Jan Mönnich - Interface project at HR Solutions GmbH for Rhineland-Palatinate / BAMF

Recommended expert

Dresden, Germany

Experience

May 2025 - Present

9 months

Interface project at HR Solutions GmbH for Rhineland-Palatinate / BAMF

HR Solutions GmbH

Developed an adapter from the central foreigner register to an internal application
REST, JSON, OpenAPI, Spring Boot, Vue, Java, Maven, XAusländer
Jira/Confluence/GitHub, Scrum+Kanban

Mar 2024 - Present

1 year 11 months

Proof-Of-Concept

Bundesagentur für Arbeit

Sample reimplementation of a sub-application: Java Enterprise (JEE) Microprofile, Angular, RxJs, Liquibase, Jakarta, Cucumber, Playwright, OpenAPI, REST; Docker, K8s, Ranger, Payara, GitHub
Maintenance of the server application: JEE application, SOAP, REST, Jakarta; Nexus/SonarQube, Checkmarx; extending unit tests
Continuous integration, quality management, software development: Scrum+Kanban, accessibility, TDD + BDD

Mar 2023 - Dec 2025

2 years 10 months

Software variometer development

Own project

Hardware: Raspberry Pi + sensors (BM280, GTU7, ICM20948)
Software: Java & JavaFX (2D + 3D), Pi4J
Extended Kalman filter

Jan 2023 - Present

3 years 1 month

Maintenance of club homepage forms for AC Pirna

AC Pirna

Input forms for the gliding club
PHP, Contao CMS, JavaScript

Jan 2023 - Mar 2024

1 year 3 months

Documentation software for a medical company

Liebelt Software GmbH

Further development of the software: Spring Boot, Swing, WebSwing, IntelliJ, JPA; UI tests with AssertJ, QF tests, Selenium, Mockito, BDD & TDD, OpenAPI, SoapUI, H2, API, cloud services; frontend migration to Angular
DevOps tasks: Docker, Kubernetes, Helm, SQL Server, Flyway, containerization; load testing with Gatling
Administration: Azure, Office 365
Software development, continuous integration, quality management

Jun 2018 - Dec 2022

4 years 7 months

Project for s.Oliver

T-Systems MMS

DevOps optimization: scaling down the DevOps team from 2.5 to about 1 person, including backups; introducing additional test instances; fully automating installations and processes; reducing DevOps requests from development; taking over maintenance of Demandware sandboxes; administrative operations, automation, API
Build and deployment optimization of a Salesforce/Demandware platform: Git/GitLab/Jenkins/Jira/Salesforce Commerce Cloud, TeamCity; Grunt/Gradle/Groovy/NodeJS; Jenkins, OAuth2, Bitbucket, Ansible; automating the rollout process
Continuous integration in the development process: automatic sandbox management; various REST APIs including Swagger, OpenAPI

Apr 2018 - May 2018

2 months

Support (freelance, part-time since 06/2018)

newtron AG

Implementation of China project with existing technology
Migrating monitoring to Icinga2 + Grafana
Bug fixing in the backend and with Postgres and H2

Jan 2018 - Present

8 years 1 month

Support at Emslander law firm

Wirtschaftskanzlei Emslander

Maintaining MS Access project
Infrastructure support

Jun 2016 - Mar 2018

1 year 10 months

Software Architect

Pinkerfind UG

Developed a document management software: extended Lucene, JavaFX, Less, POI, Java & Kotlin, JS
Deployment, unit tests: test-driven development, Git, Maven; Linux, JavaPackager, Windows & MacOS

Nov 2015 - May 2016

7 months

Developer

Wolters Kluwer Software und Service GmbH

Further development of architecture for Addison OneClick
Deployment of server application: Git, Jira, JDK 8, RabbitMQ / ActiveMQ, Redis, Tomcat+Jetty; microservices
Process modeling

Apr 2015 - Present

10 years 10 months

Embedded Mail Server Project

OwnProvider GmbH

Containerization: Docker, Kubernetes, Helm
Development of mail server software: Linux, Jenkins, Lucene, James, BouncyCastle, Java/Kotlin, JS, Less, Maven, Vue, React
Linux system setup: Watchdog (hardware & software), kernel modifications, headless operation, remote updates
Development of a cloud-based, distributed proxy environment for email delivery and dynamic DNS services: DevSecOps, Helm, blacklists, DKIM, SPF, X.509
Message Queues: Kafka, Active MQ, Camel, JMS
Test-driven development (TDD, BDD): Selenium, JUnit
Low-level implementation of internet protocols: IMAP, DNS, SMTP, WebDAV, CardDAV, CalDAV, HTTPS, Let's Encrypt/ACME, OpenID & SAML
X.509 infrastructures
Coordination of hardware development on ARM basis
Stakeholder management (CRM), continuous integration, infrastructure management, telecommunications industry
Accounting (SKR03, hobby)

