) ​6:45pm - Kick off and message from our partners ​7:00pm – Session kicks off Java and Gen AI: JVM Agents With Embabel by Rod Johnson (Spring Creator) (live stream ends) ​8pm – Networking 9pm – Wrap-up **​Java and Gen AI: JVM Agents With Embabel by Rod Johnson (Spring Creator)** Since the emergence of Gen AI, it's become obvious that agents will be a big part of our future as both technologists and citizens. Building predictable, safe, manageable, testable agents that integrate with existing enterprise systems is critically important to us all. ​In this session, Rod Johnson will show how JVM developers can be central to unlocking the business value of agentic AI, using the Embabel agent framework: [https://github.com/embabel/embabel-agent](https://github.com/embabel/embabel-agent) Embabel is an innovative framework for Java and Kotlin developers, seamlessly integrated with Spring. Built in Kotlin, it aims not to play catchup with Python frameworks like Crew AI, but to leapfrog them to be the best agent framework, period. ​Embabel innovates in several ways. It introduces a planning step that maximizes autonomy while maintaining determinism and safety. It is type safe, ensuring excellent toolability and avoiding errors in prompts. It enables developers to use a rich domain model, defining not just types but behavior exposed to user code and to LLMs as tools. ​ Read more about the [vision](https://medium.com/@springrod/the-embabel-vision-967654f13793?utm_source=luma); and also the call to action for Java developers in recent Devoxx keynote: [https://www.youtube.com/watch?v=dbx1_P7W1DM](https://www.youtube.com/watch?v=dbx1_P7W1DM&utm_source=luma) **​Rod Johnson, Creator of the Spring Framework and Embabel Agent Framework** ​ Rod Johnson is a developer, author, entrepreneur and advisor. He is the creator of the Spring Framework and Embabel agent framework. ​Twitter: [https://x.com/springrod](https://x.com/springrod) ​LinkedIn: [https://www.linkedin.com/in/johnsonroda/](https://www.linkedin.com/in/johnsonroda/) Huge thanks to our friends at Tessl for sponsoring this event and supporting our community. This event is organised by [RecWorks](https://recworks.co.uk/) on behalf of the London Java Community. The London Java Community is sponsored by Hazelcast, Neo4j, Redis, and Discover You can see our latest jobs [here](https://recworks.co.uk/java-developer-jobs-london/) You can see our privacy policy [here](https://recworks.co.uk/privacy-policy/) Continue the conversation at our Slack Group: [https://londonjavacommunity.slack.com](https://londonjavacommunity.slack.com/) Sign up here if you're not a member: [https://bcrw.typeform.com/to/IIyQxd](https://bcrw.typeform.com/to/IIyQxd)

PHP London Pub Social – April 9th, Jack Horner, Tottenham Court Road Join us for an informal PHP London pub social at the Jack Horner on Tottenham Court Road! We've got a reserved space from 6:30pm to 8:30pm on Thursday 9th April - a mix of seating and standing with a few tables. This is a relaxed, no-agenda evening — just good conversation with fellow PHP developers over a drink. Whether you're a long-time community regular or coming along for the first time, all are welcome. Places are limited.

The Databricks London Meetup is back after a short break, and we’re looking forward to bringing the community together again for another friendly, in-person evening of data, AI, and good conversation. Join us for a relaxed meetup where data and AI professionals can swap ideas, hear a couple of practical talks, and meet others working with Databricks in the real world. Whether you’re deep into the platform already or just keen to learn from the community, this is a great chance to pick up something useful and meet some excellent people along the way. This session will include the latest Databricks updates, a practical talk from the Advancing Analytics team on how they used Lakebase to power AI projects, and time for questions with the Databricks team before we round things off with pizza and networking. **17:30 - 18:00:** Arrival & Networking **18:00 - 18:10:** Opening Remarks & Introductions **18:10 - 18:30** What’s New in Databricks - Simon Whiteley **18:30 - 19:00** Building Better AI Projects with *Lakebase* \- Toyosi Babayeju from Advancing Analytics **19:00 - 19:15** Q&A with the Databricks team **19:15 onwards:** Pizza, Drinks & Networking *Join us for a fantastic evening of learning and networking at the London Databricks meetup!*

