06.2025 -

IBM CIC AG

DevOps

Swiss Federal Tax Administration (SFTA) - BIT

• I develop tax declaration forms for the ESTV using Java/Spring Boot microservices and Angular/micro-frontends, while also handling DevOps responsibilities (CI/CD, Docker, Oepnshift).

• In addition, I work on the GloBE Information Return (GIR) under the OECD Pillar Two framework, developing key backend components for global minimum tax compliance.

[ java, Angular, openshift, git, docker, postgres, argoCD, spring boot, Rabbit MQ, devops, microfrontend, microservices, ]

09.2023 - 06.2025

Fincons Group AG

DevOps

Ticketing Mobility Services - SBB

• Upgrade Angular.js to Angular in Company Management System

• Support and feature development of the teams micro services based applications (backend/frontend)

[ java, Angular, openshift, git, docker, postgres, Elasticsearch, spring boot, kafka, devops, microfrontend, microservices, ]

12.2022 - 09.2023

Swiss HTTP GmbH

Co-owner, CEO, SW architect, developer

CRM webapp - Swiss HTTP GmbH

• CRM development

• Strapi headless CMS customization

• PDF indexing

• Automatically PDF suggestion according the form keywords

• 2 team member

[ Vue3, Javascript, node.js, Strapi, Elasticsearch, ]

03.2022 - 09.2023

Swiss HTTP GmbH

Co-owner, CEO, SW architect, developer

Android camera ruler - Swiss HTTP GmbH

• Android app for automatically distance measurement

[ Kotlin, Android, ]

07.2022 - 10.2022

Swiss HTTP GmbH

Co-owner, CEO, SW architect, developer

Configuration interface for Raspberry based IoT with BLE GATT - Swiss HTTP GmbH

• Make raspberry configurable with BLE GATT from browser

• Extension for horse feeder device and home delivery box to make the devices configurable (WIFI) from the browser

• 2 team member

[ Bluetooth, GATT, GO, Raspberry, ]

10.2021 - 03.2022

Swiss HTTP GmbH

Co-owner, CEO, SW architect, developer

Programming language/runtime benchmark - Swiss HTTP GmbH

• Simple REST interface with mongo connection to store new items, and retrieve with GET, to compare the response times and throughput

[ Python, Rust, Java, Quarkus, Graal VM, native java, webflux, go, node.js, java 19 virtual threads, Kotlin, ]

06.2021 - 10.2021

Swiss HTTP GmbH

Co-owner, CEO, SW architect, developer

AI - image classification - Swiss HTTP GmbH

• Image classification with tensorflow

• Car indetifiaction to control the gate opener

• Yahoo finance news sentiment analysis

[ Python, tensorflow, NLP, ]

12.2020 - 06.2021

Swiss HTTP GmbH

Co-owner, CEO, SW architect, developer

IoT - Swiss HTTP GmbH

• Design and realize of raspberry or microcontroller (ESP8266) based IoT devices with node.js cloud services

• Horse feeder device with PWA managing interface

• Home delivery box with PWA managing interface

[ Rust, Python, node.js, mongo, React.js, Vue.js, 3D printing, docker, websocket, unit, ]

08.2020 - 12.2020

Swiss HTTP GmbH

Co-owner, CEO, SW architect, developer

Audit of Python, and Angular based web application - Swiss HTTP GmbH

• Audit of the application

• Identify the bottlenecks

• Preparation of improvements

[ python, Angular, ]

08.2016 - 08.2020

Co-owner, Swiss HTTP GmbH - subcontractor of ELCA AG

Java developer

SBB controlling application -

• Member of KoServ team in SBB. KoServ team is responsible of the ticket controlling app at SBB. Backend, Frontend and Android development with lot of interfaces, and business logic, data synchronizations logic.