Mar 2015 - Oct 2015

8 months

Mail Server Project Preparation

KWI GmbH

Nov 2011 - May 2015

3 years 7 months

Software Architect (Part-time)

Transinsight GmbH

Enhancement and optimization of online platforms [link] and [link]
Architecture revamp for high data volumes: distributed file system and database; unsupervised learning approaches; microservices on GlassFish/Payara or Tomcat; text indexing & processing (Lucene, Elasticsearch, Cassandra, Kafka, JPA, CXF)
Eclipse plugin for Maven/XML language
Performance optimizations: JProfiler, memory analysis
Infrastructure management, data analysis, software development

Nov 2011 - Mar 2015

3 years 5 months

Research Associate in Bioinformatics

TU Dresden

Research of secure computation methods in the cloud: implementation of distributed file systems; supervised/unsupervised learning; development of new text-mining methods (UIMA, Mallet, Puppet, Spring Boot)
Patents & PubMed/Medline; Python, data analysis

Dec 2009 - Oct 2011

1 year 11 months

Software Architect

TwentyOne AG

Enhancement of web applications and the telekom.de webshop (Intershop platform)
Architecture overhaul of existing insurance software: Java, XML, NextForms, JavaScript; Oracle, Windows
Improvement of development processes
IT services: web servers, SOA, J2EE, JMS, Spring Boot, Spring, JPA, microservices
Stakeholder management (CRM), consulting

Aug 2006 - Nov 2009

3 years 4 months

Software Architect

Transinsight GmbH

Enhancement and optimization of the meta search engine [link]
Introduction of a scalable and easy-to-maintain system architecture
Automation of administration: Java, XML, XSD, XSLT, Ajax, JavaScript, SOAP; Cocoon, Avalon, Hibernate, Wicket; MySQL, Linux, Tomcat/GlassFish

Oct 2001 - Oct 2004

3 years 1 month

Part-time Computer Science studies

FernUniversität Hagen; diploma thesis on evolution management in databases (grade very good); degree: Diplom-Informatiker (grade good)

Sep 1999 - Aug 2006

7 years

Software Architect

newtron AG

Developed and expanded core Java frameworks for nMarkets (similar to Wicket, WebObjects, Hibernate)
Led the administration and technology teams
Implemented and maintained development processes
Conducted training for internal and external staff
Trained an apprentice as an IT specialist
Technologies used: Java, Perl, XML, C, UML; Oracle, Access, Linux, Solaris, Apache; UML, J2EE; OptimizeIT, memory analysis, profiling
Process modeling, IT project management, software development, infrastructure management, quality management

Mar 1999 - Sep 1999

7 months

Freelance work on auction platform

newtron AG

Built core technology using Perl
Migrated core technology to Java
Implemented the first presentation software

Mar 1999 - Jun 1999

4 months

Working Student

Infineon AG

Analyzed and gathered requirements for process optimization in the cleanroom
Developed programs for maintaining and processing checklists for maintenance processes (Visual Basic)

Nov 1996 - Nov 1998

2 years 1 month

Contract work

WFS / Imedia Netzwerk / TLG

Creation of web applications using WebObjects
Dynamic page generation using Microsoft ASP/ADO (HTML, JavaScript, JSP, ASP, ADO)

Sep 1996 - Sep 1997

1 year 1 month

Civilian service

Workers' Welfare Association Dresden

Jul 1996 - Aug 1996

2 months

Student assistant

TU Dresden

General electronics

Mar 1996 - Present

29 years 11 months

Side job

Saxony Economic Development GmbH

Created a setup program with InstallShield
Created small websites (InstallShield, HTML)

Oct 1995 - Sep 2001

6 years

Computer Science studies

TU Dresden, minor in Electrical Engineering; interrupted by civilian service and full-time work at newtron AG

Jun 1995 - Aug 1995

3 months

Vacation job

dresden elektronik ingenieurtechnik gmbh

Development of an operating system kernel on a single-chip 8051 microcontroller in Assembly
Development of a debugging monitor program in C++
Implementation of PC/microcontroller communication (Borland C++, Assembly)

