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Robert B.

Lead Developer & Consultant

Friedrichsdorf, Germany

Experience

Apr 2023 - Jun 2023
3 months

Lead Developer & Consultant

BIOCOM AG

  • Successfully upgraded a Rails 4 legacy application to Rails 7, including deployment setup via Capistrano, NGINX config and more.
  • Delivered a custom admin dashboard including ChartJS reports and PDF generator, CSV batch importer, via Administrate.
  • Implemented many new features for reporting, import, data management, and smart GDPR compliance.
  • Redesigned the core components.
  • Role in project: Solo developer full-stack Rails / JavaScript.
  • Technologies used: Rails 4-7, JavaScript, esbuild, ChartJS, Git, Capistrano, Capybara, RSpec, Vue (pete), React, and more.
  • This was a side project.
Aug 2022 - Jun 2023
11 months

Senior Developer & Consultant

M2Xpert GmbH / CropConnect

  • Lead role in a SCRUM team developing a cutting-edge application for agriculture with many API connections to geo data and communication data.
  • R&D, employee training, consulting.
  • Mainly worked on the frontend (VueJS, Vuex) building smart components, effective optimization of old components, chaining i18n, authentication (JWT / Azure ID), API and backend components.
  • Created reports and analysis tools in Python, supported backend via Azure, wrote documentation.
  • Technologies used: VueJS, NodeJS, Azure, Python, Git, Machine Learning, Azure Communication API.
Feb 2022 - Jul 2022
6 months

Owner & Lead Developer

Covid Test App

  • Developed a web application to manage and automatically generate COVID test certificates for test centers.
  • This was a side project.
  • Technologies used: Ruby on Rails, Vue, Vuex, Webpack, Heroku, Docker, PostgreSQL, Gotenberg.
Aug 2021 - Dec 2021
5 months

Full-Stack Software Developer JavaScript

Join AG

  • Worked in a SCRUM team developing a white-label product for the entire back office for rescue services and similar organizations.
  • Optimized existing AngularJS components and developed new ones.
  • Technologies used: JavaScript, AngularJS, Docker, Webpack, Git, and more.
Mar 2021 - Jul 2021
5 months

Lead Software Developer & Consultant

RoadshowGroup

  • Took over maintenance and feature updates for custom software based on Rails+Vue for route planning, inventory/warehouse management, and more, including server maintenance.
  • Technologies used: Ruby on Rails, Node.js, Vue, Webpack, NPM, Yarn, Sass, Git, Heroku, PostgreSQL, Dokku, Docker.
Mar 2021 - Jun 2021
4 months

Lead Software Developer & Consultant

Bridlx GmbH

  • Planned and built a full SPA-based, Rails-backed platform to connect stylists and brides, including KYC, ranking system, MangoPay integration, and more.
  • Technologies used: Vue, Vuetify, MangoPay, Ruby on Rails, PostgreSQL, Node.js, Webpack, Sass, Git, S3, Heroku.
Jan 2021 - May 2021
5 months

Owner & Lead Developer

Kentauro Digital Logiscs (side project)

  • Developed a web application as a backend for automatic buying, selling, and shipping of digital items via known eCommerce platforms, including automated support messages and invoice management, invoice export to Debitoor.
  • Technologies used: Ruby on Rails, Node.js, Vue, Webpack, Sass, Git, Heroku.
Jan 2021 - Mar 2021
3 months

Full-Stack Web Developer (RoR/JS)

Papierkram GmbH

Jul 2020 - Dec 2020
6 months
Germany

Full-Stack Web Developer (RoR/JS)

Trendence Instut GmbH

  • Bug fixing and planning new features as part of a team of freelancers.
  • Set up a Tableau environment to provide analysis data, automate and make static processes dynamic.
  • Technologies used: Ruby on Rails, Node.js, ChartJS, NPM, Yarn, PostgreSQL, Webpack, Sass, Git, AWS, Heroku.
Jul 2020 - Jul 2020
1 month
Germany

Lead Software Developer & Consultant

Stellay – Immobilienplattform

  • Planned and developed a full MVP of a website to manage and rent properties, support various file formats for presentation, modular integration of Vue.js containers.
  • Technologies used: Ruby on Rails, Node.js, Vue, PostgreSQL, Vuex, Webpack, Sass, Git, AWS, Heroku.
Apr 2020 - Jun 2020
3 months
Germany

Lead Software Developer & Consultant

Liebscher und Bracht GmbH

  • Planned and developed a system to source and track complex user data based on multiple information sources, migrated the domain with SEO in mind.
  • Delivered analytical dashboards via ChartJS.
  • Technologies used: Ruby on Rails, JS, Google Analytics, ChartJS, Google Tag Manager, uScreen, HTML5 video, and more.
Jan 2020 - Jun 2020
6 months
Germany

Lead Software Developer & Consultant

Non-public project

  • Planned and developed the ecosystem of a real-time video game platform on server and client sides using modern technologies.
  • Technologies used: Node.js, Vue, Vuex, RXDB (CouchDB / PouchDB), ExpressJS, fibers, Sass, Git, and more.
Aug 2019 - Dec 2019
5 months
Rengsdorf, Germany

Senior Ruby on Rails Developer & Consultant

Berge und Meer GmbH

  • Planned and developed various solutions and software parts for a TUI subsidiary, collaborated with Deutsche Bahn and Aldi to realize a new project.
  • Technologies used: Ruby on Rails, PHP, JS, Symfony, Angular, AWS, Git, PostgreSQL, and DB APIs.
Jun 2019 - Jul 2019
2 months
Friedrichsdorf, Germany

