a Senior Software Frontend Engineer
a tech lead
a problem solver
Senior Software Frontend Engineer with 10+ years of experience building software products in corporate or agency settings. I care about maintainable and well-tested code, mentoring and creating awesome products with like-minded people.
„René is a superbly gifted, problem-solving engineer in the realms of web and mobile applications, and (code) quality assurance. He is a delight to work with and I recommend him most highly.“Matthias C. Schroeder (UX Lead @ Forward Networks)
„Before you were there, no one in VBU knew how to take an app productively. You have an immense footprint in that you identify with the cause like an internal and yet manage to bring your external expertise to all levels - either by coaching colleagues or giving advice to me. Thanks for that!“Roman Scheffler (Head of Platform @ BKK VBU)
Responsible for Miro’s success on all platforms beyond the desktop: tablets, smartphones, large interactive displays.
Realization of mobile and web applications in the field of eHealth and the digitization of the health care system with a focus on "Joy of Use".
Child care in lockdown due to daycare closures.
Realization of applications in the field of eHealth and the digitization of the health care system with a focus on "Joy of Use".
Expanding the key skills bouncing, calming, encouraging, doing laundry and getting along with little sleep.
Maintained an app for a large multinational corporation of nonalcoholic beverage concentrates which was used by a large group of sales representatives in Europe.
Working in an English speaking environment I supported with test-driven implementation of a completely new feature for multi-provider registration.
Working in an English speaking environment I supported with test-driven implementation of new product functions for the ImmobilienScout24 App.
Maintaining an app for a leading German multinational automotive company and applied new features in weekly sprints, performed code reviews.
Lead (5+ engineers) and manager of various projects (team size 5 - 15) for well-known, multinational and middle-class clients.
We implemented rich internet applications (RIA) with Flash, Flex and web applications for various national clients.
I worked as idea engineer for the Zephram GbR, moderated workshops and developed product ideas.
Implemented rich internet applications (RIA) with Flash, Flex and Silverlight and web applications for various larger clients.
Gitlab CI/CD, Pair programming, Dependency Injection, Clean Code, MVVM, MVP, MVC, Broadcasting Pattern, VIPER, Unit Testing, Integration Testing, Software Development Life Cycle / SDLC
Rapid Application Development, Refinement, Scrum, Project lead, 1one1s, Coaching / Mentoring, Agile Development, Jira, Confluence
AWS CDK, Serverless, MySQL, PostgreSQL, Kubernetes, Prometheus, Helm, Keycloak, Python 3.x, Vertx, Kotlin, RabbitMQ, REST
Professional working proficiency
08/2005 - 05/2011
Thesis: Acceleration of computerized decision making processes with pairwise comparisons based on sorting algorithms. (grade 1.8) Open