• Preparing the cloud migration from websphere to openshift with dockerization

• Preparing the MQ migration to Kafka streaming

• Improving the throughput to fulfill the non functional requirements in QR Code generator service (50ms - 100 req/sec)

• Oracle DB analysis and tuning

[ Java, Sonar, Nexus, CI/CD, Scrum, Bitbucket, GIT, AWS (S3, EC2), Openshift, Docker, Android, Spring, MQ, Kafka, containerization, junit testing, integration tests, load tests, ]

10.2015 - 08.2016

Swiss HTTP GmbH

Co-owner, CEO, Java developer

Mobile app development - Swiss HTTP GmbH

• Managing the development team, and design the architecture of mobile applications for private customers on Android/IOS

[ Java, Swift, Scrum, ]

10.2015 - 03.2016

Swiss HTTP GmbH

Co-owner, CEO, Java developer

Web application development - Swiss HTTP GmbH

• Support for projects of DV Bern AG as a contractor

[ Java, GWT, JPA, Hibernate, Lucene, JEE6, JBoss, MySql, Glassfish, EclipseLink, PrimeFaces, CDI, Scrum, ]

08.2015 -

Swiss HTTP GmbH

Co-owner, CEO, CTO

Building infrastructure - Swiss HTTP GmbH

• Design and build IT infrastructure for Swiss HTTP GmbH. CI/CD, GIT, cloud services, backup-restore.

[ nexus, jenkins, git, cloud, docker, reverse proxy, backup-restore, ]

05.2011 - 10.2015

DV Bern AG

Java developer

Web application development - DV Bern AG

• As an employee by DV Bern at the next projects I participate in professional leader: Matura (Online diploma system with full functionality: exam reps handling, generate certificates, payments management and statistics, Book exam rooms, specialist teachers group management, etc.) CR Online (company registration of cantons, from which the data will be uploaded to the state system) E-Verify (The documents of origin of goods exported from Switzerland via online monitoring Webservice) ERZ (More Canton School registration database) Deals Business personal interest and estimate the time.

[ Java, GWT, JPA, Hibernate, Lucene, JEE6, JBoss, MySql, Glassfish, EclipseLink, PrimeFaces, CDI, Scrum, ]

03.2011 - 12.2012

Pulsar IT GmBH

Java developer, contractor

Web application development - Pulsar IT GmBH

• Swing/SWT application development, which is validated by the Labour Office councils be sent a large XML (hundreds of Mbytes) data previously prepared as a result of the validation XLS and PDF reports in the application.

[ Java, Swing, SWT, Apache POI, FOP, Hibernate, SAX, STAX, HSQL DB, multi threading, ]

10.2010 - 04.201

Master Program Kft.

Java developer, contractor

IBM product development - IBM Hungary

• Team member of IBM Hungary in SoNAS project, as Java developer. The Sonas even more of a petabyte-scale storage network to IBM's proprietary GPFS parallel file system, DB2 database, respectively. Websphere running on-line management interface. The Hungarian team was primarily responsible for the developments of the CLI interface.

[ Java, JSF, DOJO, JDBC, CLI, Bash, ]

05.2009 - 10.2008

Simon Solutions Kft.

CEO, Java developer, contractor

Web application development - Simon Solutions Kft.

• Java applications/interfaces. Configuring HP Openview products(SM, SD, NNM, OVO) and Nagios. As an ASYST subcontractors I participated in the following projects: Groupama Garancia - HP SM7 introduction, Prime Minister's Office - SD 4.5 HP support and further development, Hungarian State Treasury - HP OVO, NNM configuration, NMHH - the application is responsible for maintenance of equipment purchases

[ Java, JSP, Servlet, Axis, SOAP, JBI, XML, Struts, Spring, JSF, RichFaces, GWT, LDAP, Jasper, CrystalReports, Maven, Perl, Bash, Hibernate, IBatis, PLSQL, Oracle, MySql, MSSQL, JEE, EJB, ]

12.2008 - 05.2009

WIP Bt.

