Michael Wetzl
Experience
TUI AG / Robinson
- Developed an Internet Booking Engine (IBE) (Saber and Juniper) and other microservices
- Backend development with PHP and Symfony, endpoint and interface implementation
- Unit and integration tests
Init AG / ITZBund
- New development of an administrative application
- Backend development, system setup and security audit
- Setup of the CI/CD pipeline
- Infrastructure management with Podman, Docker and Docker Compose
igefa E-Business GmbH & Co. KG
- Consulting and development of an API stack
- Setup of an API architecture with Docker and Docker Compose
- Development of a CI/CD pipeline
- Implementation of event sourcing logic
FLOYT Mobility GmbH (ProSiebenSat.1 Media SE)
- Migration and backend redevelopment
- Upgraded PHP from 5.4 to 8.1 and Symfony from 4 to 6
- Migrated MySQL from 5.5 to 5.7
- Setup of a Docker stack with Redis and RabbitMQ
- Introduced logging mechanisms with Graylog, Kibana and Logstash
- Backend redevelopment with EasyAdmin 4
Chefkoch GmbH (Gruner + Jahr)
- Backend development and bug fixing for the platform
- Integration of Kubernetes for scalable services
ENBW AG
- Backend development for Powercloud
About You GmbH
- Full-stack development for the web store with Angular 10 and Node.js
- Setup of GitLab CI/CD pipelines
GvL – Gesellschaft zur Verwertung von Leistungsschutzrechten
- Development of an admin platform
- Backend architecture design and implementation with Symfony 3.4
- Implementation of search functions with ElasticSearch
Architrave GmbH
- AI-powered document management
- Backend development, API development, migration, and legacy bug fixing
Neofonie GmbH
- Development of a configuration and deployment tool with Symfony 4
- Backend development of REST APIs and shop system
RemindMe GmbH
- Developed a reminder system with Symfony 3.4 and Sonata Admin
- Backend development for the RemindMe platform
Axel Springer SE
- Reporting and logging backend for the iKiosk Reporting App
- Backend development with Symfony 2/3 and PHP 7.1
- Integrated Graylog
Urbach Optic AG
- Order processing and barcode handling
- Full-stack development with Symfony 4.2 and Angular 5
- Developed a shipping and label printing system
Daimler AG
- Developed an internal RESTful API for Ebird (intranet)
- Backend development with Symfony 3 and Angular 5
Pantaflix AG
- Accounting and finance backend development with Symfony 3 and Silex
- Implementation with MariaDB, Redis, and PHPUnit
Air Berlin PLC
- Migration to the Sabre API using Zend2 and Apigility
- Backend development and migration of legacy APIs
Air Berlin PLC
- Relaunch of the website by building a REST API for third-party integration
- Backend development with Zend2 and Apigility
ProSiebenSat.1 Media AG
- Relaunch of the MyVideo.de video platform
- Backend development with Symfony 2
- Development of a new video search feature
- Setup of a deployment pipeline with Jenkins
Verlagsgruppe Georg von Holtzbrinck
- System analysis and software architecture for MyPhotoBook
- Backend development, migration, and shutdown of the old platform
Flyamo GmbH
- Development of a PHP framework for sending SMS
- Full-stack development with PHP 5, ElasticSearch, and RabbitMQ
Worldliner GmbH & Co. KG
- Web projects in cooperation with Exozet interact GmbH and TVNEXT Solutions
- Full-stack development with PHP, Symfony, Zend and Doctrine
- Team leadership and coordination of external developers
- Integration of CMS and e-commerce platforms
Netskill AG Berlin
- Frontend development for Competence-Site.de with HTML, CSS, JavaScript and PHP
- Customer support for Intershop AG, Deutsche Bank Research and KfW
- Implemented a cooperation with the Fraunhofer Institute for CeBIT 2006
infolive! – The News Portal
- Managed SEO, marketing and branding activities
- Developed and implemented SEO strategies
- Optimized online marketing
Costa Rica (stay abroad)
- Web development for property management and sales with PHP, HTML, CSS and JavaScript
- Language teaching and intercultural training
GwBmbH – Housing Management Consulting Company Kiel
- Developed Windows desktop applications for the housing industry
- Architecture, network administration and system analysis
- Developed CRM and document management systems
- Set up an accounting program and online claims processing
Domcura GmbH Kiel
- Clerical work and IT development for the insurance sector
- Specialization in residential property management and building insurance
- Process optimization in the IT department
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (16.5 years), Media and Entertainment (12 years), Real Estate (11 years), Automotive (5 years), Insurance (5 years), and Education (4 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (35 years), Product Development (11 years), Accounting (9 years), Customer Service (9 years), Operations (5 years), and Project Management (4 years).