**Dead Product Society \| After Work Drinks** Come along, bring a friend/colleague or two and join us for a relaxed evening of informal product and tech chats over a few drinks and doughnuts. We aim to connect everyone without awkwardness or LinkedIn spiel, and value good conversation over boring presentations. **Who is welcome?** Product Managers, CEOs, UX/UI Designers, Developers, Scrum Masters etc. We welcome anyone who works in, with or wants to break into product. *Note: We intentionally keep our After Work Drinks on the smaller side to allow for more in-depth conversations.* **The Bike Shed** We'll be hanging out in the lounge area (behind the area with all the tables, next to the store). \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- **Dead Product Society** Dead Product Society is a collective of like-minded professionals sharing real-talk and joining forces to navigate the twists and turns of the product world. Our down-to-earth community is for anyone who works in, with or wants to break into product teams regardless of their background or experience. **Our Sponsors** Shout out to our generous sponsors at Waggel Pet Insurance; Lifetime pet insurance, simplified. With their support we are able to host these events for you and create a space for those important, honest conversations.

Kick off your week with music, movement, and great vibes. Come solo or with friends—no partner needed! **Schedule (This Sunday):** • 6:00 PM – Free Bachata Taster • 6:30 PM – Bachata Classes (3 Levels) • 7:30 PM – Salsa Classes (3 Levels) • 8:30 PM–23:00 AM – FREE Social Dancing (Salsa, Bachata, a touch of Kiz) **What to expect:** • Friendly teachers, clear level splits, and lots of practice time • Great music and a welcoming crowd for all levels—absolute beginners to improvers • Central location, easy transport, and good vibes all night **Why social dancing is good for you:** Social dancing is a fun workout that boosts your cardio, coordination, and posture—without feeling like “exercise.” It reduces stress, fires up your brain with musical timing and footwork patterns, and improves confidence through gentle challenges and quick wins. Dancing with different partners builds connection, empathy, and communication skills (you literally learn to “listen” with your body). It’s also an incredible way to make friends and feel part of a community—one song at a time. Good to know: • No partner or experience required • Wear comfy shoes, bring water, and arrive a bit early for level check-in • Classes start right on time—don’t miss your warm-up! Price: £10 one class £15 two classes 6:00 PM class is FREE intro to bachata RSVP now so we can plan levels and floor space. See you on the dance floor! 💃🕺

Every day you look at the news on your phone and you are shown a perspective on multiple events, vivid pictures, videos, and explanations that decide for you what to think. When you come out of your bubble and try to talk to others, you realise they have the wrong perspective. You assumed they saw the same undeniable evidence you did, with the same explanations. But each person is shown a perspective tailored to them, believable and convincing from where they stand. We moved from relying on our own eyes, to gossip, to the printing press, to radio and TV, and now to news customised to each individual. We moved from Plato's Cave, where we were all chained side by side experiencing the same shadows, to isolation, each of us with our own unique shadows. In Plato's Cave they were wrong together. Are we more lost being wrong alone? Is your bubble protecting you or trapping you? Can we build a shared world if we can't share a shared reality? Learn more about [the allegory of the cave](https://en.wikipedia.org/wiki/Allegory_of_the_cave). \*Please do your own research and share resources related to this topic in the comment section\* #======# Donation! Thank you for being a member. I have made a donation page for those who want to help with the costs. [https://examinedlife.uk/donation/](https://examinedlife.uk/donation/) #======# Group chat We have a telegram group chat and here is a link for the front door: [https://t.me/+o9T9DL5u6AcwMmRk](https://t.me/+o9T9DL5u6AcwMmRk) #======# The Examined Life, "Let's Discuss..." session is an open discussion. The format of this event will be: 13:15 - Free flow group discussion about the topic. 14:00 ish - We will be splitting into smaller groups for more engaging discussion about what interests each of you. 16:00 - End of the official meetup. Most often attendees stay and continue discussing up to around 18:00. #======# Please RSVP if you can commit to attending and change your RSVP if something comes up. Inaccurate RSVPs can keep potential attendees on the waiting list and makes it difficult to plan for room sizes and bookings. Art work: Platos Allegory of the Cave 1604 by Jan Saenredam

