Engineering Blog
Stories from our daily work.
How we incrementally ship features in LeanIX VSM
In this article, we explain how we use LaunchDarkly in LeanIX Value Stream Management (VSM) to control the availability of new features for our customers.
Guideline to basic java.time date/time classes
When and how to use which of the time classes in the java.time package: An attempt to provide some useful and easily understandable help. Find your way through the time classes even if you're scared to read their lengthy documentation!
How to set up your organization for effectively using Sentry
A walkthrough for Sentry and processes around it
Building a Sustainable Future with Green Software Engineering
This article helps you realize the need for green software engineering and how it can help build a sustainable future
The Road Less Travelled: My Journey to Software Engineering
This is a story about overcoming the challenges of switching to a career in software engineering much later in life from an unrelated educational and professional background.
Learnings of implementing an event processor service in an event-driven environment
This article discusses the implementation of an event processor service and the learnings gained by solving multiple typical challenges that can arise when working in an event-driven environment.
How good is enough? AI vs. human code
This article compares the solutions of different AI engines and human engineers to coding challenges.
A tool overview for generating CycloneDX SBOM
This article gives a comparative view of popular SBOM extraction plugins so that you can make an informed decision
How can Data Science benefit from Software Engineering
A quick introduction to a small machine learning example illustrates how best practices from Software Engineering can help processes in Data Science
How to set up a python service in 2022
This article highlights packages and tools we use in our machine learning team when we kickstart a new python service.
NG-DE 2022: A summary of the talks presented at the Angular conference in Berlin
Read summaries by one of our engineers of some of the talks presented at the NG-DE conference in Berlin this year
Knex.js promise resolution decoded
This article explains some details on the Knex.js QueryBuilder interface and their impacts.
Gradually migrating a web application from AngularJS to Vue
How we migrated our SaaS Management Platform (SMP) from AngularJS to Vue without blocking development.
Reacting to security alerts
A walkthrough how we reacted to a security alert and how we handled it.
Integration tests in Node.js and Jest
How to do integration testing within a Node.js service with Jest
How to build reactive Angular Components using Inputs as Observables
Why and how we are building reactive Angular components with the help of TypeScript decorators by redefining inputs as observables.
Ship features faster by introducing an OpenAPI code generator
We want to focus on what we love doing - shipping great features to our customers. In this blog post, we explain how an OpenAPI client code generator supports us in achieving this goal. We also show how we've integrated it into our build pipeline.
Jupyter Notebooks are a shell replacement
An attempt to provide another measure for the decision when to use Jupyter notebooks – and when not.
The Builder Design Pattern in Kotlin
How to implement and use the builder design pattern in Kotlin and what different language features you can use
Hello WeAreDevelopers Berlin 🥳
From June 14th to 15th we're at the WeAreDevelopers conference in Berlin. Come meet us at our booth!
Scalable job processing with KEDA in Kubernetes
KEDA is a Kubernetes-based Event Driven Autoscaler. In this blog, you will see how we migrated a legacy integration service into Kubernetes and use KEDA for scaling. It explains a solution for short and long-running jobs that responds fast, is running resilient against deployments, and will be controlled based on load.
Halve Your GitHub Actions Bill
How we switched from "push" to "pull_request" event triggers in our workflows to reduce the GitHub Action minutes spent on feature branches significantly.
How to migrate from jasmine to jest
This is a guide to replace the jest-jasmine2 runner with the jest-default runner. Additionally, you will find a cheat sheet to write tests without using jasmine.
Component tests in Node.js and Jest
How to do component testing within a Node.js service with Jest
Scaling Infrastructure Provisioning
Finding the balance between team autonomy and having an infrastructure team is hard. This post shares our approach to having a dedicated infrastructure team, while enabling product engineering teams to quickly provision their required infrastructure via a simple API.
Prefix Search in Node.js using Knex.js and PostgreSQL
How to create a prefix search in a Node.js service using Knex.js and a Postgres database
Comparing Fact Sheets using Graph Convolutional Networks
How to make Fact Sheets comparable using Graph Neural Networks
Building accessible web applications: What, Why, Who and How
An attempt to raise awareness of a topic that should be important to anyone building user interfaces for humans.
A less expected way JPA metamodel generation can fail
A banal story about what went suddenly wrong in the annotation processor step that generates source code for JPA metamodel classes. This might be helpful to quicker get out of similar situations.
How we sped up CI checks in our nx monorepo
By combining the "nx affected" and "nx dep-graph" commands we were able to reduce the number of projects to check in our continuous integration runs. The code is available as a reusable GitHub Action for your nx monorepo.