Florian Rubel - Senior Fullstack Developer

Cologne, Germany

Experience

Aug 2024 - Sep 2024

2 months

Senior Fullstack Developer

Ivii GmbH

Two-month modernization of the management UI for AI-powered cameras
Rewrote a complex React application to Vue 3 with Single File Components
Established the core architecture of the Vue application and configured it with Vite, Pinia, Router, I18n, ESLint, and Prettier
Custom integrated Leaflet for displaying detection zones on images
Assisted with backend extensions and authentication adjustments

May 2024 - Present

1 year 9 months

Lead Fullstack Developer

Own Project

C# .NET 8 MVC backend with generic types and Entity Framework
Microsoft Identity-based authentication and authorization with roles and claims
Features: Data-Shaping, Over-Posting-Protection, Data-Model-Validation
Vue 3 frontend with TypeScript and service-layer abstraction using classes and generic types
Potential migration to .NET Blazor Pages planned

Nov 2023 - Jun 2024

8 months

Lead Frontend Developer

bezahl.de by NX-Technologies

Technical lead and architecture modernization from Vue 2 to Vue 3 with TypeScript
Redeveloped using Single File Components and Vuetify.js, templates in Pug
Typed and connected Node.js/Express REST APIs in thematically organized TypeScript modules
API adjustments and extensions

Jul 2023 - Nov 2023

5 months

Senior Frontend Developer

Rohde & Schwarz Cybersecurity

Enhanced the management software and migrated from Vue 2 class-based components to Vue 3 setup pattern with TypeScript
Implemented centralized validation for forms and wizards with localized error messages before submission
Comprehensive testing of all features and bug fixes using Vitest

Dec 2022 - May 2023

6 months

Lead Senior Fullstack Developer

Talkevent GmbH

Modernized the backend (Node.js, Express, MongoDB) to TypeScript with automated interface generation for Mongoose models
Migrated the frontend from Vue 2 to Vue 3 with TypeScript and setup pattern
Developed automated patch scripts for code conversion and dependency updates

Dec 2021 - Nov 2022

1 year

Senior Fullstack Developer

Advellence GmbH for Sana Kliniken AG

Developed an article search interface using Vue 3 (Options API, Composition API), Vue CLI, Vite, Vue-I18n, Vue-Router, Vuex and later Pinia
Integrated GLUU/OpenID authentication
Achieved test coverage for all components, services, views and stores using Jest; researched Vitest
Modeled Azure Data Factory pipelines and dataflows for data transformation
Developed an Azure Logic App to capture up to 500,000 IDs and initiate downloads
Extended an internal price maintenance tool with a Vue 3 frontend and C# Azure Functions backend

Sep 2021 - Jan 2023

1 year 5 months

Lead Fullstack-Developer

Starbase Nexus

Built an open-source community project with C# .NET 5, EF Core, Vue 3 and TypeScript
Implemented a cloud-ready and horizontally scalable backend with database-friendly implementation

Jul 2021 - Feb 2022

8 months

Fullstack Developer

Tivian (formerly Questback)

Developed an admin interface using Vue 3, TypeScript, Tailwind UI and Tailwind CSS
Built a Node.js/Express backend with TypeScript and Swagger documentation
Deployed in AWS Cloud, comprehensive Jest tests with high coverage

Dec 2020 - Nov 2022

2 years

Senior Fullstack-Developer

As Good As Pros

Developed a PWA with Vue 3 and TypeScript for sports events: scheduling, coach assignment, billing, broadcasting, transactional emails, push notifications, social logins
Built a C# .NET 5 backend with EF Core and MySQL 8
Cloud-ready deployment on AWS EC2, SignalR/WebSockets for push notifications

Nov 2019 - Feb 2021

1 year 4 months

Senior Frontend Developer

Tivian (formerly Questback)

Developed a dashboard application including a management tool using Vue 2 (later 3) and Node.js with Express framework

Sep 2019 - Apr 2021

1 year 8 months

Lead Fullstack-Developer

Hyperion Headquarters

C# AspNetCore 3.1 backend with REST API and Swagger, MySQL 8
Vue 2 Options API frontend with SASS (SCSS) and BEM
Features: CDN with file upload, image & video optimization, media gallery, crafting calculator, ship catalog, data comparison tools, JWT auth, SSO with Discord, GitLab, NodeBB
Integration of ImageMagick and FFMPEG
Hosting on a Hetzner root server (Ubuntu 18.04)

Mar 2014 - May 2019

5 years 3 months

Senior Fullstack-Developer

CHRONEXT

Development of an e-commerce shop system and fulfillment tool with PHP (Slim Framework 5), MySQL 5.7 and Algolia/ElasticSearch & MongoDB
Server-side rendering with jQuery
Integration of SEO, tracking tools and payment providers (PayPal, Finetrade, SofortÜberweisung)
Monitoring and admin tools with Symfony 4, Laravel and Vue 2

Jul 2013 - Mar 2014

9 months

Fullstack-Developer

inVentiv Health

Development of TYPO3 websites for the pharma industry, covering medications and treatment methods

Oct 2010 - Jun 2013

2 years 9 months

Junior Fullstack-Developer

FH-Konzept

Implementation of TYPO3 projects for clients like Schwank, JG Group and Sikkens Joinery, using PHP, SCSS, JavaScript and jQuery

Summary

I am a Fullstack Developer with over 14 years of professional experience. Through my career journey and freelancing, I have gained insights into a wide range of industries and companies, as well as their teams and, above all, people.

I was active not only as a front- and backend developer but also gained some leadership experience.