Wine Not? is a women-only gathering before the Balancers Saturday social. Most attendees come solo, so it’s an easy and welcoming place to meet people and settle in before the night gets busier. London can make meeting new people feel awkward, especially if you're coming alone. This early social creates a comfortable environment where you can chat, laugh, and get to know a few friendly faces first. Expect a relaxed atmosphere, a few light games, and plenty of time to connect naturally. Around **8.30 pm the main Balancers social begins**, and the room fills as over **150 people usually join the night**. Wine Not? naturally flows into the rest of the evening, so you’re welcome to stay and enjoy the full experience. Coming solo is completely normal. Our hosts will be there to help everyone feel comfortable, included, and connected from the start. **Check out our past events here:** **[https://www.instagram.com/_balancers/](https://www.instagram.com/_balancers/)** **Want to stay in the loop? Join our WhatsApp community: [https://chat.whatsapp.com/IJKXDkwUTlmDsYTOCIUg7O](https://chat.whatsapp.com/IJKXDkwUTlmDsYTOCIUg7O)** *Remember, our pillars are Openness, Respect, Kindness and Authenticity. Attendance at this event is subject to our [Code of Conduct](https://www.balancers.app/code-of-conduct) and [Terms of Service](https://www.balancers.app/term-of-service). By joining, you may receive emails about Balancers events and community updates. You can unsubscribe at any time.*

Hi friends, Off to a great start! Our first event made one thing clear, we got together because we all agree it’s surprisingly hard to meet others in our field outside of work or a commercial conference. As a smaller group, we make meaningful connections with like-minded actuaries and quants. Lifelong friendships are forged along the way! Whether you're a veteran, a rising star, or simply new in town and want to expand your social circle, get into the insurance and banking space, or see a friend you know, this is the place to be! No guest speakers nor rigid agenda, just a casual meetup and lots of fun conversation! 🥳 We're also on Luma, so please follow us there too! [https://luma.com/friendly-actuaries](https://luma.com/friendly-actuaries) See you soon! NOTE: Please remember to bring your ID with you, as all guests must be of legal age to enter the venue. **About Us** We're a sister group of [The Friendly Data Meetup London](https://www.meetup.com/the-friendly-data-meetup/?eventOrigin=home_groups_you_organize), a bootstrapped 2000+ person group (and still maintains that small cozy vibe!). This one is focused on actuaries and quants :D 🤗 Welcome actuaries, quants and friends! Sometimes, it can be difficult to make friends within the field, and that's what we're all about! We're a group of like minded individuals who understand the highs and lows of working in finance and insurance. ✅ Our primary goal is to have higher quality conversations that are more meaningful, with smaller groups so that we get to spend more attention on each individual. 💯 If you're already reading this, you're definitely welcome! We welcome everyone, whether you're already in the field, looking to get started or just curious! 🗨️ Bring your friends, bring your plus ones, we're all just here to have a good laugh and a good chat about the world, even if it isn't always about our work. **Our values:** 📖 Openness - We welcome everyone 🤝 Trust - Build long-lasting friendships together 💝 Care - Be kind to others and help each other out **Who it's for:** \- Life Actuaries \- Non\-Life Actuaries \- Health Actuaries \- Pensions Actuaries \- Reinsurance Actuaries \- Quantitative Analysts \- Quantitative Traders \- Investment Bankers \- Portfolio Managers \- Financial Engineers \- Entrepreneurs\, Contractors \- Anyone who works with Insurance\, Pensions\, Hedge Funds\, Investment Banks\, Asset Managers etc\. \- Anyone looking to get into the space \- Friends **How to Make the Most of the Meetup** The Friendly Meetup for Actuaries and Quants has one simple purpose: meaningful connections. We're not just a community of people, we're friends who get invested in each others lives. We check in on our friends regularly, and personally. So come and join us, more than just once or twice! **Code of Conduct:** The Friendly Meetup welcomes all genders, nationalities, ethnicities, backgrounds, identities etc. There is a strict no discrimination policy in adherence to our code of conduct and our guiding principles. We maintain a zero-tolerance policy for hateful or antisocial behaviour. In short, be kind to others. Do not insult or put down others. Behave professionally, don't make others uncomfortable. Remember that harassment and sexist, racist, or exclusionary jokes are not appropriate for The Friendly Meetup.

