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Michael W.

Berlin, Germany

Experience

Jan 2025 - Present
9 months
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TUI AG / Robinson

  • Project: development of an Internet Booking Engine IBE (Saber and Juniper) and other microservices
  • Technologies: Symfony 7, PHP 8.3, Docker, ddev, CI/CD pipeline, MySQL, Redis, PHPUnit
  • Backend development with PHP and Symfony, endpoint and interface implementation
  • Unit and integration tests
Jan 2023 - Dec 2025
3 years
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Init AG / ITZBund

  • Project: new development of an administration application
  • Technologies: Symfony 7, PHP 8.3, EasyAdmin, Makefile, Docker, Docker Compose, CI/CD pipeline, MySQL, Redis, RabbitMQ, Grafana
  • Backend development, system setup, and security review
  • Setup of the CI/CD pipeline
  • Infrastructure management with Podman, Docker, and Docker Compose
Jan 2023 - Dec 2024
2 years
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igefa E-Business GmbH & Co. KG

  • Project: consulting and developing an API stack
  • Technologies: Symfony 6, PHP 8, Docker, Docker Compose, Makefile, Redis, MySQL, Keycloak, event sourcing, hexagonal architecture, CI/CD pipelines (GitHub, Bitbucket)
  • Building an API architecture and stack with Docker and Docker Compose
  • Development of a CI/CD pipeline
  • Implementation of event sourcing logic
Jan 2021 - Dec 2023
3 years
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FLOYT Mobility GmbH (ProSiebenSat.1 Media SE)

  • Project: migration and new backend development
  • Technologies: PHP 5.4→8.1, Symfony 4→6, MySQL 5.5→5.7, Docker, Redis, RabbitMQ, Graylog, EasyAdmin 4, Kibana
  • Migration of legacy code to modern Symfony versions
  • New backend development with EasyAdmin 4 and setup of the Docker stack
  • Introduction of logging mechanisms with Kibana and Logstash
Jan 2021 - Dec 2021
1 year
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Chefkoch GmbH (Gruner + Jahr)

  • Project: backend development for the platform
  • Technologies: PHP 7.3, Symfony 5, Kubernetes, Docker
  • Backend development and bug fixing
  • Kubernetes integration for scalable services
Jan 2021 - Dec 2021
1 year
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ENBW AG

  • Project: Backend development for Powercloud
  • Technologies: PHP 7.2, Symfony 5, AWS
  • Backend development for Powercloud
Jan 2020 - Dec 2020
1 year
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About You GmbH

  • Project: Fullstack development for the webstore
  • Technologies: Angular 10, Node.js, GitLab CI/CD
  • Fullstack development
  • Setup of GitLab pipelines
Jan 2020 - Dec 2020
1 year
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GvL – Gesellschaft zur Verwertung von Leistungsschutzrechten

  • Project: Development of a management platform
  • Technologies: PHP 7.1, Symfony 3.4, Docker, Redis, PHPUnit, Angular 7 & 9, Node.js, ElasticSearch, Kibana
  • Development and implementation of backend architecture
  • Implementation of search features with ElasticSearch
Jan 2019 - Dec 2019
1 year
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Architrave GmbH

  • Project: AI-driven document management
  • Technologies: Zend2, Symfony 4, Angular 7, Git, Node.js, Docker, AWS, MySQL, ElasticSearch, Kibana
  • Backend development, API development, migration, and legacy bug fixing
Jan 2019 - Dec 2019
1 year
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Neofonie GmbH

  • Project: Development of a configuration and deployment tool
  • Technologies: Symfony 4, MySQL, PHP 7.3, Jenkins, RabbitMQ, Docker Swarm
  • Backend development of REST APIs and a shop system
Jan 2019 - Dec 2019
1 year
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RemindMe GmbH

  • Project: Development of a reminder system
  • Technologies: PHP 7.3, Symfony 3.4, Sonata Admin, MariaDB, Docker, Redis, queue systems
  • Backend development for the RemindMe platform
Jan 2018 - Dec 2019
2 years
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Axel Springer SE – iKiosk Reporting App

  • Project: Reporting and logging backend
  • Technologies: Symfony 2/3, PHP 7.1, Docker, MariaDB, Graylog
  • Backend development and logging integration
Jan 2018 - Dec 2019
2 years
Zürich, Switzerland
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Urbach Optic AG Zürich

  • Project: shipping processing and barcode handling
  • Technologies: PHP 7.2, Symfony 4.2, Angular 5, PHPUnit, Docker, MySQL
  • Fullstack development and building a shipping and label printing system
Jan 2017 - Dec 2018
2 years
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Daimler AG – Ebird (Intranet)