Lead Developer & Consultant

SOKO Büro- und Gebäudeservice

  • Planned, designed and built a company website including SEO audit and optimization, Google My Business integration, connection to employee service portal.
  • Technologies used: Ruby on Rails, PHP, JS, WordPress, Docker, Git.
Apr 2019 - May 2019
2 months
Frankfurt, Germany

Lead Developer & Consultant

Fa. Aqua-Kristall

  • Planned, designed and built a company website including SEO audit and optimization, Google My Business integration.
  • Technologies used: PHP, JS, WordPress, Docker, Git.
Jan 2019 - Mar 2019
3 months
Frankfurt, Germany

Lead Developer & Consultant

Die Saubermänner

  • Planned, designed and built a company website including SEO audit and optimization, Google My Business integration.
  • Technologies used: PHP, JS, WordPress, Docker, Git.
Sep 2018 - Dec 2018
4 months
Hamburg, Germany

Senior Ruby on Rails Developer & Consultant

Xing SE

  • Planned and implemented new features for the start page.
  • Coordinated with teams in Germany and Barcelona.
  • Ran architecture workshops for staff in Barcelona.
  • Technologies used: Ruby on Rails, Docker, Git.
Apr 2018 - Aug 2018
5 months
Oberursel, Germany

Full Stack Software Developer

Thomas Cook Group

  • Worked in SCRUM sprints to implement features for flights and travel.
  • Technologies used: PHP, JS, AngularJS.
Feb 2018 - Apr 2018
3 months
Oberursel, Germany

Lead Software Developer

iCast Media GmbH

  • Redesigned the Gardanio online shop, implemented new convenience features.
  • Project: Redesign Gardanio online shop.
  • Technologies used: Shopware, PHP, LESS.
Feb 2018 - Apr 2018
3 months
Oberursel, Germany

Lead Software Developer

iCast Media GmbH

  • Built a system to onboard credit card customers.
  • Project: Onboarding process for credit cards.
  • Technologies used: WordPress, PHP, OX2 credit card API.
Feb 2018 - Mar 2018
2 months
Frankfurt am Main, Germany

Developer

Bibitees

  • Planned, designed, and built an online shop for clothing, with interactive t-shirt and other item designing.
  • Project: Shop with t-shirt designer function.
  • Technologies used: Ruby on Rails, JS, SCSS, AngularJS, Braintree, JS Canvas.
Aug 2017 - Feb 2018
7 months
Frankfurt, Germany

Full-Stack Ruby on Rails Developer

United Signals GmbH

  • Maintained existing and added new features for a white-label onboarding system for asset managers and banks.
  • Project: Onboarding system.
  • Technologies used: Ruby on Rails, AWS, JS, SCSS, ReactJS, various APIs.
Aug 2017 - Feb 2018
7 months
Frankfurt, Germany

Full-Stack Ruby on Rails Developer

United Signals GmbH

  • Involved in planning and building a large-scale system for trading various securities, stocks, etc. for asset managers.
  • Project: Trading system for asset managers.
  • Technologies used: Ruby on Rails, ReactJS, AWS, various APIs.
Jan 2017 - Jul 2018
1 year 7 months
Darmstadt, Germany

Full Stack Software Developer

Pickware GmbH / Viison GmbH

  • Planned and implemented a plugin for automatic matching of order and transaction data using the Figo API.
  • Project: Transaction matching.
  • Technologies used: PHP, ExtJS.
Feb 2016 - Feb 2017
1 year 1 month
Frankfurt, Germany

CTO | Full Stack Ruby on Rails Developer

Freiskript (Startup / side project)

  • Acted as CTO during founding of a successful, mostly automated startup that lets students print scripts for free.
  • Planned, designed and built the web application, with features for verifying student status, upload and processing functions for student-provided scripts, automated bulk orders to connected printers, extensive admin functions.
  • Technologies used: Ruby on Rails, PostgreSQL, JS, SCSS, AngularJS, Prawn gem, various other gems.
Dec 2015 - Feb 2016
3 months
Frankfurt, Germany

Software Developer

Foundershub

  • Built a portal for founders.
  • Event calendar, Meetup API integration, Q&A page.
  • Technologies used: Symfony, jQuery, Bootstrap.
Nov 2015 - Dec 2015
2 months
Frankfurt, Germany

Developer

Frankfurter Instut für Immobilienwirtschaft

  • Planned and created a CMS-based company website.
  • Google Maps API integration.
  • Technologies used: ModX, jQuery.
Sep 2015 - Dec 2016
1 year 4 months
Offenbach, Germany

Full Stack Web Developer

S2S GmbH (Web Agentur) / FastBill GmbH

  • Built the banking module of the FastBill SaaS.
  • Figo API integration.
  • Project: FastBill - Banking.
  • Technologies used: PHP, jQuery, React.
Aug 2015 - Oct 2015
3 months
Frankfurt, Germany

Software Developer

Startup Weekend Rhein-Main

  • Built the landing page and blog for the FinTech branch of the Startup Weekend events.
  • Technologies used: Symfony, Contentful, jQuery.
Aug 2014 - Aug 2015
1 year 1 month

Full Stack Ruby on Rails Developer

Drooms (Data Room Services GmbH)

Languages

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IT Specialist in Application Development · Germany

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