Software Developer

Coaching junior developers

Further development and customer-specific extensions of a standard software (microservices (DDD) and partly monolithic)

Interface extensions

Web services

Test automation

Design

Java 8

Java 17

TypeScript

Python

PostgreSQL

Spring (Integration, Data, Boot, …)

JPA

AWS (Cloud, Lambda, EC2, SQS/SNS)

Microservices

Fitnesse/Cucumber

GitLab

Design and implementation of customer-specific extensions for a standard software

Java 8

Spring/Hibernate

Postgres

Oracle

Implementation and design of server software with web UI, REST APIs, and data storage

Implementation of a distributed client software for hardware integration and encryption in the dental practice

Integration of various billing interfaces (health insurance, health card, GEMATIK)

Setup of development/test environment with continuous build and integration

Setup of UI testing, test planning, and automation

Operation of the production system

Java

MySQL

Apache Tomcat

Apache Wicket

Jersey

Hibernate

Spring

Apache FOP

Swing

Jetty

XML/XSLT

SSL/TLS

Elliptic Curve, symmetric/asymmetric encryption

Git/Bitbucket

Bamboo

Jira

Confluence

TestRail

Maven

Shell

Selenium

Linux

Virtualization

Nagios

Optimizing the performance of an SMS/MMS processing system

Designing and implementing an offline-capable sales management solution on mobile devices connected to customer ERP systems

Designing a new messaging gateway using an ESB

Implementing various messaging-based services

Designing and implementing a mobile payment gateway

Apache Tomcat

MySQL

Java

J2Me

SyncML

Mule

XML/XSLT

Hibernate

Flow4j