  • Project: development of an internal API
  • Technologies: Symfony 3, PHP 7.1, Angular 5, PostgreSQL, ElasticSearch
  • Backend development and implementation of a RESTful API
Jan 2017 - Dec 2018
2 years
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Pantaflix AG

  • Project: accounting and finance backend
  • Technologies: Symfony 3, Silex, PHP 7.1, MariaDB, Redis, PHPUnit, Docker
  • Backend development for accounting
Jan 2017 - Dec 2017
1 year
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Air Berlin PLC

  • Project: Migration to the Sabre API
  • Technologies: Zend2, Apigility, Docker, Redis, Riak, Graylog
  • Backend development and migration of legacy APIs to Sabre
Jan 2014 - Dec 2016
3 years
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Air Berlin PLC – Relaunch of the website

  • Project: Development of a REST API for third-party integration
  • Technologies: Zend2, Apigility, Redis, Riak, Graylog
  • Backend development and integration of third-party APIs
Jan 2012 - Dec 2014
3 years
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ProSiebenSat.1 Media AG – MyVideo.de

  • Project: Relaunch of the video platform
  • Technologies: Symfony 2, Riak, Redis, Solr, ezPublish, Jenkins
  • Backend development
  • Development of a new video search feature
  • Setup of a deployment pipeline
Jan 2010 - Dec 2011
2 years
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Verlagsgruppe Georg von Holtzbrinck – MyPhotoBook

  • Project: System analysis and software architecture
  • Technologies: PHP 5.3, Memcache, Zend Framework 2
  • Backend development, migration and decommissioning of the old platform
Jan 2009 - Dec 2010
2 years
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Flyamo GmbH

  • Project: Development of a PHP framework
  • Technologies: PHP 5, ElasticSearch, RabbitMQ, Doctrine, jQuery
  • Full-stack development and creation of a custom PHP framework for sending SMS
Jan 2006 - Dec 2009
4 years
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Worldliner GmbH & Co. KG

  • Project: Web projects in cooperation with Exozet interact GmbH and TVNEXT Solutions
  • Technologies: PHP, Symfony, Zend, Doctrine, MySQL, jQuery
  • Full-stack development of web applications for clients such as ATV, Bunch.tv, Whitewall, MTV, MOZ, Berliner Zeitung (Intranet), BVG
  • Team leadership and coordination of external developers
  • Integration of content management systems and e-commerce platforms
Jan 2005 - Dec 2006
2 years
Berlin, Germany
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Netskill AG Berlin

  • Project: Front-end development and client support
  • Technologies: HTML, CSS, JavaScript, PHP
  • Front-end development for the platform Competence-Site.de
  • Client support for Intershop AG, Deutsche Bank Research, Kreditanstalt für Wiederaufbau
  • Implementation of a cooperation with the Fraunhofer Institute for CeBIT 2006
Jan 2004 - Dec 2005
2 years
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infolive! – The News Portal

  • Project: Management of SEO, marketing, and branding activities
  • Technologies: SEO, online marketing, content strategy
  • Development and implementation of SEO strategies
  • Optimization of online marketing for Infolive.de
Jan 2001 - Dec 2004
4 years
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Stay Abroad in Costa Rica

  • Project: Web development for property management and sales
  • Technologies: PHP, HTML, CSS, JavaScript
  • Development of websites for real estate companies
  • Language lessons and intercultural training
Jan 1995 - Dec 2001
7 years
Kiel, Germany
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GwBmbH – Society for Housing Consulting Kiel

  • Project: Development of Windows desktop applications for the housing industry
  • Technologies: PowerBuilder 5.1, Sybase SQL, Novell 3.12, Windows
  • Architecture, network administration, and system analysis
  • Development of CRM systems for insurance brokers
  • Creation of a document management system with a central scanning module
  • Development of an accounting program for brokers
  • Implementation of online claims processing for property insurance
Jan 1991 - Dec 1995
5 years
Kiel, Germany
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Domcura GmbH Kiel

  • Project: Administrative processing and IT development for the insurance sector
  • Technologies: Databases and insurance software
  • Administrative processing in various departments
  • Specialization in residential property management and building insurance
  • Support in the IT department for process optimization

Languages

German
Native
English
Advanced
Spanish
Advanced

Education

Oct 1990 - Jun 1993

Vocational School & Evening High School at Ravensberg Kiel

Kiel, Germany

Oct 1979 - Jun 1989

Polytechnic Secondary School Meissen

Meissen, Germany

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