Senior Software Developer (Freelancer)
Scayle GmbH
(Konsumgüter und Handel, 250-500 Mitarbeiter)
Schlagwörter
Symfony
PHP
Test Automation
Restful Apis
Software Quality
Clean Code
Cqrs
Software Design Patterns
Github
Laravel
Skills
Languages and Tools
PHP 5-8, Symfony 1-7, Laravel, Doctrine, Propel, Twig, PHPUnit, Behat, PHPStan, Rector, Deptrac, MySQL, PostgreSQL, MOngoDB, DynamoDB, GraphQL, RabbitMQ, Redis, Git, Jenkins Pipelines, Github Actions, Docker, k8s, AWS
Principles
RESTful APIs, Test-driven Development, Automated Testing, Clean Code, Code Quality, SOLID, DDD, CQRS, Design Patterns
Legacy
Legacy migrations, PHP & Symfony upgrades, framework migrations, automated testing and refactoring
Workshops
RESTful APIs, Unit & Integration Testing, Test-driven Development, Symfony and its Components
PHP 5-8, Symfony 1-7, Laravel, Doctrine, Propel, Twig, PHPUnit, Behat, PHPStan, Rector, Deptrac, MySQL, PostgreSQL, MOngoDB, DynamoDB, GraphQL, RabbitMQ, Redis, Git, Jenkins Pipelines, Github Actions, Docker, k8s, AWS
Principles
RESTful APIs, Test-driven Development, Automated Testing, Clean Code, Code Quality, SOLID, DDD, CQRS, Design Patterns
Legacy
Legacy migrations, PHP & Symfony upgrades, framework migrations, automated testing and refactoring
Workshops
RESTful APIs, Unit & Integration Testing, Test-driven Development, Symfony and its Components
Projekthistorie
01/2024
-
bis jetzt
07/2023
-
05/2024
Senior Software Developer (Freelancer)
The Quality Group GmbH, Hamburg, Germany
(Konsumgüter und Handel, 250-500 Mitarbeiter)
Built an address validation and correction service (Bref, PHP 8.2 and Symfony 6) used in a microservice event- driven architecture running on AWS. Refactored several PHP projects towards a uniform way of using Symfony and Bref and other components and tools, like Symfony Serializer, Doctrine, PHPUnit, etc.
07/2023
-
07/2023
Trainer (Freelancer)
Digital Building Industries AG, Böblingen, German
Provided a 1-day in-house Training: “Symfony’s Dependency Injection Component & The Service Container”.
02/2023
-
06/2023
Senior Software Developer (Freelancer)
movingimage EVP GmbH, Berlin, Germany
(Internet und Informationstechnologie, 50-250 Mitarbeiter)
Helped with hands-on programming to ensure that several tight scheduled feature implementations in a Symfony 5 application using a MongoDB data storage hosted on Azure can be delivered on time. Upgraded a legacy Symfony 3 API application to Symfony 6.
05/2023
-
05/2023
Trainer (Freelancer)
New Elements GmbH, Nürnberg, Germany
Provided a 2-days in-house Training “Symfony für Fortgeschrittene” (including the following topics: Dependency Injection & Symfony’s Service Container, Event Dispatcher & Symfony’s Event Flow, Console Commands, Symfony Security, Doctrine ORM) for the client’s customer public plan GmbH in Düsseldorf.
01/2022
-
01/2023
Lead Software Developer
eos.uptrade GmbH
(50-250 Mitarbeiter)
Leading a team of PHP/Symfony developers. Giving technical guidance by doing pair-programming, peer reviews and personal feedback meetings. Being responsible for defining and implementing measures to increase test coverage and code quality. Having the role of a technical domain expert for the SSO (OAuth2, OIDC, PKCE) and payment domains (integration of Logpay, PayUnity, MobilePay, ApplePay, GooglePay, etc.). Being the hiring manager and on-boarding new developers for the German and Portuguese offices.
01/2021
-
12/2021
PHP Team Lead
Siemens Mobility Portugal
Led a Team of PHP/Symfony developers migrating a Symfony 1 legacy applications towards a modern architecture based on Symfony 5. Hired and onboarded new developers. Provided workshops related to PHP, Symfony, Unit-/Integration-Testing and API development. Shared knowledge by pair-programming sessions and peer reviews. Organised the Symfony User Group Aveiro, Portugal.
06/2018
-
12/2020
Senior Software Developer & Trainer
SensioLabs Deutschland GmbH
(Sonstiges, 10-50 Mitarbeiter)
Helped clients with upgrading Symfony applications and migrating legacy applications towards a modern architecture based on Symfony. Provided Symfony trainings, code audits and individual workshops. Organised the Symfony User Group Hamburg. Contributed to open source projects, like Symfony, Symfony-Docs and Deptrac.
01/2018
-
03/2018
Senior Software Developer (Freelancer)
miovent AG
(Sonstiges, 50-250 Mitarbeiter)
Solved doctrine performance issues in a Symfony 3 application.
07/2017
-
12/2017
Senior Software Developer (Freelancer)
Thiocyn GmbH
(Sonstiges, 10-50 Mitarbeiter)
Built deployment processes for a Shopware based online shop application and created individual Shopware plugins.
07/2015
-
06/2017
Senior Software Developer (Freelancer)
Lykon GmbH
(Sonstiges, 50-250 Mitarbeiter)
Created a RESTful API for a mobile and a web shop application using Symfony, Doctrine and RabbitMQ.
09/2009
-
04/2015
Software Developer
University of Applied Sciences, Osnabrück, Germany
Developed web, desktop and mobile applications, set up a distributed monitoring system based on Nagios and developed IT concepts.
Zertifikate
Certified Symfony 6 Developer
Symfony SAS
2022
Twig Certified Designer
Symfony SAS
2021
Certified Symfony 5 Developer
Symfony SAS
2020
Certified Symfony 4 Developer
Symfony SAS
2019
Reisebereitschaft
Weltweit verfügbar
- verfügbar für Remote-Tätigkeiten
- max. 2 Tage/Woche für regelmäßige Vorort-Einsätze
