Jan Mönnich
Proof-Of-Concept
Experience
Mar 2024 - Present
1 year 5 monthsProof-Of-Concept
Bundesagentur für Arbeit
- Example reimplementation of a partial application
- Java Enterprise (JEE) MicroProfile, Angular, RxJS, Liquibase, Jakarta, Cucumber, Playwright, OpenAPI
- Docker, Kubernetes, Ranger, Payara, GitHub
- Accessibility, REST, Scrum + Kanban
- Maintenance of the server application
- JEE application, SOAP, REST, Jakarta
- Nexus/SonarQube, Checkmarx
- Expansion of unit tests, TDD + BDD
Mar 2023 - Present
2 years 5 monthsSoftware variometer development
- Hardware
- Raspi + sensors (BM280, GTU7, Icm20948)
- Software
- Java & JavaFX (2D + 3D), Raspi4J
- Extended Kalman Filter
Jan 2023 - Present
2 years 7 monthsPirna, Germany
Maintenance of club homepage forms
AC Pirna
- Input forms for the gliding club
- PHP, Contao CMS, JavaScript
Jan 2023 - Mar 2024
1 year 3 monthsDocumentation 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
- Migrated frontend to Angular
- DevOps activities
- Docker, Kubernetes, Helm, SQL Server, Flyway
- Load testing with Gatling
- Administration
- Azure, Office 365
Jun 2018 - Dec 2022
4 years 7 monthsProject for s.Oliver
T-Systems MMS
- Independently optimized DevOps
- Reduced DevOps team from 2.5 to about 1 person including backup
- Introduced additional test instances
- Fully automated installation and processes
- Reduced development's DevOps requirements (automated deployment instructions, etc.)
- Took over maintenance of Demandware sandboxes from the developers
- Full responsibility and optimization of build and deployment for a Salesforce/Demandware platform
- Git/GitLab/Jenkins/Jira/Demandware or Salesforce Commerce Cloud, TeamCity
- Grunt/Gradle/Groovy/Node.js
- Jenkins, OAuth2, Bitbucket, Ansible
- Automated rollout process
- Continuous Integration in the development process
- Automated sandbox management
- Continuous Integration and automated tests
- Various REST APIs including Swagger, OpenAPI
Apr 2018 - May 2018
2 monthsProject
newtron AG
- Implemented China project with existing technology
- Migrated monitoring to Icinga2 + Grafana
- Bug fixing in the backend with Postgres and H2
- Freelance, part time since 06/2018
Jan 2018 - Present
7 years 7 monthsSupport
Wirtschaftskanzlei Emslander
- Maintained MS Access project
- Supported infrastructure
Jun 2016 - Mar 2018
1 year 10 monthsSoftware 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 monthsDeveloper
Wolters Kluwer Software und Service GmbH
- Further developed architecture of Addison OneClick
- Distributed server application
- Git, Jira, JDK 8, RabbitMQ, Redis, Tomcat & Jetty
- Microservices
- Process modeling
Apr 2015 - Present
10 years 4 monthsEmbedded Mailserver Project
OwnProvider GmbH
- Containerization
- Docker, Kubernetes, Helm
- Developed mail server software
- Linux, Jenkins, Lucene, James, BouncyCastle, Java/Kotlin, JS, Less, Maven, Vue, React
- Built Linux base system
- Watchdog (hardware & software), kernel adjustments, headless operation, remote updates
- Developed a cloud-based and distributed proxy environment for email delivery and dynamic DNS services
- DevSecOps, Helm, blacklists, DKIM, SPF, X.509
- 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
- Coordinated hardware development on ARM platform
- Accounting (SKR03, hobbyist)
Mar 2015 - Oct 2015
8 monthsPreparation of mail server project
KWI GmbH
- Preparation of mail server project (see above)
Dec 2014 - Mar 2015
4 monthsDresden, Germany
Research Associate in Bioinformatics
TU-Dresden
- Research on secure computing methods in the cloud
- Implementation of distributed file systems
- Supervised / unsupervised learning
- Development of new text-mining methods
- UIMA, Mallet, Spring Boot
- Patents & PubMed/Medline
Nov 2011 - May 2015
3 years 7 monthsSoftware architect (part time)
Transinsight GmbH
- Expanded and optimized online platforms (GoPubMed, OpenScienceLink)
- Redesigned architecture for large data volumes
- Distributed file system and database
- Unsupervised learning approaches
