Employment History
Head of Development at romeis Information Engineering
March 2023 – now in Gelnhausen
Technical leadership of a team of 12 software developers. Planning, architecture and execution of software projects for medium-sized companies and corporations.
Strategic positioning and further development of the company in the field of digitalization and industry 4.0.
Implementation of a standard architecture, unified procedures and accompanying software libraries.
Kotlin, Spring, React, TypeScript, REST, OAuth, Docker, Kubernetes, AWS, Azure
Lead Developer at rescueTABLET
November 2019 – now in Hanau
Real-time mobile mission support for fire brigades and emergency services. Concept, architecture and implementation of features in close collaboration with stakeholders and customers.
High-performance, offline-capable progressive web app for Android, iOS and desktop.
Open interface and highly available cloud-native software architecture with fully automated continuous delivery.
Node.js, React, TypeScript, REST, Microservices, AWS, cloud-native, Firebase
Principal Software Engineer at Qualifyze
July 2021 – February 2023 in Frankfurt
Leading an agile team of five developers in a fast-growing start-up. Concept, architecture and implementation of features in close collaboration with stakeholders and customers.
Establishment of a microservice-based cloud-native software architecture and fully automated continuous delivery.
Node.js, React, TypeScript, REST, Microservices, AWS, serverless, OAuth
Lead Software Engineer at Nortal AG
October 2018 – June 2021 in Hanau
Senior architect and lead developer in a cross-functional group of teams with approx. 60 people involved in the development of an administrative software for the Berlin administration.
Founding of the Rhein-Main branch and building a professional and effective team.
Kotlin, Spring, TypeScript, React, GraphQL, Docker, Kubernetes, Microservices, Node.js, Electron
Lead Software Engineer at ChemSquare
June 2018 – August 2018 in Frankfurt
Lead developer in a start-up developing a B2B marketplace for the sourcing of chemical ingredients.
Node.js, GraphQL, Gatsby, React, AWS, serverless, Algolia
Senior Software Consultant at PENTASYS
October 2017 – May 2018 in Frankfurt
Senior Front-End Developer for the booking and fulfillment platform of the biggest travel technology provider in Europe with more than 200k active users. Development of the internal central Angular framework for more than 100 developers.
Angular, TypeScript, Bootstrap
Senior Software Consultant at bd4travel
December 2014 – October 2017 in Frankfurt
Intelligent personalization for travel. Award winning start-up providing travel websites around the world with user behavior analytics, personalized recommenders, sorting algorithms and prediction tools.
Member of an agile development team with shared responsibilities for all aspects of product development: feature engineering, architecture, databases, backend and frontend development, machine learning, QA, devops, scaling and maintenance.
Java, JavaScript, node.js, ElasticSearch, Hadoop, HBase, Spark, RabbitMQ, MongoDB, AngularJS, Swagger, Docker
Head of Development at yocondo
December 2013 – November 2014 in Düsseldorf
Founding member of a start-up that created a personalized shopping assistant.
Architect, software engineer, leader of a team of two developers and interns, Scrum master.
Node.js, CoffeeScript, RabbitMQ, ElasticSearch, WebSockets, MongoDB, Angular, Java, Spring, Vagrant, Puppet, AppFog, Heroku, AWS, Azure
Senior Consultant at OPITZ Consulting
June 2011 – November 2013 in Bad Homburg
Consultant and software engineer for the central operations software of TNT Innight GmbH based on Eclipse RCP with a Spring backend.
Development of the operational software for Kombiverkehr (logistics).
Member of the Competence Center Agile Development: replicator for agile principles, organization of agile retreats und coding dojos.
Spring, Oracle Database, Eclipse RCP, OSGi, Activiti, BPMN
Senior Software Engineer at Schütze Consulting
July 2009 – May 2011 in Berlin
Design, architecture and development of a administrative software for the Berlin administration based on JavaEE. Approx. 800 active users, scope approx. 8000 person days.
Consulting for the IT service center of Berlin.
JavaEE, Oracle Database, Oracle Application Server, JBoss, Spring
Senior Software Engineer at ]init[ AG
October 2007 – June 2009 in Berlin
Concept and development of a SOA platform for G2C and G2G communications in Abu Dhabi. Single sign-on and identity management.
Requirement analysis and technical project management for a social network and a classifieds portal for the German state department.
Technical consulting for the development of XMeld, the standardized XML format for the communication between German registry offices.
BEA WebLogic, BEA AquaLogic, BEA Portal, Spring, Beehive, JBoss
Senior Software Engineer at Schütze Consulting
January 2004 – October 2007 in Berlin
Development of JavaEE-based web applications for the Berlin administration.
Responsible for build and release management, continuous integration and QA.
JavaEE, Oracle Database, Oracle Application Server, JBoss, Spring