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London Java Community

The home for those who work with Java and the JVM

What is LJC about?

The LJC is a broad community of technologists and other associates with Java and JVM-related technologies. Although it is based in London, UK – it has some international membership due to its global programmes (such as Adopt a JSR and Adopt OpenJDK). The LJC hosts regular events including casual catch-ups in a cafe, hack days, evening talks, unconferences, workshops, mentoring, demos, a career mentoring by London’s
Java specialists and much more.

The LJC acts as a voice for Java engineers in London UK as well as globally. This includes but is not limited to creating Adoptium, the world’s leading OpenJDK distribution, representing Java developers worldwide on the Java standards body, and contributing towards charitable works.

Upcoming Event

LJC Meet-up

The LJC is delighted to continue our new series of events, aimed at giving all Community members an opportunity to present at an LJC meet-up. If you have an interesting topic to share, these events are for you. You don’t have to be an experienced speaker - we want to hear your story and offer you a friendly, informal platform to practise and improve your presentations. For attendees we want this to be a meeting place, where you can talk and network with other technologists in London. If you’d like to speak at a future event, please submit your talk and bio details here: https://sessionize.com/ljc/ Huge thanks to our friends at Couchbase for hosting this event and supporting our Community. Agenda: 6pm Arrivals 6.20 Welcome from Couchbase 6.30 From Values to Pitfalls of Microservices Patterns - Danilo Pereira De Luca, Software Craftsman, ClassPass 7.15 Break for refreshments, kindly provided by Couchbase 7.45 Java Concurrency: A Deep Dive - Part 1 - Liliia Rafikova, Software Developer, Amazon Web Service 8.30 Networking 9pm Event closes Speaker: Liliia Rafikova, Software Developer, Amazon Web Service Talk: Java Concurrency: A Deep Dive - Part 1 Details to follow. Speaker: Danilo Pereira De Luca, Software Craftsman, ClassPass Talk: From Values to Pitfalls of Microservices Patterns Everyone talks about adopting microservices architecture these days, and with it, we have the well-known Microservices Patterns. But let's be honest, have you ever tried implementing any of these patterns in practice? How did that go? In this presentation, I'll share my experiences and lessons learned from embracing the values and facing the challenges of adopting famous Microservices Patterns like CQRS, Saga, and Circuit Breaker in scalable and resilient architectures. You'll learn that adopting microservice patterns isn't just about theoretical application; it involves using a mix of architectural concepts and practices like DDD and API First to implement these patterns effectively. Speaker biogs: Liliia Rafikova, Software Developer, Amazon Web Service I'm an experienced backend software engineer. Having over 10+ years of industry experience with the last 5 years I work on building scalable, highly-available and low latency distributed systems. Main stack: Kafka, Java 17, Rust, AWS Services, SQL/NoSQL databases, Docker Danilo Pereira De Luca, Software Craftsman, ClassPass I am constantly seeking to elevate the software engineering craft through code/architecture concepts and mentorship, helping to foster a culture of innovation and collaboration. With a passion for agile principles and software craftsmanship, I strive to inspire others to push beyond the boundaries of what's possible and unleash their full potential. This event is organised by RecWorks on behalf of the London Java Community. The London Java Community is sponsored by Hazelcast, Vonage, Neo4j, and Discover

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The next event is coming soon!

Our Initiatives

The LJC has many initiatives, all volunteer lead and founded by our organisers and members. Read about our initiatives below.

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The Eclipse Foundation is a non-profit organisation that supports open source software development. It provides a place for developers to collaborate on and innovate open source projects. The Eclipse Foundation also provides services to the Eclipse community, such as IP management, ecosystem development, and marketing.

The LJC has a seat on the JCP and runs the Adopt a JSR programme for Java SE (at OpenJDK), Java ME and Java EE (now Jakarta EE).

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The LJC works on OpenJDK, and co-founded Eclipse Adoptium (the successor to AdoptOpenJDK), the world’s leading FREE OpenJDK distribution!

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The LJC is a founding member of microprofile.io –
a new community around building a defacto set of API’s and implementations for Microservices in Java.

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The LJC is a founding member of Jakarta EE / EE4J – the new home for Java EE at the Eclipse Foundation.

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Sponsor the LJC

The LJC has a multitude of events and global initiatives impacting hundreds of thousands of developers due to the generosity of Recworks, volunteers and key sponsors. You can donate directly or talk to us about a sponsorship package.

Talk to us on Slack

Our LJC Slack group is a vibrant real time community where you can speak with your fellow technologists and world leading experts about topics that matter to you!

barry

Barry Cranford

Founder / Co-organiser

Know More About Us?

Since it’s inception, RecWorks have always invested in and sponsored the London Java Community both in terms of time and money to power the events. Over the years that relationship has now become more official in that for any placement which came through an LJC event, RecWorks now gives a % of all the placements back to the community. 

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Get to know us.
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The London Jamocha Community Interest

6633, 182-184 High Street North,

East Ham

London E5 2JA

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