#whoami
M.-Leander Reimer is managing director and CTO at QAware GmbH. He is a senior software developer and architect with several years of experience in designing complex and distributed system architectures. He is continuously looking for innovations and ways to combine and apply state-of-the-art technology and open source software components in real-world projects. He studied computer science at Rosenheim and Staffordshire University and he is teaching software quality assurance as a part time lecturer.
2025
- Architecting and Building a K8s-based AI Platform
All in Kubernetes Meetup, March 2025 - Mapping ISO27001 to Modern Software Engineering: Secure by Design
JFokus, February 2025
2024
Videos
- Down the Ivory Tower towards Agile Architecture @ Devoxx UK
- kubectl apply -f cloud-Infrastructure.yaml with Crossplane et al.
Conferences
- Java-basierte KI auf Kubernetes: Von der Entwicklung bis zum Deployment mit Leichtigkeit
SEACON, December 2024 - Von Multi-Cluster bis Hybrid-Cloud: Flexibles Kubernetes-Scheduling mit Karmada
Continuous Lifecycle, November 2024 - Boosting AI Innovation: Wie AI-Plattformen helfen, eure Use Cases auf die Straße zu bringen
Continuous Lifecycle, November 2024 - Turbocharging AI Innovation: How AI Platforms Enable The Bulletproof Deployment of GenAI Use Cases
Software Architecture Gathering, November 2024 - Turbocharging AI Innovation: Wie AI-Plattformen helfen, GenAI Use Cases zuverlässig auf die Straße zu bringen
KI Weißwurst Frühstück, Oktober 2024 - Microservice-Kommunikation entmystifiziert: Von REST zu gRPC und darüber hinaus
Mastering Microservices, Oktober 2024 - Boost Your API Development Speed the Cloud-native Way
InfoDay Modernes API-Design, September 2024 - Turbocharging AI Innovation: How AI Platforms Enable The Bulletproof Deployment of GenAI Use Cases
Cloud Native Night Munich, July 2024 - Effizientes Kubernetes Flotten-Management mit Cluster API und GitOps
CloudLand, June 2024 - Turbocharging AI Innovation: Wie AI-Plattformen helfen GenAI Use Cases zuverlässig auf die Straße zu bringen
CloudLand, June 2024 - Navigating the Cloud-native Sustainability Landscape towards Green K8s Clusters
CloudLand, June 2024 - Turbocharging AI Innovation: How AI Platforms Enable The Bulletproof Deployment of GenAI Use Cases.
9th European Mission Operations Data System Architecture Workshop (ESAW), June 2024 - Ganzheitliche Observability: Von der Infrastruktur bis zur Anwendungs-Instrumentierung
Mastering Observability, June 2024 - Rapid Voice UI Development für Amazon Alexa et al. in < 40 Minutes
Engineering Camp, May 2024 - Down the Ivory Tower towards Agile Architecture
Devoxx UK, May 2024 - Turbocharging AI Innovation: Wie AI Plattformen helfen, GenAI Use Cases zuverlässig auf die Straße zu bringen
KI Weißwurstfrühstück, April 2024 - 50 Shades of Kubernetes Autoscaling
JavaLand, April 2024 - Sustainability. Das Qualitätsmerkmal grüner Systeme, nachhaltiger Software-Architekturen und deren Entwicklung
betterCode() Clean Architecture, March 2024 - Aus blau wird grün! Ansätze und Technologien für nachhaltige Kubernetes-Cluster
OOP, February 2024 - kubectl apply -f cloud-Infrastructure.yaml with Crossplane et al.
Platform Engineering Meetup, January 2024
2023
Conferences
- Vom Elfenbeinturm zur Agilen Architektur
BaselOne, October 2023 - Aus blau wird grün! Ansätze und Technologien für nachhaltige Kubernetes-Cluster
Software Architecture Alliance, September 2023 - Kontinuierliche Sicherheitstests für APIs mit Testkube und OWASP ZAP
Heise devSec(), September 2023 - 50 Shades of K8s Autoscaling
ContainerDays #CDS23, September 2023 - Blue turns green! Approaches and technologies for sustainable K8s clusters.
Kubernetes Community Days Munich, July 2023 - Aus blau wird grün! Ansätze und Technologien für nachhaltige Kubernetes-Cluster
Mastering Kubernetes, July 2023 - Tear Down this Wall! Tales From 3 Years Successful DevOps Collaboration.
CloudLand, June 2023 - A Hitchhikers Guide to the Cloud Friendly Migration of Apache Solr
CloudLand, June 2023 - K8s-native Daten-Pipelines mit Quarkus und Argo et al.
