László Simon

Senior Full Stack Developer

Contact info

Educations

  • 1998-2003
  • Széchenyi István University, Győr
  • Major: computer engineering
  • 1993-1998
  • Ganz Ábrahám Secondary School, Zalaegerszeg

Languages

German
English

Skills

Full stack Java / JavaScript software developer with extensive experience in the development and design of new applications and their operation and further development. In-depth knowledge of different frameworks such as JEE, Spring, JPA, Hibernate, Kafka and many more. Extensive experience using many different tools such as Git, Maven, Gradle, splunk, grafana, OpenShift, Redmine, Jira, Jenkins and many more. An open, technology-savvy and very team-oriented person who can easily deal with complexity in different situations. Rust enthusiast: building small webshops with Axum, Domain-Driven Design (DDD) and hexagonal architecture. Frontend: microfrontend architecture using Preact, integrated with Hugo

Work experiences

IBM CIC AG, Gümligen - Full Stack Entwickler/DevOps Engineer

June 2025 -

Worked on various Swiss Federal Tax Administration (SFTA) projects in DIGI Team.

  • Develop modern tax declaration forms for the Swiss Federal Tax Administration (ESTV)
  • Microservice architecture: Java / Spring Boot on the backend
  • Frontend: Angular and micro-frontend technologies
  • CI/CD pipeline management
  • Containerization (Docker)
  • Openshift deployments

Fincons Group AG, Bern - Full Stack Developer

September 2023 - June 2025

Worked on various SBB projects in Ticketing Mobility Services Team.

  • Migration from Angular.js to Angular in Company Registration Service (Angular, DevOps)
  • Support and feature development of the teams micro service based applications
  • Prod deployment and bug analysis
  • Design and implement new functionalities

Swiss HTTP GmbH, Zürich - Full Stack Developer

August 2015 - September 2023

Worked on various customer projects, a long time at SBB. Here is a selection of projects and tasks during this time:

  • Development of a CRM using a headless CMS (Vue.JS, Node.JS, Strapi, Elastic)
  • Various IoT projects (Kotlin, Android, Raspberry, Bluetooth, GATT, Go, Python, React.JS, Docker, Websocket, etc.)
  • Long-standing member of the KoServ team at SBB, responsible for the ticket control app. Android and frontend development involving many different interfaces. Migration from WebSphere to the cloud to OpenShift/Docker. Migrate Message Queue to Kafka Streaming. Oracle DB performance analysis and tuning (Java, Sonar, Nexus, CI/CD, Scrum, Bitbucket, Git, AWS, OpenShift, Docker, Android, Spring, MQ, Kafka, JUnit, Node.js, testing, integration tests, performance tests)
  • Various projects in the field of mobile, AI and web development.

DV Bern AG, Bern - Java Developer

Mai 2011 - Oktober 2015

Employed web software developer in various projects of the company:

  • Online system for Matura exams
  • Commercial register of the Canton of Bern and comparison with the national commercial register
  • Verification of documents for the export of goods from Switzerland

The following technologies were primarily used: Java, GWT, JPA, Hibernate, Luceme, JEE, JBoss, MySQL, Glassfish, EclpiseLink, PrimeFaces, CDI, Scrum.