- Microservices on application servers with GlassFish/Payara or Tomcat
- Text indexing & processing (e.g., Lucene, Elasticsearch, Cassandra, Kafka, JPA)
- Eclipse plugin for Maven/XML language
- Performance optimizations
- JProfiler, memory analysis
Nov 2011 - Oct 2014
3 yearsDresden, Germany
Research Associate in Bioinformatics
TU-Dresden
- Research on secure computing methods in the cloud
- Implementation of distributed file systems
- Supervised / unsupervised learning
- Development of new text-mining methods
- UIMA, Mallet, Spring Boot
- Patents & PubMed/Medline
Dec 2009 - Oct 2011
1 year 11 monthsSoftware architect
TwentyOne AG
- Expanded web applications
- Extended the telekom.de web shop
- Intershop platform
- Re-architected existing insurance software for Sparkassenversicherung Sachsen
- Java, XML, NextForms, JavaScript
- Oracle, Windows
- Improved development processes
- IT services
- Web servers, SOA, J2EE, Spring Boot, Spring, JPA, microservices
Aug 2006 - Nov 2009
3 years 4 monthsSoftware architect
Transinsight GmbH
- Expanded and optimized the existing meta-search engine (GoPubMed)
- Introduced a scalable and easy-to-maintain system architecture
- Automated administration
- Java, XML, XSD, XSLT, AJAX, JavaScript, SOAP
- Cocoon, Avalon, Hibernate, Wicket
- MySQL, Linux, Tomcat/GlassFish
Sep 1999 - Aug 2006
7 yearsSoftware architect
newtron AG
- Built and extended base frameworks in Java (Newtron nmarkets)
- Similar to Wicket, WebObjects, and Hibernate
- Led the administration and technology team
- Implemented and maintained development processes
- Trained staff (internal and external)
- Trained an apprentice as an IT specialist
- Java, Perl, XML, C, UML
- Oracle, Access, Linux, Solaris, Apache
- Modeling with UML, Java Enterprise (J2EE)
- OptimizeIT, memory analysis, profiling
- Process modeling
Mar 1999 - Sep 1999
7 monthsFreelance at auction platform development
newtron AG
- Built base technology in Perl
- Migrated base technology to Java
- Implemented initial presentation software
Mar 1999 - Jun 1999
4 monthsDresden, Germany
Working student
Infineon AG
- Analyzed requirements for process optimization for maintenance staff in the cleanroom
- Developed programs for maintaining and handling checklists for maintenance processes
- Visual Basic
Nov 1996 - Nov 1998
2 years 1 monthContract work
WFS, Imedia Netzwerk, TLG
- Created web applications with WebObjects
- Dynamic page generation using Microsoft ASP/ADO
- HTML, JavaScript, JSP, ASP, ADO
Sep 1996 - Sep 1997
1 year 1 monthDresden, Germany
Civilian service
Arbeiterwohlfahrt
Jul 1996 - Aug 1996
2 monthsDresden, Germany
Student assistant
TU Dresden, Fakultät Informatik, Fachbereich Elektrotechnik
- General electronics
Mar 1996 - Mar 1996
1 monthPart-time work
Wirtschaftsförderung Sachsen GmbH
- Created a setup program with InstallShield
- Built small websites
- InstallShield, HTML
Jun 1995 - Aug 1995
3 monthsDresden, Germany
Holiday job
dresden elektronik ingenieurtechnik gmbh
- Developed an operating system core on an 8051 microcontroller in assembler
- Developed a debugging monitor program in C++
- Implemented PC/microcontroller communication
- Borland C++, assembler
- Circuit design, low-level communication
Summary
Security clearance according to SÜG Ü2 and LuftSiG
- Quickly adopt & understand new technologies and existing applications
- Automate recurring processes
- Aim to reduce effort for developers, including by providing simple frameworks/processes
Languages
German
NativeEnglish
Advanced Education
Oct 2001 - Oct 2004
Fernuniversität Hagen
Diploma in Computer Science · Computer Science · Hagen, Germany · good
Oct 1995 - Sep 2001
TU Dresden
Computer Science, Electrical Engineering · Dresden, Germany
Sep 1991 - Aug 1995
Gymnasium Martin-Anderson-Nexö
Abitur · Dresden, Germany · 1.5
Certifications & licenses
Trainer certificate
Driver's license, class 3
Security clearance according to LuftSiG
Security clearance according to SÜG Ü2
Reliability check SÜ1
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