CloudLand, June 2023 - Quadratisch. Praktisch. Gut. K8s-native Qualitätssicherung mit Testkube (Workshop)
German Testing Day, May 2023 - Vom Elfenbeinturm zur Agilen Architektur
Digital Crafts Day, April 2023 - Quadratisch. Praktisch. Gut. K8s-native Qualitätssicherung mit Testkube
JavaLand, March 2023 - Quality in a Square. K8s-native Quality Assurance of Microservices with Testkube
JFokus, February 2023
2022
Videos
- REST in Peace. Long live gRPC! @ Devoxx UK
- Speaker Interview @ J on the Beach
- REST in Peace. Long live gRPC! @ J on the Beach
Conferences
- kubectl apply -f cloud-Infrastructure.yaml mit Crossplane et al.
CloudNativeNight Mainz Meetup, December 2022 - kubectl apply -f cloud-infrastructure.yaml mit Crossplane et al.
ContainerConf / ContinuousLifecycle, November 2022 - Cluster-as-code. The Many Ways towards Kubernetes.
iSAQB Software Architecture Gathering, November 2022 - Quadratisch. Praktisch. Gut. K8s-native Quality Assurance mit Testkube
Software Architecture Alliance, October 2022 - Time to Shift Left: Unkomplizierte Security-Tools und -Technologien für den Entwickleralltag
Heise Developer Experience, October 2022 - Observability: Der Schlüssel für Threat Detection, Mitigation und Analyse
Heise devSec(), October 2022 - K8s-native Daten-Pipelines mit Argo Workflows und Events
data2day Conference, September 2022 - Quadratisch. Praktisch. Gut. K8s-native Quality Assurance mit Testkube
JCON 2022, September 2022 - REST in Peace. Long live gRPC!
JavaZone, September 2022 - K8s-natives Infrastructure as Code: einfach, deklarativ, produktiv
Mastering Kubernetes, July 2022 - Kubectl apply -f cloud-infrastructure.yaml mit Crossplane
CloudLand Conference, July 2022 - JakartaOne German - CN4J Panel
CloudLand Conference, June 2022 - Cluster-as-code: The Many Ways towards Kubernetes
CloudLand Conference, June 2022 - REST in Peace. Long live gRPC!
Devoxx UK, May 2022 - REST in Peace. Long live gRPC!
J on the Beach, April 2022 - REST in Peace. Long live gRPC!
betterCode() API, April 2022 - Crossplane oder: kubectl apply -f cloud-Infrastructure-as-code.yaml
Mastering GitOps, April 2022 - X is better than Y! Or is it? The Battle of Java Microservice Frameworks
JavaLand 2022, March 2022 - REST in Peace. Long live gRPC!
JavaLand 2022, March 2022 - Clean Infrastructure as Code
OOP 2022, February 2022
2021
Conferences
- Clean Infrastructure as Code
Continuous Lifecylce » Container Conf, November 2021 - Clean and Secure Infrastructure as Code
DevSecCon, November 2021 - Von REST zu gRPC und zurück mit Go
betterCode(Go), November 2021 - Ich brauche einen Abstraktions-Layer für meine Cloud
Cloud Native Battle #1, September 2021 - Infrastructure as Code ohne Tests ist per se kaputt!
Herbstcampus, September 2021 - Kubernetes as a Platform for building Platforms
Container Days, September 2021 - Clean Infrastructure as Code
Container Days, September 2021 - Kubernetes ist so viel mehr als ein Container-Orchestrierer
Heise Mastering Kubernetes, Juli 2021 - Continuous (Non)-Functional Testing of Microservices on K8s
Continuous Lifecycle Online, Mai 2021 - Per Anhalter zu Cloud-nativen API Gateways
betterCode(API), April 2021 - Effizientes DevOps-Tooling mit Java und GraalVM
IT-Tage 365, March 2021 - Mit LoRaWAN und Serverless Technology zur eigenen Smart Office Lösung
Building IoT, March 2021 - A Hitchhiker’s Guide to Cloud-native API Gateways
JavaLand, March 2021 - Continuous (Non)-Functional Testing of Microservices on K8s
Code Days Digital, February 2021 - Efficient DevOps Tooling with Java and GraalVM
OOP Fachforen Digital, February 2021 - Ways towards a productive YAML-less Cloud-native DevEx
OOP Digital, February 2021 - Essentielle Tools für produktive und glückliche #CloudNativeNerds
ContainerConf Cloud Native Day, February 2021 - Go for Operations
Code Days Digital, February 2021 - Kubernetes ist so viel mehr als ein Container-Orchestrierer
ContainerConf Kubernetes Experts Day, January 2021
2020
Videos
- Put Your Containers on a Secure Diet with Google Distroless
- Using AppCDS to boost your Jakarta EE application startup time
Conferences
- Kubernetes für Workstations, Edge and IoT Devices