Sep 1991 - Aug 1995

4 years

High school diploma

Gymnasium Martin-Anderson-Nexö Dresden, advanced math and science profile; grade 1.5

Skills

Quick Learning & Understanding Of New Technologies And Existing Applications
Automating Recurring Processes
Aiming To Reduce Effort For Developers, Also By Providing Simple Frameworks/processes
Programming Languages: Java/kotlin/groovy, Swing, Javafx, Javascript/typescript (Nodejs, Rxjs, Angular, Vue), Html, Css/less, Ajax, Bash, Perl, C, C++, Assembly, Xml, Xslt, Vba, Php, Webobjects
Concepts: Scrum, Kanban, Test-driven Development (Tdd+bdd), Ci/cd, Clean Code, Devsecops, Process Modeling
Frameworks: Lucene, Jee, Selenium, Playwright, Maven, Spring, Swing, Eclipse Plugins, Demandware/salesforce Cc/intershop
Applications: Eclipse, Intellij, Visual Studio, Jenkins, Icinga2, Jira, Bitbucket, Confluence, Trac, Contao, Jprofiler, Optimizeit, Gatling, Soapui, Nexus/sonarqube, Checkmarx
Interfaces: Rest Apis Of These Applications, Internet Protocols (Dns, Imap, Smtp, Webdav, Caldav, X.509, Let's Encrypt, Oauth, Jwt, …), Openapi + Swagger
Systems: Linux, Windows, Git, Svn, Cvs, Various App Servers (Jetty, Jboss, Tomcat, Glassfish/payara, Sometimes Websphere), Azure Devops
Databases: Sql And O/r Mappers (Hibernate, Jpa & Proprietary), Oracle, Mysql/mariadb, Access, Postgres, H2, Sql Server, Flyway
Containers: Docker, Kubernetes, Lens, Ranger, Helm, Nginx, Grafana
Industry Know-how: Medline/pubmed, Fhir, Patents
Electronics: Microcontroller Programming, I²c, Kalman Filter
Others: Trainer Certificate, Skr03, Security Clearance (Sü2, Luftsig), Driver's License Class 3

Languages

German

Native

English

Advanced

Education

Oct 2001 - Oct 2004

Fernuniversität Hagen

Diplom in Computer Science · Computer Science · Hagen, Germany · good

Oct 1995 - Sep 2001

TU Dresden

Computer Science, minor in Electrical Engineering · Dresden, Germany

Sep 1991 - Aug 1995

Gymnasium Martin-Anderson-Nexö (MANOS)

Abitur, grade 1.5 · Dresden, Germany · 1.5

Certifications & licenses

Trainer certificate

Driver's license class 3

SKR03

Security clearance (SÜ2, LuftSiG)

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Experience

Interface project at HR Solutions GmbH for Rhineland-Palatinate / BAMF

HR Solutions GmbH

Proof-Of-Concept

Bundesagentur für Arbeit

Software variometer development

Own project

Maintenance of club homepage forms for AC Pirna

AC Pirna

Documentation software for a medical company

Liebelt Software GmbH

Project for s.Oliver

T-Systems MMS

Support (freelance, part-time since 06/2018)

newtron AG

Support at Emslander law firm

Wirtschaftskanzlei Emslander

Software Architect

Pinkerfind UG

Developer

Wolters Kluwer Software und Service GmbH

Embedded Mail Server Project

OwnProvider GmbH

Mail Server Project Preparation

KWI GmbH

Software Architect (Part-time)

Transinsight GmbH

Research Associate in Bioinformatics

TU Dresden

Software Architect

TwentyOne AG

Software Architect

Transinsight GmbH

Part-time Computer Science studies

Software Architect

newtron AG

Freelance work on auction platform

newtron AG

Working Student

Infineon AG

Contract work

WFS / Imedia Netzwerk / TLG

Civilian service

Workers' Welfare Association Dresden

Student assistant

TU Dresden

Side job

Saxony Economic Development GmbH

Computer Science studies

Vacation job

dresden elektronik ingenieurtechnik gmbh

High school diploma

Skills

Languages

Education

Fernuniversität Hagen

Diplom in Computer Science · Computer Science · Hagen, Germany · good

TU Dresden

Computer Science, minor in Electrical Engineering · Dresden, Germany

Gymnasium Martin-Anderson-Nexö (MANOS)

Abitur, grade 1.5 · Dresden, Germany · 1.5

Certifications & licenses

Trainer certificate

Driver's license class 3

SKR03

Security clearance (SÜ2, LuftSiG)

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