J-Fall 202253 Videos

J-Fall 2022: Kelly Jille – Be ‘Mr. Miyagi’ or find one! A talk about the power of mentoring

Mr. Who? Besides one of my childhood heroes, Mr. Miyagi is a fictional karate master from Okinawa, Japan, in the movie serie ‘The Karate Kid’. He was the karate mentor of several people and made them worthy champions. I wanted that too! So began my own karate journey with my own sensei (mentor). Later, I […]

TEQnation

December 4, 2022

2

J-Fall 2022: Steffan Norberhuis – A practical guide to designing your AWS Architecture

AWS has a huge product catalog, resulting in information overload when you try to begin. How do you know where to start? I will take you on a step-by-step journey on how I approach AWS Architecture. In every step, I will show you the necessary considerations, how to make decisions about your design, and back […]

TEQnation

December 4, 2022

2

J-Fall 2022: Bert Jan Schrijver & Brian Vermeer – J-FALL Official Opening

The grand opening of J-Fall 2022 by the NLJUG board.

TEQnation

December 4, 2022

2

J-Fall 2022 – Sander Moelands – Realtime Warehouse Analytics at Picnic with TimescaleDB

Running a warehouse is a complex operation. Keeping an overview of an almost ant like colony which ensures a timely delivery to customers, combined with just-in-time product delivery by suppliers, requires solid operational insights. At a fast growing scale-up with highly automated processes, we can’t do without realtime, reliable and flexible metrics. In this session […]

TEQnation

December 4, 2022

3

J-Fall 2022: Nataliia Dziubenko – I built my own JVM language. Here’s why and how

Have you ever wondered, what your compiled code looks like? What do these bytecode instructions do? What are all these JVM languages about? I was really curious about all this myself. That’s why I ended up building my own JVM programming language. I wrote the compiler in Java, using ANTLR for building the parse tree […]

TEQnation

December 4, 2022

1

J-Fall 2022: Michael Krimgen – 8 Java quirks in 16 minutes

In this session we’ll look at 8 Java quirks that might be surprising at a first glance. First we’ll look at a code snippet with apparently “wrong” behaviour and then look at why things are as they are.

TEQnation

December 4, 2022

3

J-Fall 2022: Urs Peter – Event-Driven Microservices = Microservices Done Right

Are you slowly getting this uncomfortable feeling that Microservices might have brought you more trouble than relief? Have your Microservices turned into a landscape of distributed monoliths, tightly coupled and tangled, where a failure of one service cascades to many others? Then it’s the highest time you get acquainted with Event-Driven Microservices that catapult the […]

TEQnation

December 4, 2022

2

J-Fall 2022: Sven Peters & Helen Scott – The Hitchhiker’s Guide to a Great Developer Career

As developers, our job is to write great code, test code, deploy code, fix code, and even delete code, but nobody told us that there is much more to it if we want to have a great developer career. In this talk, Sven and Helen will share their successes and failures during their 20-year careers […]

TEQnation

December 4, 2022

1

J-Fall 2022: Robert Scholte & Mary Gouseti – Open discussion: Premises and promises of code review

Are the code reviews always about hunting for mistakes or patiently waiting for someone to say LGTM? Have you ever wondered if this is really worth your time? You are not alone, we understand. There’s no achievement for making the most review comments and the value of code reviews is often overlooked. It doesn’t have […]

TEQnation

December 4, 2022

3

J-Fall 2022: Sohan Dasgupta – GraphQL-ify your APIs

GraphQL is query language for APIs, but what are the advantages and how would one implement such in their microservices/APIs. In this session, I will go through the basics of GraphQL, different aspects of GraphQL and architecture of such APIs. There will be demo/live-coding on, how 4 different ways we can implement GraphQL for a […]

TEQnation

December 4, 2022

2