Continuous Lifecycle, November 2020 - Jakarta EE Security und Microprofile JWT in Aktion
heise devSec(), October 2020 - Efficient DevOps Tooling with Java and GraalVM
JCON 2020, October 2020 - Running Kubernetes on Workstations, Edge / IoT Devices
JCON 2020, October 2020 - Running Kubernetes on Workstations, Edge and IoT Devices
Cloud Native Virtual Summit (Fall 2020), October 2020 - Ways Towards a YAML-less Cloud-native DevEx
Cloud Native Virtual Summit, April 2020 - The Big Cloud Native FaaS Lebowski
JUG Hessen, March 2020 - Enterprise Cloud Native ist das neue Normal
SE-Couch Meetup, München, February 2020 - Enterprise Cloud Native ist das neue Normal
CodeDays, München, February 2020 - Holistische Sicherheit für Microservice-Architekturen
OOP, München, February 2020 - Efficient Ops Tooling with Java and GraalVM
Cloud Native Night, München, January 2020 - A Hitchhiker’s Guide to Enterprise Microservices with Go
GoDays, Berlin, January 2020
2019
Videos
- Serverless is the Next Logical Evolution in Cloud Native Software Development
- A Hitchhiker’s Guide to Cloud Native API Gateways
- Enterprise Cloud Native Is The New Normal
- The Big Cloud Native FaaS Lebowski #DevoxxPL
Conferences
- Running Kubernetes on Workstations and Edge and IoT Devices
Cloud Native Night, Munich, November 2019 - Die große Cloud-native FaaS-Hitparade
ContainerConf 2019, Mannheim, November 2019 - The Big Cloud Native FaaS Lebowski
Serverless Conference, London, November 2019 - Building and Running Serverless Workloads the Knative way
Serverless Conference, London, November 2019 - A Hitchhiker’s Guide to Cloud Native API Gateways
O’Reilly SA Con, Berlin, November 2019 - Enterprise Cloud Native ist das Neue Normal
CODEx SpeakersNight, Hannover, November 2019 - Serverless is the Next Logical Evolution in Cloud Native Software Development
Open Source Automation Days, Munich, October 2019 - Die Bedeutung von Continuous Integration & Deployment in großen Unternehmen
Enterprise Cloud Native Summit, Munich, October 2019 - Holistische Sicherheit für Microservice-baiserte Systeme
heise devSec 2019, Heidelberg, September 2019 - High-Performance FaaS with Nuclio
Serverless Meetup, Munich, July 2019 - The Big Cloud Native FaaS Lebowski
Linux-Stammtisch München, Munich, July 2019 - A Hitchhiker’s Guide to Cloud Native API Gateways
Container Days 2019, Hamburg, June 2019 - Enterprise Cloud Native Is The New Normal
Container Days 2019, Hamburg, June 2019 - The Big Cloud Native FaaS Lebowski
Devoxx PL 2019, Krakow, June 2019 - Enterprise Cloud Native ist das Neue Schwarz
DevOps Essentials 2019, Darmstadt, June 2019 - The Big Cloud Native FaaS Lebowski
microXchg 2019, Berlin, April 2019 - Putting Microservices on a Diet: with Istio!
JavaLand 2019, Brühl, March 2019 - Putting Microservices on a Diet: with Istio!
Code Days 2019, Munich, January 2019
2018
Videos
- Building Web Services with Java EE 8, Packt Publishing, 2018
- Cloud-Native Application Development with Java EE, Packt Publishing, 2018
Books
- Author of Building RESTful Web Services with Java EE 8, Packt Publishing, 2018
- Reviewer of Google Cloud Platform in Action, Manning, 2018
- Reviewer of OpenShift in Action, Manning, 2018
Conferences
- Steinzeit war gestern! Wege der Cloud-nativen Evolution.
Continuous Lifecycle ‘18, Mannheim, November 2018 - Putting microservices on a diet with Istio
O’Reilly Software Architecture Conference, London, October 2018 - Continuous Delivery aus Sicht des Testers
Software-QS-Tag 2018, Frankfurt, Oktober 2018 - Steinzeit war gestern! Vielfältige Wege der Cloud-nativen Evolution.
The Architecture Gathering 2018, Munich, October 2018 - Building Microservices with Java EE 8 and Microprofile
JCON 2018, Düsseldorf, Oktober 2018 - Steinzeit war gestern! Wege der Cloud-nativen Evolution.
JCON 2018, Düsseldorf, October 2018 - Building Cloud-native Applications with Java EE and Microprofile on Kubernetes
#IMWorld 2018, Bucharest, October 2018 - Data Services: {Big,Fast,Smart} Data Processing mit Microservices
data2day 2018, Heidelberg, September 2018 - Hands-on SquareScale in 45 Minutes
Cloud Native Night, München, Juli 2018 - Steinzeit war gestern! Wege der Cloud-nativen Evolution.
