Jacqueline Krech - Senior Java/Kotlin Fullstack Cloud DevOps

Cologne, Germany

Experience

Jan 2022 - Apr 2025

3 years 4 months

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Design, development, and monitoring of microservices
Migrating functions from a monolithic system into separate microservices
Designing and implementing new microservices (backend and frontend)
Setting up and maintaining a CI/CD pipeline (GitHub Actions)
Configuring cloud infrastructure with AWS CDK and Terraform
Designing and implementing event-driven communication with AWS SNS/SQS and Apache Kafka
Ensuring code quality through Test Driven Development (TDD), static code analysis, and Clean Code

Jul 2021 - Dec 2021

6 months

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Creating microservices to replace the existing claims reporting system
Migrating services to the OpenShift platform using Test Driven Development (TDD)
Working as a team member in an agile Scrum team
Applying Clean Code principles and continuous integration to ensure software quality

Oct 2017 - Feb 2020

2 years 5 months

Cologne, Germany

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Enhancing the customer portal with a focus on designing and building self-contained services
Maintaining and extending the existing service architecture
Working as a team member in the Scrum team to integrate self-services
Ensuring software quality through Behavior Driven Development (BDD) and Test Driven Development (TDD)
Creating APIs for use by another team in app development
Configuring the deployment process with AWS CloudFormation
Monitoring services using the ELK Stack, Grafana, and Prometheus

Jul 2016 - Sep 2017

1 year 3 months

Cologne, Germany

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Enhancing the customer portal
Replacing a monolith with multiple microservices using Kotlin and Java (backend and frontend)
Maintaining and extending the existing service architecture
Designing and implementing event-driven communication with Apache Kafka
Integrating public APIs of a payment service provider
Ensuring software quality through Test Driven Development (TDD) and Domain Driven Design (DDD)
Continuous integration and continuous delivery
Monitoring services using the ELK Stack, Grafana, Prometheus, and a custom monitoring service

May 2014 - Jun 2016

2 years 2 months

Cologne, Germany

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Adapting and extending the Sophora (Subshell) content management system to meet client requirements
Extending a media database with a graphical web interface to manage audio, video, and images
Creating documentation (concepts, technical docs, user manuals, operations manuals)

Programming Languages

Java (Java Ee, Java Se, Java From Version 5, Jsf 2.0, Jsp)
Kotlin
Groovy
Typescript/javascript (Svelte, Vue, React, Node.js, Jquery, Mootools, Ajax, Grunt, Bower)

Frameworks, Technologies