Skills
Programming Languages & Frameworks
- Php (4 - 8.3)
- Symfony (2 - 7)
- Zend Framework (1, 2, 3)
- Apigility
- Silex
- Agavi / Mojavi
- Javascript / Typescript
- Angular (2 - 9)
- Rxjs (Pipe Handling)
- Atomic Components
- Jquery, Mootools
- Python (3) (Basic Knowledge)
- Node.js
- Template Engines: Twig, Smarty
Container & Cloud
- Virtualization: Docker / Docker Compose / Swarm
- Podman
- Virtualbox, Vagrant
- Cloud: Aws
Architecture & Methods
- Mvc
- Hexagonal Architecture
- Event Sourcing
- Restful Api Design
- Ci/cd Pipelines (Github, Gitlab, Bitbucket, Jenkins)
- Scrum & Agile Development
Databases & Orm
- Sql: Mysql / Mariadb
- Postgresql
- Informix, Dbase, Sybase
- Database Abstraction: Propel, Doctrine Orm
- Nosql: Redis, Memcache
- Elasticsearch, Solr
- Riak
Devops & Infrastructure
- Build & Deployment: Makefile
- Git (Github, Gitlab, Bitbucket, Svn)
- Queues: Rabbitmq, Kafka
- Logging & Monitoring: Graylog, Kibana, Logstash
- Grafana, Prometheus
- Identity & Access Management: Keycloak
- Powercloud
Testing & Quality Assurance
- Phpunit
- Unit Testing & Tdd
- Code Review & Refactoring
Web Servers & Networking
- Web Servers: Nginx, Apache, Lighttpd
- Networking: Novell (From Version 3.12)
- Windows Nt (Up To Nt 5.2)
Tools & Platforms
- Ides & Editors: Phpstorm (Current)
- Eclipse, Netbeans, Ultraedit
- Project Management & Automation: Jira
- Jenkins
- Admin Panels: Sonata Admin, Easyadmin
Legacy Technologies & Migrations
- Php 5.x → Php 7/8 Migration
- Symfony 2/3 → Symfony 4/5/6/7 Migration
- Mysql 5.5 → Mysql 5.7 Migration
- Legacy Support & Api Modernization
Industries & Areas Of Work
- Public Administration & Government: Init Ag For Itzbund – Development Of An Administrative Application For The Public Sector
- Gvl (Society For The Administration Of Neighboring Rights) – Developed Backend And Api Solutions For Collecting Societies
- E-commerce & Retail: About You Gmbh – Developed A Web Store With Angular And Node.js
- Igefa Berlin – Api Development And Dev Stack For The Retail Sector
- Pkw1 / Auto1 Gmbh – Used Car Trading Platform
- Media & Publishing: Axel Springer Se (Ikiosk) – Reporting Backend For Digital Media
- Prosiebensat1 Media Ag / Magic Internet (Myvideo.de) – Developed A Video Platform And Ad Integration
- Georg Von Holtzbrinck Publishing Group (Myhammer Ag, Myphotobook) – Platform Development For Services And E-commerce
- Tourism & Mobility: Silvertours (Pro7 Ag) – Migration And Redevelopment Of Backend Systems For Travel Bookings
- Daimler Ag (Ebird – Intranet) – Developed Internal Apis For Vehicle Data
- Air Berlin Plc – Developed E-commerce And Booking Systems, Sabre Migration
- Finance & Insurance: Domcura Gmbh – Backend Development For Insurance Products And Claims Management
- Gwbmbh – Gesellschaft Für Wohnwirtschaftliche Beratung Kiel – Developed Financial Accounting Systems For Brokers
- Pantaflix Ag – Backend For Accounting And Payment Processing
- Energy & Utilities: Enbw Ag – Backend Development With Symfony And Aws For Energy Management
- Proptech & Ai: Architrave Gmbh – Developed An Ai-driven Document Classification System
- Neofonie Gmbh – Developed A Configuration And Deployment Tool For Complex It Infrastructures
- Startups & Platforms: Flyamo Gmbh – Developed A Custom Php Framework For A Travel Portal
- Remindme Gmbh – Developed A Reminder Platform With Symfony
Languages
Education
Vocational School & Evening Gymnasium at Ravensberg in Kiel
Kiel, Germany
Polytechnic Secondary School Meissen
Meissen, Germany
Profile
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