\*\*Fadi K & F K Dance team - present The best Salsa Night the UK has ever seen. **With FREE INTRO SALSA CLASS at 7:00PM** & Free Entry All Night !! Classes 7:00 PM - FREE INTRO TO SALSA CLASS This Class is an introduction to our regular 2 hours salsa classes run every Thursday 7:30 & 8:30 **CROSS BODY SALSA** 7:30 Level 1 & Level 2/3 8:30 Level 1, Level 2 & level 3/4 Beginners / improvers / intermediate **Teachers** ▪️Fadi K & Cristina Varga ▪️Camy Marina ▪️Tiffany Salsera ▪️Chris diamond ▪️F K Dance Team & Guests on Rotation DJs ▪️ Fadi K & Guests on rotation PRICES £10 FOR 1 CLASS £15 FOR 2 CLASS A night brought & created by dancers to the dancers. Great dance floor / Happy hour / ultimate location & late party till 11am. More info 07907945534

Join us for an engaging panel discussion on **AI Agentic Coding** and how autonomous AI systems are transforming the way software is built. Experts in AI, software engineering, and developer tools will share insights on how agentic AI—systems that can plan, reason, and execute coding tasks—is reshaping modern development workflows. The discussion will cover topics such as AI-assisted development, productivity gains, challenges around reliability and governance, and what the future of software engineering may look like with AI agents as collaborators. Whether you’re a developer, tech leader, or AI enthusiast, this session is a great opportunity to learn, ask questions, and explore how agentic AI is redefining coding

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/

**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

Come out to Improving for our monthly iOS and Mac meetings. This Month's Presentation: Nothing yet. (You should volunteer). What is Cocoaheads (http://cocoaheads.org/)? CocoaHeads is a group devoted to discussion of Apple Computer's Cocoa Framework for programming on MacOS X and iOS (including the iPhone, iPad and Apple Watch). During monthly meetings, members present on their projects and offer tutorials on various programming topics. What is BuckeyeCocoa (http://buckeyecocoa.org/)? BuckeyeCocoa is a group of Objective-C/Swift developers/enthusiasts. We host monthly Cocoaheads and near-weekly NSCoder meetings in Columbus, Ohio. The meetings are free to attend. Presentations! Presenters welcome! We are always in need of people willing to present material. Any Swift and/or Objective-C related topic is welcome. Times can be 5 minutes (i.e. lightning talks) to a maximum of 2 hours. Interested? Contact info is on the BuckeyeCocoa website. To volunteer for a presentation contact us at @BuckeyeCocoa on Twitter. Follow us on Twitter! @BuckeyeCocoa (https://twitter.com/#!/Buckeyecocoa/) For more information: http://buckeyecocoa.org/

The global Azure community is coming together again, and Columbus is officially on the map. View the session lineup and speakers at [Global Azure Columbus 2026](https://coazure.github.io/cbus-global-azure-2026/) On **Saturday, April 18, 2026**, the Azure Columbus Meetup, DevOps Meetup, and Code and Coffee Meetup are hosting our local edition of Global Azure 2026. This is a free, community-driven event packed with learning, networking, and all things Microsoft Azure. Whether you’re building modern cloud-native apps, experimenting with AI agents, deploying containers, automating infrastructure, or just beginning your Azure journey, this event is for you! **What to Expect** * Engaging technical sessions * Real-world Azure architecture & cloud-native patterns * AI, agents, automation, and modern DevOps * Food and drinks (because learning burns calories) * Time to connect with fellow engineers, architects, and cloud enthusiasts **Who Should Attend?** * Software engineers (any language, any stack) * Cloud architects * DevOps engineers * Data professionals * AI explorers * Platform builders * Anyone who loves solving hard problems with great tools If you build, deploy, automate, scale, monitor, or optimize in Azure, you’ll feel right at home. **Why Global Azure?** Global Azure is a worldwide community event where Azure user groups host learning sessions on the same day across the globe. It’s grassroots. It’s technical. It’s practical. And it’s powered by people who genuinely love sharing what they’ve learned. And yes, it’s free to attend!

**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