SEACON 2018, Hamburg, Mai - A Hitchhiker’s Guide to Cloud Native Java EE
JavaLand 2018, Brühl, März 2018 - Dataservices: Processing Big Data the Microservice Way
O’Reilly Software Architecture Conference 2018, New York, Februar 2018 - Steinzeit war gestern! Die vielfältigen Wege der Cloud-nativen Evolution
OOP 2018, München, Februar 2018 - Vom Monolithen in die Cloud
Linuxstammtisch München, Januar 2018
2017
Conferences
- Vielseitiges In-Memory Computing mit Apache Ignite und Kubernetes
IT-Tage 2017, Frankfurt am Main, Dezember 2017 - Das kleine Einmaleins der sicheren Architektur und Programmierung
IT-Tage 2017, Frankfurt am Main, Dezember 2017 - Everything-as-code – Polyglotte Entwicklung in der Praxis
IT-Tage 2017, Frankfurt am Main, Dezember 2017 - Everything as code: DevOps und Continuous Delivery aus Sicht des Entwicklers
Continuous Lifecycle / ContainerConf 2017, Mannheim, November 2017 - Das kleine 1x1 der sicheren Architektur
//heise devSec() 2017, Heidelberg, Oktober 2017 - Polyglot Adventures for the Modern Java Developer
JavaOne 2017, San Francisco, Oktober 2017 - Cloud-native .NET Microservices mit Kubernetes
BASTA! 2017, Mainz, September 2017 - In-Memory Computing mit Apache Ignite und Kubernetes
data2day 2017, Heidelberg, September 2017 - Everything-as-code. Eine vielsprachige Reise.
JUG DA 2017, Darmstadt, September 2017 - A Hitchhiker’s Guide to the Cloud Native Stack
Devoxx 2017, Polen, Juni 2017 - Everything-as-code. A polyglot adventure.
Devoxx 2017, Polen, Juni 2017 - A Hitchhiker’s Guide to the Cloud Native Stack
Container Days 2017, Hamburg, Juni 2017 - Per Anhalter durch den Cloud Native Stack
SEACON 2017, Hamburg, Mai 2017 - Everything-as-code. Ein polyglottes Abenteuer
JAX 2017, Mainz, Mai 2017 - Everything-as-code
JavaLand, Brühl, März 2017 - Per Anhalter durch den Cloud Native Stack
OOP 2017, München, Januar 2017 - Everything-as-code. Polyglotte Software-Entwicklung in der Praxis.
OOP 2017, München, Januar 2017
Articles
- Per Anhalter durch den Cloud Native Stack
JAVAPRO Magazine, Juni 2017
2016
Books
- Co-author of Cloud Computing (German Edition), entwickler.press, 2016
- Reviewer of Java Testing with Spock, Manning, 2016
Conferences
- Der Cloud Native Stack in a Nutshell
Cloud Expo Europe, Frankfurt, November 2016 - A Hitchhiker’s Guide to the Cloud Native Stack
Continuous Lifecycle / ContainerConf, Mannheim, November 2016 - A Hitchhiker’s Guide to the Cloud Native Stack (Workshop)
W-JAX, München, November 2016 - Secure Architecture and Programming 101
O’Reilly Software Architecture Conference, London, Oktober 2016 - Automotive Information Research driven by Apache Solr
Lucene Revolution, Boston, Oktober 2016 - Automotive Information Research driven by Apache Solr
data2day, Heidelberg, Oktober 2016 - Kubernetes 101 and Fun
LinuxCon+ContainerCon Europe, Berlin, Oktober 2016 - Lightweight Developer Provisioning with Gradle
JavaOne, San Francisco, September 2016 - Everything as code. A polyglot journey.
JavaOne, San Francisco, September 2016 - Lightweight Developer Provisioning with Gradle
Gradle Summit, Palo Alto, Juni 2016
Articles
- Test long and prosper! Next-Generation-Enterprise-Tests mit Spock
Java Magazin, Oktober 2016 - Das Betriebssystem der Cloud
Java Magazin, September 2016 - Cloud-native Anwendungen mit Kubernetes
Java Magazin, Juli 2016 - Cloud-native Anwendungen bauen mit Spring Cloud und Netflix OSS
Java Magazin, Mai 2016 - Cloud-native Anwendungen. Der neue Stack: Mesos, Kubernetes, Netflix OSS & Spring Cloud
Java Magazin, April 2016
2015
Conferences
- Secure JEE Architecture and Programming 101
JavaOne, San Francisco, Oktober 2015 - Search-based business intelligence and reverse data engineering with Apache Solr
Apache BigData Con, September 2015
2014
Conferences
- Migrating a JSF-Based Web Application from Spring 3 to Java EE 7 and CDI
JavaOne, San Francisco, Oktober 2014
2012
Conferences
- Service-Oriented Online Architecture with Mule: A different approach to building a SOA
Mule Summit, München, Mai 2012