Java developer

Web application development - WIP Bt.

• Implementation of a new intarface/JBI container for T-Mobile between HP SM and Orion (3 Project Member)

[ Java, JBI, Web-service, SOAP, Servicmix, XSD, XML, XSL, ]

12.2008 - 02.2009

WIP Bt.

Java developer

Web application development - WIP Bt.

• New web application for Supreme Public Prosecutor's Office / Preparing HP SD-AD synchronization (3 Project Member) Backend and Frontend development

[ Java, Struts, displaytag, LDAP, Jasper, ]

07.2008 - 12.2008

Computer Partner Kft.

Java developer

Web application development - Computer Partner Kft.

• New web application for Hauptverband der Österreichische Sozialversicherung. (7 Project Member) Backend (Hibernate and Spring) and Frontend (JSF)-development

[ Java, Hibernate, JSF, Spring, Maven2, JBoss, DB2, ]

11.2007 - 07.2008

DK Consulting Kft.

Java developer

Web application development - DK Consulting Kft.

• New web application for MALEV (hungarian airline). (20 Project Member) Backend and Frontend-development with Hibernate and EXT-GWT.

[ Java, Hibernate, AJAX, EXT-GWT, JBoss, Oracle, IBatis, ]

08.2007 - 11.2007

DK Consulting Kft.

Java developer

Web application development - DK Consulting Kft.

• New web application for MALEV (hungarian airline). (40 Project Member) Backend and Frontend-development with Hibernate and JSF.

[ Java, Hibernate, JSF, LDAP, Jasper, JBoss, Oracle, ]

12.2006 - 08.2007

DK Consulting Kft.

Java developer

Web application development - DK Consulting Kft.

• Preparing new web application for T-Mobile Rt. (40 Project Member) Backend and Frontend-development with Hibernate and Struts.

[ Java, Hibernate, Struts, Jasper, Tomcat, Oracle, ]

10.2006 - 12.2006

DK Consulting Kft.

Java developer

Web application development - DK Consulting Kft.

• Preparing new mini CMDB web application for AUDI. (5 Project Member) Backend and Frontend-development with Hibernate and Struts.

[ Java, Hibernate, Struts, JBoss, MSSQL, ]

07.2006 - 10.2006

DK Consulting Kft.

Java developer

Interface development - DK Consulting Kft.

• Interface development to UPC between HP OpenView SD and Clarify (3 Project Member)

[ Java, SOAP, Axis, JSP, Servlet, Hibernate, MSSQL, ]

05.2006 - 07.2006

DK Consulting Kft.

Java developer

Interface development - DK Consulting Kft.

• Interface development to MOL between HP OpenView SD and Clarify (5 Project Member)

[ Java, SOAP, Axis, JSP, Servlet, Hibernate, MSSQL, ]

02.2006 - 05.2006

DK Consulting Kft.

Java developer

Interface development - DK Consulting Kft.

• Interface development to MVH between HP OpenView SD and Clarify (6 Project Member )

[ Java, SOAP, Axis, JSP, Servlet, Oracle, PlSql, Tomcat, ]

07.2005 - 02.2006

DK Consulting Kft.

Java developer

Interface development - DK Consulting Kft.

• Interface development to T-Mobile between HP OpenView SD and Clarify with Webservice.( 5 Project Member).

[ Java, SOAP, Axis, JSP, Servlet, Oracle, PlSql, Tomcat, ]

03.2005 - 07.2005

Continental Temic

SMT programmer

SW development for industry machines - Continental Temic

• Preparation of automotive ABS circuit boards mounting programs for Siemens maichines

[ Siemens, ]

04.2003 - 03.2005

Flextronics Kft.

SMT programmer

SW development for industry machines - Flextronics Kft.

• Preparation of circuit boards mounting programs for Philips and Siemens maichines for mobile phones Siemens and Microcells

[ Philips, Siemens, Pascal, ]